FS:Tube pre as-is, to be repaired or as component source - diyAudio
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Old 2nd February 2013, 01:38 PM   #1
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Join Date: Apr 2003
Location: ITALY
Default FS:Tube pre as-is, to be repaired or as component source

First of all, please consider it weights 18Kgs, so shipping costs might be important. Got it second hand without ant schematic or manual. It has been identified as manufactured by Valab Taiwan.
It has 14 Sylvania OB2WA tubes and 3 12AU7A from Electro-harmonix.
8 transformers, very nice resistor attenuator,solid thick RCA's, Philips caps etc etc. Nicely cased in a clone chassis.
See pictures for evaluation, or ask components details by pvt msg.
It sounds extremely well but.....sometimes one tube starts glowing and sendind sparkling sounds from speakers. Not nice. Till now I changed the tube with a new one but after sometime another one is doing the same nasty noise..
When it makes it and you switch it off and the again on, the issue disappear. It happens randomely time to time. To give you a feeling last time it made this was about 10 playing hours ago.
For this reason I am not selling as fully functional but as-is. maybe you want to try to repair it (no schematic) or just use the nice parts for a new project?
it is 230 Volts set and will ship everywhere provided you understand that the costs would be huge(tell me zip and i will make offer).
I will pack it at my best to protect it.
I accept offers proposal by private message, maybe you can help me in setting the price, no clue about these parts costs. For sure the chassis is massive and could only itself value 80Euro, i guess.
Enjoy pics
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Old 2nd February 2013, 02:55 PM   #2
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The 14 OB2WA tubes are nuts. There's these cool things called Zener diodes that will fix that problem...

That looks like it has great potential, good luck. I predict it goes quickly.
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Old 3rd February 2013, 03:02 PM   #3
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Location: ITALY
In view of they high costs for shipping to USA, i could also evaluate swopping it for a Dac.
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Old 18th March 2013, 12:16 PM   #4
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Join Date: Apr 2003
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It went unsold. I have put it today in the most famous generalistic auction site.i see it of interest for diyers that can probably solve the issue.due to the high weight i ship to europe, prefeably
I have reduced the price as well by a significant margin.
Seller name is different as i have not same name account there.
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Old 18th March 2013, 12:21 PM   #5
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Quote:
Originally Posted by ad010685 View Post
In view of they high costs for shipping to USA, i could also evaluate swopping it for a Dac.
California Audio Labs Sigma and Nu Force Icon II?
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Old 18th March 2013, 12:59 PM   #6
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Location: ITALY
Thanx but I would prefer to have a swop from Europe. Elsewhere shipping this 18 kgs preamp to USA will cost a fortune...I tried initially but was too optimistic...That's why Iam now trying to sell it and ship it to europe...Thanx
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Old 19th March 2013, 04:01 PM   #7
limono is offline limono  United States
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How much is a "fortune" for shipping to US . PM me total cost please.
Rgrds, L
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Old 19th March 2013, 04:19 PM   #8
limono is offline limono  United States
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Pm replied
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