Have a look at the underside of the power amp board.
The larger components, such as transistors with large unsecured heat sinks, tend to break off the...
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My only suggestion for boogie is put in sockets -- for ICs and relays if there are any.
If you are lucky, shorted part gets very hot, and might...
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I've done it for decades.
How did I "ever" get by without your negativity?
"I put it in the amp and it blows up."...
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Put @X10uF in series for = 5uF. Or use 4.7 uF
The bass is going too subsonic maybe from using 10 uF.
For sure electrolytic goes bad with...Last edited by soundguruman; 05-23-2014, 02:38 PM.
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The ECG and NTE cross reference books, and the Japanese transistor manual, are some of the best resources.
These will help you find transistors with...
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yes black to green is a winding and should have continuity.
seems like it's a speaker disconnected somewhere?...
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"70/75mA when cranked and hit hard"
Open (bad) speaker, bad speaker cable, speaker jack(s) broken / disconnected, impedance selector...
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XP can run pretty good with $10 security, like Panda internet security.
although panda has advertising, it keeps it pretty safe without MS updates....
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I am building Marshall 2204 in a Hot Rod Deluxe Cab, I had the same inspirations.
...Last edited by soundguruman; 05-22-2014, 07:10 PM.
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"As your credibility here is a just a trifle shaky (to say the very least ;-)"
Because the guy sleeping in the back of the van says...
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It's dweebs, not dweeds.
I invented the word, so I should know.
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I think that when you have 2X mixed speakers,
probably the music store only had one of each in stock, and told you that mixing them would sound better....
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It may be a bad preamp tube. No signal should be on pin 10, that's the power supply.
Check R204, R 207 is there voltage on both sides leads of the resistor(s)?...
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I don't think it's a D3F, but it's similar.
You can get it in the Switch craft catalog.
Don't give up, keep looking, it's there....
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This tranny is made by "Keen Ocean" in China.
You cannot buy one from them. They do not answer emails, either.
And, as you noticed,...
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The fan is not supposed to run all the time, it has a temperature sensor that makes it speed up and slow down, or stop.
The fan control could have been...Last edited by soundguruman; 05-20-2014, 02:43 AM.
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You can be sure that Hartke will never sell you a transformer. Even though there are dozens of them at Hartke.......
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That's a Kazoo.
This is a guitar speaker:
And for those who do not have roadies, to carry your EVMs...
There...Last edited by soundguruman; 05-19-2014, 03:38 PM.
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