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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: RE: Croft Series X info posted by bcarlos on July 18, 2023 at 10:09:26:
It would appear that the driver tube is the 12AT7 (ECC81) and the input voltage amplifier tubes are the 12AX7s.
This amp likely uses negative feedback. So it would need the gain of the 12AX7s to be successful at that.
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Follow Ups
- Based on the information you have - Ralph 14:26:10 07/19/23 (1)
- RE: Based on the information you have - bcarlos 16:04:01 07/19/23 (0)
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