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The Zapco DSP-Z8 IV II  Series

DSP-Z8 IV II Digital Signal Processor and ADSP-Z8 IV-8 Amplifier/Processor

Congratulations on your purchase of this new Zapco DSP-Z8 IV II series product. It has been
designed and built to give you many years of reliable, industry leading performance and true
audiophile level sound quality.

Zapco Introduced the world to full function in-car digital processing in 2004 with the Zapco
DSP-6 and the Zapco Digital Processing Network. This was the first full function DSP for the
car and included a full line of amplifiers with full function digital processing build right in. 
In 2016 we brought out our fourth generation of processing in the Zapco DSP-Z8 IV. The Z8
IV was a mid-priced unit designed to bring audiophile processing in an affordable package,
and it did just that. The Zapco DSP-Z8IV met rave reviews, out performing DSPs costing twice
as much, with a straightforward, easy to navigate interface so tuning would be a breeze, and
an analog signal to noise of -106dB (-110dB Digital).  

The new DSP-Z8 IV II series processing takes the IV to a whole new level. Sonically the DSP-
Z8 IV II has all the qualities of the original IV with an even lower noise floor. For advanced
tuning possibilities the VI II has a much-improved GUI with many important upgrades. 

In addition, for all those who need everything in a very small package, the DSP-Z8 IV II series
bring all this great processing to the ADSP-Z8 IV-8, an eight-channel full range Class D 
amplifier with 80 Watts RMS per channel, at 4 ohms. That puts the Z8 IV II processing and an
8-Channel amplifier in a single convenient one-box installation.  

Reality Check

The automobile is a difficult environment for listening to music. There are reflective surfaces
that distort the sound, absorptive surfaces that impede it, and you are never in the ideal 
listening position. The Z8 IV II processing will allow you to compensate for the shortfalls of the
auto environment to create the live listening experience.  However, we highly recommend
that you engage the services of a professional installer experienced in system tuning as a
final step. A professional tuner will have many hours of experience in system tuning and the
necessary tools, like a Real Time Analyzer and distortion analyzer to see how the sound waves
are acting in your vehicle. With the proper tools and experience a professional can tell what
frequencies to boost, which to cut, and what other minor tweaks are needed to get the best
live musical experience from your car.

Содержание ADSP-Z8 IV-8

Страница 1: ...Before operating the unit please read this manual throughly and retain it for future reference DSP IV II SERIES Owner s Manual...

Страница 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...

Страница 3: ...IV with an even lower noise floor For advanced tuning possibilities the VI II has a much improved GUI with many important upgrades In addition for all those who need everything in a very small packag...

Страница 4: ...optical or auxiliary input cables Depending on your installation you will probably want to run all the wires and cables to the unit s mounting location before mounting Once the area is prepared mount...

Страница 5: ...tion 6 High level OEM input connector 7 Dash remote port 8 USB connector for PC control 9 Optical port for digital input 10 Main power connector for 12V Power yellow Ground black Turn on from head uni...

Страница 6: ...low level inputs 9 BT indicator blinks while looking for a Bluetooth device then goes solid when it is paired 10 Speaker output connectors for Ch 5 8 11 Speaker output connectors for Ch 1 4 Note 1 the...

Страница 7: ...t users do you can push the volume control in one time and the bass level will begin to flash and it becomes an output level control for channels 7 8 2 The readout normally gives you the volume level...

Страница 8: ...ou will see the usual installation prompts as the program is installed After the program installation you will see the driver installation After the drivers are installed the PC will restart to finish...

Страница 9: ...gin 9 After you click Next in step 8 the program Installs After the installation the drivers must be installed When you get the prompt at the left computers differ The driver installation may be autom...

Страница 10: ...equired in the future to make modifications This is important since anyone with a smart phone can connect to the Z8 IV II GUI The password will prevent unauthorized access to your DSP settings Make yo...

Страница 11: ...an choose 2Ch 4Ch 6Ch or OEM MIX In MIX all the left channel information and all the right channel information will be summed to a single full range stereo pair 2 Next to Inputs a default I O map will...

Страница 12: ...een two speakers with the Solo buttons for A B comparisons if you are equalizing Left and Right speakers separately this is recommended only for experienced tuners 5 Channel Link for Crossover Delay a...

Страница 13: ...k into one of the parameter boxes and use the keyboard arrows The active channel s EQ plot will always be visible as will the crossover plot for the active channel At the right side of the graph the c...

Страница 14: ...t are in the active preset in your DSP so you will always open the app to the settings you were last listening to After the APP Syncs to the DSP the Opening page gives you immediate access to the Syst...

Страница 15: ...ch channel number lets you set each channel s function The channels output level 4 is set by the slider and the level shows in the window The speaker icon 5 for each channel will mute the channel and...

Страница 16: ...boxes of each channel The mobile apps do not have the crossover link functions of the PC so each channel s crossover must be set individually Left Right channel pair should always have the same crosso...

Страница 17: ...t 5 These link button let you link channels together for equalization Note that you must turn the links off manually in the mobile apps 6 These are the Reset and Bypass buttons in the mobile apps Also...

Страница 18: ...input for the DSP Once the needed speaker input leads are connected to the high level input cable the MIX button on the GUI will sum the signals together so all processing channels will have a full ra...

Страница 19: ...lder If you do not wish to name the file you can use the system designated name Write to Device will open the memory preset menu There you can choose to save in any of 10 preset positions Unused posit...

Страница 20: ...ls together to form a single full range 2 Channel input The Channel map 3 for the main input will be in default mode after you choose the input type If you need to change the input for any channel you...

Страница 21: ...ed with the function column you should click the button back to Green When you make your function choices the system will assign default Crossovers 7 to protect the speakers from damaging frequencies...

Страница 22: ...re of car interiors it is still possible that you could be acoustically out of phase There are several methods of checking phase that you can research We offer one here System phasing can be a pretty...

Страница 23: ...a pair of speakers it never changes You do not change one without changing the other as they are now a matched pair If you have changed the crossovers of the tweeters for phase check you can put them...

Страница 24: ...id bass soft and weak Also listen for location you want the bass to be in the sound stage not in the trunk If your woofers are in a portable enclosure you may even want to move the box location to see...

Страница 25: ...pes of Equalizer in the DSP Z8 IV II GUI The early EQs were Graphic EQs Each band had an assigned frequency and an assigned Q factor Q determines the shape to the filter A low Q gives a wide adjustmen...

Страница 26: ...s you make the the fine adjustments 9 EQ Link buttons The first Equalization should always be done by R L channel pairs To do this you use the EQ Link buttons Example Click Ch1 in the CH OUTPUTS colum...

Страница 27: ...dd or subtract much to make to bring them all close to the shape you want Note that as much as possible you want to subtract with the EQ and not add as adding gain with the equalizer can cause more st...

Страница 28: ...rritate the listeners ears This irritation causes listener fatigue and after a while the listener will want to turn the system down or even off 1 and 2 Tuning issue So the number one goal in tuning is...

Страница 29: ...t Ch RCA Sensitivity 8 4 VRMS SIGNAL STAGE Freq Response 3dB 10 Hz 22 5 KHz 10 Hz 22 5 KHz S N Ratio Digital Input 110 dBA 110 dBA S N Ratio Analog Input 106 dBA 106 dBA THD N Digital Input 0 002 0 00...

Страница 30: ...Apex Aprilia ITALY Since 1974 zapco com...

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