Pioneer sa 900 brochure
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Page 1
PROFESSIONAL-TYPE ALL SILICON SOLID STATE PRE/MAIN STEREO AMPLIFIER
The SA-900 is one of Pioneer's most advanced amplifiers. It contains professional features neatly compacted into an all solid state set that's
ideal for use with high performance stereo systems. It presents a powerful 200 watt integrated amplifier of exceptional flexibility. Only the
finest and most expensive materials have been used throughout, from the low noise silicon transistors in the MC and front end sections to the
special Brazilian rosewood tipping the front panel. The control amplifier has FET and advanced 3-stage E-S (Emitter-Source) feedback circuitry.
The pre and main amplifiers can be used independently and there are inpUts for a wide variety of Cartridges and 2 sets of speaker terminals.
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PIUNEER WORLD-FAMOUS BRAND IN HI-FI REPRODUCTION
Page 2
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FEATURES OF THE SA-900
PREAMPLIFIER IS COMPOSED OF THREE PRECISION-MADE
SECTIONS:
MC section. Using very special low-noise transistors, this section
adequately amplifies low output moving coil cartridges; has very low
noise level.
Front end section. Uses low-noise silicon transistors and a direct-
coupled 3-stage E-E feedback circuit resulting in significantly better
frequency response, a decrease in harmonic distortion and improved
tonal quality.
Control amplifier section. Features FET and a direct-coupled 3-stage
E-S feedback circuit. Givesa high S/N ratio and minimum distortion
TRULY PRECISE TONE CONTROLS
Despite their markings, most sets have controls that are very approx-
imate. In fact, they are not usually flat even when set at flat. The
SA900 is radically different. Set its tone controls at flat and the
signal really comes out flat! Accurate 3dB step controls for indi-
vidual bass and treble adjustment.
POWER-PACKED MAIN AMPLIFIER
This superior amplifier puts out a full 145 watts at 8 ohms with
distortion under 0.5% at 1kHz (IHF music power). That is more
than enough to fill a concert hall. Damping factor is better than
67 at 8 ohms. Silicon varistor is used for temperature compensation
and stable performance at all times.
INDEPENDENT USE OF PRE AND MAIN AMPLIFIER
A selector switch on the rear panel allows independent use of pre
and main amps, desirable for multi-channel systems. The pre-
amplifier is designed to be used as a control amplifier.
EXCEPTIONAL FLEXIBILITY - GREAT RANGE OF INPUTS &
OUTPUTS
The SA-900 features, for example, two phono inputs. By means of
push-button selection, one input accomodates either a high output
MM type cartridge or a low output MC cartridge. Naturally there's
a tape monitor for tape/source comparison and there are also two
sets of speaker outputs.
A HOST OF REFINEMENTS
A few Pioneer extras include Hi-Low filters, a special muting
switch of --20dB, and the SA-900 can also be used as a channel
amplifier by setting the channel filter between pre and main
amplifier sections.
SPECIFICATIONS OF THE SA-900
AUDIO SECTION
Circuitry: Quasi-complementary single ended push-pull
circuitry
200 wattsat 4o (distortion 0.3% at 1 k z/l F
145 watts at 8:2 (distortion 0.3% at 1 k z/l F
84W/84W at 40 (distortion 0.3% at 1 k z)
BOW/60W at 80 (distortion 0.3% at 1 k z)
64W+64W at 40 (distortion 0.3% at 1 k z)
50W+50W at 80 (distortion 0.3% at 1 k 2)
Less than 0.08% (45W, at 1 kHz)
i1 dB, 20 HZ to 50,000 HZ (AUX)
20 Hz to 50,000 Hz (distortion 0.3% constant/
IHF)
PHONO: Better than 80 dB, AUX: Better
than 95 dB (volume; maximum, tone; flat
at the rated output)
Better than 67 at 80 (at 1 kHz)
v
Music Power Output:
)
Continuous Power Output:
Continuous Power Output:
(both channels driven)
Harmonic Distortion:
Frequency Response:
Power Bandwidth:
S/N Ratio:
Damping Factor:
Inputs and Audio Sensitiv- P ONE (MM) 3.1 mV 50 kc
ity, Input Impedance (at P ONO (MC) 0.155 mV 150 km
1 kHz): P ONO (CEB) 71 mV 100 km
MIC 1.9 mV 50 kc
"APE HEAD 1.8 mV 150 kg
"APE MONITOR 180 mV 200 ko
"UNER 180 mV 200 km
AUX 180 mV 200 kn
MAIN IN 500 mV 100 kg
Output Terminals and Jacks: Speakers: 4 to 160
Simultaneous tape recording output: 180 mV
Center channel output: 500 mV
Tape recording/playback connector
standards)
Stereo headphone jack, Pre out: 3V
(DIN
Cross Talk: PHONO Less than "48 dB (1 k z)
AUX Less than -50 dB (1 k 2)
Tone Controls (3 dB Step): BASS '9 dB to +12 dB (at 100 z)
TBEBLE 12 dB to +9 dB (at 10 k 2)
Filters: LOW -6 dB (12 dB/oct at 50 Hz)
HIGH '6 dB (12 dB/oct at 10 kHz)
Equalization Curves: PHONO NFB type RIAA
TAPE HEAD NFB type NAB
Switchable to ON-OFF
+14 dB at 50 Hz
+7 dB at 10 kHz (with the volume control
set at ~40 dB)
20 dB
Switchable to ON-OFF
Less than 0.8 mV at 89 (volume; minimum,
tone; flat)
Loudness Contour:
Muting:
Residual Noise:
POWER SUPPLY, etc.
Power Supply:
Power Requirements:
Bridge rectifier using silicon diodes
110, 117, 130, 220, 240 volts (switchable)
50-60 HZ, AC
250 VA (at the maximum power output)
15-15/16"(WIX 5-1/2"(HIX13-11/32"(D)
405(W)x140(H)x339(D) mm
27 lbs 12.3 kg
Power Consumption:
Dimensions:
Net Weight:
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15-5, 4-chome, Ohmori-nishi, Ohta-ku, Tokyo, Japan
For a really advanced stereo set-up, the SA-900 is designed to combine to perfectionth the TX-900 stertuener.
6905 -OK4 Printed in Japan
PIONEER ELECTRONIC (EUROPE) AG.
59, Forch Strasse, 8032 Zurich, Switzerland
PIONEER ELECTRONICS U.S.A. CORPORATION
140 Smith St., Farmingdale, L.l.,N.Y.11735, U.S.A.