Specifications: BM-A2-4SHD
Audio inputs
Analog inputs impedance 25k Ω differential
Digital inputs impedance 110Ω differential (XLR connector) or 75Ω unbalanced (BNC connector)
Analog monitor outputs
Max output level +15dB
Noise +THD -95dB (Analog input)
  -98dB (AES input)
Frequency response
All analog outputs 20 Hz to 20kHz ±1dB
Noise +THD -80dB w.r.t. maximum output
Speaker driver units
Peak acoustic level (@2ft) 100dB SPL
Shielding Magnetic
Meters
Level meters 4 x hi-resolution tri-color bargraphs
(All audio measurements made using Audio Precision un-wtd 22Hz to 22kHz )
Video
Input

1 x SD: SMPTE 259M
1 x HD: SMPTE 296M, 274M, 292M - 3G: 424M
Output 1 x composite video converted from selected SD input on BNC connector
Scales and Ballistics
NORDIC: Overall dynamic range: 54dB (+12 to -42dB)
Attack time: 5mSec
Fallback: 1.7Sec per 20dB decay
DIN PPM: Overall dynamic range: 55dB (+5 to -50dB)
Attack time: 10mSec
Fallback: 1.5Sec per 20dB decay
BBC PPM: Overall dynamic range: (+12 to-12dB from mark 7 to mark 1)
Attack time: 10mSec
Fallback: 2.85Sec (from mark 7 to mark 1)
VU: Overall dynamic range: 23dB (+3 to -20dB)
Attack time: 300mSec
Fallback: 300mSec
VU EXT: Overall dynamic range: 80dB (+20 to -60dB)
Attack time: 300mSec
Fallback: 300mSec
AES/EBU: Overall dynamic range: 60dB (0 to -60dB)
Attack time: 1mSec
Fallback: 1.5Sec per 20dB decay
Alarms Audio loss, audio-over-level, sustained audio anti-phase, AES/EBU carrier loss
General
Housing 19” Rack Mount: 2U high.
Outline Dimensions: 483mm(W) x 256mm(D) x 89mm(H)
Outline Dimensions: 19inch(W) x 10inch(D) x 3.5inch(H)
Power 100W (max) 90-264 VAC 50-60Hz Autoselect, Fuse 4A HAC
Environmental Temperature 0°C to 30°C Humidity 70% max (non-condensing)
Weight 14lbs (6kg)
Computer interface 9 pin RS-232 male PC-AT serial interface (null-modem)