Eico HF-30 question

Vintage Asylum

Classic gear from yesteryear; vintage audio standing the test of time.

Hi all, rebuilt one of these but went off the 7247 schematic instead of the 6C4/6AV6 schematic regarding the power supply rebuild, the difference being the inclusion of an 80 ohm resistor before the screen and plate supply cap and the 310 v rail. In other words, same cap input (40 uf) followed by the 80 ohm then 40 uf and the 33K 20 uf 310 v rail. The original was 40 uf that was the plate & screen followed by 33k and 20 uf for the 310 v rail. So, a bit more capacitance and a CRC supply, rather than just C. All voltages are on point except the cathode, its at 11.8 voltages rather than 15 on the 7247 schematic, and I have no voltage numbers for the 6C4/6AV6. Sounds good at this point, thanks!

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Topic - Eico HF-30 question - gkargreen 08:32:21 05/29/17 (3)

RE: Eico HF-30 question - Michael Samra 10:19:38 05/29/17 (2)

RE: Eico HF-30 question - gkargreen 18:53:18 05/29/17 (1)

RE: Eico HF-30 question - Eli Duttman 20:45:29 05/29/17 (0)

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