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The thing I don't understand is that you have a 300 Pro. That is a very good amp with a long proven design. I could understand if it was some old beat up POS.
I'm curious what exactly is black-faced?
One of the things that people like to do to 'silverface' era Fender Twins is to mod the circuit design to the earlier 1960's Fender Twin (blackface) amp design. To really do this properly you need to do some pretty hefty things like change out the output transformer. It changes the controls on the amp as well as the tone. I can guarantee that mine did not have the transformers changed out...so really its partially blackfaced. It now has only one volume knob on the lead channel though.
I guess he never sees amps that are working come into his shop. It's always the broken ones, so he probably hates them all.
this is not entirely true. the 85 or 100 watts twins can be blackfaced without changing the trannys. its' the 135 watt twins that can't. but you can you use a zener diode on the B+ supply can get even those twins pretty close w/o changing the power tranny.
Mine is most likely of the 72-77 range. I've never opened it up, but from all I can tell of the descriptors, it's not a 135w, which is what I'd always assumed.
Don't worry about it mate abject rudeness is a traditional British boffin thing!. So you might get to meet the Basil Faulty of the amp repair business in Faversham who only likes old Hiwatt and Matamps.I would have turned around and drove home. After telling him what he could do to himself. I know that if someone goes into a job thinking it is a POS he will work on it likes its a POS


i've known bike mechanics like that.....they used to have so much fun showing the bolt on biker crowd that the 400 dollar performance part they just bought was actually reducing horsepower.....but these guys could go into their machine shop and make anything you needed,for way less than the cheapo stamped out crap that harley sold....one guy's favorite line was "the box that this came in is the best part of this pos"....The thing I don't understand is that you have a 300 Pro. That is a very good amp with a long proven design. I could understand if it was some old beat up POS.
If it was working, then why would it be in his shop?![]()