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Old 15th December 2007, 08:43 PM   #1
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Default Threshold FET/10 He Service Manual

Hi friends,

I am looking for the Threshold FET-10 preamplifier Service Manual: does any of you own this document ?

My email address is : nounours18200 (at) free (dot) fr

Thank you very much for your help
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Old 15th December 2007, 08:50 PM   #2
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Analog Guy once posted a schematic without component values. It is more than sufficient if you need it for repair.
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Old 16th December 2007, 11:59 AM   #3
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I have sent him an email to get the info he has if he accepts to share it.

The "diagram" he posted in this topic
here

is only a low resolution PCB, but I have not found a complete schematic : and I am looking for the schematics with the components values and types, as I plan to replace some of them to improve it...

If any of you knows a source for the complete Service Manual...

Thanks a lot,
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Old 23rd December 2007, 06:07 PM   #4
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I'm very interested too!

I got a original Threshold Fet nine, it sounds very well and i'd like to give a chanche to a diy Fet-10 too
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Old 23rd December 2007, 10:48 PM   #5
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To date, I have not succeeded in getting this Service Manual:

-I have e-mailed almost all the websites supplying service manuals: none of them has it
-I have posted a lot of messages in various high-end audio forums, but no success
-I have sent a request to Threshold Audio Inc: no response yet (but I sent the mail just yesterday), but they will probably reply "ask to an official Threshold service office"....: not convenient for us.
-I have send 3 requests to Jon Soderberg from which I got other Service manuals in the past (he is a very nice person and his service manuals are excellent), but he has not replied to my mails: maybe he is on vacation.

it looks like if nobody has this "bloody" document ...

Any suggestion is welcome !
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Old 23rd December 2007, 11:21 PM   #6
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Quote:
Originally posted by Nounours18200
To date, I have not succeeded in getting this Service Manual:

-I have e-mailed almost all the websites supplying service manuals: none of them has it
-I have posted a lot of messages in various high-end audio forums, but no success
-I have sent a request to Threshold Audio Inc: no response yet (but I sent the mail just yesterday), but they will probably reply "ask to an official Threshold service office"....: not convenient for us.
-I have send 3 requests to Jon Soderberg from which I got other Service manuals in the past (he is a very nice person and his service manuals are excellent), but he has not replied to my mails: maybe he is on vacation.

it looks like if nobody has this "bloody" document ...

Any suggestion is welcome !
well - if you send me one FET/10 , I'll back - engineer it ,and write service manual .

and I'll send you Fet/10 back ................

maybe you can ask some of your country man DiyA fellows to help you in back engineering .....

for start - you can make few ( as much you cant) pics of it and post them here ;

you can even mail big ones to me - I can shrink them , in case that you can't .
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Old 24th December 2007, 06:36 AM   #7
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Yup. I'm with Choky. Reverse engineering a simple device like this is trivial, fast and easy. And not nearly as humiliating as begging for a freebie

The circuit is available - just read the component values from your unit.
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Old 24th December 2007, 09:05 AM   #8
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Quote:
for start - you can make few ( as much you cant) pics of it and post them here ;
OK ! As soon as I am back to home after new year, I will take a lot of pics that I will post here (I had already planned to take pics for myself) so that we can work on this together).

Thanks to all, and happy christmas !
N.
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Old 23rd May 2009, 06:23 PM   #9
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Default FET 10/HE

I just bought FET 10/HE from ebay !
Has anyone interest ?

I can clone it very easy !

Thanks
Anadigit
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Old 24th May 2009, 12:18 AM   #10
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It would be great!
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