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In Reply to: Woofer Pumping posted by AudioSoul on February 6, 2016 at 09:42:31:
Especially when the arm has far too much mass for the cartridge in use. An example would be to mount an ADC XLM-II(30 x 10-6cm/Dyne compliance) up to an original (16.5g) Thorens TP16 tonearm. I've seen woofer pumping under that condition. And the phenomenon went away when a more suitable cartridge was mounted to the somewhat heavy tonearm.
But that is just one plausible cause for woofer pumping that I know of.
-Steve
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Follow Ups
- RE: arm/cart mismatch is a frequent cause... - user510 11:30:23 02/06/16 (4)
- He's asking why only one woofer, and not the other, is pumping - Lew 12:23:49 02/06/16 (3)
- RE: not by his opening post - user510 15:17:50 02/06/16 (2)
- RE: not by his opening post - Lew 15:52:07 02/06/16 (1)
- RE: not by his opening post - user510 16:14:44 02/06/16 (0)