Help needed.y DIY RIAA pick up shortwave radio!

Tweakers' Asylum

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Hello,
I have a simple opamp based DIY Riaa amp. Connected to the line input in my main amp.
When I turn the volume high up (no record playing) i sometimes pick up shortwave radio( is must be that, it's in a foreign language i can not identify)
The amp is in a metal enclusure and isolated cables are used to and from. The internal wirering is with single strand solid core "cable", un-schielded.
Appreachiate some advice . I do not know how to make or use proper coil/chokes or RF stoppers.
Balle

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Parts Connexion

Topic - Help needed.y DIY RIAA pick up shortwave radio! - Balle Clorin 23:29:55 08/08/03 (2)

RF - Jim Hagerman 16:45:25 08/09/03 (1)

Thanks a lot, I will try it today (nt) - Balle Clorin 23:38:07 08/09/03 (0)

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