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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 15th October 2017, 12:49 AM   #311
kevinkr is offline kevinkr  United States
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Playing With Panasonic Strain Gauge Cartridges (And A Dedicated Phono Stage)
Yes, that is correct!

I usually wet just one - usually the one that is most comfortable for me to place the part using tweezer in one hand and solder iron in the other.

I then solder all the rest.

Dave, that is a very tidy build.

Have you listened to it at all yet?

I played both the rev. 2.0 and rev 2.1 pre-amps and their respective cartridge/arm/table combination for a friend today who will likely post his thoughts at some point here. (He has a rev. 2.1 kit, and a couple of different strain gauge cartridges)
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Old 15th October 2017, 12:59 AM   #312
kevinkr is offline kevinkr  United States
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Playing With Panasonic Strain Gauge Cartridges (And A Dedicated Phono Stage)
I have no more rev 2.1 boards or transformers available at this point.

I do have a single pair of rev. 2.0 boards and a PSU board if anyone is interested.

If there is sufficient interest in the not too immediate future I may entertain the possibility of another group buy.
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Old 15th October 2017, 02:13 PM   #313
AVWERK is online now AVWERK  United States
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I need the 1n5408s + 10ohm/2wt for the PSU grd. Failed to order them
Next week start up for sure

Regards
David
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Old Today, 01:02 AM   #314
kevinkr is offline kevinkr  United States
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Playing With Panasonic Strain Gauge Cartridges (And A Dedicated Phono Stage)
Default 450C has landed

Initial impressions are favorable, although it clearly needs a new stylus.

I have ordered the $70 Bliss replacement from
EPS-45STQD Type Stylus for EPC-450C Panasonic Cartridge - our Needle 678-DQ

I've had very good results with Bliss styli on my other two strain gauges so I figured why mess with success, and until I am completely sure about this cartridge I did not want to overspend.

Surprisingly it is quite high compliance and mounted on one of my lighter shells and tracking at about 1.2gms which seems to faze it not at all.

I like it a lot so far and will work on optimizing the set up over time. There are some things about it I will talk about once I get the new stylus. What I can tell you is that it is a good match to my pre-amp design, either revision.
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