Speaker Wiring Of The St-B Amplifiers; St-2B Speaker Wiring - zapco ST-2B Owner's Manual

• No speaker wires can be shorted to, or touching either ground or each other.
This will put the amp into protect and may damage the amplifier
• When bridging the left and right channels of any ST-B amplifier, you
use the left channel (Ch1) positive and the right channel (Ch2) negative, as
indicated on the chassis by the speaker terminals
A simple 2 speaker hookup for a right and left stereo pair. Speakers can be 2Ω or 4Ω.
The ST-2B can be used in bridged mono mode to drive a single speaker or a woofer.
NOTE that in bridged mono mode the speaker load must be 4Ω minimum.
4Ω / 8Ω

Speaker Wiring of the ST-B Amplifiers

ST-2B Speaker Wiring

2Ch Stereo Mode
Single Channel Mode
The Very Basics
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