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Before operating the unit, please read this manual throughly and retain it for future reference.

ST-X III SERIES

Owner’s Manual

Summary of Contents for ST-1000XM III

Page 1: ...1 Before operating the unit please read this manual throughly and retain it for future reference ST X III SERIES Owner s Manual ...

Page 2: ... of wire for Power and Ground See All Wire is not created equal on Page 6 MISSION STATEMENT Committed to Excellence ZAPCO is dedicated to the pursuit of audio fidelity Our prime objectives are to design and manufacture audio products of unsurpassed quality to provide unparalleled support and service for these products and to conduct business in a manner that will enhance the quality of life for al...

Page 3: ...ound a line of products for every day use and that everyone could afford And the studio line is just that amplifier In the time it has been out it has built a reputation as the best sounding amp in the class Of course not everyone buys strictly by sound although they should Maybe it s the wrong color maybe it s too big or too small But one thing is constant Everyone who hears the studio amps agree...

Page 4: ...thin coating of copper around the outside of the wire Does it look like copper wire Absolutely But does it conduct electrical current like copper Absolutely NOT If the wire does not say OFC Copper wire or Solid Copper wire do not use it Two things can and likely will happen Because CCA wire can not conduct DC electrical current like copper wire can your amp will not get the current it needs to pro...

Page 5: ...hould make sure all gain controls are set to minimum Gain controls should be used only if absolutely necessary Turning up gain controls causes increased noise makes distortion more likely and reduces the dynamic range of your system If you head unit does not have sufficient output you will get much better results by investing in a line driver to provide more signal to the amplifier 8 Note The ST X...

Page 6: ...trols in different positions Showen here is the ST 4X SQ III 4 channel model 2 3 4 11 12 13 5 7 8 10 1 6 9 14 15 1 Green power on LED and red protect LED 2 Rear High Pass frequency control 3 Auto on switch for OEM integration 4 Rear Low Pass frequency control 5 Rear speaker level input plug for OEM hookup 6 Rear channels variable gain control 7 Rear channels RCA inputs 8 Pass through RCA output re...

Page 7: ...ng two units of the same model together to drive a single voice coil Always keep in mind that each amp must see a minimum load of 2 Ohm 1V per amp Decide which amplifier will be the master and which will be the slave amplifier Connect the head unit bass output or full range output RCA to the R and L RCA inputs of the first master amplifier Connect the Bridge Out of the master amp amplifier to the ...

Page 8: ...d capacitors on the highs to act as a crossover and maintain correct impedance Consult the speaker manufacturer for correct cap and coil values X OVER WF WF TW TW X OVER 2 OHM MIN LOAD 4 OHM MIN LOAD 15 14 Speaker Wiring of the ST X SQ III Amplifiers The Very Basics 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 ampl...

Page 9: ...X OVER X OVER 4 OHM MIN LOAD 16 4 Ch Amplifier Stereo Mode A simple 4 channels hookup for a right and left stereo pair 4 Ch Amplifier High Power 2 Ch Mode Similar to bridging a stereo amp to a mono woofer you can use the 4 Ch amp in a dual mono mode to create in this case a stereo amp with 190 watts RMS ch As with any bridged setup the speakers must be a minimum of 4Ω impedance If you are using th...

Page 10: ... Br 4Ω 6 x 100 4Ω 6 x 150 2Ω 3 x 300 Br 4Ω 200 4Ω 300 2Ω 500 1Ω 450 4Ω 750 2Ω 1050 1Ω 750 4Ω 1100 2Ω 1650 1Ω 1000 4Ω 1500 2Ω 2000 1Ω THD 0 1 0 1 0 1 0 1 0 1 0 1 0 1 S N 95dB 95dB 95dB 100dB 100dB 100dB 100dB Frequency Response 15Hz 30KHz 15Hz 30KHz 15Hz 30KHz 10Hz 200Hz 10Hz 150Hz 10Hz 150Hz 10Hz 150Hz Continuous exposure to excessive sound pressure levels may cause permanent hearing loss ZAPCO st...

Page 11: ...1 Modesto California USA Since 1974 zapco com ...

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