[futurebasic] Re: [FB] [X-FB] Recording sounds from tape

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Home   : October 1999 : Group Archive : Group : All Groups

From: David Cottrell <David.Cottrell@...>
Date: Mon, 11 Oct 1999 11:19:34 +1000
>Rick asked:
>
>>I would like to transfer some pre-recorded sounds from cassette tape to
>>my Mac's hard drive.  I would imagine this would involve some kind of
>>special patch cord into the Mac's microphone input.  Has anyone had any
>>experience doing this?
>
>Yes. I've fought my way through this. It is a pain.
>
>There were 2 types of Mic input used on most Macs. One uses a standard 1/4"
>jack the other uses a longer version of a 1/4" jack. Earlier Macs (IIsi
>era) applied power to the Mic connector since the Mics supplied were
>condenser Mics. I don't know what the later PlainTalk Mics (longer
>connector) used as Mic capsules, but you couldn't use the earlier Apple
>Mics with this sort of Mac Mic Input. Maybe the voltage was applied to the
>longer part of the plug. What I did was to butcher one of these Mics to get
>a connector, then soldered RCA Jacks on the other end. (or a Standard 1/4"

Ahhh!!!! Don't do this! Your pulling 5V off the port and then pumping it
into the output RCA jack. You were lucky you only got hum and not a bang!

Use a short 1/8 jack to RCA and many of your problems will go away.

David

PS. I use a Large capsule mic through a seperate power supply, a pop filter
and a mic pre amp all before it gts near my mac.