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Pioneer SX-1010

AM/FM Stereo Receiver (1974-76)

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Pioneer SX-1010


The SX-1010 is Pioneer's top of the line FM/MW stereo receiver.

Features include an FM front end with dual-gate FETs, ceramic filters and ics in IF stages for sharp selectivity, quadrature detection, phase lock loop (PLL) stereo demodulator, all IC equipped AM section with linear dial, balanced positive and negative power supply with heavy duty components, and a phono equalizer with wide dynamic range and extremely close tolerances.

The twin tone controls permit precise shaping of sound and direct-coupled power amplifier supplies high output power with minimum distortion.


Tuning range: FM, MW

Power output: 100 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 40kHz

Total harmonic distortion: 0.1%

Damping factor: 30

Input sensitivity: 2mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)

Signal to noise ratio: 65dB (mic), 70dB (MM), 95dB (line)

Output: 150mV (line), 30mV (DIN), 1V (Pre out)

Speaker load impedance: 4Ω to 16Ω

Semiconductors: 3 x FET, 5 x IC, 73 x transistors, 41 x diodes

Dimensions: 520 x 175 x 440mm

Weight: 22.2kg

Accessories: FM T-type antenna

Year: 1974


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Reviewed Nov 16th, 2018 by Dickthewhite

First monster receiver that set the bar four all other manufacturers. Usual high quality Pioneer build that punches above it’s weight class. Circuitry closer to early 1970s versus later 1970s meaning lasts longer. Dual, superb phono stage, 3 sets speakers without working up a sweat and outstanding radio reception. And flies under the radar for those chasing SX-1250 and SX-1980 Pioneers, which are not the equal of this one for far more $.

Reviewed Jun 27th, 2018 by hlamothe

This is a Great receiver I bought in 1974 from the servicing dealer in NJ I worked as a service tech for $470 saving all summer working there! The Fair Trade price was $699.95 at that time.
The only repair beyond bulbs and cleaning noisy switches and controls was when the main 18,000uF 63V caps leaked and I did that under warranty at work. Presently it needs FM discriminator alignment, the FM tuning meter is so far off it goes to mute before losing stereo lock. I will try measuring the related film capacitors to see what drifted rather than adjust the quad coil first. This RX had the excellent TX9500 tuner circuits with TWO RF Dual Gate MOSFET FM front end, with 5 gang cap and output buffered FM Oscillator. Also many Ceramic Filters and good but somewhat flat sound with the tone and loudness controls. Dial accuracy was so good I used it with my home built alarm clock to turn it on to KSHE-95 from Quincy Ill to St Louis when I worked at Harris Broadcast there...
My speakers in the dorm room were OHM model F's, not enough Power so I got a Phase Linear 700B.

Reviewed Aug 18th, 2016 by jmericle

Love this receiver, had its issuesl because of age, Abell Audio did a great job in restoring it, should have not issues now for my life time



re: SX-1010

Completed a thorough re-cap of my SX-1010. Using Nichicon Super-Through caps for the power supply and Elna Selmic II for the by-pass caps, it sounds better than new.

hammertoe's picture

re: SX-1010

I have taken my SX-1010 to two repair men and they are having a problem finding equivalents for resisters that were burned and some diodes. I was told by a parts manufacturer that you had to have the manufacturers part number, which makes sense. The Pioneer service manual only lists the Pioneer Parts number and the manufacturer of the parts is no longer in business. There must be a simple way I can get the equivalents since I hear of so many that have been repaired or restored.
If anyone has some suggestions or knows a single source I would be forever grateful

re: SX-1010

Look on ebay, many SX-xxx receivers are parted out, buy the whole board. I resurrected my old SX-838 that needed the whole amplifier board. There is an SX-1010 being parted out right now 19-Feb-2014.

re: SX-1010

If you go to page 57 for power supply AWR-054, assuming this is the one burned up, of the manual and find all the resistors are labeled with values. Example R12 says 10 that means it is a 10 ohm. Any technician can look at a resistors size and tell its power rating (even burned badly) so this one is a 10 ohm at say 2 watt (good guess). Need to have picture of actual board to know wattage but any tech should know this. If they don't know a resistors power rating, by looking at it, they are a really junior tech. Google resistor power rating and you can see all the sizes yourself. All the 4 Power diodes D1,2,3,4, to be safe, should be say 100 prv or more (peak reverse voltage) and 5 amp current capable. All others can be 50 volt prv or more and 1 amp, like 1N4004, are great for these. D8,9 are 32 volt 1 watt zener diodes and D10 is a 14 volt 1 watt zener diode. Note: usually if a power supply burns up, the fuses are the wrong size and it has a short on its output. You must ohm to ground, all the power supply voltage outs, to make sure no shorts, or you will just burn up, your new diodes and resistors or blow a fuse (which is what should have happened anyway if it is right size fuse) doug8

re: SX-1010 repair parts

Hi all, hope you can help. I have had my SX1010 purchase in 1976 repaired for a power supply problem. Unfortunately, during the repair, the "technician" lost the main black bottom panel with the ventilation holes/slots and the 4 feet.

I have finally been able to replace the feet but cannot source a replacement bottom panel. Can anyone point me in the direction of finding one? Maybe you have one from a dead SX-1010 and would sell the panel? Reasonable price and cost of payment to UK is not a problem

Otherwise, could someone please take a close up photo or two of your SX-1010, bottom panel only with the feet, with some dimensions and where the feet are placed, so I can try to get one made locally. Not the best option, but it may have to do.

I do hope someone out there in the Pioneer community can help. Thanks in advance for your help.

Bob Hale

re: SX-1010 repair parts

pioneer sx-1010

Anyone have the service manual??


Thanks to Jeepo65 for the service manual for the pioneer sx-1010.

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