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In Reply to: RE: opps..... posted by rockdoc on August 07, 2017 at 18:59:09
I'm building another variation of the 'EL Cheapo' circuit. This time I will use some National Union 6V6 tubes I recently purchased as the output tubes and Mullard E180F as the phase inverter/driver tubes. I am using some old Stancor amplifier chassis and my external power supply I built for these PP 6P14P and 6V6 amplifiers.
I might have to try building the El Cheapo too, for the Soul Superfly speakers I have.
I think it is an excellent topology. This will be my third iteration. The previous two are using the 6P14P as output tubes and the 5670 and 6N1P as the driver/phase splitters. The first was built on a Scott 299B and the second on a SCA-35 chassis. I built an external 250mA power supply for the Dynaco as the Dynaco power transformer is rated at 180mA and the amp was drawing 200mA with both channels driven to clipping. I will re-use the PS for the E180F/6V6 version. The E180F is triode connected.
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