8 CHANNEL MICROPHONE PREAMP
Applications
• Console input extending for both Digital
and Analog mixing consoles in Studio,
Live and Broadcast
• Mic Pre-amps for ADAT/ Hard Disk/
Multitrack Recording
Innovation
If you love your compact Digital (or Analog)
mixing console, but wish it had more microphone inputs, ARX has the solution –
the 8 pre: eight channels of superb sounding Microphone Pre-amps in a compact 1
RU chassis. It’s the ideal console extender
for those times when you need more microphone inputs. Now you can put those
unused line inputs to good use, and who
knows - the 8 pre pre-amps sound so good
you’ll probably end up using them all the
time instead of the ones that came with your
mixer!
Superb Audio Quality
The 8 pre’s ultra low noise figures come
from extensive use of premium components
plus care and attention to board design and
layout. The result is superb, transparent audio quality and the headroom to handle anything that a mic can throw at it.
Gain is adjustable from 20 db through to 60
dB via a trim control on the front panel, plus
we’ve included a –20dB Pad switch to tame
the hottest condenser mic output if required.
The Clip status LED lights up 1 dB before the onset of clipping, just to warn
you you’re getting close.
Phantom power is switchable in banks
of four channels: 1 through 4, 5 through
8. A Phase reverse switch is also
provided on each pre-amp channel to
eliminate any close miking problems.
In short, the ARX 8 pre is the mic Preamp that you’ll wish the console manufacturer had used.
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8 Eight Ultra Low
noise mic preamps
8 Balanced XLR
inputs
8 Switchable
Phantom power
8 Individual Pad
switches
8 Individual
Phase Reverse
switches
8 pre front detail
8 Individual Gain
trim controls
Every day, ARX Audio interface products solve audio problems for
thousands of people around the world.
We don’t make digital or analog mixers
and we don’t have to cut any corners
on quality. We’re fanatical about audio
quality because we’re betting that you
are, too.
The ARX 8 pre provides a unique solution to today’s multiple Mic Pre-amp
requirements.
8 Comprehensive
LED status
indicators
8 Flawless per-
formance in any
audio environment
Input Gain
20dB – 60dB
Input Pad
–20dB
Input Impedance
4 KOhm
• Phantom power switch and status LED for
Channels 1 – 4
Input Headroom
+23dB
• -20 dB Pad switch and status LED
Output Impedance
300 Ohm
Output Level (Max)
+23dB
Frequency Response
20Hz – 20KHz ±0.2 dB
Signal to Noise ratio
Gain set @ 20 dB
–93dB Unweighted
–99dB ‘A’ weighted
Distortion @ Unity Gain
.004%, 20 Hz – 10 KHz
Dynamic Range
116 dB
Phantom Power
48 VDC
Input Connectors
Balanced XLR: Pin 1
Ground, Pin 2 +, Pin 3 –
Output Connectors
Balanced TRS jack
• Gain trim control 20 dB through to 60 dB
available
• Clip LED indicator
• AC input connector, with voltage switch and
fuse.
• Phase Reverse switch and status LED
• Marker panel for labelling pre-amp assigns
• Phantom power switch and status LED for
Channels 5 – 8
Channels 1 through 8 have identical controls
• Balanced TRS jack Outputs Channels 1
through 8
• Balanced XLR Inputs Channels 1 through 8
ARX Systems are based in Melbourne, Australia, where all ARX Products are assembled
and tested in our ‘state-of-the-art’ manufacturing facility
For over 20 years ARX has designed, manufactured and supported Audio Products for Professional users and applications worldwide
Clip Indicator
Illuminates 1 dB prior to
clipping
Power Requirements
100-120/220-240 V AC
50/60 Hz 8VA (8 watts)
on 3 pin IEC connector
Weight
5 lbs/2.2 Kg
Dimensions
19"W x 1¾"H x 6"D
482 x 44 x 155mm
The unit shall consist of 8 independent
microphone pre amplifiers, mounted in
a standard 1 RU all steel chassis with
extruded aluminium front panel.
Each pre-amplifier shall have a balanced
female XLR input connector (wired Pin
1 Ground, Pin 2 +, Pin 3 –) and a
balanced Tip-Ring-Sleeve output
connector (wired Tip +, Ring –, Sleeve
Ground) mounted on the rear panel.
Each pre-amplifier chnnel shall have a
Gain trim control on the front panel,
variable from 20 dB through to 60 dB.
Each pre-amplifier channel shall also
have -20 dB Pad switches and Phase
change switches.
48 V DC Phantom power shall be
available on each input, switchable in
banks of four, ie: Channels 1 through 4,
and Channels 5 through 8.
The Signal to Noise ratio @ 20 dB shall
be –93dB unweighted. Input impedance
shall be 4 KOhms, and the output
impedance shall be 300 Ohms.
Maximum Output Level shall be +23dB
AC power range shall be switchable 100
to 120V or 220 to 240V AC, and shall be
connected to the unit via a standard three
pin IEC connector, with built-in fuse and
voltage change switch.
The 8 channel microphone preamp unit
shall be the ARX 8 PRE
Specifications available on CD ROM
Our policy is one of continuous improvement, and therefore designs may
change without notice. However, unless otherwise stated, specifications will
always equal or exceed those previously given.
Latest updates always available on the ARX website - www.arx.com.au
ARX Systems Pty Ltd; PO Box 15, Moorabbin, Victoria 3189, Australia
Phone: 03 9555 7859 Fax: 03 9555 6747 International Fax +61 3 9555 6747
Email: info@arx.com.au
Internet: www.arx.com.au
©2003 ARX Systems Pty. Ltd. ACN 006 471 825. All rights reserved. ARX Systems® is a Registered Trade Mark