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10 HY chokes.....Not Me !!!

Deathtube,

Don't ask "me" about 10 HY 500mA. chokes.

That was the first choke size I ever A-Bed in 1982, when designing the supply my very first DIY 2A3 amp. 10 HY. had fabulous low end, but it RUINED the timing of ALL musical events through it !!

Hands down "F-" grade..... for 10 HY (at about 40 Ohms) in 1982 A-B testing. How enlightening that listening session was to me!!

Used a 5 HY 500 mA choke instead, and by 1985, I discovered the ESPEY 3 HY 24 Ohm choke, which I even got Herbie Reichert to use in his Flesh and Blood amps.

Deathtube, since 1985, I have not used over 3 HY / 24 Ohms in any of my audio amps.

In 2012 it is L1 @ 35 mHY - under 1 Ohm and L2 @ 2.2 HY (maximum) - under 7 Ohms.

Don't ask me again about 10 HY Ls in power amps my friend. YUCKIE !!

Jeff Medwin


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