That will depend on the input impedance of what you are driving.

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In Reply to: Output Coupling Caps updated for Marantz 7 posted by Tube747 on January 30, 2025 at 05:19:59:

According to this schematic the stock cap is .22uf
If your amp has a input impedance of 330k then the .22uf cap is large enough.
With an input impedance smaller than 330k it will not be.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
https://www.thetubestore.com/lib/thetubestore/schematics/Mar (Open in New Window)

Edits: 01/30/25

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Follow Ups Full Thread

Topic - Output Coupling Caps updated for Marantz 7 - Tube747 05:19:59 01/30/25 (5)

RE: Output Coupling Caps updated for Marantz 7 - Chip647 07:03:12 01/30/25 (3)

RE: Output Coupling Caps updated for Marantz 7 - Tre' 07:24:37 01/30/25 (2)

RE: Output Coupling Caps updated for Marantz 7 - Tube747 04:56:50 02/03/25 (0)

RE: Output Coupling Caps updated for Marantz 7 - Tube747 14:15:25 01/31/25 (0)

That will depend on the input impedance of what you are driving. - Tre' 06:39:40 01/30/25 (0)

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That will depend on the input impedance of what you are driving. - Tre' 06:39:40 01/30/25 (0)

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