The Surfy Bear Fet Reverb

Joined: Oct 12, 2021
Posts: 8
United States

Posted on Nov 24 2021 08:52 PM

It's done. Squeezing the tank inside the bottom of the pedalboard had me flummoxed for a while. The mounting holes "found" the pass-through holes in the board.

Finally, it dawned on me that Velcro is sufficient, and likely provides more isolation than screws with small isolation bushing.

... Thom

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spskins

Joined: Feb 27, 2006
Posts: 3643
tn
United States

Posted on Nov 28 2021 03:03 PM

Get 20% off on all effects through midnight tomorrow 11/29 at surfyindustries.com with the code REVERBTIME!!!

—

http://www.satanspilgrims.com
http://www.facebook.com/pages/Satans-Pilgrims/8210228553
https://satanspilgrims.bandcamp.com/
http://www.surfyindustries.com

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remora1

Joined: Jan 04, 2008
Posts: 1241
San Pedro, CA
United States

Posted on Jun 03 2022 06:50 PM

So I've been wanting to change things up and while clearing out some old work equipment/instruments, I came across an awesome candidate. It's a vintage Brush surface finish indicator, trade name "Surfindicator". I decided to gut the chassis and stick the Surfy Bear board inside, and mount the pan inside my speaker cab that has the Quilter custom 15" speaker. It worked like a charm!

—

Bill S._______

HELLDIVER on Facebook

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DeathTide

Joined: Apr 13, 2018
Posts: 1066
New Orleans
United States

Posted on Jun 03 2022 07:21 PM

That is SUPER cool! What the heck is a surfindicator?!! Do you think mounting the pan inside a closed cab with a loud 15” might cause some extra noise? From vibrations? I know Twins have that soft pouch bag and I don’t think those add vibration noise. It would be extremely difficult to test this without a second amp. Anyhow that enclosure is brilliant.

—

Daniel Deathtide

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remora1

Joined: Jan 04, 2008
Posts: 1241
San Pedro, CA
United States

Posted on Jun 03 2022 09:30 PM

DeathTide wrote:

That is SUPER cool! What the heck is a surfindicator?!! Do you think mounting the pan inside a closed cab with a loud 15” might cause some extra noise? From vibrations? I know Twins have that soft pouch bag and I don’t think those add vibration noise. It would be extremely difficult to test this without a second amp. Anyhow that enclosure is brilliant.

It was an instrument for measuring the surface roughness of machined parts. It had a mechanical component that had a stylus similar to a phonograph.
I actually did insulate the pan with a piece of foam and some tolex that I had laying around. I should have took a picture before I closed it up but I haven't had any noise issues yet.

—

Bill S._______

HELLDIVER on Facebook

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kinski

Joined: Jan 16, 2015
Posts: 36

Posted on Jul 18 2022 01:40 PM

I did another mod to my build and thought it may be of interest to others here.

I installed a tiny module that boosts 9v to 12 (2A) internally. This way I can use a standard guitar pedal power supply like a OneSpot or something similar. I didn't like that the stock supply has the opposite polarity of all my other guitar power supplies and that it required a special 12v one. It works perfectly and now I can just grab any guitar pedal power supply and power it without issue.

If anyone is curious, here is a link to the module I used:
https://www.ebay.com/itm/125104160678

The power supply is adjustable with the trimpot. So make sure to set the module to put out 12v before powering the reverb!

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kinski

Joined: Jan 16, 2015
Posts: 36

Posted on Jul 18 2022 08:44 PM

Hmmm, I may have spoken too soon. The module is getting VERY HOT and slightly smoking. But putting out 12v perfectly. I’m gonna look into it and post more if I can figure it out. The reverb board is totally unharmed. I may just revert back to stock wiring and use the standard 12v supply again if I can’t solve this overheating issue with the module.

Last edited: Jul 18, 2022 20:45:43

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kinski

Joined: Jan 16, 2015
Posts: 36

Posted on Jul 24 2022 03:45 PM

UPDATE!

The problem was I got the wrong power supply. Both + and - were putting out voltage. Surfy needs 12v on + and 0v on -. And now I got a module that does just that except it powers from 120VDC via an IEC receptacle that I installed. Works beautifully now and super quiet. To power, I just use an IEC cable which I have tons of and venues often have a few laying around as well.

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Downed_Aviator

Joined: Nov 23, 2019
Posts: 17
Vienna
Austria

Posted on Jul 25 2022 03:18 AM

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Galibier_Numero_Un Joined: Oct 12, 2021 Posts: 8	Posted on Nov 24 2021 08:52 PM It's done. Squeezing the tank inside the bottom of the pedalboard had me flummoxed for a while. The mounting holes "found" the pass-through holes in the board. Finally, it dawned on me that Velcro is sufficient, and likely provides more isolation than screws with small isolation bushing. ... Thom Top
spskins Joined: Feb 27, 2006 Posts: 3643 tn	Posted on Nov 28 2021 03:03 PM Get 20% off on all effects through midnight tomorrow 11/29 at surfyindustries.com with the code REVERBTIME!!! — http://www.satanspilgrims.com http://www.facebook.com/pages/Satans-Pilgrims/8210228553 https://satanspilgrims.bandcamp.com/ http://www.surfyindustries.com Top
remora1 Joined: Jan 04, 2008 Posts: 1241 San Pedro, CA	Posted on Jun 03 2022 06:50 PM So I've been wanting to change things up and while clearing out some old work equipment/instruments, I came across an awesome candidate. It's a vintage Brush surface finish indicator, trade name "Surfindicator". I decided to gut the chassis and stick the Surfy Bear board inside, and mount the pan inside my speaker cab that has the Quilter custom 15" speaker. It worked like a charm! — Bill S._______ HELLDIVER on Facebook Top
DeathTide Joined: Apr 13, 2018 Posts: 1066 New Orleans	Posted on Jun 03 2022 07:21 PM That is SUPER cool! What the heck is a surfindicator?!! Do you think mounting the pan inside a closed cab with a loud 15” might cause some extra noise? From vibrations? I know Twins have that soft pouch bag and I don’t think those add vibration noise. It would be extremely difficult to test this without a second amp. Anyhow that enclosure is brilliant. — Daniel Deathtide Top
remora1 Joined: Jan 04, 2008 Posts: 1241 San Pedro, CA	Posted on Jun 03 2022 09:30 PM DeathTide wrote: That is SUPER cool! What the heck is a surfindicator?!! Do you think mounting the pan inside a closed cab with a loud 15” might cause some extra noise? From vibrations? I know Twins have that soft pouch bag and I don’t think those add vibration noise. It would be extremely difficult to test this without a second amp. Anyhow that enclosure is brilliant. It was an instrument for measuring the surface roughness of machined parts. It had a mechanical component that had a stylus similar to a phonograph. I actually did insulate the pan with a piece of foam and some tolex that I had laying around. I should have took a picture before I closed it up but I haven't had any noise issues yet. — Bill S._______ HELLDIVER on Facebook Top
kinski Joined: Jan 16, 2015 Posts: 36	Posted on Jul 18 2022 01:40 PM I did another mod to my build and thought it may be of interest to others here. I installed a tiny module that boosts 9v to 12 (2A) internally. This way I can use a standard guitar pedal power supply like a OneSpot or something similar. I didn't like that the stock supply has the opposite polarity of all my other guitar power supplies and that it required a special 12v one. It works perfectly and now I can just grab any guitar pedal power supply and power it without issue. If anyone is curious, here is a link to the module I used: https://www.ebay.com/itm/125104160678 The power supply is adjustable with the trimpot. So make sure to set the module to put out 12v before powering the reverb! Top
kinski Joined: Jan 16, 2015 Posts: 36	Posted on Jul 18 2022 08:44 PM Hmmm, I may have spoken too soon. The module is getting VERY HOT and slightly smoking. But putting out 12v perfectly. I’m gonna look into it and post more if I can figure it out. The reverb board is totally unharmed. I may just revert back to stock wiring and use the standard 12v supply again if I can’t solve this overheating issue with the module. Last edited: Jul 18, 2022 20:45:43 Top
kinski Joined: Jan 16, 2015 Posts: 36	Posted on Jul 24 2022 03:45 PM UPDATE! The problem was I got the wrong power supply. Both + and - were putting out voltage. Surfy needs 12v on + and 0v on -. And now I got a module that does just that except it powers from 120VDC via an IEC receptacle that I installed. Works beautifully now and super quiet. To power, I just use an IEC cable which I have tons of and venues often have a few laying around as well. Top
Downed_Aviator Joined: Nov 23, 2019 Posts: 17 Vienna	Posted on Jul 25 2022 03:18 AM Top

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The Surfy Bear Fet Reverb