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 Post subject: RCA SHP-12
PostPosted: Feb Sat 22, 2014 4:45 am 
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Joined: Feb Fri 07, 2014 1:11 am
Posts: 27
I recently got a RCA SHP-12 from ebay and for the most part it got shipped to me well without getting destroyed, however, the cover got damaged and I will be gluing that back together.

I plan to use Larry Hillis guide on “Step by Step Restoration of RCA Victor SHF-8 Record Player” for most of the restoration.

http://www.antiqueradios.com/forums/viewtopic.php?f=9&t=116541

There are two things I need help that I can’t seem to find online. Does anyone have a copy of the photofact/service manual in PDF format? What type of needle and cartridge is needed to replace the original?


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 Post subject: Re: RCA SHP-12
PostPosted: Feb Sat 22, 2014 5:41 am 
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Joined: May Sat 06, 2006 4:03 am
Posts: 3603
Location: ZIP 23831 South of Richmond, VA 25 miles down the pike.
Hey foot loose and fancy free,

Here's a link to SAMS 439-13 for your SHP-12.

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

And if you need for the RP-205 Series Changer this will get SAMS 358-10 data.

https://app.box.com/s/h3kuwl2tknzpzn1ot5wk

Bill J.


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 Post subject: Re: RCA SHP-12
PostPosted: Feb Sat 22, 2014 3:00 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 4127
Location: Berkley, Michigan
This player was introduced the first year stereo records came out. Most record collections would be mostly mono so it was designed to not only play the new stereo recordings but to also make the most out of the old mono ones.

This model uses a special ½-volt “out of phase” stereo cartridge. The cartridge could still be good. Replacement styli are still available.

When in “internal speakers only”, the speaker switch straps the two channels of the amplifier together into a simulated push-pull mode. It combines the out of phase mono signals from the cartridge back together again. The result is greater power output, lower distortion and more common mode noise rejection, like turntable rumble and power supply hum. It’s actually a sophisticated little amplifier.

The Photofact has the speaker switch wiring shown wrong. They show the output transformer secondarys wired in simple parallel, they are not. They list the output transformers as both being the same part number when in fact they are not.

When in stereo mode all of this is moot. The only important thing would be to observe proper remote speaker phasing.

_________________
That warm tube sound can usually be overcome by turning up the treble.


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 Post subject: Re: RCA SHP-12
PostPosted: Feb Sun 23, 2014 5:43 am 
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Joined: Jan Mon 25, 2010 7:51 am
Posts: 2763
Location: Toledo, Ohio
I have a blonde SHP-12 I have had for years now. Funny as mine is broken in the exact same spot as yours is! Must be a weak point in construction.

I took a look at mine and it is actually in really nice shape otherwise. I was going to use it for parts but darn it is in nice shape....so how do these units sound? I am guessing similar to a SHF-8 maybe....?

Todd

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 Post subject: Re: RCA SHP-12
PostPosted: Feb Sun 23, 2014 9:18 am 
Member

Joined: Jan Thu 01, 1970 1:00 am
Posts: 4127
Location: Berkley, Michigan
bastardbus wrote:
...so how do these units sound? I am guessing similar to a SHF-8 maybe....?

Todd

I had one years ago and the sound was fairly good but I preferred the SHF-8 - until I heard an SHF-7 - until I heard...

Fix yours up and find it a new home. Someone will enjoy it.

_________________
That warm tube sound can usually be overcome by turning up the treble.


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