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Signal Processing 3-Way Amplifier

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The BGW SPA-3 utilises a modular design wherein functional blocks can be reconfigured in seconds via plug-in headers.

These 14-pin jumper networks are about the size of an IC, come in numerous factory pre-set configurations, and/or may be reconfigured in the field.

Standard blocks include three power amplifier modules, two signal delays, a 3-way crossover network, a Switch set subsonic filter, a low frequency parametric EQ, a high frequency contour filter, three digitized attenuators, and several buffer amplifiers, pads, and a differential input circuit.


Power output: 250 watts per channel (LF, MF, HF sections)

Maximum gain: 30dB

Attenuation: 0 to 89dB in 1dB steps

Signal to noise ratio: 200dB

Dimensions: 5.25 x 19 x 13.7 inches

Weight: 43 lbs


owners/service manual   English -

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This website is not affiliated with or sponsored by BGW. To purchase SPA-3 spares or accessories, please contact the company via their website or visit an authorised retailer.