Amp Problems

General Gear Discussion - effects, synths, etc.

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metalmariachi
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Re: Amp Problems

Post by metalmariachi »

Otay…

On the Twin If the Tremolo (Leo needed a dictionary)/ reverb channel doesn’t work
ie no sound, check the 2nd and 4 th pre amp tubes. Those are the t/r ch preamp and reverb recovery tube all the signal on that channel pass through both.

You know the 1st preamp tube works and the phase inverter, and power tubes work.

MM
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adrianlee
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Re: Amp Problems

Post by adrianlee »

metalmariachi wrote:Otay…

On the Twin If the Tremolo (Leo needed a dictionary)/ reverb channel doesn’t work
ie no sound, check the 2nd and 4 th pre amp tubes. Those are the t/r ch preamp and reverb recovery tube all the signal on that channel pass through both.

You know the 1st preamp tube works and the phase inverter, and power tubes work.

MM



Buying pre amp tubes tomorrow and changing them all out!
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Wizard
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Re: Amp Problems

Post by Wizard »

please dont get ruby tubes.


i like NOS GE/Sylvania/RCA for all my various fender needs. because to be honest, nothing is going to sound better than vintage NOS USA made tubes in a vintage USA made amp.

one of my buddies helped design the fender 400 based off of the 6550's it uses, and he said it was GE or bust.

currently i've got a quad of sylvania's powered by RCA pre tubes. my RCA quad died.

it sounds like the best thing ever.


:thumb:
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adrianlee
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Re: Amp Problems

Post by adrianlee »

Wizard wrote:please dont get ruby tubes.


i like NOS GE/Sylvania/RCA for all my various fender needs. because to be honest, nothing is going to sound better than vintage NOS USA made tubes in a vintage USA made amp.

one of my buddies helped design the fender 400 based off of the 6550's it uses, and he said it was GE or bust.

currently i've got a quad of sylvania's powered by RCA pre tubes. my RCA quad died.

it sounds like the best thing ever.


:thumb:



Some more very good info!
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adrianlee
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Re: Amp Problems

Post by adrianlee »

It was the 5th preamp tube.....?


Problem fixed, though. And for only 20 bucks?

Beers on me tonight!
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Re: Amp Problems

Post by aussy »

send me your emperor 2x12 so I can combine it with mine to make a 4x12...
:thumb: for fixing the problem yourself, imagine how many guitarists would have taken it to a tech to be ripped off for <10 minutes of work due to minimum bench fees
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Re: Amp Problems

Post by adrianlee »

I will soon have another 2x12--gotta save up enough dough. Gonna run stereo, it'll be sweet.

Yeah, my tech isn't bad, $20/hour....So, I saved myself roughly $20 bucks.
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Re: Amp Problems

Post by retinal orbita »

adrianlee wrote:It was the 5th preamp tube.....?


Problem fixed, though. And for only 20 bucks?

Beers on me tonight!


Solve your friends amplifier next!!
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Re: Amp Problems

Post by adrianlee »

Solve your friends amplifier next!![/quote]


Confused. :idk:
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Re: Amp Problems

Post by adrianlee »

Forgot to mention...

Had a full practice tonight with the twin. She was perfect.

Thank you guys! :joy:
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