Z-150.2 Ii Speaker Wiring - zapco Z-150.4 II Owner's Manual

Speaker Wiring of the Z-II Class AB Amplifiers
• 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 amplifier, you use the
left channel (Ch1) positive and the right channel (Ch2) negative, as indicated
on the chassis by the speaker terminals
• 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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The Very Basics

Z-150.2 II Speaker Wiring

Stereo Mode
Single Channel Mode