Sansui 8080 DB

Jun 27th, 2016 Posted in 8080 DB, Sansui | No Comments »

Sansui 8080 DB Front


The Sansui 8080 DB came to market at around 1975 and lasted until around 1978.  It was price at about $650.00 and was a popular model for Sansui. It has the classic styling of a mid 1970's receiver with a black and brushed aluminum face plate and dark dial meter with blue and white meters. The DB version of the 8080 of course had built in Dolby noise reduction.


Sansui 8080 DB Meter


The Sansui 8080 DB is essentially the same stereo as the 9090DB but with 85 watts output per channel instead of 110. It's a really well built receiver. You'll hear some talk about which one sounds better but they are almost identical inside.


Sansui 8080 DB Knob


Here is what one user said about the two receivers:

"The 8080DB uses exactly the same driver board as the 9090DB so the only difference in the amplifier section is a little less power and 4 output transistors. The amp sections should have no discernible difference in sound. They also both use exactly the same pre-amp section except for the crossover/defeat switches in the tone controls. The circuitry is identical otherwise. Since you can't defeat the tone controls on the 8080DB, there may always be a little coloration to the sound because there will be some variation to where the 0 point is on the tone controls. As a result you may always be adding or subtracting a little tone."




Sansui 8080 DB Lamps


The 8080 DB is heavy and weighs in at around 46 pounds.

Here are some of its other features:

  • Built-in Dolby Processor
  • Triple Tone Controls
  • Four Accurate Meters
  • Frequency response: 10 Hz to 30 kHz
  • Total harmonic distortion: 0.1%
  • Damping factor: 30
  • Input sensitivity: 4mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)
  • Signal-to-noise ratio: 70 dB (MM), 80 dB (DIN), 80 dB (line)
  • Channel separation: 50 dB (MM), 50 dB (line)
  • Output: 150mV (line), 30mV (DIN), 0.775V (Pre Out)


Sansui 8080 DB Inside


There are some issues known to this receiver. The driver board, RF power supply board and Dolby board all have common problems. The driver board has problematic resistors while the RF board runs very hot which can cause problems and the Dolby board tends to get cracks in the solder traces. The DB board cannot be bypassed and all signals run through it so if it has problems then your receiver will not work properly.


Sansui 8080 DB Inputs


Vintage Sansui receivers have always been popular and, therefore, somewhat pricey. The Sansui 9090DB can sell for over $1300. If you don't want to spend that much but want performance that is just about as good then you should consider the 8080DB. It sells for around $500 in very good working condition.


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Technics SA-500

May 12th, 2016 Posted in SA-500, Technics | No Comments »

Technics SA-500


The Technics SA-500 is a great mid-range receiver. Not only does it perform well but it has the looks to go with it. If you're just getting into vintage audio this is a really good receiver to start off with. They made quite a few of them so prices are reasonable. It was manufactured from late 1978 to around 1980 and puts out about 55 watts per channel. The suggested retail price at the time was $430.00.


Technics SA-500 Meter


A precursor of things to come, the SA-500's Power Level meter is LED which you can turn on or off via the Power Display button.  The signal and tuning strength meters are analog.


Technics SA-500 Knobs


The balanced layout of the knobs and switches along with the white dial face make the Technics SA-500 a clean and sophisticated looking unit. The knobs are done nicely with a brushed aluminum top and sides with a polished accent line along the outer top edge. Technics also produced an SA-500A which has a black face.


Technics SA-500 Lamps


If you find a used SA-500, some or all of the lamps will most likely be out. It's worth it to replace them with new lamps because the SA-500 looks fantastic when lit up in a dark room. It uses 6.3 V 250 mA bulbs and they're easy to replace. The equivalent LED bulb is a BA9S.


Technics SA-500 Inside


Another nice feature of the Technics SA-500 is the sliding top. The wood top panel has two small brackets that hold it in place. Once the two screws are removed the top slides off allowing access to the inside.


Technics SA-500 Inputs


As I mentioned above the Technics SA-500 is a great receiver for the beginning audio enthusiast. It's actually a great receiver for anybody. Search the net and you'll be hard pressed to find anyone that dislikes this receiver and it's brethren the SA-200, SA-300, SA-400, SA-700 and of course the monster SA-1000. The SA-500 fall in the middle and perfectly combines performance with aesthetics. A nice unit can be found for under $200.

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