Radio Shack MPA-50 User Manual
15
Specifications
ˆ
Specifications
Output Power at 1 kHz, 10% THD ............................................................................... 40 Watts
Power Bandwidth at 1W, 10% THD, Auxiliary Input ............................................ 70 Hz–20 kHz
THD at 2W, 1 kHz
MIC1 .............................................................................................................................. 1%
MIC2 .............................................................................................................................. 1%
AUX/CD ......................................................................................................................... 1%
PHONO ......................................................................................................................... 1%
MIC2 .............................................................................................................................. 1%
AUX/CD ......................................................................................................................... 1%
PHONO ......................................................................................................................... 1%
Input Sensitivity at 10% THD, 1 kHz
MIC1 ........................................................................................................................ 2.5 mV
MIC2 ........................................................................................................................ 2.5 mV
AUX/CD .................................................................................................................. 150 mV
PHONO ................................................................................................................... 3.5 mV
MIC2 ........................................................................................................................ 2.5 mV
AUX/CD .................................................................................................................. 150 mV
PHONO ................................................................................................................... 3.5 mV
Signal-to-Noise Ratio
MIC1 .......................................................................................................................... 65 dB
MIC2 .......................................................................................................................... 65 dB
AUX/CD ..................................................................................................................... 70 dB
PHONO ..................................................................................................................... 70 dB
MIC2 .......................................................................................................................... 65 dB
AUX/CD ..................................................................................................................... 70 dB
PHONO ..................................................................................................................... 70 dB
Frequency Response at 8 Ohms, 2W
MIC1 ............................................................................................................. 70 Hz–20 kHz
MIC2 ............................................................................................................. 70 Hz–20 kHz
AUX/CD ........................................................................................................ 70 Hz–20 kHz
PHONO .............................................................................. 100 Hz/12 dB (10 kHz/–13 dB)
MIC2 ............................................................................................................. 70 Hz–20 kHz
AUX/CD ........................................................................................................ 70 Hz–20 kHz
PHONO .............................................................................. 100 Hz/12 dB (10 kHz/–13 dB)
Equalizer Control Range at Each Band (Peak Point)
150Hz ....................................................................................................................... ±12 dB
1kHz ........................................................................................................................ ±12 dB
6kHz ........................................................................................................................ ±12 dB
1kHz ........................................................................................................................ ±12 dB
6kHz ........................................................................................................................ ±12 dB
Crosstalk from AUX to PHONO ....................................................................... 40 dB (Nominal)
Hum and Noise at 8 Ohms
at Master Volume Minimum ....................................................................... 1 mV (Nominal)
at Master Volume Maximum .................................................................... 50 mV (Nominal)
at Master Volume Maximum .................................................................... 50 mV (Nominal)
Priority Terminals ............................................................................................... Normally Open
Power Requirement ........................................................................................... 120V AC 60 Hz
Dimensions (HWD) ......................................... 3
7
/
8
×
12
3
/
4
×
10
1
/
2
Inches (98
×
324
×
267 mm)
Weight ............................................................................................................ 9 lb 10 oz (4.4 kg)
Specifications are typical; individual units might vary. Specifications are subject to change and
improvement without notice.
improvement without notice.
32-2002.fm Page 15 Friday, February 11, 2000 11:36 AM