Quote:
Originally Posted by Charles
You obviously have one that is working properly. When I say "low impedance loads" I mean speakers with impedance consistently at 2 ohm or below. A sensitivity of say 86 and a 1.5 impedance I would not recommend for a 501. I personally would never use the 2 ohm tap that Mac supplies. But that's just my opinion. Others may have good results with this tap.
You have a wonderful vintage amp. Enjoy!  |
Charles, my 501's drive 2 sets of Thiel speakers, 3.6 and CS 6 to virtually any volume level in a large room with zero stress. Thiels are notoriously tough to drive and play close to 2 ohms at most frequencies.
I can't imagine many more difficult loads, maybe Apogees. I would be curious to hear 1.2KW or 1.25KW on my speakers for fun. 
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Main System
Basis 2200 Signature/Vector 4/Transfiguration Proteus
Ortofon Cadenza Black
Allnic H3000/CJ ET5/Mcintosh 501's
Thiel CS3.6
Thiel CS6
MIT EVO 2 IC
Straightwire Maestro II SC
Shunyata Denali SV2
Shunyata Sigma XC
Wywires Juice PC’s
Kubala Sosna PC’s
Dedicated 20 amp lines
Porter Ports
Arcici Ref Suspense Stand
Rives acoustically designed room 
Shore House
Basis 1400 Signature/Hadcock 228/Ortofon Jubilee
ARC PH 5/Meridian 200/Meridian 263 DAC
CJ Premier 14/Classe CA200/Thiel 3.6
Wywires Silver IC/Stereolab Diablo SC/MIT Z cord II
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