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ACA V1.5 Illustrated Build Guide
ACA V1.5 Illustrated Build Guide
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Old 5th September 2018, 12:41 PM   #391
Zen Mod is offline Zen Mod  Serbia
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ACA V1.5 Illustrated Build Guide
changes for 48Vdc are trivial ....... even if absolutely necessary

as general remark : one IRFP240 with more than 35W of heat is thingie demanding care and brains

that means - Keratherm pad (as best and easiest solution) , proper torque , proper chunk of heatsink

more than 50W , while not showed in bucket of oil , is recipe for trouble
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Old 5th September 2018, 01:04 PM   #392
nycavsr2000 is offline nycavsr2000  United States
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ACA V1.5 Illustrated Build Guide
Eric and ZenMod: I agree completely!

Thankfully there are other designs to choose from, ie Aleph J, Aksa/Lender Aleph 20, etc...if sticking with the SE Class A topology...

Best,
Anand.
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Old 5th September 2018, 02:12 PM   #393
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ACA V1.5 Illustrated Build Guide
SE A class is for Sissies

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Old 5th September 2018, 04:40 PM   #394
jackhsu is offline jackhsu  Taiwan
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Thank you for all the great inputs.
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Old 6th September 2018, 01:51 AM   #395
johnpark0 is offline johnpark0
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Hi. I'm running a set of 1.6 monos...they sound terrific!!! One question: what does the switch on the back do? Nothing but act as ground since there is now the rocker power switch on front?

Thanks!
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