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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Just how extended were those cartridges?? Weren't they Quad driven?? posted by Robert Hamel on October 21, 2003 at 12:07:37:
Not really, although quad used the Ortofon cartridge originally, in order to get bandwidth. It has to to with effective tip mass, mostly. Moving coil cartridges have low effective tip mass, moving magnet cartridges originally had mechanical self resonances between 10K-20KHz, which had to be rolled off by the electrical resonance. This is the fundamental reason for 47K, which is the damping for the electrical cartridge resonance, composed of perhaps 100-250pf of cable capacitance and a coil of .5-2H.
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Follow Ups
- Re: Just how extended were those cartridges?? Weren't they Quad driven?? - john curl 10/21/0313:03:18 10/21/03 (4)
- Re: Just how extended were those cartridges?? Weren't they Quad driven?? - RBP 14:41:02 10/21/03 (3)
- CD-4 JVC developed Super Vinyl. Amazing they pulled it off. - Robert Hamel 15:52:02 10/21/03 (2)
- Re: CD-4 JVC developed Super Vinyl. Amazing they pulled it off. - john curl 16:11:04 10/21/03 (1)
- Yes it does clearly audible too. - Robert Hamel 16:40:34 10/21/03 (0)
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