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Playing With Panasonic Strain Gauge Cartridges (And A Dedicated Phono Stage)
Playing With Panasonic Strain Gauge Cartridges (And A Dedicated Phono Stage)
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Old Yesterday, 03:10 AM   #271
super10018 is offline super10018  United States
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I just bought a NOS EPC-451C off eBay. I know I paid a little more but just because it is still a new cartridge.
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Old Yesterday, 09:58 PM   #272
kevinkr is offline kevinkr  United States
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Playing With Panasonic Strain Gauge Cartridges (And A Dedicated Phono Stage)
Excellent news!
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Old Today, 01:37 AM   #273
super10018 is offline super10018  United States
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Thanks Kevin!

Is 451C after 450C?
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Old Today, 01:43 AM   #274
kevinkr is offline kevinkr  United States
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Playing With Panasonic Strain Gauge Cartridges (And A Dedicated Phono Stage)
Yes, just slightly later.
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Old Today, 03:15 AM   #275
super10018 is offline super10018  United States
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Kevin,

Do you foresee any modifications in the future? If so, I am going to get a fairly big enclosure to leave enough room for future modifications. Do you have any preference for caps? I see you used multi cap.

Jim

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Old Today, 04:02 PM   #276
kevinkr is offline kevinkr  United States
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Playing With Panasonic Strain Gauge Cartridges (And A Dedicated Phono Stage)
In the future I may try to determine whether it is possible to further improve the EQ. This would be located on a small plug in card that plugs into the 4 pin connector currently used to set the gain. I don't see any other major changes to this design in the future. I do recommend leaving enough room for output transformers in case in the future you want to use them for balanced output and/or phase inversion between the channels.

The BOM recommendations are good middle of the road in terms of cost/performance ratio, I do like REL TFT and Vcap TFTF even better than the RTX, but was not sure the expense was justifiable in this application. It is a judgment call, and I think at the point of diminishing returns.
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