Speaker Wiring Of The Sp Amplifiers; Z-150.2 Sp / Z-400.2 Sp Speaker Wiring - zapco Z-150.2 SP 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 SP amplifier, you use the
left channel (Ch1) positive and the right channel (Ch2) negative, as indicated
on the chassis by the speaker terminals

Z-150.2 SP / Z-400.2 SP Speaker Wiring

• Commonly a pair of full range speakers with x10 swt. off (out or x1 position)
and HPF set between 70Hz ~ 100Hz to protect the speakers from deep bass
• To use for tweeters put Multiplier switch to x10 (pushed in) and set HPF
between 2000Hz ~ 5000Hz, as per the tweeter makers recommendation
• To use for midrange: Determine the range of frequencies you want. Put
the LPF/BPF Multiplier switch to x10 (pushed in) and set the LPF filter to
the highest frequency you want to have. Set the HPF filter to the lowest
frequency you want to have
Bridged to one voice coil using L+ and R-
• Commonly for a woofer. Set crossover mode to LPF/BPF with Multiplier
to off (x1)
• Set LPF freq. to woofer maker's recommendation. Set HPF crossover freq.
to 20Hz to use as a sub sonic filter
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Speaker Wiring of the SP Amplifiers

The Very Basics
Single Channel Mode
Stereo Mode