M3+
Blackline M3
+
Electronic controller
features
Dedicated Blackline+Series controller
Two-way stereo operation
Plug-in Blackline+system-specific card
Advanced limiter design
19” 1U standard rackmount
applications
Control of Blackline+Series loudspeakers
Live and fixed installation use
Century Point, Halifax Road, Cressex Business Park,
High Wycombe, Buckinghamshire HP12 3SL, England.
Telephone: +44 (0)1494 535312 Facsimile: +44 (0)1494 438669
E-mail: info@martin-audio.com
All information is Copyright © 2007 Martin Audio Ltd.
The M3+is a versatile system controller, housed in a
single rack unit, which has been specifically designed to
enhance the performance of the Blackline range of
loudspeakers. The M3+controller provides active
crossover, EQ and limiter functions for the bi-amped
H3T+/H3+as well as various Blackline+sub-bass/fullrange combinations.
www.martin-audio.com
overall dimensions
technical specifications
INPUTS 2 electronically balanced
IMPEDANCE 20K ohms (10K ohms per leg single ended)
CMRR 60dB 20Hz – 10kHz
CONNECTORS 3 pin female XLR
OUTPUTS 4 electronically balanced
SOURCE IMPEDANCE 62 ohms
MIN. LOAD IMPEDANCE 600 ohms
MAX. OUTPUT + 20dBu into 600 ohms
CONNECTORS 3 pin male XLR
FREQUENCY RESPONSE -3dB @ 18Hz 12dB/octave
-3dB @ 45KHz 12dB/octave
(ultimately set by system parameters)
DISTORTION + NOISE 0.01% THD @ 2V output (limiters cancelled)
SIGNAL + NOISE/NOISE RATIO
> 100dB @ 2V output
LIMITERS Individual for each channel
Ratio 20:1. Threshold range – 12dBu
to + 12dBu in 16 steps
MAINS SUPPLY Captive 2m 3 core cable
MAINS VOLTAGE Internally selectable by hard wire link
100-120/220-240V. AC, 50/60Hz
Voltage tolerance on each setting ± 10%
MAINS FUSE 100-120V and 220-240V: 160mA Type ‘T’ (L)
DIMENSIONS (W) 482mm x (H) 44mm x (D) 155mm
(W) 19ins x (H) 1.75ins (1U) x (D) 6.1ins
WEIGHT 2.4kg (5.28lbs)
professional
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