ALLEN & HEATH ML 3000, Service Manual

Page: 9 / 84

ML3000 Service Manual
9
Technical Specifications
0dBu = 0.775 Vrms, +4dBu = 1.23 Vrms
Operating Levels
Channels......................................... 0dBu He21dB
Mix .................................................. -2dBu He23dB
Max XLR output .............................. +23dBu
Frequency Response Referred to 1kHz at +4dBu
Mic to main output (+40dB)............. 20Hz to 70kHz +0/-0.5dB
Line to main output (0dB)................ 20Hz to 22kHz +0/-0.5dB
Distortion @1kHz 0dBu
THD+noise ...................................... < 0.01%
CMRR Common mode rejection @1kHz
Mic (+40dB)..................................... > 85dB
Mic + Pad (0dB) .............................. > 50dB
Crosstalk Referred to driven channel @1kHz
Channel to channel ......................... < -95dB
Mute shutoff .................................... < -85dB
Fader shutoff................................... < -85dB
Noise Performance Measured rms 22Hz to 22kHz unweighted
Mic EIN with 150 ohm source ......... -128dB
Residual output noise ..................... < -98dBu
Mix noise, nothing routed................ < -95dBu
Mix noise, 24 channels routed ........ < -88dBu
Metering
Reading 0................. 0dBu at XLR outputs
LED meters .............. Peak reading, 3 colours
VU meters ................ Ave reading, Illuminated moving coil
Peak indicators ........ 5dB before clip, multi-point sensing
Input meters ............. 4 bar LED (signal, 0, +6, peak)
Group/Mtx meters .... VU
L,R,C meters............ VU and 16 bar LED
Lamp Connectors x3
Connector ....................................... XLR-F 4pin
Rating.............................................. 12V 400mA max
Channel Filters
Slope ............................................... 12dB/oct high pass
Frequency ....................................... Off to 400Hz
Mono Equaliser
HF................. +/-15dB, 12kHz shelf
HM................ +/-15dB, 500Hz to 15kHz bell Q=1.9
LM ................ +/-15dB, 35Hz to 1kHz bell Q=1.9
LF ................. +/-15dB, 60Hz shelf
Stereo Equaliser
HF................. +/-15dB, 12kHz shelf
HM................ +/-15dB, 2.5kHz bell Q=1.6
LM ................ +/-15dB, 250Hz bell Q=1.6
LF ................. +/-15dB, 60Hz shelf
Power Supply
Model RPS11
Case ........................... External 3U rack or floor mount
Type ........................... Linear, convection cooled
Mains Voltage ............ 100,120,220,230 V.AC selectable
Mains Frequency........ 50/60Hz
Power consumption.... 300W
Dimensions Width.............. Depth ...... .....Height
24 Channel 1141 (45”) ...... 640 (25.2”) ....252 (9.9”)
32 Channel 1396 (55”) ...... 640.......... .....252
40 Channel 1651 (65”) ...... 640.......... .....252
RPS11 psu 483 (19”) ........ 229 (9”) ... .....134 (3U)
RPSD2 483 (19”) ........ 180 (7”) ... .....45 (1U)
Weights 24 Channel..... 34 kg (75 lbs)
32 Channel..... 41 kg (90 lbs)
40 Channel..... 48 kg (106 lbs)
RPS11 psu..... 9.5 kg (21 lbs)
RPSD2 ........... 6kg (13 lbs)
INPUTS:
Mic (Pad out)................ XLR.................balanced, pin2+........ 2k ohm ..............variable -60 to -10dBu ........ Max +11dBu
Mic/Line (Pad in) .......... ........................ ................................. >10k ohm..........variable -40 to +10dBu ....... Max +31dBu
Stereo ST1-4 ............... TRS jack .........balanced, tip+........... >20k ohm..........variable -18 to +6dBu ......... Max +27dBu
2-Track......................... TRS jack .........balanced, tip+ .......... >20k ohm..........+4dBu ................................. Max +25dBu
Matrix Ext In ................. TRS jack .........balanced, tip+........... >20k ohm..........0dBu ................................... Max +21dBu
INSERTS:
Input ............................. TRS jack .........unbalanced, tip send, ring return.........0dBu ................................... Max +21dBu
Output .......................... TRS jack .........unbalanced, tip send, ring return.........-2dBu.................................. Max +21dBu
Matrix ........................... TRS jack .........unbalanced, tip send, ring return.........-2dBu.................................. Max +21dBu
OUTPUTS:
L,R,C............................ XLR.................balanced, pin2+........ <75 ohm............0dBu ................................... Max +23dBu
Grp 1-4......................... XLR.................balanced, pin2+........ <75 ohm............0dBu ................................... Max +23dBu
Aux 1-8......................... XLR.................balanced, pin2+........ <75 ohm............0dBu ................................... Max +23dBu
Matrix 1-4 ..................... XLR.................balanced, pin2+........ <75 ohm............0dBu ................................... Max +23dBu
Direct out...................... TRS jack .........ground comp, tip+ .... <50 ohm............0dBu ................................... Max +21dBu
2-Track......................... TRS jack .........ground comp, tip+ .... <50 ohm............0dBu ................................... Max +21dBu
TB/Osc out ................... TRS jack .........imp balanced, tip+.... <50 ohm............0dBu ................................... Max +21dBu
Local Monitor ............... TRS jack .........imp balanced, tip+.... <50 ohm............0dBu ................................... Max +21dBu
Headphones................. TRS jack .........tip left, ring right........ for stereo headphones >30 ohms