zapco ST-2X SQ Owner'S Manual Download Page 3 | Manualshive

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Table of Contents

A new level of Sound Quality ......................................................................... 2

History of the Studio Series .................................................................... 2
The Studio-X SQ amplifiers ..................................................................... 3
Main features of the Studio-X SQ amplifiers .......................................... 3

Before you start your installation ................................................................... 4

Upgrading a Factory Stereo .................................................................... 4

Planning your power connections .................................................................. 5

Wire size ................................................................................................. 6

Mounting your Studio-X SQ amplifier ............................................................. 7
Inputs and Controls ......................................................................................... 8

ST-2X SQ Input Ends ................................................................................ 8
ST-4X SQ Input Ends ................................................................................ 9
ST-6X SQ Input Ends ................................................................................ 10

Speaker Wiring of the Studio-X SQ Amplifiers ................................................ 11

ST-2X SQ Speaker Wiring ........................................................................ 11
ST-4X SQ Speaker Wiring ........................................................................ 13
ST-6X SQ Speaker Wiring ........................................................................ 15

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Summary of Contents for ST-2X SQ

Page 1: ...1 ST 2X 4X 6X SQ Owner s Manual Before operating the unit please read this manual throughly and retain it for future reference ...

Page 2: ...from 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 the car audio industry These years of experience have led to a thorough understanding of the challenges that are unique to the world of car audio ZAPCO s relentless quest for sonic purity consistently ...

Page 3: ...re you start your installation 4 Upgrading a Factory Stereo 4 Planning your power connections 5 Wire size 6 Mounting your Studio X SQ amplifier 7 Inputs and Controls 8 ST 2X SQ Input Ends 8 ST 4X SQ Input Ends 9 ST 6X SQ Input Ends 10 Speaker Wiring of the Studio X SQ Amplifiers 11 ST 2X SQ Speaker Wiring 11 ST 4X SQ Speaker Wiring 13 ST 6X SQ Speaker Wiring 15 ...

Page 4: ...t 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 agrees it sounds better than any other product in the class History of the Studio Series Perfection cannot be achieved But that does not make its purs...

Page 5: ...on and produce power from 15Hz to 30kHz Main features of the Studio X SQ amplifiers Tiﬀany style Panel Mount RCA SQ Upgrades Op amps Caps Etc Full Range Class A B SQ Upgrades Op amps Caps Etc Tiffany style Panel Mount RCA RCA and Speaker Level Inputs Variable input gain control Variable electronic crossover Auto on with Speaker level inputs Variable bass boost control THD Rated Power 0 5 Signal to...

Page 6: ... ZAPCO strongly advises that you use common sense when setting volume levels If you experience ringing in the ears it could cause permanent hearing damage When connecting our amplifiers to pre wired stock speakers care must be taken that there are no common connections between left and right speaker wires i e two or more speakers using the same ground connection very common in pre 85 cars as this ...

Page 7: ...t the outside of the end plate is the main ground or negative connection This must be securely attached to bare metal at the vehicle frame or other heavy chassis component with a direct connection to the frame Note Seat bolts and seat belt bolts are NOT good ground points The small terminal between the main power and ground is the 12 turn on input and can be connected to the head unit turn on outp...

Page 8: ... 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 current it needs to do its job The most common wire gauge used in car audio is 10 gauge and the most common location for amplifiers is in the trunk Wire Sizing Chart 4 ft 7 ft 10 ft 13 ft 16 ft 19 ft 22 ...

Page 9: ... a 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 power creates heat and cooling requires air Position the amplifier with sufficient surrounding area for air supply and keep the end plates clear for future access Keep the amplifier out of the engi...

Page 10: ...ad unit 3 Variable gain control set to minimum before initial turn on 4 Bass boost switch for 0 6dB or 12dB 5 Low Pass frequency selector for the bass crossover 6 Crossover selector for low pass full range or high pass 7 High pass filter for the mids highs 8 Auto on switch for OEM integration 9 Green power on LED and red protect LED 10 Speaker level input plug for OEM hookup Note that black ground...

Page 11: ...ow Pass frequency control 5 Rear speaker level input plug for OEM hookup See 10 of ST 2X SQ 6 Rear channels variable gain control 7 Rear channels RCA inputs 8 Pass through RCA output rear channels can feed another amp 9 Front channels RCA inputs 10 Front speaker level input plug for OEM hookup See 10 of ST 2X SQ 11 Rear crossover function switch for high pass full range or low pass 12 Rear channel...

Page 12: ...3 Ch 1 2 crossover function selector for full range of high pass 4 Ch 1 2 High Pass frequency control 5 Ch 3 4 variable gain control 6 Ch 3 4 crossover function switch for high pass full range or low pass band pass 7 Ch 3 4 High Pass frequency control 8 Ch 3 4 Low Pass frequency control 9 Ch 5 6 variable gain control 10 Ch 5 6 crossover function selector for low pass or full range 11 Ch 5 6 Bass B...

Page 13: ...indicated on the chassis by the speaker terminals ST 2X SQ Speaker Wiring 2Ch Stereo Mode A simple 2 speaker hookup for a right and left stereo pair Note the basics above for speaker wiring and assure that and are connected correctly A fuse should be added near the battery Single Channel Mode This method is used most often to drive a mono woofer but can also be used to run separate amplifiers for ...

Page 14: ...can have two 2Ω loads but you must use a passive crossover on each speaker in the three chan nel mode With the crossovers in the line the amplifier will always see a minimum load of 2Ω on each channel at all frequencies Main speakers can be 2Ω 4Ω Woofer can be 4Ω 8Ω but cannot be less than 4Ω as in any bridged situation The active amp crossovers are not used in this system A 3 Way hookup requires ...

Page 15: ...Power 2Ch 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 the active crossovers you should be sure that they are set to the same frequency High power stereo using dual mono bridge hookups requires tha...

Page 16: ...n the rear 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 capacitors on the front highs positives and a coil on the woofer positive All amplifiers channels are full range Highs 2Ω Min Mono Bass 4Ω Min Highs 2Ω Min Bass 4Ω Min ...

Page 17: ... Ch1 2 and 3 4 will high passed just above the lowest recommended frequency for that speaker Ch 5 6 will be low passed for a woofer at the same frequency that 1 2 and 3 4 are high passed 5Ch System The most popular system for a six channel amplifier is right left front right left rear and a mono sub Note the hookup especially of the sub as Ch5 and Ch6 This give the sub the combined power of the 2 ...

Page 18: ... a standard six speaker hookup for 3 pairs of right and left stereo speakers Since each channel has one speaker so each speaker can be 2Ω Minimum Note the basics of speaker hookup and assure that and are connected correctly All speakers 2Ω 4Ω ...

Page 19: ...1 Modesto California USA Since 1974 zapco com ...

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