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|10th April 2013, 09:02 AM||#1|
Join Date: Apr 2013
output transfo problem
hello, im new on this forum., i have a question, i have E'I' core with 1" center leg from 3 ampere power transformer that i salvage lately, my plan is to build my own guitar tube amp and plan to rewind and use it as my output transformer. would it be good for it? i have my power tube 2x6L6GC and have 3x12ax7. Spec on 6l6 that i soon to build Typical Operation, Class AB1, Audio Power Amplifier (Values for two tubes)
DC plate voltage 450 V
Screen grid voltage 400 V
Control grid bias voltage -37 V
Peak AF grid-to-grid voltage 70 V
Zero-signal plate current 116 mA
Maximum-signal plate current 210 mA
Zero-signal screen grid current 5.6 mA
Maximum-signal screen current 22 mA
Load Resistance, plate-to-plate 5600 ohms
Total harmonic distortion 1.8 %
Maximum signal power output 55 W..
my problem is how to determine primary turns and awg wire no# for pri and sec. plz help .. thank you very much all if adress some answers on this,good bless all DIYer's and more power tube .
|10th April 2013, 12:46 PM||#3|
Join Date: Jan 2003
Location: mississauga ontario canada
The material used for power transformer will have significant power losses at higher frequencies (audio).
Research how big a 55W audio transformer is and compare that with what you have.
Hammond Mfg. - "Classic" Push-Pull - Tube Output Transformers - (1608 - 1620, 1645 & 1650 Series) for starters.
Doug We are all learning...we can all help
"You can't stop the signal, Mal. Everything goes somewhere..."
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