Wisdom

Wisdom SA-2 Two-Channel Power Amplifier

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Overview

A high-efficiency two-channel power amplifier from Wisdom Audio, running at around 90% efficiency so more power reaches the speakers and far less is wasted as heat. 500W per channel into 4Ω with very low noise, ideal for Wisdom and other high-end speaker systems.

Supplied by Habitech, UK distributor.

Specifications

Power	500W per channel continuous @ 4Ω (20Hz–20kHz, <0.5% THD)
Peak output current	>30A
Voltage gain	31dB
S/N ratio	-103dB (A-wtd)
Input	Balanced, 25kΩ; 1.2V sensitivity
Output impedance	<0.05Ω
Efficiency	Approx. 90%
Dimensions (H x W x D)	86 x 432 x 347 mm