dc1138
New Member
Restored or unrestored
I have the option of geting one completly restored 717 for $1000 (Australian Dollar)
or one 717 with one 719 for the same price ( I think they are un respored, sell says he is unsure if they have ever been restored).
All I know about the unrestored is that the seller said. Works as it should. Looks and sounds great.
The restored details.
seller said he will also revived some new caps for the power supply and upgrade some of the caps on the unit to better ones.
What is the best buy ?
I could just get one unrestored reciever to save some cash.
I have the option of geting one completly restored 717 for $1000 (Australian Dollar)
or one 717 with one 719 for the same price ( I think they are un respored, sell says he is unsure if they have ever been restored).
All I know about the unrestored is that the seller said. Works as it should. Looks and sounds great.
The restored details.
Sansui AU-717 Amplifier Restored, New Electrolytic Capacitors, Rack Handles, Warranty And More. Please do not be fooled, there are a lot of units listed as serviced and professionally restored the case might of just been polished and maybe the potentiometers cleaned, electrolytic capacitors have a life of about 35 years any 70's or before and even 80's unit have capacitors that could go bad at any time if you are going to spend money on a older unit make sure all the electrolytic capacitors have been replaced and output transistors at least have been replaced or you could be wasting your money and make sure it has some sort of warranty!! The 2 power amps have been redesigned with 4 transistors and resistors moved to avoid over heating of the filter caps above the pictures of the main amp board shows the transistor moved.
The 2 main power amps have all new transistors, capacitors, and diodes in them also all the resistors were checked for value and several were replaced, the four 2 watt resistors that were moved were replaced with new 3 watt flame prof resistors along with the movement of the 4 transistors to the heat sink and the 4 resistor mounted on the back of the board to avoid heat to the capacitors above them new thermal paste and pads were installed on all transistors needing the including the 4 main output transistors that were also replaced with new "ON Semiconductor" brand the rest were replaced with Fairchild brand, all the electrolytic capacitors and main filter caps on this entire unit were replaced, new audio grade Elna SilmicII capacitors filter the main amps and preamp section the 4 main filter caps were replaced with Panasonic 15,000uf capacitors and 2 in the power supply with Nichicon KG audio grade capacitors, the power and relay board has new main amp power resistors and have been mounted on the back of the board to avoid heat damage to the new capacitors above them also new diodes and main power and input transistors have been replaced with new, binding posts were added in place of the speaker clips on the B speaker channel, all the controls were cleaned with Deoxit and work excellent, the bias has been set to the original factory mV settings.
The unit was manufactured in 1977 according to the serial number, with the adding of the new power transistors and recap this sounds absolutely incredible!!! and I am sure better than it originally sounded when it was new, this like most Sansui's is designed to run on multiple voltages for European use. The unit is in very good cosmetic condition and comes with the rack handles the faceplate is in very good condition the top and sides are very good it looks like the cover was painted but it looks very clean so I left it as is. Elna Silmic II capacitors have a 100 hour break in period I have run the unit for about 20 hours for testing so that means that every time you listen to this up to that 100 hour period it will keep sounding better so if you notice a difference in sound each time you turn it on that is why. This is very heavy about 50 pounds so the unit will be packed well You will have to be home to sign for this or the delivery service will not leave it!! also this unit has a 3 month warranty for repair. I rebuild Sansui amps
seller said he will also revived some new caps for the power supply and upgrade some of the caps on the unit to better ones.
What is the best buy ?
I could just get one unrestored reciever to save some cash.
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