British seven pin sockets

exurbia · 21st September 2008, 09:28 PM

HELP!!!!!

I need some B7 valve/tube sockets. They appear to be rarer than rocking horse poo. I managed to buy two of them from a pom supplier. 6 more would see my amp up and running.

If anyone has some, payment can take many forms, i've got lots of tubes to trade or sell. Quite a few obscure ones as well so you can build something different.

gingertube · 21st September 2008, 11:50 PM

Do a websearch on "Bob's Tube Audio" which will lead you to an ebay store here in Adelaide South Oz. Use the contact seller link to get in touch with Bob. That is Bob Rundle. He has been around the electronics industry in SA for yonks as everything from a Trade School lecturer to designing, building and selling medical equipment to hospitals. These days he runs an on-line tube store as a "semi-retirement" job and has a network of suppliers including being the local agent for Hammond and for Mable Exporting in China.
See on-line catalog.
http://www.mableaudio.com/www-web/cp...huguang%20tube
Since he knows everyone on the local scene he can often source your NOS tube requirements.
If you ever make it to Adelaide he opens the store 12.00 to 5.00 Fridays and Saturday afternoons for counter sales / tube nutters social event.

He will be able to supply what you need. Also his prices as very competative.

Cheers,
Ian

kstagger · 22nd September 2008, 12:03 AM

like this?
http://cgi.ebay.com/7-PIN-BRITISH-CE...742.m153.l1262

or this?
http://cgi.ebay.com/7-PIN-BRITISH-PA...742.m153.l1262

I've ordered some caps from this seller in the past and had good luck with him.

ray_moth · 22nd September 2008, 07:23 AM

Out of interest, what kind of tubes - er, valves - do you have with B7 bases? I used to buy old radio sets from jumble sales when I was a teenager and many of them had B7 and B9 bases. I don't remember any of them being much good, though.

gingertube · 22nd September 2008, 07:26 AM

Ray,
6AQ5 comes immediately to mind. A lovely little (6V6'ish) output pentode.
Cheers,
Ian

ray_moth · 22nd September 2008, 09:24 AM

Hi Ian,

That's a B7G base you're talking about. B7 and B9 were used by antediluvian valves, many of which had 4 v parallel heaters or 200 mA or 300 mA serial heaters. They were big, mainly coke-bottle shaped bottles, often bigger than octals. Their performance was generally mediocre, as I recall.

exurbia · 22nd September 2008, 09:29 AM

Ian, thanks for the info. i will be in touch to find my sockets.

Ray, the KT44 came with a 7 pin base, a very nice valve that is a 4 volt KT66.
Cheers,
Peter.

316a · 23rd September 2008, 09:28 AM

Quote:

Originally posted by exurbia
HELP!!!!!

I need some B7 valve/tube sockets. They appear to be rarer than rocking horse poo. I managed to buy two of them from a pom supplier. 6 more would see my amp up and running.

If anyone has some, payment can take many forms, i've got lots of tubes to trade or sell. Quite a few obscure ones as well so you can build something different.

Got some ceramic , bakelite and paxolin . Email if you need any

cheers

316A

405man · 23rd September 2008, 11:23 AM

Does anyone know where to get matching plugs

Stuart

316a · 23rd September 2008, 11:25 AM

Quote:

Originally posted by 405man
Does anyone know where to get matching plugs

Stuart

Sure . You just bosh off the bases from faulty valves

cheers

316a

21st September 2008, 09:28 PM	#1
exurbia diyAudio Member Join Date: Jul 2002 Location: Perth	British seven pin sockets HELP!!!!! I need some B7 valve/tube sockets. They appear to be rarer than rocking horse poo. I managed to buy two of them from a pom supplier. 6 more would see my amp up and running. If anyone has some, payment can take many forms, i've got lots of tubes to trade or sell. Quite a few obscure ones as well so you can build something different.

22nd September 2008, 09:29 AM	#7
exurbia diyAudio Member Join Date: Jul 2002 Location: Perth	very nice KT44 Ian, thanks for the info. i will be in touch to find my sockets. Ray, the KT44 came with a 7 pin base, a very nice valve that is a 4 volt KT66. Cheers, Peter.

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21st September 2008, 11:50 PM	#2
gingertube diyAudio Member Join Date: Oct 2004 Location: Adelaide South Oz	Do a websearch on "Bob's Tube Audio" which will lead you to an ebay store here in Adelaide South Oz. Use the contact seller link to get in touch with Bob. That is Bob Rundle. He has been around the electronics industry in SA for yonks as everything from a Trade School lecturer to designing, building and selling medical equipment to hospitals. These days he runs an on-line tube store as a "semi-retirement" job and has a network of suppliers including being the local agent for Hammond and for Mable Exporting in China. See on-line catalog. http://www.mableaudio.com/www-web/cp...huguang%20tube Since he knows everyone on the local scene he can often source your NOS tube requirements. If you ever make it to Adelaide he opens the store 12.00 to 5.00 Fridays and Saturday afternoons for counter sales / tube nutters social event. He will be able to supply what you need. Also his prices as very competative. Cheers, Ian

22nd September 2008, 12:03 AM	#3
kstagger diyAudio Member Join Date: Dec 2003 Location: Grand Rapids	like this? http://cgi.ebay.com/7-PIN-BRITISH-CE...742.m153.l1262 or this? http://cgi.ebay.com/7-PIN-BRITISH-PA...742.m153.l1262 I've ordered some caps from this seller in the past and had good luck with him.

22nd September 2008, 07:23 AM	#4
ray_moth diyAudio Moderator Emeritus Join Date: Jan 2004 Location: Jakarta	Out of interest, what kind of tubes - er, valves - do you have with B7 bases? I used to buy old radio sets from jumble sales when I was a teenager and many of them had B7 and B9 bases. I don't remember any of them being much good, though.

22nd September 2008, 07:26 AM	#5
gingertube diyAudio Member Join Date: Oct 2004 Location: Adelaide South Oz	Ray, 6AQ5 comes immediately to mind. A lovely little (6V6'ish) output pentode. Cheers, Ian

22nd September 2008, 09:24 AM	#6
ray_moth diyAudio Moderator Emeritus Join Date: Jan 2004 Location: Jakarta	Hi Ian, That's a B7G base you're talking about. B7 and B9 were used by antediluvian valves, many of which had 4 v parallel heaters or 200 mA or 300 mA serial heaters. They were big, mainly coke-bottle shaped bottles, often bigger than octals. Their performance was generally mediocre, as I recall.

23rd September 2008, 11:23 AM	#9
405man diyAudio Member Join Date: Dec 2003 Location: Near Glasgow Scotland	Does anyone know where to get matching plugs Stuart

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