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Setton RS-660

AM/FM Stereo Receiver

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Setton RS-660


Tuning range: FM, MW

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

Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.07%

Damping factor: 45

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

Signal to noise ratio: 65dB (MM), 90dB (DIN), 90dB (line)

Output: 150mV (line), 30mV (DIN)

Semiconductors: 2 x FET, 6 x IC, 4 x dual transistor, 51 x transistors

Dimensions: 570 x 170 x 350mm

Weight: 17kg

Accessories: T-type antenna



re: RS-660

I scored a RS 660 supposedly from an estate sale and was supposed to be in GREAT shape. OH WELL!

It did come with a manual in great shape, warranty information and several sheets of original test record all contained in a plastic folder so I THINK I got all that came with one. NO SCHEMATIC! That was WEIRD for that time frame.

SN is on the test report for those that care. There is no date stamp I have found so far.

No schematic included may be why no one has shared one. I have ask sellers about schematics and have only gotten "none here" responses.

The manual is a strange size also 6 3/4" X 8 3/4". Good quality scans have been submitted to HIFI so look for them to be added.

re: RS-660

I am currently refurbishing one of these receivers. Several of the status lights are spent. I noted that there is conveniently a current limiting resistor on the dc sourced voltages that power the mode and speaker status lights.

I am sincerely considering replacing them with LEDs since they are a drop in replacement.

Curious if any one else has done this. The LED is brighter than the original incandescent, but I think I can dim them with an additional resistor.

The MPX stereo and power status lights are AC, so don't know if I will change those to LEDs. The power status would be easy enough to convert/design, but I looked at the MPX circuit.

This brings me to my question, does anyone have a full schematic? There is a small section missing on the one that is floating around...



Ps: purists, please don't hate me for updating the design. Has zero to do with sound reproduction.

re: RS-660

Lafayette LR-9090 series / Setton RS 660 series Repairs & upgrades thread on AK. http://audiokarma.org/forums/index.php?threads/lafayette-lr-9090-series-...

Just finishing up 2 RS440 and will be posting more on them soon. WARNING RS440 with S/N starting with 1 have PA S-60W modules with a MAX VCC of 50V. Running the AC line switch set to 110VAC has the chance of shorting them.

Did a RS660 sometime ago.

Replaced the grain of wheats with LED & Dial light bar with LEDs

I like the colored LED, but warm white & cool white look like the GOW in the panel. Would do the same in the dial light bar.

Wish someone would pony up a high quality scan of full schematic for both the RS660 & RS440. Both missing center. The RS440 is missing more than the RS660. Spliced in a bit of the center of LR9090 on the RS660 & gotten by so far.

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