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 Post subject: Help with early version RP168 tone arm bouncing?
PostPosted: Aug Wed 25, 2021 4:31 pm 
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Joined: May Fri 07, 2021 4:57 pm
Posts: 27
The lightening changing speed of the early versions of the RP168 record changer causes the tone arm to slam down on the record causing it to bounce, sometimes skipping the beginning section of the record!
RCA soon remedied this by adding a small piston mechanism to the changer to slow down the lowering of the tone arm to the record.

Does anyone know how to stop the "slam and bounce" on the early units that did not yet have the piston mechanism built in.
I hope I explained it so it makes sense. Lol.


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 Post subject: Re: Help with early version RP168 tone arm bouncing?
PostPosted: Aug Wed 25, 2021 5:04 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 2643
Location: Haledon NJ USA
The best way to fix it would be to find a later parts unit and steal the dashpot out of it.

The other way is to add one of those clip-on tonearm brushes.

Attachment:
brush.jpg
brush.jpg [ 28.79 KiB | Viewed 243 times ]


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 Post subject: Re: Help with early version RP168 tone arm bouncing?
PostPosted: Aug Wed 25, 2021 6:38 pm 
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Joined: Feb Wed 04, 2015 12:26 am
Posts: 1645
the best way is to find a unit with the dash pot. It's really easy to install


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 Post subject: Re: Help with early version RP168 tone arm bouncing?
PostPosted: Aug Mon 30, 2021 6:12 pm 
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Joined: Feb Sat 06, 2016 1:47 am
Posts: 3620
Location: La Mesa Califonia
Trick. Remove cartridge. Add a little ring of rubber cement around the mounting holes. Let dry well. Place cartridge back in, but just snug the screws lightly. Makes a shock absorber.


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 Post subject: Re: Help with early version RP168 tone arm bouncing?
PostPosted: Aug Mon 30, 2021 6:16 pm 
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Joined: Feb Sat 06, 2016 1:47 am
Posts: 3620
Location: La Mesa Califonia
double post. <Error>


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