Specifications; Audio Input - Extron electronics MPA 152 MD User Manual

Specifications

Audio
Voltage gain
Balanced .................................. 25x (28 dB)
Unbalanced ............................. 50x (34 dB)
Stereo channel separation .............. >60 dB @ 1 kHz
CMRR ............................................ 74 dB (typical) @ 1 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
Connectors .................................... (1) 3.5 mm captive screw connector, 5 pole (main input)
Impedance ..................................... >10k ohms unbalanced/balanced, DC coupled
Maximum level ............................... -3 dBV (unbalanced), +3 dBV (balanced) at 1% THD+N
Input sensitivity
Balanced .................................. -10 dBV
Unbalanced ............................. -16 dBV
NOTE:
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
Load impedance ............................. 4 ohms, minimum
Amplifier type ................................ Class D
Output power ................................ 8 watts rms per channel, 8 ohms, 1 kHz, 1% THD
Frequency response ........................ 20 Hz to 20 kHz, ±3 dB
THD + Noise ................................... 0.15% @ 1 kHz at nominal level (1 watt, 8 ohm load)
S/N ................................................. 74 dB at 20 Hz to 20 kHz (unweighted)
Damping factor .............................. >30 at 4 ohms
Control/remote — amplifier
Control port ................................... (1) 3.5 mm captive screw connector, 3 pole
Pin configuration ............................ Pin 1 = +10 VDC, 50 mA (max.), pin 2 = volume/mute (variable voltage),
Volume control voltage range ......... 0 V (mute) to 10 V (maximum volume)
2 stereo, unbalanced inputs
(The three inputs are individually buffered and mixed together.)
(1) 3.5 mm mini audio jack (tip, ring, sleeve)
1 pair RCA
15 watts rms per channel, 4 ohms, 1 kHz, 1% THD
pin 3 = GND
MPA 152 MD • Specifications 11