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Pioneer Model SX-850 Receiver

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Front View
EBay Auction #288163939
Date: 3/20/2000

General
DescriptionReceiver
RarityCommon
Designed inJapan
Manufactured InJapan
Wood CaseYes
Silver FaceYes
ChannelsTwo
IC Count3
FET Count3
Transistor Count56
Diode Count36
Speaker ConnectionsTwo Pair
Chassis GroundTwo binding posts
AC SwitchYes
Switched AC OutletsTwo
Unswitched AC OutletsOne
Power Consumption420 watts max

Physical
Panel Width20 3/4ths
Panel Height6 13/16ths
Depth16 3/16ths
Weight42 lb 3 oz, 49 lb 6 oz w/package

Amplifier
RMS Power Per Channel65 @ 8 ohms, 85 @ 4 ohms
Damping Factor @ Load Impedance25
Total Harmonic Distortion (THD)0.1%
Power Bandwidth7 Hz to 90 kHz
Frequency Response7 Hz to 90 kHz
Hum and Noise100 dB
Intermodulation Distortion (IM)0.1%
Input Impedance50 k-Ohm
Input Sensitivity for Full Output1 volt
Output Impedance(s)8 to 4 ohms

FM Tuner
RF Sensitivity1.8 uV
300 Ohm Binding PostsYes
75 Ohm Binding PostsYes
50 dB quieting sensitivity, Stereo44 uV
50 dB quieting sensitivity, Mono4 uV
Ultimate Quieting72 dB (mono) @ 65 dBf (1000 uV)
THD, Mono0.15%
THD, Stereo0.30%
Signal to Noise Ratio, Mono72 dB
Signal to Noise Ratio, Stereo67 dB
Frequency Response30 Hz to 15 kHz
Capture Ratio1.0 dB
IF Image Rejection85 dB
IF Rejection100 dB
Stereo Subcarrier Rejection62 dB
SCA Suppression62 dB
Alternate Channel Selectivity (wide or normal)80 dB
Spurious Rejection62 dB
AM Carrier Rejection55 dB
Stereo Separation at 1 kHz40 dB
Mono SwitchYes
Signal Strength MeterYes
Center Tuning MeterYes
Stereo LampYes
25 uS Deemphasis Switch (Dolby Associated)Yes, on rear deck
Quadradial Output (FM Discriminator output, unequalized)Yes

AM Tuner
RF Sensitivity300 uV/meter or 15 uV @ binding posts
Alternate Channel Selectivity35 dB
IF Rejection65 dB
Image Rejection40 dB
Signal to Noise Ratio50 dB
Signal Strength MeteringYes
External Ferrite AntennaYes

Preamplifier
Single Bass Adjustment+/- 7 dB, or +/- 10 dB @ 100 Hz
Single Treble Adjustment+/- 7 dB, or +/- 10 dB @ 10 kHz
Tone Control DefeatYes
Bass Turnover Options200 Hz or 400 Hz
Treble Turnover Options5 kHz or 2.5 kHz
High Filter6 kHz, 6 dB/octave
Low Filter30 Hz, 6 dB/octave
Gain ControlYes
Loudness ContourYes
MonoYes
Muting20 dB
BalanceYes
Number of Tape MonitorsTwo
Tape to Tape Dubbing1 to 2, or 2 to 1
Auxillary Input SourceYes
Phono Input SourceYes
2nd Phono Input SourceYes
Illuminated Source IndicatorsYes
Tuner Source InputIntegral AM/FM
Source Microphone InputYes (or phono II)
Tape MonitorYes
2nd Tape monitorYes
Preamp to Amplifier Jumper(s)Yes, require bridging
Headphone Jack(s)Yes
Speaker Selection NomenclatureA, B (Illuminated A and B indicators)
Hum and Noise90 dB @ aux input


Have some additional information about the Model sx0850 Receiver? If so, I would sure appreciate it if you would EMAIL that to me. I'll add anything: What type of controls, specifications, number and type of AC outlets on the back... anything!

One thing, though... if you see some info and you believe it is incorrect, that is certainly possible. However, it does no good to tell me that "I don't think that's right". You need to tell me the correct information to replace it with. For instance, if I have that a particular model was available 1978-1979, and you believe that is wrong, then tell me the exact correct range and your source of information, rather than "I had one of those in 1976". Otherwise, I can't really change the database with any confidence.

The database currently contains "slots" for many AM Tuner, FM Tuner, Amplifier and Preamplifier specifications, as well as many of the controls and features Pioneer has made available on these units. You can check the Sample Unit to see all of the database slots. You might even be surprised at some of the slots that are available. However, if you come up with something that's not in the Pioneer Classics database, either a specification or a feature, I can add it in just a few minutes, along with specific details about that feature for any model(s) you know of. Don't be shy - tell me!

These listings can only be as good as the information in them. With your help, they will improve over time. Please accept my heartfelt thanks in advance for anything you can contribute.


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