So other than using the 240 tap, the rest stays the same?
Someone told me to use a lower rated fuse.
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Thanks Dave....i was going on what my buddy told me but 240V is right.
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5F6A build: first time using 220V tap
Hi guys,
I've built over 10 5F6A's over the years and have to build one for 220V mains.
I'm going to be using the Classictone 40-18029...
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Thanks guys.
As of posting last night, it cut in and out once more then was fine for the rest of the evening. I couldn't get the symptoms to reproduce,...
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I'm doing some digging...
This time I turned it on, all tubes seem to slowly light up, I plug in...no sound. I notice all the tubes werent glowing...
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Fender Bassman: sound cutting out
I had a friend ask me if I could tidy up his 57 Bassman (original) that someone had messed with through the years.
I basically disconnected the polarity...
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Diagnosing a Haysee30
I'm having an issue with a Hayseed 30.
A friend asked me to look at it, complaining of half volume/no volume.
First thing I noticed were 2 completely...
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I only removed that ground last night, not this entire time.
On mine, the wire went directly to ground. In your pic, it looks like it goes to the ...
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I will take some measurements tonight.
I have a clean H305 (stock) on hand I've been using as a guide. All 4 jacks seem to be wired ok. I mean, there's...
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So I went through the entire amp loking for shorts or missing/badly soldered components. All OK
I'm getting 6.3V on the heaters.
My 3 HV's (measured...
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Alright, thanks Mark.
I have a show tonight, but will trace and check every connection/component tomorrow
I don't have a signal generator or...
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I've started going over all the soldering and checking for shorted leads.
What's the best way to provide the signal to the 0.2? Just unsolder it from...
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Harmony H306: no output
So I was at my friend's shop and spotted an old Harmony H306. It worked, but sounded real 'old'...basically sounded like it needed new caps and tubes. I picked...
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The 5U4 brought the voltage down to 444V.
I'm going adjust the bias to about 39mA and compare the two and see which I prefer.
EDIT:...Last edited by Jonny toetags; 08-20-2015, 03:25 PM.
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Yeah...it was the first time I actually I took any readings over there. Won't be doing that again.
I have the NOS 5U4's coming in tomorrow.
...
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OK.
So I pulled the chassis and brought them home to my workshop (where I do all my building)
With all tubes pulled except rectifier, I'm reading...
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Just in case, this is my PT: http://www.classictone.net/40-18029.pdf
Right now I have RED/RED connected to my Rectifier.
If I look at their...Last edited by Jonny toetags; 08-18-2015, 02:47 PM.
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I guess there's a benefit in building 2 of the same amp at the same time.
I'm going to test the wall voltage tonight as well before I power up the...
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