Vintage Asylum: Leave old filter caps or new ones which to choose by MaccaAU Classic gear from yesteryear; vintage audio standing the test of time.

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Posted by MaccaAU (A ) on March 31, 2018 at 17:12:58

CDE 380LX - cheapest of the lot

UCC SMH/KHM - seems to be used more

Panasonic T-UP - can still get some of these

Natually element14 and RS have limited but do stock the CDE, UCC in higher value 22000uf, and a mix of Kemet and Epcos

Digikey and Mouser have the others

CDE:
ESR: 23 mOhms
Ripple Current: 9.4 A

UCC KMH maxium esr 0.013 ripple 5.58

Panasonic T-UP
ESR: 23 mOhm @ 120Hz
Ripple Current @ Low Frequency 9.41A @ 120Hz
Ripple Current @ High Frequency 10.82A @ 10kHz

I cant measure the ripple of the old, but the smaller caps in my Technics SU-V9 had a bit of green on the legs, and the same value caps, had the same issue in a Technics tuner. Replacing them with PW, KZE SU bipolar

Main caps look fine

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