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T-Rex ReplayBoy Schematic
Hi to everyone!
Do someone have a schematic for the T-Rex ReplayBoy?....I am repairing one unit but I need its schematic.
Thanks...Last edited by opacheco; 07-12-2017, 12:12 AM.
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Dear JM Fahey
You know what??....The tone is much better than the amp without any mod, I suered!!.....the almost "perfect" bias match...
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Well I am to finished to repair the unbalanced bias current between the to 6L6 idle currents plates by one simple method showing in the following pic....
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I had measurement the DC resistance of the two half the Output Transformer and found the followings values:
Brown to Red (Tube 1) = 52.27 Ohms...
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Enzo,
I forgot!; this amp don't have any pot for bias adjustment in each tube......how do you can adjust each bias independently?
...
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Dear Enzo,
Fantastic analysis and I am agree with you!....But if I want to have more bias current for better tone, are agree with a change of the zener...
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Hello again, I was late for christmas time, sorry!!.....
Well here the measurement:
Tube Socket 1/Tube 1
Ramdom Measurement:...Last edited by opacheco; 01-07-2016, 03:37 PM.
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The Dude,
Ok, I will send the values later!
Thanks again
Opacheco.
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Enzo,
Thanks a lot for your response!.
I don't take any reading with the old tubes cause the owner pull out the tubes and trashed...
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Music Man Bias Problem
Hi,
I am in the restoration process of a Chassis 1650-RD, 110 RD 50 MM Amp and I changed the 2x6L6 Power tubes the problem is I can't to get...
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I use TAD some years ago and I've never had any problems with TAD never!!....I installed that in my EGNATER rebel 30 and sound very powerful and very very...
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One thing more!...the old Ruby tubes have two numbers for PLATE CURRENT PC and TRANSCONDUCTANCE TC:
PC 36 for 6V6 pair
TC 3100 for the...
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Yes, you are right!!...20 miliampres per tube no sound too bad now!!.....I don't have the new tubes with me, instance I am in the purchase process with this...
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The Dude,
This information say that this Bias Current will be 40mA (miliamperes) that is very high value!.....I have a lot experience in Fenders,...
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Thanks The Dude!!, that is the information that I need!
Opacheco.
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The Dude thanks a lot for your response! but I have this amp and they have the two pots only for bias adjustment for 6V6 pair and EL84 pair respectively on...
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Bias setting for 6V6 and EL84 tubes??
Hi again!
What will be and appropiated Bias Current in miliampres for the 6v6's and the...
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RUBY TUBES Codes
Hi,
If the PC codes stand for PLATE CURRENT under RUBY special test conditions, What is the test conditions used for RUBY TUBES for this code?....Plate...
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Egnater Rebel-30
Hi again!
I am in the repair process of the one EGNATER REBELD-30 Guitar amp. This amp have one output transformer combining the EL84 pair (this...
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Thanks DrGonz78!!....do you have the part identificación list with values?
Thanks a lot agin!
Opacheco....Last edited by opacheco; 07-14-2014, 06:41 PM.
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