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echo: tech
to: Russell Tiedt
from: Roy J. Tellason
date: 2003-03-25 20:01:06
subject: 16 rpm LP

Russell Tiedt wrote in a message to Roy J. Tellason:

(Much snippage...)

 RT> 11 Mar 03 04:06, you wrote to me:

Big time lag!



 RT>> Currently looking for a intergrated amplifier I can put real 
 RT>> close to my computer to make life easier, currently I have to
 RT>> pull my computer apart,  assemble next to the Hi-Fi in the
 RT>> lounge, record, then reverse the process,  back to my room where
 RT>> I work on the files and do the transfer to CD-ROM,  which I do
 RT>> not appreciate having to do.

 RT> How long a cable would you need to reach from one room to another?

 RT> From where my computer now sits, to next to my Hi-Fi, about 20
 RT> meters.

Maybe do-able.

 RT> For an amp you can do well with not very much hardware,  if you don't
 RT> want a whole lot of power.  I built a little box some time back after
 RT> I snagged a pre-done board that had been set up for a "stereo
 RT> headphone amplifier".  The board was sold by Radio Shack at one time,
 RT> I picked mine up at a hamfest for 50 cents or so. Built it,  stuffed a
 RT> couple of LM386 (?) chips in there,  added some switches to deal with
 RT> the jumper options the board gave me,  and fed it from a little DC
 RT> power supply.  Nominal output of the supply is supposed to be 9 volts
 RT> at 1 amp (!) but I suspect it goes a little higher than that.  It gets
 RT> surprisingly loud,  and fidelity is more than adequate for my needs.
 RT> I have the papers that came with this board around here someplace,
 RT> even think I know where they are,  so if you want I could send you
 RT> some photocopies...

 RT> I don't need an amp so much, as the RIAA stage which is part of the
 RT> phono stage in the amp.

Ah.  There's the thing we were kicking around elsewhere not too long ago...

I thought somebody in the electronics echo had posted schematics?

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