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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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In Reply to: Loading my Cartridge posted by Doc Jr 8156 on November 1, 2004 at 11:22:03:
With a step-up ratio of 1:10, the impedance ratio is 1:100, so 47K at the input to your phono preamp "looks" like 470 ohms to your OC9. You can reduce this load by paralleling the 47K resistor with values calculated to give 100 times the load value you desire your cartridge to see. For example, if you put another 47K resistor in parallel with the existing 47K in each channel, your cartridge would now be operating into a 235 ohm load.
Kevin Carter
K&K Audio
www.kandkaudio.com
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- Re: Loading my Cartridge - KevinC 11:57:00 11/01/04 (1)
- Re: Loading my Cartridge - Doc Jr 8156 12:51:58 11/01/04 (0)
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