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Old 24th August 2012, 08:35 PM   #291
LBHajdu is offline LBHajdu  United States
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Any comment on what it sounds like? Can someone compare it to something in the Firstwatt line or anything? How does it sound compared to that EL34? Im starting to take this as a bad sign that none of the people who built it have anything to say about how it sounds.

You gave it away almost immediately after having built it you say?
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Old 25th August 2012, 01:49 AM   #292
pidesd is offline pidesd  Canada
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built my second channel and it has now played in my system for a few weeks. I have not compared it directly to my f5 or other amps i have but with 2sk369 as jfet and 2n4401 as bjt, i think i could live with it for a long time and i dont feel the need to put back the f5 modules. Now if only sic power jfet were cheaper...

p.s.; i have lowther dx3
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Old 27th August 2012, 12:59 AM   #293
ejfud is offline ejfud  United States
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Nobody else can give us a review of the ACA amp?
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One good driver is all I need.
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Old 27th August 2012, 01:11 AM   #294
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I will give you a review.

If you are a newbie, then hearing your newly built amplifier will be the
second greatest experience of your life.

If you have had a child, then it would be the third.

If you haven't had the first greatest experience, then perhaps this would
be it after all.

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Old 27th August 2012, 02:03 AM   #295
ejfud is offline ejfud  United States
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Count me in. Thanks Nelson. Top three ain't bad.

Gary
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Old 27th August 2012, 02:51 AM   #296
Variac is online now Variac  United States
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I've heard quite a few of them at Amp Camp, but only for a few minutes each. Then the day after Amp Camp, five of us listened to a pair running through BOFU BIB speakers for about an hour. Couldn't tear myself away. With the correct speaker they give you chills. A bit warmer and sweeter than an F-5 IMHO, as you'd expect. Addicting to listen to: more than you'd expect

Last edited by Variac; 27th August 2012 at 05:24 AM.
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Old 27th August 2012, 06:43 AM   #297
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oooh, I can't wait to get a complete pair of them...

regards,
matthias
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Old 27th August 2012, 06:59 AM   #298
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I hope there is space for Elna Silmic caps. If so then I hope they will be included in the kit.
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Old 27th August 2012, 07:25 AM   #299
Variac is online now Variac  United States
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C3 &C4 are Silmic II's, C1 & C2 are Panasonics. This is like the originals, and what we all listened to.
C1 footprint on the board will accommodate 25mm dia. caps with snap-in lead spacing of 10mm.
C2 is 10mm dia. 16v with 5mm lead spacing.

Silmic II's come in a maximum size of 1000uF I believe, so they'd have to be mounted off the board as you'd need 3 or 4 for C1
Still that can be done in a very tidy manner as the C1 holes are right on the edge of the board. Whether it will make a difference, I don't know, but
this will be the first time I'll be able to compare. Since the amps are reasonably inexpensive. I'll finally have 2 pairs of monoblocks so I can compare variations and actually have a real opinion on this cap stuff and other parts substitutions

Last edited by Variac; 27th August 2012 at 07:41 AM.
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Old 27th August 2012, 07:46 AM   #300
Variac is online now Variac  United States
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Quote:
Originally Posted by rollingtube View Post

Sadly, I own it no more - my 8-yr-old daughter has it now)
My 8 year old nephew soldered a pair up and assembled the chassis' with his dad standing by.
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