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 Post subject: Looking For RCA RS-172M Chassis Schematic
PostPosted: Sep Fri 13, 2019 10:47 pm 
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Joined: Aug Sun 23, 2015 6:01 pm
Posts: 1098
Location: NJ 08090
Got a nice RCA suitcase phono in the shop from about 1959. The amp chassis is marked RS172M and RVG2748245. It's a basic stereo amp, but requires an extension speaker to play stereo...So there is what is basically a stereo/mono speaker switch on it. Just looking for an amp schematic for this one. No model number for the phono, although the tube chart has 825 stamped across it...no other model # info.


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 Post subject: Re: Looking For RCA RS-172M Chassis Schematic
PostPosted: Sep Sat 14, 2019 12:15 am 
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Joined: May Sat 06, 2006 4:03 am
Posts: 3606
Location: ZIP 23831 South of Richmond, VA 25 miles down the pike.
Don't know about the M suffix. Here's a link that might help.

Bill J.

https://app.box.com/s/ma6ngt5a060gd0q258qe


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 Post subject: Re: Looking For RCA RS-172M Chassis Schematic
PostPosted: Sep Sat 14, 2019 1:22 am 
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Joined: Aug Sun 23, 2015 6:01 pm
Posts: 1098
Location: NJ 08090
That's the circuit!! Thanks NM1.


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