Eico HF-32 PEC Loudness Circuit

Tubes Asylum

Questions about tubes and gear that glows. FAQ

The Eico HF-32 integrated amplifier has two printed electronic circuits (PEC) units in it. I have the schematic for the PC1 P/N 29751 circuit which interconnects with the treble and bass controls. There is a second one (PC2) that performs the loudness compensation attached to the tapped volume control circuit. Does anyone have information on the internal parts values? There is no Eico P/N for PC2 listed in the service manual and no schematic of the internal parts for either PC1 or PC2 is in the service manual. I did find the schematic for PC1 online, but no one I have found so far has information on the PC2 that connects to the volume control loudness taps (two in this amplifier).
Joe

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Parts Connexion

Topic - Eico HF-32 PEC Loudness Circuit - strijw426 13:42:06 03/25/15 (11)

RE: Eico HF-32 PEC Loudness Circuit - strijw426 04:25:02 03/27/15 (3)

HK Loudness Circuit - Triode_Kingdom 09:16:55 03/28/15 (2)

RE: HK Loudness Circuit - strijw426 14:25:20 03/28/15 (1)

Here's one more... - Triode_Kingdom 09:26:28 03/29/15 (0)

RE: Eico HF-32 PEC Loudness Circuit - strijw426 11:54:04 03/26/15 (3)

RE: Eico HF-32 PEC Loudness Circuit - DAK 12:31:36 03/26/15 (2)

RE: Eico HF-32 PEC Loudness Circuit - strijw426 14:48:32 03/26/15 (1)

External Measurements - Triode_Kingdom 15:48:50 03/26/15 (0)

RE: Eico HF-32 PEC Loudness Circuit - strijw426 14:35:48 03/25/15 (1)

RE: Eico HF-32 PEC Loudness Circuit - Chip647 04:45:48 03/26/15 (0)

RE: Eico HF-32 PEC Loudness Circuit - Chip647 14:18:15 03/25/15 (0)

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