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When it works right is the key. I fixed the BR within 6 months of owning it, installed 2 cooling fans, replaced all the electrolytics &...
I've had the 401 & currently have the 40C. It blows the 401 away sound wise & reliability wise. Although circuit board conductivity issues have...
I'm in the USA & used these https://www.parts-express.com/cat/air-core-inductor-crossover-coils/297
Central PA here. Between Harrisburg & State College.
you can do the same thing with the MXR 10 band eq & also adjust the eq of the amp at lower levels
You will need 2. The 40C has a bias pot for each power tube.
I did it with mine. I have it documented in this thread somewhere.
How tight are the screws that hold the speaker in place? If they are too tight the voice coil can rub against the frame & keep the speaker from...
More often than not, its the only intelligent conversation I have all day.LOL
It looks like most of the power supply stuff is in the upper right hand corner. I assume the fuse is OK. Is there another fuse in the socket the...
Is there a battery inside.
Are you gonna stack em upside down? I certainly would.
I certainly do not hear much difference.
Again, Nice Work John
I use mine every day