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#1 |
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diyAudio Member
Join Date: Jun 2004
Location: Indiana
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Would like to make a trade.
I have two OPTs from an early 60s vintage RCA console. They were used for EL84 into 4 ohm loads. I removed the amplifier a few months back at which time the output stage was working fine (I had some crackle after warm up but I would attribute that earlier circuit elements. These are hum bucking OPTs where B+ comes in not at the end but part way down the winding and the screen and preamp power is take from the end closest to the B+ tap. The primary is about 6200 or 6400 with 4 ohm load depending on whether you use just the part intended for the plate circuit or the whole primary. Voltage ratios are 44:1 entire primary 40:1 intended primary 5.3:1 bucking section I have no need for these trannies but I do need something of similar size with 5000 ohm primary at 8 ohm secondary. These will be used for SE 6EM7 amp. Super bass response not critical as will be used above 100Hz primarily. Something like the $18 edcors would be perfect. Located north central IN. mike |
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#2 |
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diyAudio Member
Join Date: Jun 2004
Location: Indiana
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Arrangements for a trade have been made.
mike |
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