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Old 9th September 2005, 07:58 AM   #1
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Default Anyone have any luck contacting Dr. Leach

Has anyone had any luck in contacting Dr. Leach recently? I'm trying to order some low-TIM boards but havn't recived a response after sending a couple emails to the account listed on his web page.

Thanks

Kelly McDonald
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Old 9th September 2005, 08:26 AM   #2
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Default Is he still alive?.... he was reasonable old in the seventies, now 35 years older.

Did they have some facility to provide boards, some Leach center?

Interesting...now i am in doubts!...is he still alive?

regards,

Carlos
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Power supply; ripple, filter, noise, stability and the use of capacitance multiplier... Portuguese and English; https://www.youtube.com/watch?v=sSm0ku1eIgg
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Old 9th September 2005, 12:24 PM   #3
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I contacted Dr. leach about three years ago because I wanted to reference something on his website in an article I was writing. He responded promptly and granted permission. He was alive in 2002 and he, or someone, keeps changing the website. I bought some items from him in the 1970s, but he may no longer be in the parts business.
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Ray
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Old 9th September 2005, 12:28 PM   #4
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It could be that he is busy with the beginning of the new semester - darned job and that sort of stuff.
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Old 9th September 2005, 02:21 PM   #5
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Default It is good to know Marshall Leach is healthy and already working

So, thanks by the information

regards,

Carlos
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Power supply; ripple, filter, noise, stability and the use of capacitance multiplier... Portuguese and English; https://www.youtube.com/watch?v=sSm0ku1eIgg
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Old 9th September 2005, 08:01 PM   #6
azira is offline azira  United States
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He responded promptly to me when I ordered my boards. But I guess that was about 2 years ago (and they still AREN'T done!!!) If only time would stop flying.
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Danny
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Old 10th September 2005, 05:52 PM   #7
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Kelly,

Both boards are pretty simple. If you can just roll up your sleeves, you can start doing your own. If you are looking for the super leach, I happen to had laid one and I can sent you a pdf file. I am still waiting for my purchase list to grow big enough to share the mailing cost (I am looking for 2n5416 nd 2n3439)
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Old 10th September 2005, 07:41 PM   #8
Byrd is offline Byrd  South Africa
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Hi Kelly

Yip the original Leach boards are quite easy to make yourself as they are only single sided. But wiring really is a pain as well as mounting those T03 Transistors on the heatsinks.

Take a look at this thread.

Smaller Leach Amp V1

Unfortunatly the board group buy has already happened - but I think Jens has some of the 10 Transistor version boards still up for sale - otherwise you can get a production house to make you some from the gerbers provided by Jens. Take a look at my amp in the link in my signature line - you will see what I mean about all the wires!

I am in the process of doing a build of this new version myself and have already done the version currently on Leach's site. It sounds very nice and quite different to other amps. Natural is how I it. No fake tizz of boom. I consider that as destroyering the sound but we all have our preferences.
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Old 10th September 2005, 07:44 PM   #9
Byrd is offline Byrd  South Africa
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Bigpanda. There are "generics" of these done by a company called NTE

See NTE
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Old 10th September 2005, 07:46 PM   #10
Mikett is offline Mikett  Canada
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I contacted him about two months ago. I originally enquired about his boards, received no reply so I then joined in the group buy on the Smaller Leach by Jens. After I ordered the boards with the group I got a response from him and he indicated he was very busy and was catching up on his email.

If anyone wants to consider swapping a pair of his boards for a pair of Jens version let me know I might seriously consider it since I have the TO3 heatsinks sitting on the shelf and don't really want to acquire more heatsinks for the flat plastic ones.
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