The Accoustat 1 + 1's have an impedance of 4 ohms at low and mid frequencies, falling to <1 ohm at high frequencies. A bridged amp will see a resistance of HALF of these impedances. Therefore DO NOT use a bridged amp with any speaker whose impedance falls below 8 ohms. Too much current draw from the bridged amp. If you want to hear an improvement in sound quality try using a single channel of each unbridged Hafler into a single speaker.
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