Big G,
Or, you can leave your DXR20 hooked up to the A (to provide B+ voltage), and
ADD the Leslie of your choice, and select either or both with a classic
half-moon Echo switch!
BCV-KG
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-----Original Message-----
From: Raul de Jalapeno [mailto:raul_de_jalapeno@...]
Sent: Tuesday, February 19, 2002 10:41 PM
To: hammond_zone@...
Subject: Re: [hammond_zone] Leslie speaker question
George,
You got it. Leslies come with different cable types (6, 9, 11
pin), depending on how they are designed. Some of the design
considerations are: pre-amp level connection from the
console/speaker level connection from the console, availability
of B+ feed for the console, inclusion of a reverb channel, etc.
and several others. Goff, Speakeasy and a host of others carry
the adapter kits to make your A match the Leslie you choose. Best
to run your choice by the group first, since folks like Chris
Clifton, Steve Hayes and others can give you the upshot on what
adapters are available, etc. Now, as regards "B+": That's the
high voltage that's needed to operate the vacuum tube elements in
the preamp. For consoles like your A, my CV or Ken Godfrey's BCV,
the B+ is supplied by the tone cabinet's power amplifier. In my
C-3, the power supply components are built into the pre-amp. So
if you set aside your tone cabinet for a Leslie, we have to
supply this voltage (+200, to be exact) from another source. It
can come from SOME Leslies, or the add-on power supply I mentioned.
Raul
----- Original Message -----
From: gdhiatt@...
To: hammond_zone@...
Sent: Tuesday, February 19, 2002 8:24 PM
Subject: Re: [hammond_zone] Leslie speaker question
In a message dated 2/19/02 9:11:13 PM Central Standard Time,
raul_de_jalapeno@... writes:
> Hi big G!
> All your A would need is a B+ supply. Many models of Leslies
have such a
> supply ready for the console. The alternative is to purchase
a B+ supply
> from Goff, Prokeys, etc. and install it in the console. I can
also supply
> you with a schematic for a simple, well-filtered supply to do
the job in
> your choice of tube or solid-state. I cheated with my CV: I
installed a
> Hammond MkIV reverb assembly right into the console cabinet.
I modified
> it's power supply to provide the B+ for the pre-amp.
So what you are saying is that pretty much any model of Leslie
would work and
a B+ supply is readily available? What's "B+" mean? Would the
6 pin cable
and plugs still work or does this require something different?
I think what I'm going to do is find the Leslie and know
there's a way to
make it work and then worry about the how to do it part after
I've got the
goods!
Thanks you for your help!
"Big G" :)
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