Pioneer - SX-850 Solid state stereo amplifier

04
days
14
hours
26
minutes
41
seconds
Current bid
€ 750
Reserve price not met
Matthew McIvor
Expert
Estimate  € 1,500 - € 1,700
ES
€750
ES
€650

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Pioneer SX-850, manufactured in 1978, weight 19 kg, physical condition good, functional condition tested and working, includes power supply, serial number WJ84024GM.

AI-assisted summary

Description from the seller

Pioneer SX 850

Device in nice used condition.
Recently serviced.

Sounds fantastic. Used in combination with JBL 4312, Pioneer HPM 100 and Bowers & Wilkins CM9


Key specifications:

• Power: 65 watts per channel into 8 ohms (and 85 watts into 4 ohms). In practice these vintage receivers often deliver considerably more dynamic headroom than the official figures at the time suggested.

• Weight: An impressive 19.1 kg, typical of the heavy, solid build quality of the 70s (large transformers and massive heat sinks).

• Design: Characteristic brushed silver front panel, a solid wood case (woodcase) and the iconic warm amber-colored display lighting.

• Total Harmonic Distortion (THD): Less than 0.1%, which yields very pure and undistorted sound, even at higher volumes.

Why is the SX-850 so beloved?

• The Phono stage: The receiver features an exceptionally quiet, three-stage direct-coupled phono equalizer with very accurate RIAA correction. Vinyl enthusiasts highly value this model for the warm and dynamic reproduction of vinyl.

• Sound character: The SX-850 is known for its "warm, musical and powerful" sound with a controlled, deep bass response.

• Comparison with bigger brothers: Although the SX-1050 and SX-1250 deliver even more power, the internal layout and audio quality of the SX-850 are virtually identical. Unless you need to fill a huge room with very insensitive loudspeakers, the 850 offers exactly the same listening experience

Pioneer SX 850

Device in nice used condition.
Recently serviced.

Sounds fantastic. Used in combination with JBL 4312, Pioneer HPM 100 and Bowers & Wilkins CM9


Key specifications:

• Power: 65 watts per channel into 8 ohms (and 85 watts into 4 ohms). In practice these vintage receivers often deliver considerably more dynamic headroom than the official figures at the time suggested.

• Weight: An impressive 19.1 kg, typical of the heavy, solid build quality of the 70s (large transformers and massive heat sinks).

• Design: Characteristic brushed silver front panel, a solid wood case (woodcase) and the iconic warm amber-colored display lighting.

• Total Harmonic Distortion (THD): Less than 0.1%, which yields very pure and undistorted sound, even at higher volumes.

Why is the SX-850 so beloved?

• The Phono stage: The receiver features an exceptionally quiet, three-stage direct-coupled phono equalizer with very accurate RIAA correction. Vinyl enthusiasts highly value this model for the warm and dynamic reproduction of vinyl.

• Sound character: The SX-850 is known for its "warm, musical and powerful" sound with a controlled, deep bass response.

• Comparison with bigger brothers: Although the SX-1050 and SX-1250 deliver even more power, the internal layout and audio quality of the SX-850 are virtually identical. Unless you need to fill a huge room with very insensitive loudspeakers, the 850 offers exactly the same listening experience

Details

Era
1900-2000
Brand
Pioneer
Model
SX-850
Multiple models
No
Physical condition
Good
Number of objects
1
Includes
Power supply
Serial number
WJ84024GM
Year of manufacturing
1978
Weight
19 kg
Functional condition
Tested and working/playable
BelgiumVerified
11
Objects sold
Private

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