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Hey Brian!
Glad to have you among the "converted" ones ! :)
I noticed a big change when I put my NOS tubes in, too. I'd like to report
on my latest mod to the RI reverb tank - I tried the cap mod on cap "C10",
which is right under the "Mixer" control. I had a 500 pf silver mica cap
lying around my parts bin, so I swapped the original C10 cap with the silver
mica cap - I think the mod I saw a while back on the Cowabunga list
recommended a 390 pf silver mica, but what the heck . . .
So I could A/B the change, I removed the original ceramic cap and installed
a DPDT switch and attached the "stock" cap to one side, and the 500 pf
silver mica cap to the other side of the switch. This allows me to switch
back and forth from "stock" to "hot rod" at will. It also allows for a
better comparison of the "before" and "after" sound.
I must say, the replacement with the 500 pf silver mica mod is worth it! It
provides a richer, lusher reverb - it seems to be deeper, with a lot more
presence. Someone suggested to me that it would be cool to do this mod
using a footswitch so you could go back and forth easily while playing.
Neat idea, and certainly possible - however, I find myself using the 500 pf
cap all the time :)
I would recommend it to those who are comfortable with soldering irons - the
entire mod took less than 1 hour from the time I unplugged my reverb tank to
the time I plugged everything back in. If anyone on the list is interested,
I could provide some step-by-step details on the process, including the
switch wiring (very simple).
-Dick
----- Original Message -----
From: "Brian Neal" <>
To: <>
Sent: Saturday, December 01, 2001 1:36 PM
Subject: [SurfGuitar101] Re: Reissue Fender Reverb Unit Mods
> Count me in the converted category. I installed some NOS tubes last
> night and immediately noticed the difference. The harshness is gone.
> Before the change, setting anything above 6 or 7 was getting harsh.
> Now the controls have much more range. At first I thought I had lost
> some reverb, but then I simply turned some knobs up a bit and it came
> back, only this time it didn't have that edge to it.
>
> While changing the tubes I also noticed that I had the pan in the
> locked position the whole time! I unlocked it and it didn't seem to
> make much difference to the reverb, which was kind of odd. Except now
> kicking the unit produces a much more impressive crash that lasts a
> lot longer :^)
>
>
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