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dBZ-48d

Stereo zone mixer with with built-in DSP

March 2010

Serial number of this product:

This manual may not be reproduced or transmitted, either in part

or as a whole, by any means, be they mechanical or electronic,

without the express written permission of APEX N.V.

Содержание dBZ-48d

Страница 1: ...w w w a p e x a u d i o e u dBZ 48d User Manual...

Страница 2: ...V has taken all possible steps to ensure that the information given here is both correct and complete In no event can APEX accept any liability or responsibility for any loss or damage to the owner o...

Страница 3: ...March 2010 Serial number of this product 2010 APEX N V All rights reserved This manual may not be reproduced or transmitted either in part or as a whole by any means be they mechanical or electronic w...

Страница 4: ...the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over The apparatus should be located close enough to the AC outlet so that you can eas...

Страница 5: ...apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped Intended use The equipment may only be used for the purpose described in the operation instr...

Страница 6: ...nel 11 Overview 12 Wiring the unit 12 Overview 12 dBZ 48d Block diagram 13 Using the dBZ 48d 14 Mono operation 14 Menu system and navigation 14 Preset submenu 15 Audio submenu 15 Settings submenu 17 M...

Страница 7: ...L in your browser http productregistration apex audio eu As well as registering the product on line please take the trouble to record the serial number of the unit in the space provided on page 3 of t...

Страница 8: ...by pass for each output channel Simple menu system with LCD display Rugged all metal chassis Professional quality XLR connectors throughout 1U 19 rack mounting unit When used as a zoner any of the fo...

Страница 9: ...ent rack it is important to ensure that the operating temperature inside the rack does not exceed the upper limit This could be the case where the rack contains power amplifiers Acooling fan may be ne...

Страница 10: ...LED indicates Output Mute 10 is active The Left and Right channels of the Output may be summed with the MONO button As with the input mono function a 6 dB pad is inserted to maintain mono stereo leve...

Страница 11: ...th separate connectors for left and right channels The outputs are electronically balanced The pinout is as shown below PIN XLR male 1 GND 2 Hot 3 Cold IEC receptacle for AC mains A POWER switch of th...

Страница 12: ...nbalanced sources is illustrated below Balanced Unbalanced A ground lift facility is available on the dBZ 48d s inputs which may be useful in resolving earth hum issues Normally the input XLR s pin 1...

Страница 13: ...13 dBZ 48d Block diagram...

Страница 14: ...signals available at both L and R outputs of a channel This does not compromise the other output channels being used as stereo of course Menu System and Navigation The dBZ 48d s DSP functions delay t...

Страница 15: ...nter with No displayed reverts to the Preset submenu Home Menu page If the Preset is empty i e nothing has been previously saved in it the display also reverts to the Preset submenu Home Menu page Sto...

Страница 16: ...setting is Bypass Press Enter to adjust the filter frequency use the rotary encoder to select a frequency pressing Enter again to set it Press MENU UNDO to cancel the change Low Pass Filter Alow pass...

Страница 17: ...r to select it LCD Contrast It may be necessary to alter the characteristics of the LCD display under extreme ambient lighting conditions Use the rotary control and Enter to adjust Front Panel Lock To...

Страница 18: ...18 Menu flowchart...

Страница 19: ...ters are set to 25 Hz and 125 Hz respectively thus allowing only bass frequencies through to the LF unit Out 3 is also set to mono as stereo imaging can be dispensed with for LF and commonly only one...

Страница 20: ...ith a specific time delay inserted in each output to time align the various banks Each of the four stereo outputs is routed to its own stereo amplifier The output of each amplifier channel drives a pa...

Страница 21: ...common audio feed the problem becomes greatly exacerbated as it is likely that the video processing in each display will be different This is a situation that might be found in a venue such as a spor...

Страница 22: ...udio performance unity gain all settings flat Frequency response 20 Hz 20 kHz 0 5 dB THD N less than 0 005 4 dBu 20 Hz 20 kHz 22 kHz BW Dynamic range 110 dB ref 26 dBu 22 kHz BW unweighted Crosstalk 8...

Страница 23: ...ve specifications of this product at any time without prior notice and without any obligation to change or update equipment already delivered Dimensions Unit Width 482 mm 19 inch Height 44 mm 1U Depth...

Страница 24: ...by Apex Apex is not liable for and does not cover under warranty any loss of data or any costs associated with determining the source of system problems or removing servicing or installing Apex produc...

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Страница 28: ...u d i o e u Copyright 2010 APEX N V All rights reserved This manual may not be reproduced or transmitted either in part or as a whole by any means be they mechanical or electronic without the express...