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Author Topic: Overtone biasing  (Read 10971 times)
mcinku
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« Reply #15 on: March 21, 2008, 03:46:58 PM »

Thanks for the replies. I haven't had a chance to really play it, other than to know this amp is going to take me awhile to dial in. I like it but don't want to gush until I have actually got the sound I want to hear, but that is for another category. I biased it hot last night. Interesting, the pot to adjust has no slot for a screwdriver so I had to use needle nose pliers..is there a tool I don't know about. Tonight I am going to put some EL34's in it..can't help it I am a tweaker. Mcinku where do you have your OD pot adjusted to, and which side do you read it from to know where say 10:00 is, this may seem like a stupid question but I have to ask. I am pretty sure I got it right just checking. I did not get the gain I wanted, but like I said I did not have a lot of time to play with.
Also have you change that resistor by the trimmer, just trying to get a feel for what makes it be all it can be.
It is definitely a good amp.


So far I didn't touch the amp (except bias thing), I did my homework, so I know what to do, if I want to change something... but before I do that, I must learn what this amp can really do. This is my first D style amp, so there is a learning curve I guess. ...and also, I'm building a combo cab. Until I have this done, it's not smart to mod anything. This cab with the G12-65 will create a certain sound and I'll go from there.
I've learned one thing though,... this is the best amp I ever played and I'm so happy about that.  Grin


 Wink
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jzucker
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« Reply #16 on: March 23, 2008, 07:33:30 AM »

can you get to the pot from outside the chassis or do you have to take the chassis out of the head cab to adjust?
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mcinku
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« Reply #17 on: March 23, 2008, 04:04:19 PM »

can you get to the pot from outside the chassis or do you have to take the chassis out of the head cab to adjust?

...you have to take it out
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