Behringer 903A Quick Start Guide
Quick Start Guide
903A RANDOM
SIGNAL GENERATOR
Legendary Analog Noise Generator
Module for Eurorack
Outputs
Send a pair o f white and/or pink nois e signals to other modu les via
3.5 mm TS cabl e.
(1) Turn the power su pply or rack case p ower o and
disconne ct the power cabl e.
(2 ) Ins ert the 16-pin conn ector on the power c able into the
socket on t he power supply or rac k case. The connec tor has
a tab that wi ll align with the gap in t he socket, so it can not
be inser ted incorrec tly. If the power supply d oes not have
a keyed socke t, be sure to orient pi n 1 (-12 V) with the
red str ipe on the cable.
(3 ) Ins ert the 10-pin con nector into the s ocket on the back of
the module. T he connector has a t ab that will align wi th
the socke t for correct or ientation.
(4 ) Af ter both ends of the po wer cable have been se curely
attac hed, you may mount the mo dule in a case and tur n
on the power s upply.
Installation
The neces sary screws ar e included with th e module for mount ing
in a Eurorac k case. Connect t he power cable bef ore mounting.
Dependi ng on the rack case, th ere may be a series of x ed holes
spaced 2 HP ap art along the leng th of the case, or a tra ck that
allows indi vidual threaded p lates to slide along th e length
of the cas e. The free-movi ng threaded plate s allow precise
positio ning of the module, bu t each plate should be po sitioned in
the approx imate relation to th e mounting holes in yo ur module
before attaching the screws.
Hold the mo dule against the Eur orack rails so that e ach of the
mounting h oles are aligned wi th a threaded rail o r threaded plate.
Attach t he screws part w ay to start, whic h will allow small
adjustments to the positioning while you get them all aligned.
After th e nal position has b een establishe d, tighten the
screws d own.
Power Connection
The module c omes with the requ ired power cable f or connecting
to a standa rd Eurorack power su pply system. Fol low these steps to
connec t power to the module. It is e asier to make these
connec tions before the m odule has been mou nted into a
rack cas e.
Specications
Outputs
Noise source, white 2 x 3.5 mm jack, AC coupled
Impedance 700 Ω unbalanced
Output level 0 dBu, 22 Hz - 22 kHz
Noise source, pink 2 x 3.5 mm jack, AC coupled
Impedance 700 Ω unbalanced
Output level +4 dBu, 22 Hz - 22 kHz
Power
Power supply Eurorack
Current draw 25 mA (+12 V),
Physical
Dimensions 23 x 20 x 129 mm
Rack units 4 HP
Weight 0.05 kg (0.11 lbs)
35 mA (-12 V)
(0.9 x 0.8 x 5.1")
LEGAL DISCLAIMER
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or statement contained herein. Technical specications, appearances and other information are subject to change without notice. All trademarks are the property
of their respective owners. Midas, Klark Teknik, Lab Gruppen, Lake, Tannoy, Turbosound, TC Electronic, TC Helicon, Behringer, Bugera, Auratone and Coolaudio are
trademarks or registered trademarks of Music Tribe Global Brands Ltd. © Music Tribe Global Brands Ltd. 2019 All rights reserved.
LIMITED WARRANTY
For the applicable warranty terms and conditions and additional information regarding Music Tribe’s Limited Warranty, please see complete details online at
musictribe.com/warranty.
Zhongshan Eurotec Electronics Limited
No. 10 Wanmei Road, South China Modern Chinese Medicine Park, Nanlang Town, 528451, Zhongshan City, Guangdong Province, China
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