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SCOPE OF DELIVERY

• 

EQ1 stereo equalizer unit 
in the 500 series format

• 

this User Manual

• 

(spare) countersunk screws (4 pcs.) for rack 
mounting UNC 4-40 3/8, silver

• 

knurled head screw with M3 thread 
(tool for extracting the unit, see below)

• 

(spare) countersunk screw for front panel M3, 
black, see below

Warning:

 Never insert a EQ1 unit while your rack is powered. 

It may cause damage to the unit as well as the rack.

EQ1 must not be operated at ambient temperatures above 40°C and below 5°C. 
As API series racks are equipped individually and the cabinets they are mounted in differ a lot in the way they are 
ventilated, there is no rule other than keeping an eye on the temperature inside the rack while in operation. 
Operating a unit beyond the limits can lead to severe damage.

In case you need to remove EQ1 from an API 500 series rack, you may use a gadget on the front panel: Remove the 
M3 countersunk screw in the LO MID section. In place of this screw, screw in the enclosed knurled head screw with 
M3 thread, gently without using any force. Then seize the tool and draw out the unit from the rack. Just draw on the 
tool, do not apply any force to the sides! Do not forget to unscrew the bolt and remount the M3 countersunk screw.

SETTING-UP OPERATION

EQ1 is designed to be operated in a API 500 series rack or compatible, occupying two slots.

Switch off power and remove the mains 
cable from your API 500 series rack

1.

Carefully insert EQ1 into two free slots, keeping 
the unit well aligned until the card edge 
connectors meet their counterparts

2.

Firmly push the unit in place 
– do not use excessive force

3.

Fix the EQ1 front panel with 4 screws 
supplied by your rack manufacturer 
(in case they are not available you 
may use our enclosed spare screws)

4.

Connect your audio I/Os to the rack 
and re-install power

5.

Содержание EQ1

Страница 1: ...Z HL EQ1 The legendary Z hl EQ from the state of the art mixing console AM1 in the API 500 format...

Страница 2: ...m an API 500 series rack you may use a gadget on the front panel Remove the M3 countersunk screw in the LO MID section In place of this screw screw in the enclosed knurled head screw with M3 thread ge...

Страница 3: ...ingle Band Switching Individual ON OFF switching direct comparison each band ON OFF while leaving GAIN pot in position minimizing noise preserving signal integrity by switching OFF unused bands Twin C...

Страница 4: ...ghout signal chain HI EQ gain range 15 dB or 5 dB bypass in mid position potentiometer center sense logic individual ON OFF switch frequency 2 kHz to 20 kHz BELL SHELF characteristic switchable for ef...

Страница 5: ...nge switchable to 40 Hz to 400 Hz 5 adjustable Q factor LO EQ gain range 15 dB or 5 dB bypass in mid position potentiometer center sense logic individual ON OFF switch frequency 30 Hz to 300 Hz BELL S...

Страница 6: ...Bu 6 dBu 4 dBu Power DC Voltage DC Current Connector Pin Out Card Edge 15 pin 0 156 space compatible to EDAC type 306 015 520 102 Contact no 01 is located at top 01 Ground Case 02 Bal Audio Output 03...

Страница 7: ...o do such checks 13 When shipping use a package which protects the equipment from environmental impact such as mechanical shock or humidity 14 The equipment applies to EU directives RoHS and WEEE Disp...

Страница 8: ...le Q factor LO MID fully parametric gain range selectable 5 dB or 15 dB bypass in mid position individual bypass switch frequency 200 Hz to 2 kHz freq range switchable to 40 Hz to 400 Hz 5 adjustable...

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