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ARCHIVED FORUM -- March 2012 to February 2022
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This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022

 

Channel bias

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This post has 2 Replies | 1 Follower

jimjulian
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jimjulian Posted: Tue, Mar 26 2019 4:27 PM

Hello

   I recently purchased an RX2 on eBay. Shortly afterwards, I purchased an MMC2 cartridge as well. The RX2 came with an MMC5.

   When I tried to play a record, the left channel was fine but the right channel was not as loud and had more noise. I gently pushed the cartridge down into the grove and it stayed there. But every time I played a record, I had to repeat the same process. I thought the needle tip or cantilever might be at fault, so I used the MMC2. Same thing happened. There's nothing in the user guide or service manual that addresses such issues.

Does anyone have any ideas? I tried rolling the tonearm but that had no effect.

Ive been thinking about having the cartridge reworked but the problem seems to be turntable related.

 

Thank you


sonavor
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Texas, United States
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sonavor replied on Tue, Mar 26 2019 5:21 PM

Other than a muting relay there are usually no electronic components between the cartridge and the plug for the preamp.

From your description of the problem it sounds like you can manually adjust the arm and get it to play a record correctly. If that is the case then the problem sounds like it is related to tracking force.
Is your RX2 tracking force calibrated? In other words, is it actually applying the tracking force it says?  You can check that with a tracking force gage.

Occasionally I will run into an album where the Beogram can't seem to find the groove. I believe that is a problem with the vinyl pressing. More tracking force might help alleviate that problem but I like to use the minimum tracking force I can (within the recommended cartridge spec). 

-sonavor

Søren Mexico
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Mexico City
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Check the lift mechanism, clean an lubricate

Collecting Vintage B&O is not a hobby, its a lifestyle.

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