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Post subject: Re: Supersonic 22 reverb feedback
Posted: Mon Oct 20, 2014 5:07 am
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Joined: Sun Jul 13, 2008 5:37 pm
Posts: 171
My complaint with the reverb circuit is the slight hum it produces, and the fact that it is not as strong/wet as the DRRI/PRRI reverb circuit.

The hum/buzz seems to be coming from the footswitch acting as an antenna, or possibly the reverb in/out jacks are too close to the OT (or is it the PT? I forget)

IDK what could be done about making the reverb more Fendery like on the DRRI/PRRI.....

But definitely agree Fender needs to get a handle on their QC.

Otherwise, love the amp. Very versatile, and too many people have dissed it w/o giving it a chance, simply because it's not a point-to-point reissue of something, and because it has a dirty channel. Like it's not a Fender because it has a dirty channel or something. Whatever. Their loss.

But this one is truly a next generation amp blending vintage Fender with great Fender overdriven tones that can be had at various volume levels.


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Post subject: Re: Supersonic 22 reverb feedback
Posted: Mon Oct 20, 2014 5:40 am
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Joined: Fri Nov 09, 2007 7:46 am
Posts: 1019
Location: State of Confusion
ruger9 wrote:
My complaint with the reverb circuit is the slight hum it produces, and the fact that it is not as strong/wet as the DRRI/PRRI reverb circuit.

The hum/buzz seems to be coming from the footswitch acting as an antenna, or possibly the reverb in/out jacks are too close to the OT (or is it the PT? I forget)

IDK what could be done about making the reverb more Fendery like on the DRRI/PRRI.....

But definitely agree Fender needs to get a handle on their QC.

Otherwise, love the amp. Very versatile, and too many people have dissed it w/o giving it a chance, simply because it's not a point-to-point reissue of something, and because it has a dirty channel. Like it's not a Fender because it has a dirty channel or something. Whatever. Their loss.

But this one is truly a next generation amp blending vintage Fender with great Fender overdriven tones that can be had at various volume levels.

I must agree with this!

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Post subject: Re: Supersonic 22 reverb feedback
Posted: Wed Aug 16, 2017 12:12 pm
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Joined: Fri Sep 12, 2008 12:40 pm
Posts: 75
rollo wrote:
Mman101 wrote:
The reverb tank is in the bag with a piece of cardboard instead of wood. The tank is not attached to the cardboard in any way. It's just there to absorb vibrations. This is the way it came from the factory. Fender trying to cut corners I guess. The bag is screwed to the bottom of the cabinet on each end. The Rubber weather strip on top is what it needed.
This is an awesome amp for 22 watts and I didn't want to give up on it. All the modulation pedals sound superb through the effects loop. People give this amp a bad rap but I wonder how many have played one with the speaker broken in. It took some hours of play time and now the amp is much warmer on the fat channel and crystal clean on the deluxe channel with a strat. The tone controls are on both channels are sensitive. You have to play and dial it in to your guitar. Different stroke for different folks. I'm a happy man now!



Change out the TL072's in the loop for either TLE2072's in a dip 8 or OPA2134's (smoother with REAL fet inputs) don't waste dough on anything better since it is a tube amp...the loop tightens up quiets down and is more musical

your loop has;
http://www.ti.com/lit/ds/symlink/tl072.pdf

i tried LME series chips in the loop in nice improvements BUT way too much overkill for a tube amps

so i went to:
http://www.ti.com/lit/ds/symlink/tle2072.pdf

here is where i am staying on this amp..matter of fact today i finish it and will l fire it up again

but i am putting these in..i have a full well equipped lab and have seen no ringing, oscillation or other common things that can occur when swapping chips..

http://www.ti.com/lit/ds/symlink/opa2134.pdf best :D :D :D :D

messing with the coupling capacitor to the PI is worth it....and since it is the same power section as a DRRI mods on the DRRI PA section apply here also - stuff like feedback, PI coupling :mrgreen:

BTW all my reverbs howl...a dude owes me dough so he is buying me new TAD versions, i am putting planet waves speaker wires in, with nice made by "bluejean cables" to length RCA gold connected shielded belden wires, i use 6201 or the CV4...somethings in the AT7 spot for the reverb drivers sometimes a JJ12dw7 in the recovery circuit...\\the ss22 is a gem too many don't know about -but i will go through my tanks now that i have read this thread - can't wait to get the TADs thou



Hi Rollo

I have read your post and catch my attention since I'm waiting for a TLE2072 to replace my TL072 fx loop IC of my Hot Rod Deville. Here in venezuela is impossible to find the TLE2072 but I can find the OPA 2134. Which one do you think will be better? Have you tried A/B TLE2072 vs OPA 2134?

Thanks in advance

Alberto Garcia
Caracas-Venezuela


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