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Old 23rd November 2018, 07:43 PM   #1
Hmavv is offline Hmavv  United States
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Default The TU-8600 Such an incredible sounding amp!

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Originally bought this used and already assembled off a friend that was downsizing. it was through him and online research that I found out about how up-gradable the amp is.

I listened to the stock amp with PSVANE tubes for a few weeks and loved it. I could only imagine how it would sound with upgrades. I had contacted VKung about upgrading my already assembled amp prior to my purchase.

It was a very slow and arduous process even with the proper gear. But I took my time and carefully removed every stock resistor, and stock coupling caps.

I upgraded my stock TU-8600 with the upgrades offered by Vkung. the Takman 2% Carbon Resistor, Mundorf Supreme EVO Capacitors, TKD pot with the PCB, and of course the LL2770 OPT with PCB and support bars. I decided to upgrade all of the tubes with Gold Lion tubes as well. Vkung sets a very hihgh standard to customer service!

If I had to give an arbitrary number to how big of an improvement VKung's modification make it easily has to be a 40% improvement! Its like if every upgrade was squeezing every ounce of possible performance and quality sound from this amp.

I have been listening to my VKung upgraded TU-8600 for a month now and I easily have about 70 plus hours on it.. it has aged nicely into perfection, what ever little harshness from the first 10 hours has greatly subdued.
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Old 23rd November 2018, 07:57 PM   #2
planet10 is offline planet10  Canada
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The TU-8600 Such an incredible sounding amp!
Please resize your pictures to about 1000-1200 pixels across.


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community sites t-linespeakers.org, frugal-horn.com, frugal-phile.com ........ commercial site planet10-HiFi
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Old 23rd November 2018, 09:50 PM   #3
vkung is offline vkung  Canada
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Location: Vancouver BC Canada
There are so many unbiased individual comments in CAF.

Art Dudley’s comments about TU-8600 and AER Driver

Capital Audiofest: Hitting the Ground Running | Stereophile.com

Enjoy the Music

Capital Audiofest 2018: Big Fun, Cool Vibe, Great Sound Part One -- CAF 2018 Show Report By Greg Weaver Of Enjoy the Music.com


CAF 2018: Mostly Sights 2 | Twittering Machines

Herb Reichert
Herb's Third Report from CAF | Stereophile.com

Coming soon...
There is a full review from Herb Reichert

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Last edited by vkung; 23rd November 2018 at 09:56 PM.
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