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SurfGuitar101 Forums » Gear »

Permalink The Surfy Bear Fet Reverb

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oh quick question

if id wanna hook up a 2 switch external pedal as an on and off switch for both the surfy reverb and trem would i use a stereo jack?

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Last edited: Mar 08, 2022 12:51:22

Gilette wrote:

SHADOWNIGHT5150 wrote:

oh quick question

if id wanna hook up a 2 switch external pedal as an on and off switch for both the surfy reverb and trem would i use a stereo jack?

Yes. Use shielded wire!

image

Ok cool
And to make sure im doing everything right
To connect the reverb abd trem together i hook it up lolike this?

image

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Last edited: Mar 08, 2022 12:50:59

Is there a way u can add the dual pot mix mod with a switch to change witch pot is active but also have it switched by the footswich as well

SHADOWNIGHT5150 wrote:

Is there a way u can add the dual pot mix mod with a switch to change witch pot is active but also have it switched by the footswich as well

The easiest way to do this is by using a relay.
There are many types of relays but basically they work like this:
https://www.superbrightleds.com/blog/what-is-a-relay/2261/

N0_Camping4U wrote:

I just saw this video on Youtube

https://www.youtube.com/watch?v=dQJTb8BVsKY

Is there anyway to have this built? Anyone out there taking on builds? Willing to pay 600 for it.

bjoish wrote:

SHADOWNIGHT5150 wrote:

Is there a way u can add the dual pot mix mod with a switch to change witch pot is active but also have it switched by the footswich as well

The easiest way to do this is by using a relay.
There are many types of relays but basically they work like this:
https://www.superbrightleds.com/blog/what-is-a-relay/2261/

So how eould i go about wiring one up to do what i need?

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Last edited: Mar 08, 2022 12:50:18

I just saw this video on Youtube

https://www.youtube.com/watch?v=dQJTb8BVsKY

Is there anyway to have this built? Anyone out there taking on builds? Willing to pay 600 for it.

Hoping to find someone looking to take on a build.

image

REVERB PANEL ARRIVED

Hey, all. Just slapped an old Gibbs tank in my SurfyBear reverb. Sounds pretty damned okay to me. However, I happened to notice on the SurfyBear FAQ that he specifies a tank with in/out impedances of 8 Ohm/2250 Ohm. The tank I used was more in line with what you'd find in the original 6G15, namely 1.25 Ohm/175 Ohm (as measured R, not true impedance.)

Like I said, it sounds fine to me, but I am wondering what is up with the specification at SurfyBear. Any clues?

SSIV

Last edited: May 13, 2019 21:25:39

LHR - The Surfybear specs are for the actual impedance, which is going to be notably different than the resistance values like you measured. If I recall correctly, the values you measured on your tank are what you would find for a pan that had 8 Ohm and 2250 Ohm input/output impendance. So you are good to go.

Managed to pick up some aluminum sheet for £2 from a street market today, almost the last missing piece before I assemble my Surfy and trem.

Three simple questions, TIA for any suggestions.

1: both the reverb and the trem specify 12V, 1A PSU. Is that a generous estimate, what do people here with dual units use? IE might I be ok with (the much more common) 1.5A supply?

2: I'm just a bit short on space, have to fit all five control, jacks, and switches into around 250 mm. Tragically, I don't have space for a Fender-style jewel lamp for mains off and on. Can anyone suggest a good looking light that's smaller? Or even an attractive LED Bezel, perhaps with jewel? In that case I could use similar ones for mains and tremolo speed.

3: Is the little toggle switch with the trem SPDT?

Last edited: May 17, 2019 10:48:14

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Last edited: Mar 08, 2022 12:49:56

Thanks. Yes, I know that impedance will be different than just measuring the resistance across leads. But this seems like a big -- and, more importantly, disproportionate -- difference in values.

Again, not that this matters much; the thing sounds pretty good!

edwardsand wrote:

LHR - The Surfybear specs are for the actual impedance, which is going to be notably different than the resistance values like you measured. If I recall correctly, the values you measured on your tank are what you would find for a pan that had 8 Ohm and 2250 Ohm input/output impendance. So you are good to go.

SSIV

LHR wrote:

But this seems like a big -- and, more importantly, disproportionate -- difference in values.

Here's the Accutronics table showing DC resistance and impedance for each pan:
http://www.accutronicsreverb.com/design/default/images/sub_05/impchart.jpg

8 Ohm input is around 0,8 Ohm dc resistance
2250 Ohm output is around 200 Ohm dc resistance

Your values 1.25 Ohm/175 Ohm are perfectly in line with that.

Last edited: May 17, 2019 15:41:47

Nice! Thanks.

j_flanders wrote:

LHR wrote:

But this seems like a big -- and, more importantly, disproportionate -- difference in values.

Here's the Accutronics table showing DC resistance and impedance for each pan:
http://www.accutronicsreverb.com/design/default/images/sub_05/impchart.jpg

8 Ohm input is around 0,8 Ohm dc resistance
2250 Ohm output is around 200 Ohm dc resistance

Your values 1.25 Ohm/175 Ohm are perfectly in line with that.

SSIV

Paul_T, because this is 12 volt, automotive led's will work. I used that on mine without a nice enclosure. They are available in many colors.

Ah, the LED is 12 volt? I wasn't sure, so that's really good news. Thanks. Your build looks great.

I've ordered these. Will update if they look good (and if they arrive)>

https://www.aliexpress.com/item/6mm-LED-Metal-Indicator-Light-Waterproof-Signal-Lamp-3V-5V-6V-9V-12V-24V-110V-220v/32847690713.html> >
image

Last edited: May 18, 2019 03:52:00

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