zapco Z-150.4 II Owner'S Manual Download Page 1

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Z-II SERIES

Owner’s Manual

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

Summary of Contents for Z-150.4 II

Page 1: ...1 Z II SERIES 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: ...our Power Connections 6 Wire size 7 Mounting your Z II Series Amplifier 8 The Z II Class AB SQ Competition Amplifiers 9 Z 150 2 II Input and Controls 9 Z 150 4 II Input and Controls 10 Z 150 6 II Input and Controls 11 Z 150 2 II Speaker Wiring 12 Z 150 4 II Speaker Wiring 14 Z 150 6 II Speaker Wiring 17 The Z II Class D SQ Competition Bass Amplifiers 20 Z KD II Input and Controls 20 Z KD II Speake...

Page 4: ...he next level of sound quality by investing in different internal components and circuit designs and the resulting Z Series amps were the results of this unique development method Over the last years we have developed two specialized amplifiers to take auto sound to a different level The Z Series LX amp the ultimate SQ amp No controls except gain A pure SQ amp We also brought out the ZSP Series am...

Page 5: ...power supply for efficiency and current handling About functionality The end plates are now recessed like the LX amps for a cleaner look The plastic controls have been replaced by new metal pots and switches The new pots also have detents like the amps at 40ea so you can accurately set crossovers gains identical for right and left channels The new Z II AB amps have band pass crossovers on all mode...

Page 6: ...like the SP amps at 40ea so you can accurately set crossovers and gains identical with multiple amplifiers So there you are Functionality improvements to make the amps more useful and sound quality improvements you d never expect from a Class D bass amp Z KD II more useful better looking and even better sounding Class A B amps for full range use and Class D amps for bass Whatever your needs the ne...

Page 7: ...es etc Continuous exposure to excessive sound pressure levels may cause permanent hearing loss 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...

Page 8: ...be placed close to the battery The connection at 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...

Page 9: ... 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 ft 2...

Page 10: ... 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 plate and side vents clear for internal cooling Keep the amplifier out ...

Page 11: ... through RCA outputs so you can daisy chain multiple amps while only running one front to back RCA 3 Variable gain control 4 A unique feature of the crossovers is the Multiplier X10 switch that allows accurate frequency setting by changing the crossover range from 15Hz 500Hz to 150Hz 5000Hz This is so you can use the amp full range as a mid range band pass or even as a tweeter amp 5 The high pass ...

Page 12: ... Ch3 4 The Z 150 4 II adds a 2Ch 4Ch switch so you can choose to have only the Ch1 2 inputs feed both front and rear See explanations of these functions on the previous section 2 Channel amps 1 Front Ch1 2 RCA inputs 2 Rear Ch2 4 RCA inputs 3 Front and rear variable gain controls 4 Front Ch1 2 Multiplier and HPF frequency control 5 Crossover mode select Clone position makes both front and rear cro...

Page 13: ... high pass however has a wide frequency range so it can be used as the bottom of a band pass to drive mid bass drivers if you have a separate sub amp The input mode switch lets you use 2Ch 4Ch of 6Ch of input so you can drive all the channels from a single 2Ch stereo output from a head unit See explanations of common functions on the previous sections 1 Ch1 2 and Ch3 4 RCA Inputs 2 Ch1 2 and Ch3 4...

Page 14: ...r 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 Se...

Page 15: ...woofer you must use a woofer of no less than 4Ω The amplifier sees impedance by frequency so you can have two 2Ω 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 2Ω on each channel at all frequencies Main speakers can be 2Ω 4Ω Woofer can be 4Ω 8Ω but cannot be less than 4Ω HP crossov...

Page 16: ...the Z Series amps This is the standard hookup for full range front and rear speakers Speakers can be 2Ω 4Ω If the head unit has 2 sets of RCA outputs you will be able to fade front to rear You don t have to use crossovers but it s wise to use the HPF filters set to 30Hz or a little more as a sub sonic filter to protect the speakers Best policy is to check your speakers frequency range Set the sub ...

Page 17: ...midrange and use a separate amp for your subs For the diagram below of an active 2 way system Front 1 2 crossover is set to HPF and multiplier switch set to x10 in HP frequency is set to the tweeter s recommended cut off point usually between 2KHz and 5KHz Set the rear filter to LPF BPF so both the rear filters are active Set the LPF BPF multiplier switch to x10 in and set the frequency to the sam...

Page 18: ...nt which should match the front high pass filter and set the HPF frequency to 15Hz 30HZ as a sub sonic filter 2Ch Bridged Want more power Instead of four channels of 165 watts you can have two channels of 550 watts each by bridging both front and rear amp sections to one speaker each Speakers must be a minimum of 4Ω impedance Using RCA Y adaptors of 1 female to 2 male put the left signal RCA into ...

Page 19: ...nnels 5 and 6 are arranged top and bottom and CH5 has and reversed from the other channels That said If you are driving full range speakers the only control you will really need is on Channels 1 4 are the HPF filter to use as a sub sonic Channels 5 and 6 are designed for bass or mid bass and plays from 15Hz to 1000Hz 17 Ch 2 Ch 1 Ch 3 Ch 4 Ch 6 Ch 5 ...

Page 20: ...ncy is set to tweeter s recommended HP range usually between 2kHz 3kHz Ch 3 4 are mid range The Ch3 4 Filter switch is set to LPF BPF so both filters are active The HP frequency should be set to the frequency that the woofer will begin usually between 80Hz 120Hz The Ch 3 4 LP frequency is set to the same frequency as the tweeter HP frequency usually 2kHz 3kHz that was set in the previous step Ch 5...

Page 21: ...ce Ch1 2 and 3 4 will use Filters set to HPF with frequency set to where the woofer will begin Ch5 6 will use the HP Sub Sonic filter at 15Hz 30Hz to protect the woofer The low pass filter should be set the HP frequency of the full range speakers on Ch1 2 and Ch3 4 It is critical the crossover frequencies and gains of Ch1 2 and Ch3 4 are set exactly the same This same setup can also be used for a ...

Page 22: ... your system 1 RCA Inputs 2 Gain Sensitivity control 3 Sub Sonic Filter to protect woofers 4 Frequency control for the Low Pass Crossover 5 Variable Bass Boost 2 3 8 7 4 5 6 9 10 1 20 6 Variable Phase Control 7 Port for the optional Dash Bass Control 8 Master Slave Switch See next page about strapping amplifiers 9 RCAs for Master Output and Slave Input 10 The power on green LED and the protect red...

Page 23: ...h amps With the switch in master it sends the proper signal to the slave amp The ONLY control used on the slave amp is the master slave switch which is put into the slave position These two amps will now act as one See the next section for the speaker wiring Sub Sonic This filter is there to protect the woofer from frequencies that can hurt it Generally for large woofers in sealed boxes this can b...

Page 24: ...s for speakers but note that the 2 left hand terminals are both positive and the two right hand terminals are both negative This is to make hooking up multiple woofers easier For a single woofer you use one of the positive terminals and one of the negatives Z KD II Speaker Wiring One speaker hookup Two speakers hookup 1Ω Min 1Ω Min 1Ω Min ...

Page 25: ... to the slave amp After strapping each amplifier will see 1 2 of the load Since the minimum load of each amp is 1Ω the minimum load for the PAIR of amplifiers is 2Ω You must not strap 2 amps to a 1 Ω load The positive of the master amp goes to the Speaker terminal and the positive of the slave amp goes to the speaker terminal The amps are connected together by connecting a negative terminal from t...

Page 26: ...r 4Ω 450 watts Power 2Ω 700 watts Power 1Ω 1050 watts Power 2Ω Link 1800 watts THD Rated Power 0 05 Signal to Noise Ratio 90dB Freq Resp 10Hz to 350Hz 1dB LP freq crossover 30Hz 250Hz Input Sensitivity 25v to 8v Phase shift control 0 180 Subsonic filter 10Hz 60Hz Bass boost 45Hz 0 12dB Dim in mm 190 W x 62 H x 275 L Overall 190 W x 62 H x 305 L Recommended fuse 100A fast blow Z 2KD II Power 4Ω 800...

Page 27: ......

Page 28: ...1 Modesto California USA Since 1974 zapco com ...

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