Valve Art KT100

Peter M. · 7th March 2005, 06:36 PM

Does anybody have some data or a datasheet on the Valve Art kT100?

It seems to be impossible to find...

Best regards,
Peter

richwalters · 9th March 2005, 10:43 PM

It's an attempt market con.......really an upped 88 in thicker glass.....omo....a total waste of time whoever conceived using the standard octal base. I'm also after Tung-sol 6550 info......but again nothing appears.....so I only purchase from vendors who are willing to give specs..

richj

Peter M. · 10th March 2005, 02:20 PM

Thanks richj.

Market con?
I have heard it is closer to the kt90, with a special plated copper anode, higher transconductance and lower plate impedance than the kt88. But that may be wrong...

Maybe i`ll try the kt90 from EI or EH...

Thanks again,
Peter

richwalters · 10th March 2005, 08:13 PM

EI KT90's....unfortunately rank not- on my opinion scale.....poorly made......with poor spot welds and internal shorts....maybe I got a poor batch..... rather embarassing when on live band shows. ....

Last year the KT90 has been discussed on this forum......I found with the standard UL 43% p-p circuits it produces roughly double the thd compared to a good KT88.

I haven't tried EH tubes there are so many different names made by one manufacturer....others on the forum have tried the KT90.....I believe with favorable results.

richj

7th March 2005, 06:36 PM	#1
Peter M. diyAudio Member Join Date: Jan 2005 Location: Østfold	Valve Art KT100 Does anybody have some data or a datasheet on the Valve Art kT100? It seems to be impossible to find... Best regards, Peter

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9th March 2005, 10:43 PM	#2
richwalters diyAudio Member Join Date: Sep 2003 Location: Alps:Tube amp designs over 150W, SMPS guru.	It's an attempt market con.......really an upped 88 in thicker glass.....omo....a total waste of time whoever conceived using the standard octal base. I'm also after Tung-sol 6550 info......but again nothing appears.....so I only purchase from vendors who are willing to give specs.. richj

10th March 2005, 02:20 PM	#3
Peter M. diyAudio Member Join Date: Jan 2005 Location: Østfold	Thanks richj. Market con? I have heard it is closer to the kt90, with a special plated copper anode, higher transconductance and lower plate impedance than the kt88. But that may be wrong... Maybe i`ll try the kt90 from EI or EH... Thanks again, Peter

10th March 2005, 08:13 PM	#4
richwalters diyAudio Member Join Date: Sep 2003 Location: Alps:Tube amp designs over 150W, SMPS guru.	EI KT90's....unfortunately rank not- on my opinion scale.....poorly made......with poor spot welds and internal shorts....maybe I got a poor batch..... rather embarassing when on live band shows. .... Last year the KT90 has been discussed on this forum......I found with the standard UL 43% p-p circuits it produces roughly double the thd compared to a good KT88. I haven't tried EH tubes there are so many different names made by one manufacturer....others on the forum have tried the KT90.....I believe with favorable results. richj