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Yamaha DSP -A780 Operation Manual: Specifications

Digital sound field processing amplifier.
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Minimum RMS Output Power Per Channel
Main (20 Hz – 20 kHz 0.015% THD 8Ω)
[U.S.A. and Canada models] ............................................................. 65W+65W
[Australia, Europe, U.K. and General models] .................................. 60W+60W
Center (20 Hz – 20 kHz 0.015% THD 8Ω)
[U.S.A. and Canada models] ....................................................................... 65W
[Australia, Europe, U.K. and General models] ............................................ 60W
Rear Effect (1 kHz 0.03% THD 8Ω) ..................................................... 25W+25W
Maximum Output Power [General model]
Main (1 kHz 10% THD 8Ω) .................................................................. 95W+95W
Center (1 kHz 10% THD 8Ω) ......................................................................... 95W
Dynamic Power Per Channel
(by IHF Dynamic Headroom Measuring Method)
[U.S.A. and Canada models]
(8Ω/6
) ............................................................................... 75W/90W/105W
DIN Standard Output Power Per Channel [Europe model]
(1 kHz 0.7% THD 4 ) .................................................................................. 100W
Dynamic Headroom [U.S.A. and Canada models]
(8 ) .............................................................................................................. 1.2 dB
IEC Power [Europe model]
(1 kHz 0.015% THD 8Ω) ................................................................................ 70W
Damping Factor
(1 kHz 8 ) ........................................................................................ More than 75
Input Sensitivity/Impedance (100W/8Ω)
CD/TUNER/TAPE/LD/VCR/AUX ................................................... 150 mV/47 k
Maximum Input Signal
CD/TUNER/TAPE/LD/VCR/AUX
(1 kHz 0.5% THD, EFFECT ON) ................................................ More than 2.3V
Output Level/Impedance
REC OUT .......................................................................................... 150 mV/1 k
LOW PASS (fc=200 Hz) (EFFECT OFF) .......................................... 4.0V/1.8 k
38

SPECIFICATIONS

Headphone Jack Rated Output/Impedance
Frequency Response (20 Hz – 20 kHz)
Total Harmonic Distortion
Signal-to-Noise Ratio (IHF-A Network)
Residual Noise (IHF-A Network)
Channel Separation Vol –30 dB
Tone Control Characteristics (MAIN L/R)
Filter Characteristics (Highcut Filter)
Audio muting ................................................................................................. –20 dB
Output Level (8Ω, 1kHz, 0.03% THD) ............................................................ 0.2V
Impedance .................................................................................................... 100
CD/TUNER/TAPE/LD/VCR/AUX to MAIN L/R SP OUT ........................ 0±0.5 dB
CD/TUNER/TAPE/LD/VCR/AUX to SP OUT
30W/8Ω, MAIN L/R, 20 Hz – 20 kHz ....................................... Less than 0.02%
10W/8Ω, REAR L/R, 1 kHz......................................................... Less than 0.3%
Built-in amplifier
30W/8Ω, MAIN L/R, CENTER, 20 Hz – 20 kHz..................... Less than 0.008%
10W/8Ω, REAR L/R, 20 Hz – 20 kHz ...................................... Less than 0.03%
CD/TUNER/TAPE/LD/VCR/AUX (Input Shorted) (EFFECT OFF)
..................................................................................................... More than 96 dB
MAIN L/R SP OUT ..................................................................... Less than 150 V
CD/TUNER/TAPE/LD/VCR/AUX Input 5.1 k Terminated (EFFECT OFF)
1 kHz/10 kHz .................................................................. More than 60 dB/45 dB
Bass
Boost/Cut .................................................................................... ±10 dB (50 Hz)
Turnover frequency .................................................................................. 350 Hz
Treble
Boost/Cut ................................................................................... ±10 dB (20 kHz)
Turnover frequency ................................................................................. 3.5 kHz
LOW PASS (fc = 200 Hz) ........................................................................ 6 dB/oct.

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