Yamaha MX-55 Owner's Manual page 12

Natural sound 2-/4-channel dual-mode power amplifier
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Rated outputs
Minimum
RMS output power per channel
Two-channel operation (20 Hz — 20 kHz)
0.003% THD, 8 ohms
.........................068. Seer eee .. TOW
0.003% THD, 6 ohms
........ Se
ere TERET 80W
Four-channel
operation (20 Hz - 20 kHz)
0.005% THD, 8 ohms
aaao
35W
0.005% THD, 6 ohms
0.a
cece cece eee 40W
Dynamic Power per channel
Two-channel operation
(1 kHz, 8 ohms/6 ohms)
a
106W/126W
Four-channel operation
(1 kHz, 8 ohms/6 ohms)
a
eee 52W/62W
Dynamic Headroom
Two-channel
operation
(8 ohms/6 ohms)
1.80 dB/1.97 dB
Four-channel operation
(8 ohms/6 ohms)
...........................0...0000 1.72 dB/1.90 dB
Power Band Width
Four-channel operation
i
(0.03% THD, 17.5W/8 ohms)
..................... 5 Hz — 100 kHz
Total
Harmonic
Distortion
Two-channel operation (1 kHz, 35W/8 ohms)
........... 0.002%
Four-channel operation (1 kHz, 17.5W/8 ohms)
........ 0.003%
Signal-to-Noise Ratio (IHF-A-Network,
Input short-circuit)
Two-channel
operation
............0.0......0.0
0.0 cece
122 dB
Four-channel operation
.......................0
ccc cece eee eee 119 dB
Residual
Noise (IHF-A-Network)
.......
cece eee ees 16un.V
Channel Separation
(1 kHz, vol. -30 dB, Input shorted)
Two-channel
operation
...........
cece cece eee ee 110 dB
Four-channel operation ............... ETA
EE E E A 90 dB
Power Supply
0... asaran reni AC 120V, 60 Hz
Rated Power Consumption
0.. acceca
400W 500 VA
AC Ouilet (unswitched)
............
eannan
200W max.
Dimensions (W x H x D)
00a
435 x 129 x 379 mm
(17-1/8" x 5-1/16" x 14-15/16")
Weight
l.. aaaea
ETN
9.5 kg (20 Ibs. 14 072.)
* Please note that the design and all specifications are subject to
change without notice.
|
Damping
Factor (1 kHz, 8 ohms)
.............. Pa
edema
170
input Sensitivity/Input Impedance
Two-channel operation
........0......0........... .... 1.0V/20 k-ohms
Four-channel operation ...........................0.658, Q.7V/20 k-ohms
Frequency Response
................... 20 Hz — 20 kHz, +0/-0.3 dB
HAMAMATSU, JAPAN
YAMAHA CORPORATION
VF826 [0-0
BWgg, V ® (@ Printed in Japan.

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