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BigSoundNorthWest View Drop Down
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    Posted: 23 March 2021 at 8:51am
So, was just reading an interview with Metro on Red Bull.
where he claims (written in 2008, but STILL...) that Kieth (JTS)
 "Nah, Tubby’s don’t know how to make amplifiers" 

and that Barracuda built em (or does still)
Anyone shed any light on this?

Seems odd, i know Kieth is VERY well versed in electronic design...

https://daily.redbullmusicacademy.com/2018/08/mysteries-of-soundman-metro
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levyte357- View Drop Down
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Points: 8517 		Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357- Quote  Post ReplyReply Direct Link To This Post Posted: 23 March 2021 at 2:52pm
Originally posted by BigSoundNorthWest BigSoundNorthWest wrote:

So, was just reading an interview with Metro on Red Bull.
where he claims (written in 2008, but STILL...) that Kieth (JTS)
 "Nah, Tubby’s don’t know how to make amplifiers" 

and that Barracuda built em (or does still)
Anyone shed any light on this?

Seems odd, i know Kieth is VERY well versed in electronic design...

https://daily.redbullmusicacademy.com/2018/08/mysteries-of-soundman-metro


Geezer is obviously jealous, and has axe to grind. The End..

Anyone who knows Keith, knows he is a supreme engineer.

I once heard him at Scala, play 6x Turbomax Scoops off 1x amp, he modified/re-engineered.

Can safely say, I knew of no other amp in the World, at that time, that could dish out that much power, and not lose it's lunch, keeping those unruly, hard to drive drivers, in check.
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BigSoundNorthWest View Drop Down
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Points: 335 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BigSoundNorthWest Quote  Post ReplyReply Direct Link To This Post Posted: 25 March 2021 at 3:46pm
I did think it was an odd thing. I own one of his UltraAmp (three strips of 1200w at 4R). Beautiful amps



Edited by BigSoundNorthWest - 25 March 2021 at 3:46pm
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valve head777 View Drop Down
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Points: 1846 		Post Options Post Options   Thanks (0) Thanks(0)   Quote valve head777 Quote  Post ReplyReply Direct Link To This Post Posted: 07 August 2022 at 1:48pm
All I know is Tubby is a Don of amplifier design and development, and Mr Eddie built fine amplifiers that were not designed to fry their output valves. 
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BigSoundNorthWest View Drop Down
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Points: 335 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BigSoundNorthWest Quote  Post ReplyReply Direct Link To This Post Posted: 10 August 2022 at 2:14pm
Exactly, it sounded odd as Kieth has plenty knowledge, backed with tonnes of product and a high level of customer base
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luton_soundman View Drop Down
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Points: 4550 		Post Options Post Options   Thanks (0) Thanks(0)   Quote luton_soundman Quote  Post ReplyReply Direct Link To This Post Posted: 10 August 2022 at 7:48pm
Wasnt the UA amplifiers Ohm CFU amps?
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valve head777 View Drop Down
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Points: 1846 		Post Options Post Options   Thanks (0) Thanks(0)   Quote valve head777 Quote  Post ReplyReply Direct Link To This Post Posted: 10 August 2022 at 10:49pm
In a very old thread, it looked as if the UA6 was something Chinese called an MT1500. Almost identical pictures by service dept Steve  and another forum guy. However, looks can be deceiving and the JTS amp may well have had components spec'd by Keith. A few years back I discussed the ua with Keith and was told the output transistors were no longer available.
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levyte357- View Drop Down
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Originally posted by valve head777 valve head777 wrote:

In a very old thread, it looked as if the UA6 was something Chinese called an MT1500. Almost identical pictures by service dept Steve  and another forum guy. However, looks can be deceiving and the JTS amp may well have had components spec'd by Keith. A few years back I discussed the ua with Keith and was told the output transistors were no longer available.


"Think" I posted pcs of the MT1500.

And IIRC, Keith said the Hitachi Output Devices he upgraded to, where no longer available, so that was the end of the UA6.

A mate also had lightweight version of the UA6, and when it worked it was great, but when it blew, components not around to fix them.

I'm sure Keith has now moved on to Powersoft X series, so that tells you a lot...
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levyte357- View Drop Down
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Points: 8517 		Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357- Quote  Post ReplyReply Direct Link To This Post Posted: 11 August 2022 at 12:38pm

Was guy called Xmax extreme put up MT1500 pics.

But now in hindsight, no transformer amp ever surpassed Inf8MK2 at 4 ohms, so that is that.LOL
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luton_soundman View Drop Down
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Points: 4550 		Post Options Post Options   Thanks (0) Thanks(0)   Quote luton_soundman Quote  Post ReplyReply Direct Link To This Post Posted: 11 August 2022 at 1:07pm
But id say 9001 is still better overall. Although is slightly down on power it does sound better than the inf 8....
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levyte357- View Drop Down
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Originally posted by luton_soundman luton_soundman wrote:

But id say 9001 is still better overall. Although is slightly down on power it does sound better than the inf 8....


I've heard a lot of people say, Inf8Mk2 did not sound nice on 1850s.

When I played my 8x Oberton 1300xb loaded Scoops on Quadros 2x Voids, was different story, people amazed how smooth and round, the sound was.

I would argue, Void was just too much for 1850s..
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valve head777 View Drop Down
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Points: 1846 		Post Options Post Options   Thanks (0) Thanks(0)   Quote valve head777 Quote  Post ReplyReply Direct Link To This Post Posted: 11 August 2022 at 1:55pm
I don't think I have ever heard 1850's sing. Not a musical driver imo. 1851, absolutely, good ol' 186, for sure.
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