Open Back vs Closed Back Guitar Cabinets.

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Phillip McKnight

Phillip McKnight

9 жыл бұрын

I explain why they make open back and closed back cabinets and what I use. The new Know Your Gear Facebook page is up check it out! Knowyourgear...

Пікірлер: 237
@Helllllllsing
@Helllllllsing 8 жыл бұрын
Good explaination, but a sound check would be nice.
@nicholasquintero1080
@nicholasquintero1080 5 жыл бұрын
That comment was constructive enough to get me to stop the video right now
@joethompson2910
@joethompson2910 4 жыл бұрын
Hey Phillip.... actually, with an open back cab you get what is called phase cancellation where the front sound wave can intermingle with the back sound wave which actually cancels some of the bass response so a sealed cab will actually have more bass. You were right about transient response however being tighter in a sealed box and looser in a open back. Cheers buddy!
@joethompson2910
@joethompson2910 4 жыл бұрын
How do I know?.... I built custom bass enclosures professionally for 20 years using computer programs and went well beyond mere sealed boxes as in ported or vented as well as 4th order through 8th order bandpass enclosures. The response can be measured with a spectrum analyzer... try it.. you’ll have fun! 😁🤟🏻
@TheShreddDude
@TheShreddDude 6 жыл бұрын
Wow, this video was SUPER educational. I'd love more. I've been playing guitar for 20 years but there's so much more I could learn.
@RoqueHead
@RoqueHead 9 жыл бұрын
I'm seriously getting really into your channel. You answer almost everything I need an answer too and explain why that is so. Thanks dude! Learning loads from you Greetings from Portugal
@Wolf_K
@Wolf_K 3 жыл бұрын
Makes sense. It’s also inline with why I prefer open back for slow heavy music (Drone/Doom and clean) and closed back for fast heavy music (black metal, etc).
@shigrathFX
@shigrathFX 7 жыл бұрын
Just what I was looking for, great and easy explaination. Good job.
@Rog107
@Rog107 8 жыл бұрын
Very enjoyable and informative. I typically use my Mesa Combo sitting on top of my Mesa Ext cab and I get a sound that appeals very much to me.
@unboxedtravels
@unboxedtravels 2 жыл бұрын
Thank you ! I was wondering about that for the longest time and this was the best explanation I found, short, to the point and complete. Thanks Phillip !
@steveforsing13
@steveforsing13 6 жыл бұрын
I learn several new things with every video you upload.
@scottdematteo
@scottdematteo 5 жыл бұрын
Excellent video and the most concise explanation I’ve heard to date. Thanks for posting.
@henrymoss5272
@henrymoss5272 6 жыл бұрын
Great video and explanation. Never knew when I rented a Mesa Boogie cab one time why it came with those jack plugs in the back.. Had I known they were actually important, I would have left them in! The wonder of guitar is that no longer how long I play the thing, there still remain mysteries like this to be revealed. Thanks for the awesome insights about differences between open vs closed back cabs.
@bendari
@bendari 7 жыл бұрын
As always it was nicely outlined and explained simply for easy consumption. Thanks Phil!
@hughcameron
@hughcameron 7 жыл бұрын
Also, with closed back you don't need to worry about your cat getting electrocuted!!!!
@AlejandroFloresmotorsport
@AlejandroFloresmotorsport 7 жыл бұрын
Hugh Cameron 😂😂😂😂
@akeeperofoddknowledge4956
@akeeperofoddknowledge4956 7 жыл бұрын
Hugh Cameron ; Important safety tip!
@brianknickerbocker8518
@brianknickerbocker8518 6 жыл бұрын
Electrocuted with ?
@AngusNB
@AngusNB 6 жыл бұрын
Nothing is going to get electrocuted in a speaker cab but cats do other things in boxes that you may not like. :)
@fatherlandchild2780
@fatherlandchild2780 5 жыл бұрын
Lol brings Back a memory, when i was 9 we found dead Birds from my dads cabinet... Wonder who put them there 🐈
@BrainDeadBeats
@BrainDeadBeats 2 жыл бұрын
Thank you phill you always get to the point and make what you are saying simple to understand without being condescending. Wish I could have visited your store but I’ll tune in Fridays for the live show.
@JTroskaTV
@JTroskaTV 8 жыл бұрын
Thanks. I've been wondering about the science behind open and closed cabinets for the longest time.
@jamesstonehouse3448
@jamesstonehouse3448 8 жыл бұрын
nice explanation! I'm using a valve head into a 2x12 bass cabinet (closed back) for down tuned doom metal. it's a pretty sweet sound. For blues I have an open back 1x12 cab that definitely sounds more open
@MrAMF50
@MrAMF50 8 жыл бұрын
Excellent video on closed vs open cabs. thanks
@csu111
@csu111 2 жыл бұрын
Actually a sealed cabinet (called acoustic suspension) allows the driver to travel more accurately giving a tighter and deeper bass. Because of the resistance (vacuum) it is slightly less dynamic though.
@geraldhenrickson7472
@geraldhenrickson7472 Жыл бұрын
I have read that too. I will go with Phils assessment until i get a closed back for comparison.
@tedeisner822
@tedeisner822 3 жыл бұрын
Sorry man I thought I was already subscribed to your channel. But huge thumbs up man, very simple and comprehensive explanation of what and why.
@VeryNaughtyBoy42
@VeryNaughtyBoy42 2 жыл бұрын
Thank you for this. I have an amp head I love and have been researching cabs. Now I know that for blues and jazz I should look for an open back, which cuts the list down a lot!
@audiomonster303
@audiomonster303 2 жыл бұрын
very well explained, I learned a bit about air flow of the woofer
@wendelllaffin240
@wendelllaffin240 9 жыл бұрын
great explanation of open vs closed back cabs... my only suggestion is to make it 10 on Friday... two times better IMHO.
@PhillipMcKnight
@PhillipMcKnight 9 жыл бұрын
Wendell Laffin Maybe 7 on Friday could be the meet in the middle.
@wendelllaffin240
@wendelllaffin240 9 жыл бұрын
yes sir
@SuperDuperPooperScooper4321
@SuperDuperPooperScooper4321 3 жыл бұрын
@@PhillipMcKnight little did you know the 5 on Friday would become the 120 on Friday
@jeremypoythress4995
@jeremypoythress4995 Жыл бұрын
Since i play mainly rock, blues, and jazz I coverted my small 12 to 15 inch amplifiers cabinets into halfbacks. the overall improved sound is warmer, has better projected mids without losing bass clearing up the treble. I also use a closed back active subwoofer that i keep on a class c power amp that uses a flipswitch.
@BrianMorris-zc4md
@BrianMorris-zc4md Жыл бұрын
Thank you Phillip. It's important to have the basics covered before moving on, good job!
@ytlongbeach
@ytlongbeach 8 жыл бұрын
Another incredible video by +Phillip McKnight !!!
@Ty1350
@Ty1350 3 жыл бұрын
Just got a closed back cab for my open back ycv50 and the blend sounds so sweet. The open back part has a creamback and the closed back part has a v30 so the difference in sound is pretty noticeable when played separately. Having one cab specifically designed to hit the lower frequency makes it sound more balanced than the usual pointiness of isolated guitar
@unboxedtravels
@unboxedtravels 2 жыл бұрын
Nice to see another Traynor fan ! I have the same amp as you ;-)
@SimonWojcik1
@SimonWojcik1 6 ай бұрын
Great video. Thanks for the info on the history of the open back vs closed back design. I just picked up a Fender Acoustasonic 40 and I have a feeling it is gonna sound much better to me ear when I pull off that back panel.
@joeschmoe6802
@joeschmoe6802 5 жыл бұрын
As I pondered the information presented in this video, I'd have question the accuracy of it. If you've ever designed speakerboxes, you know that when you put a raw speaker in a cabinet, you automatically get more bass. Try taking a raw speaker (with no enclosure) and running sound through it, to understand what I'm saying here. You'll find that with no cabinet, it will be very thin sounding. If you put a back on a cabinet you'll probably increase the bass response. If you port that closed back cabinet, you'll increase the bass even further. An open back would actually decrease the bass, I suspect. Now all of this having been said, the characteristics of the raw speaker play into this too. So, some tonal responses can be build right into the driver.
@Midnightbluesproject
@Midnightbluesproject 5 жыл бұрын
Very useful clear explanation. Thank you. I've subscribed for more.
@joeschmoe6802
@joeschmoe6802 5 жыл бұрын
That was an interesting explanation. What he was getting at with the sealed cabinet is that air can be compressed. It kind of "springy" in that regard. So as a speaker moves, it compresses the air (which acts as a resistance to the movement of the speaker cone.) As the springy air is compressed and the paper cone presses against it, the travel distance of the speaker is limited by the resistance of the air. So, the cone can't over extend itself in terms of travel. It's being restricted by the air. This resistance from the air keeps the movement of the speaker cone from being "flabby" to some degree. You get a tight sound this way, because of a sealed cabinet. This keeps the frequency response of the speaker box flatter, too. Now, porting changes the whole thing because you can TUNE a cabinet with a port, to make a bump in the bass freqencies with it. He talked about bass reduction with a sealed cabinet, but he didn't talk about accentuating the bass with a port. The length and diameter of the port relate to which frequency, in the bass, will be accentuated. What happens with a port, is as the speaker moves in a backward motion, the air in the port is pushed out of the cabinet. Conversely, when the speaker cone moves forward, air is sucked into the cabinet through the port. So, you get this in and out movement of air in the port. As the speaker moves back and forth, it takes time for the air to move in and out of the port. If the right frequency is hit, the air comming in from the port will be in the opposite direction as the speaker movement. It will also be in the opposite direction of the speaker when the air is leaving the port. This happens at the resonant frequency. So, when the resonant frequency is hit the movement of the speaker stops, and the bass sound comes out of the port. The air comming in and out of the port is in the exact opposite direction as the speaker want so move, but the speaker can't move because it is being held in place by the air moving in and out of the port. The bass sound, at this particular frequency is comming out of the port. There you have why he didn't mention ports, because they DO accuentuate the bass. Now, as far as the open back goes, the speaker itself has not nearly the air resistance that a closed back cabinet would have, so the speaker itself has to self regulate it's own movement. The springiness of the speaker cone is built in by the speaker designer. Some of them have a very tight, controlled movement (stiff cone, etc.) Some of them are looser and more flabby. If a speaker is loose and flabby, you get ringing as the speaker's back and forth motion subsides. When designing cabinets, the designer takes into consideration how well a speaker will stop it's motion. There is my two cents on this issue. I'm going by my memory, and my experiences with building my P.A. boxes (which is great fun, when they work well.)
@philipTOMPSETT
@philipTOMPSETT 7 жыл бұрын
Always wondered about that. Mystery solved (2 in one days with your Ohms vid). Keep them coming please.
@thomasfarmer1730
@thomasfarmer1730 2 жыл бұрын
Phil does it again…👍 cheers from Down Under 🇦🇺
@mouseanalyse
@mouseanalyse 3 жыл бұрын
Great video, clear explanation! 👌 Thanks Philip!
@edwardh4202
@edwardh4202 3 жыл бұрын
That was a really good explanation. I have been on the fence about closed verse open. I understand people like to hear things but since we all listen on computers and phones how helpful is it sometimes just the facts are good
@brooks_6671
@brooks_6671 6 жыл бұрын
This answered so many of my questions
@brucewayne3494
@brucewayne3494 7 жыл бұрын
Hey could you do a 4x12 vs 2x12 cab video?
@fatherlandchild2780
@fatherlandchild2780 5 жыл бұрын
No bullshit, just The stuff i wanted to know. Thank you!
@brianknickerbocker8518
@brianknickerbocker8518 7 жыл бұрын
Thanks, very helpful, getting ready to build a speaker for the boy and this helps.
@59lespaul21
@59lespaul21 8 жыл бұрын
Would a 1x12 Orange cab fit an orange crush 120watt head
@Hetfield7782
@Hetfield7782 4 жыл бұрын
this was super informative and helpful. thank you!
@JWCFB
@JWCFB 8 жыл бұрын
Thank you Phillip. Great explanation.
@GRockBlues
@GRockBlues 6 жыл бұрын
That was totally awesome info...you have a great delivery and personality...you dont offend or ise vulgar angry language like some other youtubers who do comps on different gear...Thanks a milhouse!...Peace!
@raybbaby
@raybbaby 9 жыл бұрын
Geez, I damn near forgot to "like" this vid. Pretty informative.
@simondeobald2524
@simondeobald2524 4 жыл бұрын
Today I learned something. Thank you!
@compareguitarpickups536
@compareguitarpickups536 6 жыл бұрын
I've tried all kinds of combinations. All had varying results.
@marcusdavey9747
@marcusdavey9747 Жыл бұрын
The air in a sealed cab will stiffen the springiness of a cone, as you say. However, the effect is an increase in bass response at ~50-150Hz. That is both measured and noticed by most players. There are other factors mentioned that shouldn’t be confused: The effect of diffuse sound from the rear of an open cab (in-room fullness) and the effect of a larger baffle (a lower shelf freq…more mid-bass.)
@Cbrmansc77
@Cbrmansc77 4 жыл бұрын
Amazing eye opening info. Thank you so much for this, I was playing my mark iv from a mark 5 and I was trying to pinpoint the missing punch. I love my boogie but when I was drop tuning riffs I I noticed it had the highs but there was a missing low hit. I got it serviced, returned with 6l6 and 12ax6 and still there was a missing factor. Now I'm going to look plug it into a cab. Sence my amp is a combo it's open back, it feels like there is a leak in the bass presence in the chords. I know the quick fix is just to put the amp up against a wall and in a tight space, the only problem is the heat against the tubes. I know this is a newb comment and I don't mean come off stupid but I appreciate anyone's advice.
@trillrifaxegrindor4411
@trillrifaxegrindor4411 4 жыл бұрын
how does anyone have a mark 5 and not grasp amplifiers?> go to home depot/lowes and ask them to cut you a piece of plywood to the size you require,cover it with tolex and put it in.
@tamasveingartner4976
@tamasveingartner4976 7 жыл бұрын
hi, I have the mesa TA 23 widebody open back cab, and I feel that it lacks of some bottom end and that thump. I am wondering if it could be improved, if I change the backpanel to a panel like the Mesa Three Quarter back cab has? what is your opinion? Should I invest into a 212 cab rather? Oh and that plastic jack plug is also included in my open back cab :) I think it is their just as a dust cover, and not because of keeping the air in.
@onewiththings
@onewiththings 2 жыл бұрын
Excellent explanation!
@Yupppi
@Yupppi 7 жыл бұрын
I think a demo would have been really helpful since you had both. I actually watched a lot of videos because I perceive my closed 1960 pretty bassy. The weird thing is, about half of the clips I thought the cab with back opened sounded more open, focused on high frequencies, while the back panel closed it sounded much bassier and punchier. I'm rather puzzled why this happens. In one video I thought it's about micing that loses all the bass when back panel was open but other video had bass frequencies well presented and that still happened. Some other videos on the other hand sounded like you described, tighter and punchier bass when back closed and open being softer.
@glassbox7761
@glassbox7761 3 жыл бұрын
Clear explanation, thank you from Spain
@rodolfolucero3359
@rodolfolucero3359 6 жыл бұрын
im looking for a mesa boogie mark V or recto combo or head, whatever i can afford and the only i have found in my range is a mark V 35 combo at my local pawnshop. I want it for metallica tones and metal mostly, my question is would the fact that its an open back combo mean that its bad for what i want it for ? (once again, metallica tones and stuff like that, also classic rock and nice cleans)
@DannyBrownDesign
@DannyBrownDesign 7 жыл бұрын
Great video, what model cabinet is the Mesa closed back?
@stephenmarksberry538
@stephenmarksberry538 8 жыл бұрын
Thank You Brother Phil, For Providing This Space For All The Kind Souls United Here Around Loves Tools, The Electric Guitar And Amps! They Are The Answer To The Dark Elves! I Live 2Hours From Orlando,A City I've Been To Countless Times With Friends And Family,A City I Love . I Do Not Despair For There Are More Good Kindhearted People Than The Haters. The New Being Reaches For Their Guitar,Not The Gun. So Bless Us All TOGETHER Here Each And Every One. Long May We All Run, Thank You Phil & Everyone. 6/15/16
@CJ_YT.
@CJ_YT. 7 жыл бұрын
what
@ShadovvV
@ShadovvV 4 жыл бұрын
Very informative, but what I'd really like to know is, what's on the other side of that Mesa 1x12 closed back input jack? Do they simply wire it directly from the jack to the speaker? Or is there any other kind of special mojo going on like a cap/resistor combo?
@Bognerman14
@Bognerman14 Жыл бұрын
Good video and talk. With a 412, it's closed back all the way. With a 212, I struggle with what to use for rehearsal. I used 42 cabs at home and love it. At our rehearsal space, I have a Bogner Oversized 212. I initially ran this closed back but sounded smaller, so I switched to semi open back to make the sound bigger and fatter. Problem is, we play heavy music, but also a lot of classic rock, hard rock, grunge and metal. What would you recommend? I have options with my 212 cabs, open, semi open and closed. So far, semi open a Ema to give the best of all worlds, big sound, big low end, but I lose some tightness. I like warm highs too, so I can't decide if I should be using a close back 212 or semi open back. Any thoughts? Thanks.
@kdrake777
@kdrake777 9 жыл бұрын
That was helpful! I knew part of that, but that was a more complete picture, thanks!
@NateB1976
@NateB1976 9 жыл бұрын
Great info!
@eltigre8978
@eltigre8978 5 жыл бұрын
Good video! You surprised me, I thought closed back would have more low end but obviously I was wrong. One thing I'd be curious about would be the volume difference. Wouldn't a closed back cab be louder and more efficient? As long as you did an apples to apples comparison with the same speaker in each cab. Another thing is the size of the cab. Wouldn't a larger closed back cabinet have more low end than a smaller closed back? I've heard comparisons and the 4x12 closed back cab always has more thump than the 1x12 closed back. The ultimate test would be to build a custom cabinet the size of a 4x12, but mount only one 12 in the middle, no other porting or open speaker holes in the box. Wouldn't such a cabinet just have more low end resonance since it's bigger?
@doctorskull8197
@doctorskull8197 2 жыл бұрын
A fine explanation!
@gearmoe9066
@gearmoe9066 2 жыл бұрын
There is something you can do to an open speaker. It is not the same as closing the cabinet but you can tune the sound. You can cover the spaces in the speaker frame. A stiff product will be used such as cardboard held in place with foil tape. You'll probably have to cover 2/3's of the space to really hear a big difference. Try it. You can glue a damping material over the sealed plug to absorb high frequency. Of course changing speakers or cabinets is best but if you can make this work saves a lot of $.
@RonTimmonsM1
@RonTimmonsM1 5 жыл бұрын
Thanks for the video I have always wondered about this subject... I think I will go open back
@bluepillzombie960
@bluepillzombie960 4 жыл бұрын
Thanks Phil, Great stuff !
@slashaholicanonymous
@slashaholicanonymous 8 жыл бұрын
Great explanation- thanks!
@bradmiddleton412
@bradmiddleton412 5 жыл бұрын
So if you are wanting that closed back sound, but have an open back amp/cab, would it be a good idea to convert your amp/cab to a closed back?
@Pokey7317
@Pokey7317 8 жыл бұрын
Great Video. Very informative
@andreshurtado2496
@andreshurtado2496 6 жыл бұрын
hi, is it a good idea to close an open back cabinet?, i,m saying this because i found a very good offer of a mesa rectifier 2x12 but its open back, what would happen if i close the back with another piece of wood or whatever it is used ?
@davidbronicki5024
@davidbronicki5024 7 жыл бұрын
I like to get your opinion on these Keith Urban guitars they sell on MSN what do you think of them?
@carverpartin3151
@carverpartin3151 8 жыл бұрын
Is it easier to make an open back sound like a closed; or vice versa? Great videos by the way.
@74dartman13
@74dartman13 6 жыл бұрын
I recently bought a small 5watt combo amp...a knock off of a Fender Champ. I'm thinking about making an external cabinet for it. Since I like blues, from what you've said, do you recommend I make it an open back cabinet? Are there any certain speakers that you prefer? Not sure of size or quantity either. Thanks for any help!👍😎🎸🎶
@diegoambrosio9903
@diegoambrosio9903 5 жыл бұрын
Excellent video! Thanks!
@pedrobejar825
@pedrobejar825 2 жыл бұрын
Outstanding lesson. THank you so much
@robhead22
@robhead22 8 жыл бұрын
Excellent explanation! Thank you. And I think your comments on Mesa boogie, both in the video and in the comments below, show you are principled. First class stuff!
@BlaineLudeman
@BlaineLudeman 8 жыл бұрын
i thought that was the end result. made me think about car sub boxes etc. i didn't think about combos that way but are other 'metal' combos sealed like the 5150? blackstar, marshal, 6505 etc.?
@trillrifaxegrindor4411
@trillrifaxegrindor4411 4 жыл бұрын
no
@josueLD7
@josueLD7 7 жыл бұрын
Thank you, great video!
@V8LC100
@V8LC100 4 жыл бұрын
The Mesa ported Theil cab gets good reviews which is what brought me to this video...but you skipped ported. Pls advise benefit of port thx.
@ememe1412
@ememe1412 2 жыл бұрын
The Thiele-Small measurements and parameters of the driver determines its performance in an open back or closed back cab. A driver cannot make 'more' bass on an open back. The cancellations of the back and front wave within the space and at the edges of the baffle, plus the steep slope, will give the impression of louder ranges within the bass frequencies. One of the reasons some like 8" in 10-12" cabs for a 'fuller' sound. A phenomena noticeable if one walks alongside an open back. It is quieter on the sides where the cancellations are happening. A sealed cab, depending on the q of the driver and size of the box will extend bass further at a gentler slope but at the expense of box size. The front and backwaves do not meet. Comparing drivers open and closed back is not apples to apples if the driver design is geared towards one way. Drivers sometimes have q that can be used either sealed or bass reflex, then one can choose (bass players that need 40hz). Drivers for open designs rarely perform as well in sealed boxes, not in sizes considered practical for guitar use...
@alftupper9359
@alftupper9359 6 жыл бұрын
Very informative, thank you.
@Kwarog
@Kwarog 5 жыл бұрын
Very helpful video! Thanks!
@caseywilson7768
@caseywilson7768 4 жыл бұрын
Excellent video
@patfurlan
@patfurlan 8 жыл бұрын
1:14 they were not micing drum kits on stage till long after closed back cabs came about! #2 the closing of the back was for bass cabinets as the air cushion created prevents the speakers from bottoming out and destroying the voice coil. closing of the back in a Marshall moves the bass content up above 200hz into the thump frequency vs actual bass... what we like is that 200hz push of the 4-12
@KanyeTroll
@KanyeTroll 8 жыл бұрын
+patfurlan True, don't cut up a closed-back cabinet, because the speakers may not be able to handle the extra air motion!
@minus9us677
@minus9us677 5 жыл бұрын
really depends on the resonant peak of the speaker, sometimes a lower frequency peak sounds better in a closed cab. otherwise it just moves and flubbs... i just switched my mesa black shadow from my combo for the celestion vintage 30 from my closed carvin 1x12. made both cabs better. mesa was too flubby with the BS, and the carvin with the v30 was too weak in the lowend. peak of the speakers were night and day.
@choadcityusa
@choadcityusa 2 жыл бұрын
So i have a 200 watt amp going into a 320 watt cab..if i bought a 240 or 280 or 300 watt cab, would it sound ok with the 320 watt cab?
@davidmagazzi6727
@davidmagazzi6727 7 жыл бұрын
another good way to open the closed back cab is to get screws that are 1 inch longer than original,and get 1/2 inch square 1 inch long spacers for the screws. and put the spacers between the cab and back panel,thus giving you about a 1/2 of free air all the way around the back cover, i did this to my 65 fender bandmaster cab, and it woke up the lower stuff pretty good. have you ever tried that?
@PhillipMcKnight
@PhillipMcKnight 7 жыл бұрын
Great info thank you for posting
@davidmagazzi6727
@davidmagazzi6727 7 жыл бұрын
no prob,wish i had more.
@Midnightbluesproject
@Midnightbluesproject 5 жыл бұрын
This sounds like a great idea. I have 2 1x10 blackstar closed cabs. I think i'll try your idea on one of them and compare the results. If I do get around to trying this I'll post a video of the outcome.
@BibleBeltBlues
@BibleBeltBlues 4 жыл бұрын
Awesome explanation! Thanks...very hellpful. I have a Fender closed back cab..the Fender Super Champ 1x12 Guitar Speaker Cabinet . I was wondering if I could cut out the back and just then you said it was possible. I will pursue this...if you have any ideas how best to do it please let me know....thanks so much LOVE your channel...you have a wealth of knowledge that you just put out there and so grateful. :)
@Username89039
@Username89039 3 жыл бұрын
I have the same and it just booms sometimes, far too much muddy bass. I've tried a few different Celestions in it - Greenback 55 (nice but even more bassy, obviously!) Vintage 30, American, G12T 75, Jensen P12N... I'm more used to clearer, breathing, alive open backed combos and so I'm going to remove part of the closed back panel. Sad thing is, these Fender 1x12 cabs are accessed from the front, the back is totally sealed. Guess I'll be using a saw then...
@Redbelo
@Redbelo 8 жыл бұрын
Phillip- do a video about amps speakers, I am new guitar player, I just bought a tweeted blues deluxe, to replace a Hot rod deluxe that i had for a week,and went bad , i was in love with hot rod, but, after the store give me a good discount i took home the blues deluxe, I am skeptical about the blues deluxe , yet following some presets i found on-line, i found some good sounds for my brand new amp . and i am found a lot of tread saying that the speaker sucks, i should upgrade to this or that , I know if i like the sound , others people opinion don't mater, but at the same time i don't have much to compare with it , i feel compelled to swop the speaker for another brand maker , fearing i am missing something can you add something to this dillema?
@PhillipMcKnight
@PhillipMcKnight 8 жыл бұрын
Speakers are always tough because they make such a difference to the sound. First step is always play the speaker for a little while to break it in. Everyone will have a opinion about who makes the best speaker, but no one I ever met disagrees with the idea that all speakers need some break in time. The more they get played the better they sound. Generally, they lose some of the ice picky sound and tend to be softer and warmer as they break in. Just like all the guys out there tried tone of speaker and found the ones for me. I use three different types in all my amps. A Celestion for rock, metal. A Jensen for jazz blues, and a eminence for a bigger sound. The best thing to do if you are interested in trying a different type of speaker is look for someone getting rid of a good cheap. They lose a ton of value used.
@kewlbns69
@kewlbns69 8 жыл бұрын
all i know is pulling the back panel off my MG15DFX made it sound a lot better. you should do a demo comparing the two.
@trillrifaxegrindor4411
@trillrifaxegrindor4411 4 жыл бұрын
throwing it out makes it sound even better,try it(your wife will love it)
@jimcamp2423
@jimcamp2423 4 жыл бұрын
I get some of the advantages & disadvantages of each, but I'll argue the bass theory is more on an open back. Here's the rub with your theory ? The speaker being a woofer produces whatever bass it's going to produce. After that, it's a matter of confining those sound waves. The open back releases sound out the back like you said it does. The closed back confines & restricts those vibrations & sounds and allows them to marinate inside the enclosure. There's really nowhere for that to go but forward thru the front of the speaker. That trapped bass is accumulated and the rumble is enhanced. With an open back, you better have enough amp to fill the room with ambient sound, strategically finding a wall or a corner might help an open back with a deeper rumble, but it's gonna like louder volume levels to fill the room. At a live outdoor concert, the audience is in front and around the front of the stage. It makes no sense to allow volume out the back, there are no walls to capture the sound and the closed back being directional makes more sense for efficiency. An open back is going to be a manageable room size with enough power for the amp to fill the room. Too little amp and the open back is simply going to be overwhelmed by the room. With an open back, you're going to need a bigger woofer for bass an 8 inch in a closed back is so much heavier sounding than the same 8 inch woofer in an open back. Hey, I tried it with the open back combo 8 inch woofer I have. Simply putting a 3/4 inch mdf board against the back of the open area. Granted it wasn't fully air tight sealed, but giving the amp that much wood to block the sound made a huge difference in bass output. I still had some room filling ambient surround sound that still wasn't as heavy as a closed back 8 inch combo amp I have. At a certain point with that open back cab, the bass knob was a worthless turn to try to get a deeper rumble out of it. I bet the open back sounds different in a deeper bass way in a smaller bedroom than it does the living room with a vaulted ceiling. Bet it sounds deeper in the bathroom too. Not only are the acoustics different for each room, the amp probably has a better chance of filling the room with ambient sound. Back to live music though, I'm probably going to want an open back for a stage in the center of an audience, either that or I need a bunch of speakers pointing towards each section of the audience so that they can get what they paid for, instead of hearing the back of the speaker cabinets.
@gymbo3968
@gymbo3968 5 жыл бұрын
Thank you for this video!
@eikbike
@eikbike 5 жыл бұрын
I watched a video were it showed studio recordings of this comparison and the results were the exact opposite of what you are saying...maybe I missed some details but I found it interesting.
@tonigenerali
@tonigenerali Жыл бұрын
Hi, for home practice ia better 1x12 or 2x12?
@JC-fj7oo
@JC-fj7oo Жыл бұрын
Another reason they don't put reverb in the head is that the reverb chamber is usually pretty big and many brands put the reverb chamber or spring tank in the speaker box. Obviously there isn't one on a head so they just leave it off. Also the combo is usually considered more of an all-in-one solution for travel and small gigs and practice and beginners. So they try to include everything you might need. Whereas if you have the ability to carry a head and a cabinet you're probably doing a serious show and carrying a pedalboard and everything you need either with roadies or (annoyed) bandmates helping you carry it and you're probably going to use a nicer dedicated effects loop reverb if you want it.
@okayestguitarist
@okayestguitarist 9 жыл бұрын
I love 5 on Friday for two reasons. First is they are cool videos and second it has now become synonymous with starting my weekend!! .....question...I love to have lot of different tones....would you suggest getting a new amp or getting a new cab if I want something new? I currently have a closed back Orange PPC112 that I use with my Marshall head and I have open back Gretsch and Line 6 Spider combos. ....I could get a new amp head to use with my Orange cab or I could get a new cab to use with my Marshall. I know it's probably just personal preference and budget but I value your opinion and curious what you would do. ....thanks for the great videos as usual! Let the weekend begin 😎
@PhillipMcKnight
@PhillipMcKnight 9 жыл бұрын
the Marshall and Orange Cab are a great rock, metal, hard rock tone. Gretsch is that old school Fender Champ tone. I'd say you got it covered, if you are looking for something new. reach into the back of the gretsch amp and pull the speaker cable then plug the cable from your Orange Cab into the out put jack in the Gretsch amp. that Gretsch amp is really a Fender champ 600 that they repackaged as a gretsch. a champ plugged into a 1x12 sounds great nice cleans for pedals. no harm to the amp. just look inside the the open back of the gretsch amp and yiu will see the speaker plugged in. let me know if you need help
@okayestguitarist
@okayestguitarist 9 жыл бұрын
Thank you so much for that! I will look into and let you know if I run into any issue. I really appreciate your time and the support!!
@Pokey7317
@Pokey7317 8 жыл бұрын
I use a Mesa Boogie MarIV combo. Do you think it's a good idea to get a closed back Cab so i could get a nice mix between the open back combo and closed back extension cab? My rig is a Gibson Les Paul into a LINE 6 POD HD500x into the Boogie Mark IV. I generally play everything from Megadeath to Tom Petty. Any thoughts/recommendations.
@PhillipMcKnight
@PhillipMcKnight 8 жыл бұрын
that's why I have the two types it's fun to get different tones and vibes from the cabs.
@jesse_cole
@jesse_cole 6 жыл бұрын
Yeah, I can tell you're a huge "Megadeath" fan.
@edwardfasano4818
@edwardfasano4818 3 жыл бұрын
Good video. (1) As an experienced woodworker… Baltic Birch (or Russian) plywood is typically much more uniform than conventional plywood in that it is typically free of voids that can affect both strength and rigidity. And unlike conventional plywood, Baltic Birch plywood will accept router-applied contours at the edges and can be successfully machine dovetailed. The only advantage/upgrade in marine-grade BB plywood is the type of waterproof glue used in the sheets of lamination, hence marine (boat) grade. Other than having a nice marketing ring, there would be no advantage in using marine-grade BB plywood in an acoustic enclosure application whose use will be above the water line. (2) Also having a background in high end audio gear… For some additional basic information, look into at the fundamental differences between bass-reflex and acoustic-suspension speaker enclosures.
@asnark7115
@asnark7115 2 жыл бұрын
That's contrary to what every amp/cab developer has ever claimed about the application of BB in denser, heavier plywood vs lighter vs particle board. According to all, BB's response to lower bass reqs is to amplify and focus them, while lighter materials attenuate them into what they describe as "farty". James Brown and Dave Friedman noted this in their Tone Talk interview just after the one hour mark. It's apparently a function of the stiffness of the cold weather versions of birch along with that added by glue between more layers. Their words.
@hugomejia593
@hugomejia593 3 жыл бұрын
We may ask Page, Gilmour, Iomy, Angus which that one's do prefer to
@markolivares6943
@markolivares6943 6 жыл бұрын
Excellent 👍🏼
@DouglasMelchiades
@DouglasMelchiades 7 жыл бұрын
close = tight, tks for killing my doubt bro!
@kylelikeskjvbible
@kylelikeskjvbible 8 жыл бұрын
do 1x12 sound different than 2x12, and are 1x12 less headroom than 2x12? i'm totally new to amps, all i have are 15 watt combo practice amps.
@trillrifaxegrindor4411
@trillrifaxegrindor4411 4 жыл бұрын
use common sense,is 1 cup of rice more than 2 cups of rice?
@danwright8735
@danwright8735 6 жыл бұрын
thanks for that. Finally a straight answer to the question! One less thing to fuel my Insomnia =) Cheers
@twangbarfly
@twangbarfly 6 жыл бұрын
"One less thing to fuel my Insomnia" LOL
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