How to add a Boss Katana speaker output

How to add a speaker output to a Boss Katana. A Boss Katana Combo is cheaper than a Boss Katana Head so if you want the best of both world's, I'll show you how to add a speaker output and/or convert your combo into a separate cab and head.
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Crimp terminal set (the correct sizes) : amzn.to/34QeECn
Terminal crimp tool : amzn.to/3aRmFea
Jack sockets : amzn.to/2WPjvza
22mm Forstner drill bit for Telecaster jack : amzn.to/2X9zKYa
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Cab corner protectors (you need 8) : amzn.to/2L3Upd6
Guitar cab feet : amzn.to/3rCQJQo
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UK
Crimp terminal set (the correct sizes) : amzn.to/3hnR30V
Terminal Crimp tool : amzn.to/3aQoUOA
Jack sockets : amzn.to/38FQ2gF
22mm Forstner drill bit for Telecaster jack : amzn.to/2X52twX
Telecaster style jack plate : amzn.to/3rAphmh
Cab handle : amzn.to/3ruBc58
Cab corner protectors : amzn.to/3ruB8lU
Guitar cab feet : amzn.to/38MoTsk
Green spray paint : amzn.to/34SOrCZ
Speaker cable : amzn.to/2MjI3OZ
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Below are amazon affiliate links for some of my studio equipment and video, meaning, at no cost to you, I will earn commission if you click through and make a purchase:
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UK:
Behringer X32 Compact : amzn.to/2DMYFaZ
ART patch bay : amzn.to/2rHKwFx
Mackie Big Knob : amzn.to/2IoYjHh
Mackie HR624 monitors : amzn.to/2RuaQwM
Beyer DT 150 headphones : amzn.to/2TIRVTt
Extreme Isolation EX29 Headphones : amzn.to/2T4Ni2Z
SM57 : amzn.to/2InkU7o
SM58 : amzn.to/2IoIrEK
M-audio keyboard : amzn.to/2Ggegho
My main camera - Canon 77d : amzn.to/2S9tQE9
My main lens - Canon 24mm : amzn.to/3cLb5i5
50mm lens : amzn.to/2xWD4N2
75mm - 300mm lens : amzn.to/356qQ0C
My other camera - Panasonic HC V770 camcorder : amzn.to/2HL45py
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[@TenPester]

I ordered the cable, socket and connectors from your amazon links. Going to add a 2x12. Cheers.

[@gorillacharlie]

Great idea, gonna have to see if I can do this with my Spark...

[@PherotoneStudios]

Love it. Let me know how you get on

[@johnparker2636]

Great video- looking to do this too. Re the apparent improvement in sound when using ?any other speaker, I think it is worth saying that the Boss cabinet is made from mdf and chipboard- not materials usually associated with good acoustic properties. Would be interesting to see the Katana speaker in a pine or ply cabinet.

[@mattdoliver1984]

Only just recently come across your channel and it’s awesome, your like me, have to take things apart to see what I can do with them lol This is a brilliant idea 💡

[@siperonoway19]

Great video love to see the head with different cabs thank you

[@Honore0991]

Great idea man. I was thinking i made the wrong choice buying 100watt combo instead of head :) You gave me a project to work on. I was also wondering if the headphone out jack is powerful enough to drive 250 ohm headphones. Cheers:)

[@Cymanytb]

i mean, i own a katana and i think it is powerful enough. With headphones, I can't turn the master to more than 40% without rupturing my ear drums so yeah.

[@carsandguitars6264]

Clarification the 50w katana is compatible with a 8ohms it was a fuck up by boss it’s an 8 ohm speaker I tested it with a meter.

[@godsinbox]

interesting.

[@carsandguitars6264]

@@godsinbox Yuh

[@johnparker2636]

Great idea- did you say you used this with headphones only? I thought you always had to have a speaker (load) connected when powered?

[@thevacuumobservatory1661]

Could use more detail with building the amp head inclosure

[@dustysoul1986]

Can you post a video of how you made the box?

[@TrillianXIII]

can I do something similar to my mk1 50? If I disconnect the amp I can turn it into a cab for my micro dark amp head? sorry if it’s a stupid question Dx

[@tusharjamwal]

speakers don't really have a ground now do they? if you flip the cables it will just invert the phase, not really a big deal I guess.

[@danielmiller2886]

I actually did the same thing, separating the head and cab on my Katana 50. Quick question: I've seen the red number display that is constatly changing in other videos too; is that a decibel meter?

[@PherotoneStudios]

It should really come as standard. Great little mod. Yeah that’s a decibel meter. About £50 from amazon

[@JeanPaulAussel-illustrateur]

Great work !

[@peterludlow9847]

Would it be possible to use the katana MK2 50 has a cabinet to use a Marshall 1amp head. Many thanks

[@ERIKPLATA]

Yes is very easy

[@justinTime077]

Is that a decibel reader in the background?

[@PherotoneStudios]

Yes. When I practice, I have the habit of getting louder and louder, so it’s to avoid hearing damage

[@killnoni5032]

Now i want to do the same to my boss katana so badly. there is no speaker output which is ANNOYING. I hate the built in speaker!

[@PherotoneStudios]

A lot of people do. And after adding that output I realised that every cab sounds better than the stock katana one. You could just change the speakers though

[@aeb44]

Can u make me the head box?

[@toneconsultant]

A lot of rambling. Good idea, but . . .