SX-1980 on Ebay

[e2e4c7c5]

here's a SX-1980 with cooling fans installed on the sides!!!

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3085038789&category=39789

[Bigyank]

The fans (metal casing and metal blades, high quality, made by EBM work on 110V and are connected to one of the unswitched AC outlets.

So the fans are on all the time? Why?

[hotgas]

It looks like Pioneer wanted to reduce the amount of aluminum in heat sinking so it added a fan. If the fan were to be running all the time then the heatsinks were not optimized for fin spacing, thickness, and density. EBM/Papst fan is very reliable but its L10 is still only around 50000 - 70000 hrs. This means 10% of the fan total popupation will fail after 6 to 8 years. I guess you don't want to run the system un-noticed.

[Shain]

My Marantz 2500 has a large cooling fan from the factory.

It's obviously a good idea to remove the heat.

Guess the SX1980 owner has seen a 2500 :)

For that matter my SX1980 dosen't really run hot, so not sure why someone would put in the fan. Just piece of mind I assume.

[Lefty]

At do most of my listening at pretty low levels (small den) so my big receivers hardly are warm. I can't stand fan noise when listening to soft music so I went out of my way to avoid any model using fans for cooling. Both my SX-1980 and Kenwood KR-9600 have massive heatsinks and seem to deal with the heat just fine, of course I seldom turn it up to Thor levels :p:

As I recall the 2600 had it's heatsinks mounted internal deep inside the case so it probably is a good idea that they have a fan to help remove the heat to the outside. I think most heat sinks that have external exposure probably don't really require fan cooling.



Lefty

[EchoWars]

The fans aren't for the output devices.....

...remember some threads around here discussing the under-heatsinked regulators in most Pioneer receivers? ;)


But no, those fans are certainly not a Pioneer addition, if anyone was mislead into thinking that.

[hotgas]

It surely looks like the fan is not for the output devices. So the fan is for other components. What components are so hot that need a fan? In electronics we always debate whether to put a fan to increase life of electronic components but then adding even a weaker link.

[EchoWars]

...remember some threads around here discussing the under-heatsinked regulators in most Pioneer receivers? ;)

[kajguy03]

Originally posted by hotgas
It looks like Pioneer wanted to reduce the amount of aluminum in heat sinking so it added a fan. If the fan were to be running all the time then the heatsinks were not optimized for fin spacing, thickness, and density. EBM/Papst fan is very reliable but its L10 is still only around 50000 - 70000 hrs. This means 10% of the fan total popupation will fail after 6 to 8 years. I guess you don't want to run the system un-noticed.

Hotgas -- Those fans were installed by the owner, not Pioneer! Personally, I think they look atrocious. Who knows what esle was done to that piece that we're not being told about. I like to leave my units AS DESIGNED, with all faults, without modifying them. Otherwise. ALL HELL BREAKS LOOSE and no one has any idea of what they're plopping down their hard earned $$$$ for.

[Tullman]

yeah it makes one wonder. Did the owner have thermal problems with the unit?

[SX-980]

Say it isn't so ..... kajguy03, leave the units as designed? Yikes! LOL. I'm planning on changing out * ALL * of the cheap carbon resistors to metal film and oxide resistors. Changing out the old caps with Black Gate and Panasonics. After I do my mods to my SX-980 she will sound real sweet.
SX-980 ( formally SilverDove )



Originally posted by kajguy03
Hotgas -- Those fans were installed by the owner, not Pioneer! Personally, I think they look atrocious. Who knows what esle was done to that piece that we're not being told about. I like to leave my units AS DESIGNED, with all faults, without modifying them. Otherwise. ALL HELL BREAKS LOOSE and no one has any idea of what they're plopping down their hard earned $$$$ for. :D :D :D :D

[kajguy03]

Originally posted by SX-980
Say it isn't so ..... kajguy03, leave the units as designed? Yikes! LOL. I'm planning on changing out * ALL * of the cheap carbon resistors to metal film and oxide resistors. Changing out the old caps with Black Gate and Panasonics. After I do my mods to my SX-980 she will sound real sweet.
SX-980 ( formally SilverDove )



:D :D :D :D

Personally, I prefer the units I buy for my collection to be pristine.....using the same components wherever possible as when they were fresh off the conveyor people. Too many folks out there have some very weird ideas about modding and the results can be very unpleasant. I much prefer to know what I've getting....THE REAL THING. It's just like plastic surgery. Some people swear by it.....and some think it's incredibly silly and vain.

I used to sell audio in the 70's, Pioneer, Sansui, Technics (but not Marantz) and I like my stuff to be all-original. Just like I wouldn't wnat to buy "modded" Rembrandt or Van Gogh, the same with my audio. I like it all original....otherwise, I have no idea what I'm getting.

[kajguy03]

Originally posted by SX-980
Say it isn't so ..... kajguy03, leave the units as designed? Yikes! LOL. I'm planning on changing out * ALL * of the cheap carbon resistors to metal film and oxide resistors. Changing out the old caps with Black Gate and Panasonics. After I do my mods to my SX-980 she will sound real sweet.
SX-980 ( formally SilverDove )



:D :D :D :D

SX-980. If you change the parts of your SX-980 for other parts that were not part of the original design specification, you're altering the classic sound of the SX-980 and then you don't have an SX-980....just something of your own creation with a SX-980 faceplate tacked on!! Think about it.

To my ears, the SX-980 sound JUST FINE AS IS. A great little receiver! But, rather than waste all the time upgrading it, a midling Pioneer, just nab yourself a SX-1250 and be in PIONEER RECEIVER heaven!

I have an SX-1280, too, but IMHO, the 1250 kiks its big behind! TRUST ME, YOU WON'T BE DISAPPOINTED.

Also, HIGHLY RECOMMENED, the SX-1010, the ORIGINAL MOSTER. Construction quality is second to none. When they Pioneer advertised it as THE FINEST RECEIVER THE WORLD HAS EVER KNOWN, that was the honest truth. There was nothing out there that came close. I am sure that many of the esteemed members here will agree.

Good luck in your quest for GREAT SOUND!

[SX-980]

Hi kajguy03, doing the mods on my 980 is no different then when I did the mods to my '68 Camero, Man was that bad boy moditifyed until i wreck it. That was a bad day indeed for me back in 1977.
When I mean mods to my receiver I'm not altering the ohm values for both resistor or capacitors with the exception of the phono section which needs different values. All I'm doing for the most part changing out the old worn out parts using the " SAME " values and wattages as well as voltages rated to the same original componets. Using today's metal film resistors verses resistors of 25 years ago will in my opinion make a small difference in better sounding unit in which I can hear the difference. I just upgraded my little Pioneer SX-636 in the pre-amp section and " WOW" what a damn differece I've heard, so yes it's worth it.
The caps, the same thing, but using BETTER then what came with the unit some 20 or 25 years ago. Again...changing out to the same original uF values and voltage but using a better build brand name like " Black Gate or Panasonic or Nichicon! After doing the mods there guy, it will be like a brand new unit! :)
SX-980





Originally posted by kajguy03
SX-980. If you change the parts of your SX-980 for other parts that were not part of the original design specification, you're altering the classic sound of the SX-980 and then you don't have an SX-980....just something of your own creation with a SX-980 faceplate tacked on!! Think about it.

To my ears, the SX-980 sound JUST FINE AS IS. A great little receiver! But, rather than waste all the time upgrading it, a midling Pioneer, just nab yourself a SX-1250 and be in PIONEER RECEIVER heaven!

I have an SX-1280, too, but IMHO, the 1250 kiks its big behind! TRUST ME, YOU WON'T BE DISAPPOINTED.

Also, HIGHLY RECOMMENED, the SX-1010, the ORIGINAL MOSTER. Construction quality is second to none. When they Pioneer advertised it as THE FINEST RECEIVER THE WORLD HAS EVER KNOWN, that was the honest truth. There was nothing out there that came close. I am sure that many of the esteemed members here will agree.

Good luck in your quest for GREAT SOUND!

[Bigyank]

So the jury is in. Final tally on this unit was:

1376.00

I said i before and i will say it again. This is getting so out of control! I might have to find a new hobby!:uzi: :uzi:

[Tullman]

Here is another 1980 on ebay. This seller explains why he installed a fan. I say, who needs a noisy fan. I would pass on this unit and get a 1250.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3086494969&category=39789