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As Mick said, check the HT fuse if there is one, I'm not familiar with this amp. If that fuse is OK I would do a signal trace to find where the signal is...
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Yeah, I saw a lot of BS about him over the years on the web. I found my experience dealing with him to be quite the opposite. Got into a lot of pissing matches...
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RIP my friend. I have 4 of his books including one he autographed and sent me along with a payment he sent me for some work I did for him. We used to communicate...
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Didnt look at it on the scope but I was monitoring the cathode voltage and only saw drastic changes when the control was all the way up and all the way d...
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While it was on my list of things to check, I was gonna start at the input and work my way to it. As I was staring into the chassis I decided to start with...
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A couple volts higher than the schem, normal for todays higher line voltage.
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I put this tranny in. It is a Heyboer made for BF Champ. Red to B+ blue to plate, unless it is wired backwards internally. And I would think it would still...
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So, I spoke too soon. Everything looked good on the scope, no problem with the cathode voltage. I just connected a speaker to it to plug a guitar into it...
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So I got it working good today. I went and checked the coupling caps for dc leakage, all good again. I mentioned a small cap between the grid and cathode...
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Gotta go back and check, I did check when I did the voltage check before connecting the scope and signal gen. I get what you are saying about the 5watt cath...
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The tube tester I use is a modern computer controlled "U-tracer". It doesnt show shorts, if there is a short it wont show where, it just doesnt...
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Fender Vibro Champ
Got a 66 Vibro-Champ on the bench. Owner said he got it new in 66. Hadnt used it in years and it was stock. When I opened it up the first thing I see is that...
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Try angela.com You say its acting like a tone control. Are you sure its not wired as a tone control?
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I've got the same thing but a different manufacturer. I got it about 20 yrs ago on ebay from Israel.Empties out those eyelets on the Fender boards quick and...
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I'd go with the re-cap first. Quite often these used old stock tubes are far better than current production.
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Well, whatcha expect? You're in Canadia, isnt everything sideways up there?...
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If the output is cathode biased, try connecting that "fake Center Tap on the Heater with 2-100R's" to the cathode of your power tube instead of...
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