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I recently picked-up an old Hammond M-111 Organ, which has a
tube-powered reverb unit.
What I'm wondering is if there is a way to pull the unit & amp and
adapt it to use with guitar (if anyone in this group has tried this).
???
Hi Reverend Rob,
Although not a tube reverb, I use an old Farfisa organ reverb for
guitar.
This is a little tank called the FA/R that came with Farfisa's portable
organs in the sixties.
After playing it for a while, I wanted a bit more wet reverb in it and
Roland Bettenville was so nice to give it a good look over and he
raplaced a cap (or two) This resulted in a more guitar friendly wet
reverb.
I'm sure it is possible to create a stand alone tank with the Hammond's
spring unit. If the cuircuit board is a separate as well.
I'm not sure on how much trouble it will be and if it will be worth all
the trouble.
Jerry S.
-----Original Message-----
From: reverbrobot [mailto:]
Sent: woensdag 24 maart 2004 3:57
To:
Subject: [SurfGuitar101] Reverb tank question.......
I recently picked-up an old Hammond M-111 Organ, which has a
tube-powered reverb unit.
What I'm wondering is if there is a way to pull the unit & amp and adapt
it to use with guitar (if anyone in this group has tried this).
???
.
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--- In , "Jerry" <jerry.soetewey@b...> wrote:
> Hi Reverend Rob,
>
> Although not a tube reverb, I use an old Farfisa organ reverb for
> guitar.
> This is a little tank called the FA/R that came with Farfisa's portable
> organs in the sixties.
>
> After playing it for a while, I wanted a bit more wet reverb in it and
> Roland Bettenville was so nice to give it a good look over and he
> raplaced a cap (or two) This resulted in a more guitar friendly wet
> reverb.
>
> I'm sure it is possible to create a stand alone tank with the Hammond's
> spring unit. If the cuircuit board is a separate as well.
> I'm not sure on how much trouble it will be and if it will be worth all
> the trouble.
>
> Jerry S.
>
I'm not sure if it will be difficult, as I haven't really delved into
the guts of the unit. I think it will sound okay, as (I believe) this
is the same reverb tank used on some Fender amps of that era.
I'm no expert, but I think that the Hammonds had a separate amp and
a separate reverb assembly - I've heard of people scuttling old
Hammonds to extract the amp section to use for ham radio purposes
(of course, there could be some guitar amp applications there too!).
The "original" Hammond organ reverb units were used as the basis for
the Fender 6G15 circuit, so if you have an older organ, you may have
something pretty close to a vintage reverb tank circuit. Of course,
you'll have to deal with power supplies, mounting the reverb pan,
and stuff like that, but I think you have a good chance of getting a
decent reverb unit out of that thing.
Let us know how it goes!
-Dick
--- In , "reverbrobot"
<reverbrobot@y...> wrote:
>
> I'm not sure if it will be difficult, as I haven't really delved
into
> the guts of the unit. I think it will sound okay, as (I believe)
this
> is the same reverb tank used on some Fender amps of that era.
--- In , "Dick" <rmessick2@c...> wrote:
> I'm no expert, but I think that the Hammonds had a separate amp and
> a separate reverb assembly - I've heard of people scuttling old
> Hammonds to extract the amp section to use for ham radio purposes
> (of course, there could be some guitar amp applications there too!).
>
> The "original" Hammond organ reverb units were used as the basis for
> the Fender 6G15 circuit, so if you have an older organ, you may have
> something pretty close to a vintage reverb tank circuit. Of course,
> you'll have to deal with power supplies, mounting the reverb pan,
> and stuff like that, but I think you have a good chance of getting a
> decent reverb unit out of that thing.
>
> Let us know how it goes!
>
> -Dick
>
>
After getting into it, it looks like the amp that is connected to the
reverb unit may power one of the three speakers in the organ chassis,
which isn't an altogether bad idea, if I could just get a separate
cabinet with a speaker for it to power, and some way of regulating the
volume to the cabinet.
