Looking for dual power triodes.

Shoog · 1st October 2006, 10:06 PM

Can anyone suggest any dual power triodes which are suitable for use in audio (other than the 6080 family which I have already used).

Thanks

Shoog

Eusebius · 1st October 2006, 11:06 PM

You may include the 6528 with the 6080, but it's a bigger beast. Going the other way there's the 6BX7 which sounds pretty nice in outputs at lower power. I'm sure you know about all the dissimilar triodes like 6EM7, which only have one beefy section.

powertriode · 1st October 2006, 11:37 PM

Why not try something a little different like a Cossor 220B/240B.

billr · 2nd October 2006, 12:13 AM

if you get Valve Amplifiers 3rd edition, there is a pushpull amp using 6528s in there.

wonderful design, and expertly engineered

ErikdeBest · 2nd October 2006, 12:36 AM

Although Morgan Jones is all in favour of Push Pull amplifiers, he used the 6528 to build his scrapbox challenge: a SE design.

Erik

Shoog · 2nd October 2006, 08:47 AM

The 6528 looks interesting - but no more linear than the 6080's. I also don't really need any extra power. Also the input capacitance and medium Mu present problems for my prefered interstage transformer phase splitting.

The 220B and 240B look funky and interesting.

Shoog

billr · 2nd October 2006, 09:39 AM

you're right on the valves, the pp design was using the 13e1s

Mikael Abdellah · 2nd October 2006, 09:58 AM

Is the 6AS7G normally included in the 6080-family? Otherwise that might be a suggestion.

Shoog · 2nd October 2006, 12:44 PM

How about the 5998. Looks slightly more linear than the 6080 and also has higher mu so should be easier to drag a bit more power out of it. Otherwise its very similar.

Shoog

anatech · 2nd October 2006, 01:03 PM

Hi Shoog,
There is always the 6N7. A small class B push pull tube. It will operate with zero grid bias (says the manual).

The 6AS7G is lumped in with the 6080 family. Rather tightly I might add.

-Chris

1st October 2006, 10:06 PM	#1
Shoog diyAudio Member Join Date: Aug 2002 Location: Eire	Looking for dual power triodes. Can anyone suggest any dual power triodes which are suitable for use in audio (other than the 6080 family which I have already used). Thanks Shoog

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1st October 2006, 11:06 PM	#2
Eusebius diyAudio Member Join Date: May 2006	You may include the 6528 with the 6080, but it's a bigger beast. Going the other way there's the 6BX7 which sounds pretty nice in outputs at lower power. I'm sure you know about all the dissimilar triodes like 6EM7, which only have one beefy section.

1st October 2006, 11:37 PM	#3
powertriode diyAudio Member Join Date: Jun 2004 Location: South East	Why not try something a little different like a Cossor 220B/240B.

2nd October 2006, 12:13 AM	#4
billr diyAudio Member Join Date: Dec 2003 Location: new zealand	if you get Valve Amplifiers 3rd edition, there is a pushpull amp using 6528s in there. wonderful design, and expertly engineered

2nd October 2006, 12:36 AM	#5
ErikdeBest diyAudio Member Join Date: Mar 2003 Location: Itoculo	Although Morgan Jones is all in favour of Push Pull amplifiers, he used the 6528 to build his scrapbox challenge: a SE design. Erik

2nd October 2006, 08:47 AM	#6
Shoog diyAudio Member Join Date: Aug 2002 Location: Eire	The 6528 looks interesting - but no more linear than the 6080's. I also don't really need any extra power. Also the input capacitance and medium Mu present problems for my prefered interstage transformer phase splitting. The 220B and 240B look funky and interesting. Shoog

2nd October 2006, 09:39 AM	#7
billr diyAudio Member Join Date: Dec 2003 Location: new zealand	you're right on the valves, the pp design was using the 13e1s

2nd October 2006, 09:58 AM	#8
Mikael Abdellah diyAudio Member Join Date: Jan 2003 Location: Sweden	Is the 6AS7G normally included in the 6080-family? Otherwise that might be a suggestion.

2nd October 2006, 12:44 PM	#9
Shoog diyAudio Member Join Date: Aug 2002 Location: Eire	How about the 5998. Looks slightly more linear than the 6080 and also has higher mu so should be easier to drag a bit more power out of it. Otherwise its very similar. Shoog

2nd October 2006, 01:03 PM	#10
anatech diyAudio Moderator Join Date: Jun 2004 Location: Georgetown, On	Hi Shoog, There is always the 6N7. A small class B push pull tube. It will operate with zero grid bias (says the manual). The 6AS7G is lumped in with the 6080 family. Rather tightly I might add. -Chris

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