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FDP Forum / Fender Amps: 1985 - Current / SuperSonic 22 harsh at low volumes


United States

Richard Strickland
Aug 28th, 2017 07:59 PM   Edit   Profile  

I just bought a Super Sonic 22 based on video demos. I wasn't able to try one out first because no stores in my area carry them, so I ordered one expecting to get the sounds I heard in the demos. So far I think the clean channel is great, but the burn channel sounds harsh and non-articulate. I'm about to return it because I'm unimpressed with the sound, but I thought first I would ask some people who have possibly owned one of these amps if they normally sound this way. I have both the treble and middle set to 4, which seems pretty low, but there is still a metallic clang to the sound. I'm not able to play very loudly because I live in a townhouse — I don't think I've had the volume higher than two. Also, the reverb has some hiss when turned up past 5. So here are my questions:

Does the speaker simply need to break in for the sound to smooth out?

Is the harsh sound due to the stock Groove Tubes,the speaker type, or a combination of these things?

Is this amp simply not good for playing at low volumes (I've ready from many people that this amp sounds great at low volumes)?

Can anything be done about the reverb noise?


Contributing Member


Aug 29th, 2017 05:27 AM   Edit   Profile  

Most tube amps with OD channels sound thin and raspy at low volumes. Try lowering the gain until it sounds good and use an OD pedal for extra juice.


usa metro detroit

Sep 3rd, 2017 06:55 AM   Edit   Profile  

So many questions..

A) what guitar are you using? the SS sounds great with single coils (I.e what Fender sells the most of.. and decent with humbuckers)

B) what style of Overdrive were you expecting? Marshall, Mesa ... well you got the Supersonic type.. which is different... Yea I know... NO SH%T SHERLOCK!.. but did you really consider that factor when you bought it? I.e that you were buying an amp the was know for it's unique overdrive (U either like it or hate it)

You can alter the sound of the amp by changing the preamp tubes. Something like 12ay7 in v1 a normal 12ax7 in v2 and a 12at7 in v3 this combo or something like it will soften and smooth the overdrive and probably warm up the cleans.

Speaker break in is huge if that amp is new ... you haven't broke that speaker in yet. And when you do so, if you still don't like it .. change it to a brand that you know of an amp you like.. Usually that does the trick... cause speakers are the no#1 factor in an amp's tone

Contributing Member

Northern CT - USA

"We're not University material."
Sep 21st, 2017 08:09 PM   Edit   Profile  

Hmmmm. I love mine. In the drive channel Set the bass all the way up, middle on 3.5 and treble on 3. It's somewhat of a brightly voiced amp so you have to crank the bass up and turn back the treble.

I swapped the speaker for a Celestion G12H Heritage spkr and sit it on top of a 1x12 closed back cab w a Celestion V30 in it. Works great for me. Never touched the tubes.

Here's my vid. Pardon the sloppy playing. Came home from a happy hour one night that ran quite late. For some reason I felt like recording.

My demo


United States

Richard Strickland
Sep 22nd, 2017 07:46 PM   Edit   Profile  

Thanks for the replies. My Super Sonic ended up in the shop shortly after I posted this due to the volume cutting out. It turned out that there were so many problems with it that the repairman suggested that I return the amp. So now I'm contemplating getting another one.

DanL, I may have missed it, but can you tell me what you had the volume set on in the video? Thanks.

Contributing Member

Northern CT - USA

"We're not University material."
Oct 5th, 2017 08:09 PM   Edit   Profile  

Sure. I put all the settings in the description section. Vol was at 2.5.

Contributing Member

Northern CT - USA

"We're not University material."
Oct 6th, 2017 04:15 PM   Edit   Profile  

I actually did a speaker comparison test today with the SS22 combo. Tried it with the speaker that's in there now Celstion G12H Heritage 55 Hz vs. the Cannabis Rex that's in my DRRI. Used clean and overdriven tones. I found the CRex to have a fuller, warmer tone with more lowend and a warm, smooth top end.

I'll be swapping out the G12H for the CRex as soon as it arrives. That will be my third Fender combo amp with a CRex in it!



Nov 7th, 2017 03:13 PM   Edit   Profile  

Remove the bright cap. My son and I did that with his SS22 for the very same reason. Much better sounding amp after that.

Put in a Cannabis Rex if you want to spend some money and warm it up further.


Northern CT - USA

"We're not University material."
May 6th, 2018 03:25 PM   Edit   Profile  

Does the bright cap mod impact the drive channel?

I just put in the CRex and a new set of JJ preamp tubes. Sounds better than ever. Smoothed out the top end. And distortion trail off is smoother too. Nice even fade out. Great amp for classic rock or blues. Been doing some recording with it and I'm quite pleased with the sound of those tracks.

FDP Forum / Fender Amps: 1985 - Current / SuperSonic 22 harsh at low volumes

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