AU-X1 for $5 on ePay

Cloth Ears

Cloth Ears

Well-Known Member
:banana: I just picked up (or will on Saturday) an non-working AU-X1 for $5 - http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=5791195220. I figure that I can probably resell the knobs for more than that (plus the cost of petrol to pick it up) - so it's probably a good buy.

Does anyone know of a friendly Sansui repairer in Melbourne, Australia? It might be the problem that BeatleFred had - in which case most of the output transistors will be toast, but it might be something much more simple :naughty: .

Here's hoping...

Jonty
 
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Cloth Ears said:
:banana: I just picked up (or will on Saturday) an non-working AU-X1 for $5 - http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=5791195220. I figure that I can probably resell the knobs for more than that (plus the cost of petrol to pick it up) - so it's probably a good buy.

Does anyone know of a friendly Sansui repairer in Melbourne, Australia? It might be the problem that BeatleFred had - in which case most of the output transistors will be toast, but it might be something much more simple :naughty: .

Here's hoping...

Jonty
Click to expand...

Man, that would be sweet if it were a simple fuse or two, good luck!!!!! :yes:
 
Only US$3.78 :banana:


Thursday, July 21, 2005
5 Australian Dollar = 3.77950 US Dollar
5 US Dollar (USD) = 6.61463 Australian Dollar (AUD)

Median price = 0.75542 / 0.75590 (bid/ask)
Minimum price = 0.74910 / 0.74960
Maximum price = 0.75730 / 0.75770
 
In case you wondered, the reason it took me 37 minutes 19 seconds to buy it was I had to confirm with my 'sensible half' that I could take the car to pick it up on Saturday.

It's probably going to cost more in petrol (to pick it up) than the purchase cost.

Incidentally, I think the guy has been sitting on it for a year (based on the note he sent me) - methinks he should have put a bigger "buy it now" on it. Even if the insides are totally trashed, I'm sure I can get more than $5 for the case.

Jonty
 
:banana: Picked it up on the weekend and it looked in pretty good order for $5. Opened it up when I got home, and aside from dust, nothing looked out of place on the inside :thmbsp: . Externals were as mentioned in the auction, it looks like someone put it down too hard on the speaker B terminals and 2 of them were crushed and one is bent :scratch2: .

Finally got to turn it on yesterday though (it's been raining and the fuse box is outside). Unfortunately, no sound, the red led above the power button was flashing, and there was a wisp of smoke :smoke: from "somewhere" - as I had the cover back on. As we're a non-smoking household it looks like I'm going to have to delve a little deeper (and, after about 20 minutes when my knowledge runs out, send it off to be checked out and possibly repaired).

The internals are in such good looking condition that I can't face just junking it without a small fight. And when (if) I ever get a digital camera (and have it fixed) I'll post some photos.

I guess I'll have to live with my AU-417 (& AU-222, + AMC/Proton/Monarch) amp for now :cry:

Jon-ty
 
It's got to be worth $10 or $20 to see if it can be fixed?

Nice score and being local was the icing on the cake.


Mitch
 
Hey there Cloth Ears,
Excellent Score, looks like it may be just a easy fix by a local tech.
You are lucky being Melb, alot of Local pickup only at ebay.com.au.
I am in Perth and miss out on alot of good gear.
Let us know how the X1 goes.
Cheers
9090
 
Thanks, guys.

Not only that, but it was my birthday also :cry:. Considering that AK introduced me to Sansui...

Thanks for the birthday present AK (all of you)!

Jonty
 
Wow, that was a smokin' deal (no pun intended). Happy birthday and I hope it's an easy fix to get it going!
 
I found someone to have a look at this beastie and tell me what needs to be done with it. I think I'll be spending 20-30 times the purchase price on getting it fixed, which is still probably a real steal.

Here's hoping the problem is a simple one :scratch2:.

Jonty
 
This model has a problem with stability; some units oscillate and blow the output transistors. Make sure to tell the tech to look at the output with a scope to check for oscillations, and bring it up with a variac. This could save you and the tech alot of trouble if he isn't familiar with this model.
Also the output transistors are hard to find, but http://www.woodang.net/ used to have them, so the tech should check there.
If it oscillates it needs modifications. I will be glad to send you the written procedure I developed.
 
Thanks Warren,

The tech is a colleague from the local audio club and has built a few amplifiers himself. He does the amp repair as a sideline now that he is retired and is an old hand at amp diagnostics. He probably won't have any trouble with the AU-X1, but thank you for the offer.

If he's still having trouble then I might take you up on the offer, if that is OK? I'll actually pass the text of your note on to Bob.

Jonty
 
Cloth Ears said:
Thanks Warren,

The tech is a colleague from the local audio club and has built a few amplifiers himself. He does the amp repair as a sideline now that he is retired and is an old hand at amp diagnostics. He probably won't have any trouble with the AU-X1, but thank you for the offer.

If he's still having trouble then I might take you up on the offer, if that is OK? I'll actually pass the text of your note on to Bob.

Jonty
Click to expand...

Ok by me.
 
Au-X1

dr*audio said:
This model has a problem with stability; some units oscillate and blow the output transistors. If it oscillates it needs modifications. I will be glad to send you the written procedure I developed.
Click to expand...


Warren,

I have one of these Au-X1's, and I would be interested in looking at the written procedure you came up with--

chris
 
Warren,

:worried: My apologies for my lack of response earlier in the week (and any perceived rudeness) - my only excuse is a bout of the 'flu which I'm just pulling out of.

I would be most interested in the procedure you mentioned - and I'll pass it on to Bob also if that is OK (although he's currently struggling through a couple of valve amp mods at the moment - a Luxman and Leak, if I remember rightly).

I checked out the woodang site you included - the prices look quite reasonable for genuine parts. But I'm scared that the bits we might be looking for if the transistors have fried could be tagged with (not in stock). Have you dealt with them before (ie. are they friendly)?

Jonty
 
Sten from Woodang is a great guy. He is a member of another group, Sansui Appreciation Web, and I know him from there. He is very helpful and knowledgeable. I will send you the AU-X1 mods this weekend.
 
Oops!

Hi Warren,

It looks like my messaging and emails were turned off, maybe I have never turned them on. If you tried to send me the written procedure for the AU-X1, the it would have failed. I've now turned everything on.

Also, Bob has had a look at the unit. He's found that one channel was still working, but that all the transistors had been replaced by non-original transistors. The other side (the blown one) had one fused capacitor, and some of the original transistors have blown.

My 'service manual', which was just copied from the classicsansui website, didn't have the resolution to show what the numbers of the original transistors were - so I've ordered a copy, from obsinc, which will arrive in a week (or so). Bob is going to try a few of his 'on-hand' transistors (but only 2, rather than the whole 6 - and he's moved way out of my knowledge area here) to see how the circuit would perform before we go on purchasing new transistors.

Anyway, that's the current standing, and Bob seems to be having fun with it. He thinks it's more fun than rebuilding a Luxman tube amp, which is is current other project.

Jont
 
Actually, I forgot to send you the mod info, sorry about that. I'll send it tonight. I think you will really need it now, because it includes substitute output transistors.
 
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