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Date: Wed, 29 May 2002 05:59:14 -0400
From: "Chris Hammond"
Subject: Re: Bassman '59 RI (yet another bunch of questions)

I usually set my prescence on 4. I have set it in some instances higher. I
would say to use your ear. The higher you go in my experience, the harsher
the sound.

As far as preamp tubes, selecting the lower gain tubes lets you get breakup
at lower volumes. The lowest of the low is 12AU7 which if you put it in
slot one (or actually more than one slot) you will get breakup at
successively lower volumes. The gain factors for the tube amps can be found
on this page

http://users.erols.com/bluestat/preampgain.html

Also, as far as the mid control for the Bassman goes, I have found this to
have the biggest impact on volume, feedback, etc. Judicious use of this
control can pretty heavily impact your tone

>From: David Garcia
>To: Chris Hammond , harp~arply.com
>Subject: Re: Bassman '59 RI (yet another bunch of questions)
>Date: Tue, 28 May 2002 13:06:51 +0200
>
>
>Hello, Chris
>
>Thanks for your answer, it's been of great help. I'll put the rectifier
>tube definitely. I guess I'll try some preamp tube combinations, but
>probably won't change too many, because I mostly gig in small/medium size
>places, so needing a lot of volume to get a good overdrive breakup might be
>a problem. Regarding equalization, in my Princeton Reverb I set the treble
>to 2 and the bass to 8, and in my brown Princeton I set the tone control to
>1 or 2. I never had an amp with mid control, but I supposed it had to be
>set as you said. What about the presence? None of my amps has a presence
>control and I don't know how it works exactly. Any advice?
>
>Thanks in advance.
>
>David
>
>
>>Hello,
>>I have been using a Bassman RI for harp for about 11 years now. I had one
>>for a while, sold it to try some other stuff, and have recently bought
>>another one. To your questions
>>1. A very durable amp with no breakdowns (even with rough handling)
>>2. Repairable by any competent amp tech. Point to point is easier to
>>repair since you can get by with some fairly sloppy soldering.
>>3. I have tried innumerable tube combinations, so you need to fiddle a bit
>>for your best sound. The one I like (from right to left looking at the
>>back of the amp) 12AY7-12AX7-12AX7-2 Phillips 6L6GB's - 5U4GB Rectifier
>>tube.
>>The rectifier tube is important as it reduces the gain and gives you a
>>little more mushiness. A good guy to talk to here is Lord Valve
>>(LORD_VAL~rodigy.net)
>>
>>The key is to try different tube combos out with your mic and volume
>>level.
>>You can also try 12AU7, 12AT7, etc in the preamp tube sockets for
>>different sounds. You need to get the colume control cranked up to get a
>>proper breakup.
>>
>>You also want to set the treble and mid fairly low (3-4) and the Bass on
>>9-10 to reduce feedback.
>>
>>Hope this helps
>

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