[HAM] Overdrive

[Drew Hoelscher]

I thought I read an interview with Rolie in Keyboard magazine where he 
talked about using a Bill Beer chop to get that trademark sound...

- Drew

wtimm6801 at aol.com wrote:
> I thought I picked up on the "growl" sound on the Root Down live 72 album.  I could be wrong.  I've talked to Gregg Rolie after a concert in Oshkosh once, and he said he's always been all stock since the first Santana shows in in think 1967.  He said it's always been a Hammond B3 (usually early 60's B3) and 122 Leslies (1 miked leslie, sometimes one more for Mike Sherive the drummer as a monitor).  He had one 122 at this concert with two treble mics and 1 bass rotor microphone.  He did have a standard on/off round stomp box next to the expression pedal, but he never used it during the show.  I didn't ask him what it was for, but probally a mute or something is case something goes wrong with the organ(?)  He uses a standard half moon Chorale/Tremalo switch so I doubt the box was for the leslie...
> Anyways, I digress.
> I think I get what your saying though, the signal in to leslie or tone cab from the organ has to be hot which would matter then how high the leslie preamp was turn up.
> Does that sound right?
> Thanks again
>  
>  
> -----Original Message-----
> From: scott195 at centurytel.net
> To: hammond at zeni.net
> Sent: Wed, 15 Nov 2006 10:43 AM
> Subject: Re: [HAM] Overdrive
>
>
> At 09:02 PM 11/14/2006, wtimm6801 at aol.com wrote:
>   
>>  Hello, I've read the articles saying how to add gain to the preamp AO28 
>> swell capacitor for 
>> overdrive. 
>> (http://www.dairiki.org/HammondWiki/HowtoAdjustThePreampDriveLevel)  It 
>> seems by this method that you have to have the expression pedal floored, 
>> the leslie volume knob to 10, and the organ loud as hell to get the 
>> growl.  My question is, how do players like Jimmy Smith or Gregg Rolie 
>> get that great overdrive sound from, say, playing 868000000 on the lower 
>> manual and a half leaned expression pedal at low volumes?  Exactly what 
>> amp is overdriving, the Hammond or the Leslie's... or both?
>>     
>
> Dylan,
> Unless something is wrong with the organ, overdriven sound comes from the 
> Leslie when the signal fed into it is "too hot."
>
> I believe that Rolie played non-stock equipment but I could be wrong. In 
> regards to Jimmy Smith, could you reference some recordings that have that 
> sound on them? I don't really think of his recordings as having a real 
> overdriven sound and I doubt that he would have wanted it. Also, Jimmy's 
> lower manual setting was always 838 or occasionally 848, if it matters.
>
>
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