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My first solid state amplifier the ZENV9
My first solid state amplifier the ZENV9
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Old 8th May 2006, 10:24 PM   #1
Bas Horneman is offline Bas Horneman  Netherlands
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Default My first solid state amplifier the ZENV9

I'm very curious. Having so far only played with tubes, I find any SS power amplifier very daunting. (Ok..I've done gainclones ...but that does not really count because it's not discrete)

Here is a picture of my ZENV9 (The Backdrop is a 6N6P pushpull amp by James Doddington I'm building)

Click the image to open in full size.
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Old 8th May 2006, 10:29 PM   #2
-_nando-_ is offline -_nando-_  Brazil
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Ok, only this picture!?

How it sounds for you?
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Old 8th May 2006, 10:31 PM   #3
Bas Horneman is offline Bas Horneman  Netherlands
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Hi Sorry..not finished yet..I thought I'd post as it progresses. I still have to find huge heatsinks, apparently they are neccessary.
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Old 8th May 2006, 10:32 PM   #4
grataku is offline grataku  United States
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Default Re: My first solid state amplifier the ZENV9

Quote:
Originally posted by Bas Horneman
I'm very curious. Having so far only played with tubes, I find any SS power amplifier very daunting. (Ok..I've done gainclones ...but that does not really count because it's not discrete)

Here is a picture of my ZENV9 (The Backdrop is a 6N6P pushpull amp by James Doddington I'm building)

Click the image to open in full size.

Oops! You scratched the wood case!
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Old 8th May 2006, 10:34 PM   #5
-_nando-_ is offline -_nando-_  Brazil
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Ooh, okay ! hehehe

Please, post your progress ! And I'm very curious about the final result !


Just asking, how gainglone sounds for you?! Is it good or decent compared with tube amp?



Thanks !
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Old 8th May 2006, 10:36 PM   #6
Bas Horneman is offline Bas Horneman  Netherlands
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Quote:
Oops! You scratched the wood case!
That's ok..it's the bottom! Oeps am I allowed to say that
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Old 8th May 2006, 10:44 PM   #7
Bas Horneman is offline Bas Horneman  Netherlands
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Quote:
Just asking, how gainglone sounds for you?! Is it good or decent compared with tube amp?
I quite like them on my efficient loudspeakers... and like them compared to tubes as well...not a hell of a lot of difference and definitely worth it for the money. In the end I still prefer tubes (still have to build my first PP amp though)

And just like SE tube amplifiers I don't think they drive difficult loads too well. (I don't expect the ZENv9 to do that either)

For example a briangt lm3875 kit sounded a lot fuller than a Pioneer A400 (european version) that was quite highly rated in the 80-90's. The Pioneer is punchier thought..better with transients. (both on Prometheus speakers)

Another comparison is with a CSS FR125..The Gainclone drives it about as well as a SE 300B...(not very good imo) ..when you use an amplifier that can dump a lot of current into the speaker..like a friend's Rod Elliot P3a...the FR125 comes alive.

No extensive listening has taken place though...and these are all really impressions from very short listening sessions..

So basically gainclone go for it...but match with the right speakers.
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Old 9th May 2006, 01:09 AM   #8
hifimaker is offline hifimaker  United States
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It looks like you're off to a good start. You're boards look great!

Keep us posted on your progress, especially when it starts to play music.

-David
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Old 9th May 2006, 07:37 AM   #9
steenoe is offline steenoe  Denmark
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Hi Bas, that board looks good I am looking forward to hear about your listening impressions with the ZenV9. I think it sounds really sweet Dont get them heatsinks too small, and watch that the fet's dont get too close to the top-edge of the sink.
Happy building

Steen
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Old 9th May 2006, 07:38 AM   #10
Bas Horneman is offline Bas Horneman  Netherlands
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Thanks David and Steen for the encouragement!
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