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MPA 152 Amplier • Reference Information
Reference Information
A-2
Specifications
Audio
Gain
Balanced ............................. 25x (28 dB)
Unbalanced ........................ 50x (34 dB)
Stereo channel separation ............ >60 dB @ 1 kHz
CMRR .............................................. 74 dB @ 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
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 ...................................... > 10k ohms, balanced/unbalanced, DC
coupled
Nominal level ................................ +4 dBu (1.23 Vrms) balanced or
-10 dBV (316 Vrms) unbalanced
Maximum level .............................. -3 dBV (unbalanced), +3 dBV (balanced)
at 1% THD+N
Input level sensitivity
Balanced ............................. -10 dBV
Unbalanced ........................ -16 dBV
N
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
Amplier Type ............................... Class D