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RE: Thinking about biamping

I have a pair of Legacy Audio Signature IIIs, which are a tough load for amplifiers, even though they are 93 db@1 watt. They are nominal 4 ohm load, and were measured as low as 1.1 ohms at 65Hz.

The owner’s manual suggest vertical bi-ampig the speakers. First, it raises the overall nominal impedance to 6 ohms from 4 ohms, and resolves the back EMF for the high level input. So, I have the speakers vertically bi-amped with a pair of Threshold SA/3 50 wpc class A amplifiers. This sounds quite a bit better than using a single STASIS 2 Threshold (200 wpc class A/B).

" Don't look back. Something may be gaining on you"

Satchel Paige


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