Integrated amp pre out and power in jacks

Archived from groups: rec.audio.tech (More info?)

On Sat, 12 Mar 2005 20:52:48 +0000 (UTC), am_dew@REMOVepanixThis.com
(Bob) wrote:

>
>I have two vintage (circa late 70's) Kenwood integrated amps...a
>KA-7300 and a KA-8100. They both have a set of "pre out" and "power
>in" jacks. I don't have the user manuals for these amps.
>
>Am I correct in thinking that the "pre out" jacks supply a preamp
>signal that could be fed into a separate power amplifier?
>
>And the "power in" jacks would be used if you wanted to feed in a separate
>preamp signal and then the Kenwood's power amp would be used, bypassing
>the preamp section?
>
>I am trying to determine if I can somehow connect these two integrated
>amps together to my benefit.
>
>Thanks!
>Bob
Yes and No.
IRC my old Kenwood TK140x Pre-out Pre-In (Jumpered) used a lower than
normal "line level" voltage that was *very* suceptable to overdriving
from a alternate Pre-Amp. Maybe they 'fixed' that problem in later
models.

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