zapco ST-2B Owner'S Manual Download Page 11

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Speaker Wiring of the ST-B 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 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

ST-2B Speaker Wiring

2Ch Stereo Mode

A simple 2 speaker hookup for a right and left stereo pair. Speakers can be 2Ω or 4Ω.

Single Channel Mode

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

Summary of Contents for ST-2B

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

Page 2: ...rom doing There is absolutely no substitute for experience that is a simple fact of life Another simple fact is that ZAPCO has for over forty years been the leader in defining quality standards for th...

Page 3: ...s reputation With all the new amps coming into the market not one has been any threat to Zapco s standing as the premium amp and processor line Just check the audio competition scene and the audio for...

Page 4: ...ed by routing all wires away from moving hinges and seats This also includes brake gas and clutch pedals hood and trunk hinges etc Continuous exposure to excessive sound pressure levels may cause perm...

Page 5: ...must be connected the vehicle battery s positive terminal and a main system fuse should be placed close to the battery The main ground or negative connection must be securely attached to bare metal at...

Page 6: ...and by the weakest physical connection in the circuit Wire Size It s often surprising how many people will obsess about signal wire but routinely provide the amplifier with only a fraction of the curr...

Page 7: ...few guidelines The amplifier can be mounted in any direction on wood metal or carpet The metal chassis of the amp can be grounded or left isolated The amplifier requires adequate ventilation Creating...

Page 8: ...evel input plug for OEM hookup 2 RCA inputs from an after market head unit 3 Pass through RCA output allows daisy chaining amplifiers 4 Variable gain control set to minimum before initial turn on 5 Ba...

Page 9: ...ol 4 Front Channels Variable gain control set to minimum before initial turn on 5 Front channels RCA inputs 6 Pass through RCA output rear channels can feed another amp 7 Rear channels RCA inputs 8 Re...

Page 10: ...Plus the ST 1B has a remote control port 1 RCA inputs 2 RCA outputs 3 Variable gain control set to minimum before initial turn on 4 Crossover function selector for full range of low pass 5 Low Pass fr...

Page 11: ...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 ST 2B Speaker Wiring 2Ch Stereo Mode A simple 2 spea...

Page 12: ...ou can have two 2 loads but you must use a passive crossover on each speaker in the three channel mode With the crossovers in the line the amplifier will always see a minimum load of 2 on each channel...

Page 13: ...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 4 impedance If...

Page 14: ...channels Below is an active system with a bridged subwoofer on the rear channels 5Ch System The 5 speakers system requires a passive crossover between the front highs and the mono woofer with capacit...

Page 15: ...e 20Hz 20KHz 1dB Input Sensitivity 25v to 5v Dim in mm 182 W x 52 H x 200 L Overall 182 W x 52 H x 230 L ST 4B Power 4 4 x 65 watts Power 2 4 x 90 watts Power 4 Bridged 2 x 180 watts THD Rated Power 0...

Page 16: ...1 Modesto California USA Since 1974 zapco com...