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Ampeg jet
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vintagekiki
replied
06-27-2021, 10:09 PM
#1
... primary impedence ...
The only solution is to measure the transformation ratio and calculate Raa.
1)
https://www.radioremembered.org/outimp.htm
Determining Output Transformer Impedance
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vintagekiki
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06-27-2021, 10:25 PM
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vintagekiki
replied
06-27-2021, 08:56 PM
https://www.fullcompass.com/brand/amp-ampeg/accessories/parts-replacement-service/
https://www.fliptops.net/catalog/cat-100056/output-transformers
https://www.loudtechnologies.eu/ampeg/en/?action=home&%3Blang=en
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Valvehead
replied
06-27-2021, 08:04 PM
which OT would you use in this thing ?
https://www.hammfg.com/electronics/t...s/classic/1750
2 , 6V6 and around 350v B+
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Valvehead
replied
06-25-2021, 09:58 PM
thanks boys
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vintagekiki
replied
06-25-2021, 09:09 PM
https://www.creamcitymusic.com/vintage-1960-ampeg-j-12-jet-12w-1x12-tube-combo-amp/
Overview
-Serial #: 010245
-Manufacture Date: October of 1960
-Power Output: 12 Watts
-Tubes: 5Y3, 6V6 (2), 6SL7 (2)
-Controls: Volume, Tone, Tremolo (speed)
-Dimensions: 19'' x 10'' x 14''
-Weight: 21 lbs
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Helmholtz
replied
06-25-2021, 08:52 PM
Typical plate load for 2x6V6 amps is 8k. Output power depends on plate to cathode voltage at full power and typically is between 12W and 20W.
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Valvehead
started a topic
Ampeg jet
06-25-2021, 07:57 PM
Ampeg jet
I cant find this info..... i have a 1962 Ampeg Jet , 12" speaker . 6sn7 preamp tubes . 6V6 power tubes , and a tube rectifier. This one has tremelo.
SO... how many watts were these rated at ? Does anyone know what the primary impedence would be on the OT ?
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