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In Reply to: questions regarding bias and eq posted by Vinnie on January 1, 2007 at 14:30:12:
On Reel to Reel both bias and EQ are record only functions and these switches on your deck have NO effect on playback.
On Cassette bias is a record only function however Cassette has two playback EQ settings: 70ms and 120ms, choosing the incorrect one will make the recording sound either too dull or too bright.
Basically if a pre-recorded Chromium dioxide cassette says “Compatible Chrome”, “120us Chrome”, or just “Chrome” with only the small notch removed on the top of the headshell it is 120us EQ (Normal).
If a pre-recorded Chromium dioxide cassette says “70us Chrome”, or just “Chrome” with the large notch removed on the top of the headshell it is 120us EQ (Chrome/Metal).
"Music is love"
I think I have been calling it "ms" for decades when my cassettes clearly say "uS" or "us". I don't know where the "ms" comes from other than my salutation.
Please if anyone sees any errors or typos on my web site me know at email@example.com.
I hope it is only a typo. If a pre-recorded Chromium dioxide cassette says " 70uS Chrome " or " Duplicated on Chromium Tape, Requires 70uS Eq " with the large notch removed on the top of the headshell it requires 70uS EQ ( Chrome/Metal ) setting during playback in your deck.
Correct me if this is not true.
I will change all reference on my web site from "ms" to "uS", great catch.
I found another error the other day I have "Direct to Tape Recording Company" listed as "Reel to Real recording company". Reel to Real was a company that sold pre-recorded Reel to Reels.
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