From: Doug Franklin
On 2010-12-29 11:52, David J Brooks wrote:
> On Wed, Dec 29, 2010 at 2:01 AM, John Sessoms<[email protected]> wrote:
>> If you've got "line out" and "line in", shouldn't they already be impedance
>> matched? I thought that was the whole purpose of line level connections.
>>
>> Or am I missing something here?
Many phonographs don't produce line level outputs. That's why there
used to be a separate, grounded connection for the phonograph on the
back of your receiver or amp. Newer receivers often don't have that
phonograph connection, and you have to get a separate "phonograph
preamp" to convert the output of the phono to line levels.
Oh.
I've got an older Onkyo AM/FM Audio/Video Receiver with the grounded
phonograph input as well as "Line In" and "Line Out" (nominal 1mW across
600 ohm according to the manual).
Also has CD In, Tape In/Out and VCR In/Out (for the Audio from a stereo
VCR) and A/B speaker level outputs (independently switchable 2/4/8/16 ohm).
Switchable 120/240 VAC 60/50 HZ.
Like a lot of other stuff in my life, I got it at the PX, and it seems
to have been designed to work just about anywhere the US military might
send you.
My turntable is a Pioneer PL-1000, also switchable 120/240VAC 60/50Hz,
with the grounded output cable.
I need to fix up the Computer that has the sound card with Line In/Out
installed in it.
I think the hard-drive finally crapped out in it. No biggie, it's only a
40MB hard drive, not even SATA. I was going to have to replace it anyway
because the current mother board in the system has only one old fashion
IDE port & I couldn't run both my CD-R and DVD-R with the hard-drive
taking up one of the IDE connections. It's only a matter of finding my
old NT4.0 disks so I can install the WinXP upgrade on the system (and
probably now Vista or Win7).
Plus, I need a new monitor - the old CRT is faded out so badly I can
hardly see anything & it wouldn't calibrate the last time I tried. Not
that it was really important since I was only using it for browsing the
internet.
But I'm begining to have problems with this piece of shit Toshiba
laptop, electrical shocks every few seconds and it's starting to *PISS
ME OFF!*
Looks like it's time for me to get my backup systems restored and back
on line.
Then all I have to do is get my old vinyl records professionally cleaned
to get rid of all the accumulated grunge & I'll be ready to rip.
--
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