Extron Electronics MPA 122 User Guide - Manual (Page 14)

MPA 122 • Specifications, Part Numbers, and Accessories MPA 122 • Specifications, Part Numbers, and Accessories
Specifications, Part Numbers, and Accessories
A-3 A-2
Audio
Frequency response ..................... 20 Hz to 20 kHz, ±1 dB @ 1 watt output
THD + Noise ................................ 0.15% @ 1 kHz at nominal level (1 watt,
8 ohm load)
S/N ................................................ >72 dB @ 20 Hz to 20 kHz at maximum
output (unweighted)
Stereo channel separation .......... >55 dB @ 1 kHz, >45 dB @ 20 kHz
CMRR ............................................ >80 dB @ 1 kHz, >70 dB @ 20 kHz
Bass adjustment ........................... ±10 dB @ 80 Hz (reference) to 1 kHz (2 dB
tolerance)
Treble adjustment ........................ ±10 dB @ 10 kHz (reference) to 1 kHz (2
dB tolerance)
Audio input
Number/signal type ................... 1 stereo, balanced/unbalanced input
2 stereo, unbalanced inputs
(The three inputs are individually
buffered and mixed together.)
Connectors .................................... (1) 3.5 mm captive screw connector, 5 pole
(main input)
(1) 3.5 mm mini audio jack (tip, ring,
sleeve)
1 pair RCA
Impedance .................................... >18k ohms unbalanced, >24k ohms
balanced, DC coupled
Nominal level ............................... +4 dBu (1.23 Vrms) balanced or -10 dBV
(316 mVrms) unbalanced
Maximum level
Level pot. at 12 o’clock .... +6 dBV (unbalanced), +16 dBu (balanced)
at 1% THD+N
Level pot. at 9 o’clock ...... +16 dBV (unbalanced), +23 dBu (balanced)
at 1% THD+N
Input level sensitivity ................. -10 dBV (316 mV) from unbalanced input
for maximum output (11 watts with a
4 ohm load and level set to maximum)
before clipping
0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu
Audio output
Number/signal type ................... 1 stereo or 2 mono (2 channels total)
Connectors .................................... (1) 5 mm captive screw connector, 4 pole
Minimum load impedance ......... 4 ohms
Amplifier type .............................. Improved Class D
Continuous power with a full load and 1% THD
At 4 ohms .......................... 11 watts (rms) per channel
At 8 ohms .......................... 7 watts (rms) per channel
Damping factor ............................ >30 (with a 4 ohm load)
Control/remote — amplifier
Control port .................................. (1) 3.5 mm captive screw connector, 3 pole
Pin configuration ........................... Pin 1 = 10 V, pin 2 = variable voltage or
mute, pin 3 = GND
General
External power supply ............... 100 VAC to 240 VAC, 50/60 Hz, external,
autoswitchable; to 12 VDC, 3 A (max.),
regulated
Power input requirements ......... 12 VDC, up to 3 A
Temperature/humidity .............. Storage: -40 to +158 °F (-40 to +70 °C) /
10% to 90%, noncondensing
Operating: +32 to +122 °F (0 to +50 °C) /
10% to 90%, noncondensing
Rack mount ................................... Yes, with optional 1U rack shelf, part #60-
190-01 or 60-604-01; or VersaTools ® rack
shelf, part #60-190-20 or 60-604-20. Above-
projector mountable with optional Multi-
Product Projector Mounting Kit #70-374-
01. Also furniture mountable with
optional Mini Under-Desk Mounting Kit,
#70-212-01.
Enclosure type .............................. Metal
Enclosure dimensions ................. 1.7" H x 4.3" W x 3.0" D (1U high, quarter
rack wide)
4.3 cm H x 10.9 cm W x 7.6 cm D
(Depth excludes connectors.)
Product weight ............................. 0.6 lbs (0.3 kg)
Shipping weight ........................... 3 lbs (2 kg)
Vibration ....................................... ISTA 1A in carton (International Safe
Transit Association)