Pioneer SA-9900

1 9 7 4 may 1974
1 9 8 0 1980

Yes : they still do make 'em that big and heavy. Just not as healthy, that's all.

If the next gen' would see a major improvement in specs (SA-9800), the SA-9900 was as lavish an integrated amplifier as the mid 1970s could produce, with an internal structure closely related to the SPEC series and the EXCLUSIVE C3 preamplifier.

Differential FET- and PNP/NPN-charged phono section, differential FET- and PNP/NPN-charged stepped tone controls, 2-gang volume control, biiiiiig trafo, two 22,000uF caps, large heatsinks cooling four pairs of 12A / 100W bipolars.

Plus a physical structure which many (most) would rapidly follow before the use of relays made internal layouts simpler for everybody : source i/o's to the right side, outputs to the left side - straight and simple.
However, since the speaker terminals are left side and the power section at the back, there still is _some_ signal travelling back and forth.

Looks-wise, it is safe to say that the SA-9900 set the tone for Pioneer's golden age, before the interesting, often magnificent if shortlived design attempts of the very late 1970s and early 1980s : solid stack of shiny silver with nothing else but... shiny silver !

The big volume pot is lit from its surrounds but it is something the 1970s photographers (and Pioneer's publicity teams) forgot to capture on film most of the time - silly.

As usual, available in Germany much longer than elsewhere (until 1981 !) by which time, in Japan, it was a very old and old fashioned thing for beginners with a strong 1974 nostalgia.
But unlike most of the early 1980s efforts, the SA-9900 still shines, today.

Pioneer SA-9900, image 1 Pioneer SA-9900, image 2 Pioneer SA-9900, image 3
Pioneer SA-9900 specifications
Title Value
Power : 2x 120W (4 Ohm, 1Khz) [2x 162W ?]
2x 120W (8 Ohm, 1Khz)
2x 110W (8 Ohm, 20Hz...20Khz)
THD : less than 0,1% (full power, 1Khz, 8 Ohm, DIN)
TIM : less than 0,1% (full power, 1Khz, 8 Ohm, DIN)
Power bandwidth : 5Hz...40Khz (2 channels on, 8 Ohm, 0,1% THD, DIN)
Frequency response : 7Hz...40Khz (+0/-1dB, 0,1% THD, DIN)
S/N ratio : >70dB (phono MM)
>90dB (tuner, tape, aux) [95dB ?]
>65dB (MIC)
Inputs : Phono 1 (2,5mV / 50kOhm)
Phono 2 (2,5mV...10mV / 35 / 50 / 75 [70 ?] / 100kOhm)
Tuner (150mV / 50kOhm)
Aux 1 & 2 (150mV / 50kOhm)
Tape 1 & 2 (150mV / 50kOhm)
MIC (6 - 24mV / 85kOhm)
Power amp IN
Outputs : 2x speaker pairs (4...8 Ohm)
1x PRE-out
1x Headphones
2x Tape out
Phono max. input : Phono 1: 500mV
Phono 2: 500mV - 1V
RIAA deviation : ± 0,2dB
50Hz Bass control : ± 4,5dB
100Hz Bass control : ± 7,5dB
10Khz Treble control : ± 7,5dB
20Khz Treble control : ± 4,5dB
Low filter : 15Hz or 30Hz (12dB/oct.)
High filter : 8Khz or 12Khz (12dB/oct.)
PC : 890W (full power)
AC outlets : 1x unswitched (max. 100W)
2x switched (max. 100W)
Dimensions : 42 x 16,5 x 40,3cm
Weight : 20kg.
FEATURES : 4 pairs of 2SA679 / 2SC1079 power transistors
22 step attenuator type volume control
1,5dB stepped tone controls
2x 22.000µF capacitors
fully differential [?] FET phono stages
indirectly lit volume big knob
Pioneer SA-9900 : 0 topic
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page online since : january 2005
page updated : march 2010
page type : LGT / KNB
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