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Old 10th January 2013, 03:56 PM   #2101
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Sweet.
Building is on and now I just wait for some more parts to arrive.
I wonder, did anyone replace the 10K reesistors in the 82V-supply with zenerdiodes as indicated in one of the many schematics posted here?

Anyhow, a capacitorbank of 80 470uF will support the four 10000uF on the boards.
Two 625VA transformers on the way from Farnell. ending up like two monoblocks this one. Output transistors will be two three-pairs "stolen" from my TANDBERG-sparepart-storage. As mounting bracket for the heatsink there will be a custom made T-profile.
originally a 40X40mm, reduced to 40X30mm to fit the PCB.
Will fit perfectly since the 80 capasitors then will have perfectly space under the amplifier boards. Maximnum heat-transfer to the two sets of 385mm by 150mm heatsinks on each side. Transformers mounted near the front of the amp. Vertically on a steel bracket shielding them from the electronics.
I will post pictures as soon as there is anything to take pictures of.
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Old 10th January 2013, 04:32 PM   #2102
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Surely THE BEST AMPLIFIER I HAVE EVER HEARD can't be improved upon !!!!
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Old 10th January 2013, 04:34 PM   #2103
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Quote:
Originally Posted by KatieandDad View Post
Surely THE BEST AMPLIFIER I HAVE EVER HEARD can't be improved upon !!!!

I haven't heard it yet, as I am only in the starting phase of building it.

And I promise You: If anyone is capable of making this amp better, It's me.
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Old 11th January 2013, 10:56 AM   #2104
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You will not be disappointed by the performance of the amplifier!
I wish you success and expect updates from you
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Old 11th January 2013, 12:12 PM   #2105
Jay is offline Jay  Indonesia
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Quote:
Originally Posted by TANDBERGEREN View Post
And I promise You: If anyone is capable of making this amp better, It's me.
Quote:
Originally Posted by TANDBERGEREN View Post
Sooner or later you end up with TANDBERG
Cool... Please show me the best Tandberg circuit I can build

But anyway, not everyone understand or will agree on the same concept of "better" amplifier. About everyone will end up with Tandberg, ehm, I haven't observed that phenomena. But I'm more than willing to build the best one proposed by you.
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Old 12th January 2013, 06:36 AM   #2106
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Originally Posted by Jay View Post
Cool... Please show me the best Tandberg circuit I can build

But anyway, not everyone understand or will agree on the same concept of "better" amplifier. About everyone will end up with Tandberg, ehm, I haven't observed that phenomena. But I'm more than willing to build the best one proposed by you.

The signature is for fun purpose only.
Since TANDBERG is long gone, there is not possible for everyone to end up with TANDBERG. Too bad really.

Just name the class of power You want some schematics for, and I will provide what TANDBERG made in that area.
I could perhaps suggest their 220W amp? In 8 Ohms that is.

Nice one that.
Requires a HUGE cabinet, but actually well suited for the very advanced DIYer.
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Last edited by TANDBERGEREN; 12th January 2013 at 06:41 AM.
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Old 12th January 2013, 07:07 AM   #2107
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A teaser:
Click the image to open in full size.
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Old 12th January 2013, 09:24 AM   #2108
alex mm is offline alex mm  Romania
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Sooner or later you will end up with GOLDMUND
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Old 12th January 2013, 11:32 AM   #2109
AndrewT is online now AndrewT  Scotland
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A teaser:

Are the lower devices shown inverted?
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Old 12th January 2013, 11:40 AM   #2110
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That's funny Andrew. I did not notice the gate, I just look at the sources for the orientation of the symbol.
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