Design and Development: The Making of the Keeley Custom 12 | Supro

May 13, 2021 | Robert Keeley and Supro CTO, Dave Koltai, discuss the magic behind the Keeley 12, our most robust pedal platform to date.
Designed in collaboration with Robert Keeley of Keeley Electronics as a follow-up to the bestselling Custom 10, the Keeley Custom 12 is built to seamlessly integrate your pedals into the heart of an all-tube Supro amplifier. The preamp and 2-band EQ section are voiced perfectly for running your gain pedals in front of the amp, while still maintaining Supro’s signature midrange heft and phenomenal touch dynamics. And a transparent effects loop provides the ideal point to inject your delay and reverb effects into the amplifier’s all-tube signal path, avoiding unwanted distortion on modulation effects. The Keeley Custom 12 features the legendary Celestion G12M-65 Creamback speaker, developed in the mid 1960s and beloved by the biggest guitar players in history. It produces vintage, woody tone while still offering major power, perfect for modern amps. Low-end heft complements warm and vocal mid-range, with crunchy upper-mids and sweet, articulate highs. A master volume circuit allows you to control the sound pressure level coming from the speaker, while pouring on copious amounts of gain from the ECC83S-based tube preamp or your favorite dirt pedals.
Learn more about the Keeley Custom 12: bit.ly/38Z0BwQ
Supro is one of the original rock & roll music brands. First manufactured in Chicago from 1935 to 1968, Supro amplifiers and guitars are featured on landmark recordings by iconic artists such as Led Zeppelin, the Rolling Stones and David Bowie. Revived in 2013, Supro now offers a curated range of vintage-inspired tube amps and analog pedals that capture the legendary Supro sound.
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[@johncollins1365]

I just got mine and it RULES!! I also have the Black Magick and Saturn Reverb. I think they take pedals well, but they have soooo much character. The Keeley Custom 12 really gets outta the way and just lets your pedals SING!! FINALLY a Supro with an effects loop and a celestion!! It’s the ultimate gigging amp for me, especially cover gigs where I need a lot of different sounds. It’s also great for my praise and worship gig! Not too heavy either. If you have the money just get it. MY ONLY COMPLAINT is that the power cable is abnormally short and far shorter than what came with my Saturn Reverb or Black Magick.

[@melvinsfan]

These Supro Keeley amps are the bomb. I’ve never played an amp that takes pedals through the front like it does. I have the Custom 12 with the Celestion Creamback 65 and it’s probably my favorite amp I’ve ever owned. And I’ve owned Soldanos to Marshalls through the years. They just kick ass.

[@Supro_USA]

Happy to hear you dig it! 🤘

[@johncollins1365]

I was going to leave a comment but you already said everything I was going to say 😂

[@TeleCaster66]

After 40 years of playing I have to say that the new Supro are possibly my favorite amps I've ever owned. I have 2 and use the Supro Overdrive and my sound is absolutely killer.

[@dlewtweentorla1210]

What a Fab idea!!! Dave Koltai is obviously a guy who Loves to play and Loves his gear, which IMO gives him an advantage. Thinks the way a player does and comes up with the idea, follows through and brings the goods. Keely with a Creamback!!! Oh ya can't wait to get hands on and check this amp out. Well done Supro!! Have a few Supro amps which are great. If you haven't tried one, do it! They certainly are a lot of amp for price.

[@miguelalcala5178]

Favorite amp! Now we need a head version!

[@metrostatetacticalicecream6945]

This is exactly what I have been looking for, for years. Great job listening to your customers. The simple controls, effects loop on top, great speaker. My only question is where can I get that supro neon sign in this video. Want to hang it up after I buy this amp.

[@Johnnybananass-_]

David koltai comes across as the nicest most genuine person in the community of builders,

[@davmah1st]

Nothing little about that magic recipe!!!! On my shopping list now

[@jaywonderful1477]

I played on one for the first time and it’s one of a kind. Great design

[@GiantPinhead]

Great job Dave and Rob!

[@tubingforever]

I got my own tube preamp. Thinking about getting this amp and running it straight into FX return of the Keeley Custom. Would that bypass the Volume and only leave me with the Master Volume? My preamp doesn’t have it’s own volume, only gain.

[@nathannapier7740]

Love my 10, but now I find myself wanting to try the 12 🤣

[@realgoodmind]

Yeah nice to see these 2 greats colab.

[@DLH.23]

Would be great if you made a 6L6 version of this amp. It sounds great, but would benefit from just a bit more headroom.

[@kevinhetzel8654]

What a combo!

[@richardlynch5632]

Great path Suoro is on😎👍

[@DrunkenRhinoceros]

Can Supro make a video like this for the Royale 1933r 2x12?

[@LEUNN_]

is the fx loop in series?

[@JoeyNoble]

Very Cool!

[@KunchangLeeMusic]

Dang want one of these

[@es5679]

At what level does it breakup?

[@sprontos]

Have i found the wet for my wet/dry?

[@fuzzgod]

How loud is that amp in dB?

[@Supro_USA]

Pretty loud! Send us an email at [e-mail] and our customer service representative may be able to address that for you.

[@craig.encinitas]

🎸 🔊 🤘🏻

[@programmedforfailure4256]

Send me a dark side pedal 😩