[HAM] Percussion & Matching Transformer

[Jordan Kersten]

Now I was aware of this resistor and it's function.  But there are no other differences?  



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> Date: Thu, 10 Jan 2008 13:31:31 -0800
> To: hammond at zeni.net
> From: organfreak at donobi.net
> Subject: Re: [HAM] Percussion & Matching Transformer
> 
> At 12:48 PM 1/10/2008, Jordan Kersten wrote:
>>Does anyone know exactly what the difference between a B2 and B3 matching 
>>transformer is?  I know that the B3's have some sort of a resistor that 
>>has to do with percussion volume, and the B2's wouldn't have this.  Are 
>>the transformers themselves the same? Can you modify a B2's transformer 
>>with the percussion circuitry it needs? Or would you have to replace the 
>>B2 transformer with a B3-style one?  I am converting a B2 to a B3.  I now 
>>have tracked down the plate with percussion tabs, the AO-28 preamp, smooth 
>>drawbars and even a newer style vibrato line box.  I have herd that they 
>>have different transformers.  Can anyone comment on this?
> 
> Other than the resistor, they're the same, or close enough. You don't want 
> to put that resistor in there; most folks take 'em out. It's not necessary 
> for the operation of the percussion. What it does is to lower the output of 
> the upper manual when percussion volume 'normal' is engaged. Nobody likes 
> this effect. Don't worry about this.
> 
> 
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