Grand 300

General discussion area for tube amps.

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Hellhammer
Posts: 70
Joined: Wed Aug 04, 2010 7:16 am

Re: Grand 300

Post by Hellhammer »

Wow indeed! Seems like I should give this sucker a proper chance then. I actually replaced the caps a while back but I haven't had a chance to try it through a speakercab yet. Did you/your tech check the schematics?
/Stewart
swordbreaker
Posts: 6
Joined: Fri Dec 28, 2012 8:16 am
Location: Germany

Re: Grand 300

Post by swordbreaker »

Guess he used the schematics only for a rough overview, but as far as I know he and his colleague didn´t need it in the end due to their longterm experience.

If I were you, I would check the tubes twice, get some others from ebay and match them in the whole circuit.

I bought some of these tubes and huge amount of them simply do not fit from their electrical properties, a lot of measuring and matching would probably do the trick.

I also asked because of the trannies (maybe also an upgrade) and he told me that they are big enough to handle the power output, so no change/upgrade needed.

Considering the sound quality, I really recommend to give it a try!!
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