Equipment information:

Pioneer A-91D Amplifier
Manufacturer:
Pioneer
Model: A-91D
Date:
Category: Audio, Video, TV, Multimedia
Group: Amplifier
Description: Stereo Amplifier
Information:
                                    Amplifier Section [U.S. and Canadian models]
Continuous average power output is 120 watts* per channel,
min., at 8 ohms from 20 Hertz to 20,000 Hertz with no more
than 0.003% total harmonic distortion.
Continuous power output (both channels driven, measured by
Audio Spectrum Analyzer)
20 Hz to 20 kHz, T.H.D. 0.005%, 40 . . . 170W + 170W 20 Hz
to 20 kHz, T.H.D. 0.003%, 6Ω . . . 140W + 140W 20 Hz to 20
kHz, T.H.D. 0.003%, 8Ω . . . 120W + 120W [U.K. and other
destination models]
Continuous power output (both channel drivew, measured by
Audio Spectrum Analyzer)
20 Hz to 20 kHz, T.H.D. 0.005%, 4Ω...........150W + 150W
20 Hz to 20 kHz, T.H.D. 0.003%, 8Ω...........120W + 120W
DIN continuous power output (both channels driven)
1 kHz, T.H.D. 1%, 8Ω..............................150W + 150W
1 kHz, T.H.D. 1%, 4Ω..............................170W + 170W
Power bandwidth
0.05%, 8Ω.................................................5
Hz — 60 kHz
Damping factor
(20 Hz to 20 kHz), 8Ω
...................................................60
Total harmonic distortion
(measured by Audio Spectrum Analyzer)
20 Hz to 20 kHz, 120W, 8Ω ................................
0.003%
Input sensitivity/impedance
PHONO (MM)...............................................2.5
mV/50 k$2
PHONO (MC)
...............................................0.25 ιγΛ//40Ω
CD, TUNER, LINE, TAPE..........................150 mV/50 kO
PHONO overload level
1 kHz, T.H.D. 0.01% (MM/MC)............... 200 mV/20 mV
Output level/impedance
TAPE REC, ADAPTOR OUTPUT.............150 mv/0.8k0
Frequency response
PHONO (MM), 20 Hz to 20 kHz.......................±0.2 dB
PHONO (MC), 20 Hz to 20 kHz .......................±0.3 dB
CD, TUNER, LINE TAPE 1 Hz to 150 kHz
+ 0
dB
Tone control (volume control set at -30 dB position)
BASS........................................................±8
dB (100 Hz)
TREBLE....................................................±8
dB (10 kHz)
Loudness contour (volume control set at -30 dB position)
+ 5 dB (100 Hz)/+ 3 dB (10 kHz)
Filter (SUBSONIC).....................................17 Hz
(12 dB/oct.)
Signal-to-Noise ratio (IHF short circuit, A network)
PHONO (MM, 5 mV input/MC, 0.5 mV input) 95 dB/83 dB
CD, TUNER, LINE, TAPE ....................................109 dB
Signal-to-Noise ratio (DIN, continuous power/50 mW)
PHONO (MM)...............................................74
dB/65 dB
CD, TUNER, LINE, TAPE............................92 dB/66 dB
DA Converter Section
Data format..............................Digital audio
interface format
Digital coaxial Input/Output
Rated input voltage/impedance.................0.5 Vp-p/750
Rated output voltage/impedance...............0.5 /ρ-ρ/75Ω
Digital Optical Input/Output
Rated Input Level..............................—26------18
dB m (<")
Rated Output Level......................................—22
dB m (?mF)
Audio Signal
Distortion rate (1 kHz, 2
V).................................. 0.003%
S/N (1 kHz, 2
V).......................................................98 dB
Frequency characteristics (10-20 kHz) .............±0.5 dB
Power Supply/Miscellaneous
Power requirements
U.S. and Canadian models ...................AC120V, 60 Hz
U.K. model........................................a.c. 240V,
50/60 Hz
Other destination models.............AC 110V/120 — 127V
220V/240V (switchable), 50/60 Hz
Power consumption
U.S. and Canadian models....................................
670W,
820 VA
U.K.
model..............................................................
1000W
Other destination
models...................................... 1000W
Dimensions....................... 457(W) χ 475(D) x 173(H) mm
18(W) χ 18-11/16(D) χ 6-13/16(H) in
Weight.....................................................29.2
kg (64 lb 6 oz)
Accessories
Operating instructions.
1
Specifications and design subject to possible modification
without notice due to improvements.
* Measured pursuant to the Federal Trade Commission’s Trade
Regulation rule on Power Claims for Amplifiers.

These manuals are available for the above equipment:

Pioneer -- A-91D -- User Manual
File name: Pioneer-7220-Manual-Page-1-Picture
Manual Type: User Manual
Pages: 12
Size: 719.80 Kbytes (737078 Bytes)
Language: english
Revision:
Manual-ID/Number: ARB-1076
Date:
Quality: Scanned document, all readable.
Upload date:
MD5: e103bb8d66943abe27c58aa7a6ebed56
ed2kID: 4c3507d59075c9b55bcf9c4d2a99167a
Downloads: 46 since 27 September 2015
Information:
-----------------------------CONTENTS-------------------------------
Connecting
Cords.................................................. 3
Troubleshooting
....................................................11
Panel
Facilities......................................................
6
Specifications........................................................12
Pioneer-7220-Manual-Page-1-Picture
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