Page - 10 Operator Manual – MX-508 Mixer
Copyright© 2006 – Ashly Audio Inc.
Specifications
SPECIFICATION MX-508
DISTORTION
THD at +4 dBu, 20Hz-20KHz <0.05%
THD at +20dBu, 30Hz-10KHz <0.05%
IMD (SMPTE) at +20dBu <0.05%
HUM & NOISE (20Hz-20KHz at max preamp gain)
Equivalent input hum and noise <-127dBu
Residual output noise, all levels at minimum <-100dBu
Master Level and one Ch. Level at nom <-80dBu
Aux 1 or 2 Out, Aux Master and one Ch. Aux at nom . <-80dBu
MAXIMUM VOLTAGE GAIN (±2dB)
Mic Input to Master Output, 600 ohm load 84dB
Line Input to Master Output, 600 ohm load 42dB
AUX SENDS
Mic Input to Aux Master Output, pre ch. level 76dB
Mic Input to Aux Master 2 Output, post ch. level 92dB
SUB Input to Master Output 12dB
AUX RETURNS 1 or 2 to Master Output 30dB
TAPE/CD In to Master Output 34dB
FREQUENCY RESPONSE
20Hz-20KHz +0.5/-1.0dB
50Hz-10KHz +0/-0.5dB
EQUALIZATION
Low ±12dB at 70Hz, shelving
Mid ±12dB peaking, 140Hz-8KHz
High . ±12dB at 15KHz, shelving
CROSSTALK
Adjacent inputs, 20Hz-20KHz <-65dB
Mic Input to Master Output, 1KHz <-65dB
Mic Input to Master Output, 20KHz <-55dB
VU METERS (Selectable to Main or Aux Outputs) 0VU = +4dBu
PEAK INDICATORS Indicator on Inputs, L & R outputs, lights 3dB below clipping
PHANTOM POWER
(+48 VDC applied to all Mic Inputs, switchable on front panel)
Maximum total current draw = 80mA.
Maximum single channel current draw = 14mA.
Gradual power-up and down to eliminate "pops".
SHIPPING WEIGHT 20 lbs. maximum with 8 input transformer options installed
POWER REQUIREMENTS 100-240 VAC, 50-60 Hz, 30 watts
Unless otherwise stated, specification conditions are: 150 source, Input Level set at "-40", all other controls set at nominal.
Input Specifications
Input
Balanced/
Unbalanced
Input Level & Pad
Load
Impedance
For use w/
Nominal
Sensitivity
Max Input
before Clip
Connector
Mic 1-8 Balanced
Input level @ -60 (pad out)
Input level @ -20 (pad out)
In
ut level
-20
ad in
1K
50 to
600 mics
-80 dBu
-40 dBu
-20 dBu
-42 dBu
0 dBu
+20 dBu
Female
XLR
Line 1-8 Balanced
Input level @-24
Input level @+22
10K
600 lines
-38 dBu
NA
-2 dBu
+24 dBu
1/4” TRS
Aux Returns
1 & 2
Unbalanced NA
10K
600 lines -26 dBu
+24 dBu Ret 1
+23 dBu Ret 2
1/4” TRS
Sub (L, R, Aux) Unbalanced NA
10K
600 lines -8 dBu +24 dBu 1/4” TRS
Tape/CD Unbalanced NA
10K
600 lines -30 dBu +15 dBu RCA
Output Specifications
Output
Balanced/
Unbalanced
Source
Impedance
For use w/
Nominal
Output Level
Nominal
Output Level Max
before Clip
Connector
Master Out (L, R) Transformer Balanced
200 600 lines
+4 dBu +24 dBu Male XLR
Master Out (L, R)
Mono Out
Aux Out 1
2
Servo Balanced
200 10 K lines
+4 dBu +23 dBu 1/4” TRS
Sub Out (L, R) Quasi-Balanced
200 10 K lines
+4 dBu +23 dBu 1/4” TRS
Sub Out (AUX 1,2) Unbalanced
680 10 K lines
+4 dBu +23 dBu 1/4” TRS
Tape Out (L, R) Un Balanced
680 10 K lines
+4 dBu +12 dBu RCA
Notes: 1. 0 dBu = 0.775 Vrms 2. Quasi-balanced output has balanced output with single ended signal 3. Sensitivity is input signal level which will produce +4 dBu out with all levels maximum
Safety Instructions – 3
Introduction - 4
MX-508 Mixer – 5
Connectors & Cables – 5
Physical Description - 6
Installation – 7
Typical Applications - 8
Factory Configs - 8
Troubleshooting - 9
Dimensions - 9
Specifications - 10
Warranty - 11
(5 pages)
(8 pages)
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