"David Looser" wrote in message
...
"Ian Bell" wrote

That assumes that all that is required to make good tubes is the
equipment. Whether or not the Chinese have the necessary know how as well
is moot.


I'm sure that the nation that invented printing, gunpowder and bone china
(amongst many other things) won't have much problem in acquiring the
necessary know-how.

**I keep a large box, full of Chinese valves, I purchased to service
equipment. They're all buggered and they're all new or very close to new. I
keep them to remind myself NEVER to buy Chinese valves (unless there is
simply no alternative). Russian valves, by comparison, are generally much,
much better. NOS American, German, Australian and British are better still.

Ah, I remember paying AUS$25.00 each for GE-MOV KT88s. Good times. Great
valves. One of my instructors was on the team that developed the KT88.

--
Trevor Wilson
www.rageaudio.com.au

"Ian Bell= ****ing RATBAG MORON"

Phil Allison wrote:
"Brian Gaff"
I think one has to be careful if buying the Chinese copies of valves
around at the current time, as quality control is almost non existent,
though some Russian ones are made a lot better I'm told.



** Why refer to them as " Chinese copies of valves " ??

My info is that the Chinese purchased valve making equipment ( including
dies and materials) from Europe when factories there closed in the 1980s
and transported it to China.

This is so they could easily start making popular audio valves like
EL34s, 6L6s and 12AX7s - for which there were no equivalent Chinese
types in production at the time.



That assumes that all that is required to make good tubes is the
equipment.


** There is no such assumption within or behind my post

- you ****ing ASININE TENTH WIT !!!



...... Phil

Phil Allison wrote:
"Ian Bell= ****ing RATBAG MORON"
Phil Allison wrote:
"Brian Gaff"
I think one has to be careful if buying the Chinese copies of valves
around at the current time, as quality control is almost non existent,
though some Russian ones are made a lot better I'm told.


** Why refer to them as " Chinese copies of valves " ??

My info is that the Chinese purchased valve making equipment ( including
dies and materials) from Europe when factories there closed in the 1980s
and transported it to China.

This is so they could easily start making popular audio valves like
EL34s, 6L6s and 12AX7s - for which there were no equivalent Chinese
types in production at the time.


That assumes that all that is required to make good tubes is the
equipment.


** There is no such assumption within or behind my post

- you ****ing ASININE TENTH WIT !!!



..... Phil




And a Merry Christmas and a Healthy New Year to you too Phil

Cheers

Ian

In article ,
Don Pearce wrote:
Interesting insight into the way things were in the 60s - I've just
been reading a Wireless World from November of that year. Valves
(tubes for those across the pond) were extremely cheap. And
transistors cost pretty much the same, which is why we treated them
with kid gloves and thermal shunts when soldering them into circuits.

http://www.soundthoughts.co.uk/look/valves.jpg

Money conversion for the young and foreign:

20 shillings to the pound, 12 pence to the shilling. A price given as
5/6 meant five shillings and six pence. So an ECC84 at 6/6 is 32.5
pence in today's money. A 28012 transistor, by contrast at 140/- is
seven pounds - getting on for half the weekly wage of some people back
then.

I may post some ads for complete equipment later, just to make you
cry.

Prices of transistors were dropping rapidly even then. I paid 7/6 for a
red spot (OC71 reject) in '59.

--
*Reality? Is that where the pizza delivery guy comes from?

Dave Plowman London SW
To e-mail, change noise into sound.

I still have my original Rogers Cadet II amp here and it still goes. It has
had a lot of use over the years and the same valves are still in it. So they
do last.

Brian

--
Brian Gaff....Note, this account does not accept Bcc: email.
graphics are great, but the blind can't hear them
Email:
__________________________________________________ __________________________________________________ __________


"Dave Plowman (News)" wrote in message
...
In article ,
Don Pearce wrote:
Interesting insight into the way things were in the 60s - I've just
been reading a Wireless World from November of that year. Valves
(tubes for those across the pond) were extremely cheap. And
transistors cost pretty much the same, which is why we treated them
with kid gloves and thermal shunts when soldering them into circuits.

http://www.soundthoughts.co.uk/look/valves.jpg

Money conversion for the young and foreign:

20 shillings to the pound, 12 pence to the shilling. A price given as
5/6 meant five shillings and six pence. So an ECC84 at 6/6 is 32.5
pence in today's money. A 28012 transistor, by contrast at 140/- is
seven pounds - getting on for half the weekly wage of some people back
then.

I may post some ads for complete equipment later, just to make you
cry.

Prices of transistors were dropping rapidly even then. I paid 7/6 for a
red spot (OC71 reject) in '59.

--
*Reality? Is that where the pizza delivery guy comes from?

Dave Plowman London SW
To e-mail, change noise into sound.

On Mon, 14 Dec 2009 23:22:03 +0000 (GMT), "Dave Plowman (News)"
wrote:

In article ,
Don Pearce wrote:
Interesting insight into the way things were in the 60s - I've just
been reading a Wireless World from November of that year. Valves
(tubes for those across the pond) were extremely cheap. And
transistors cost pretty much the same, which is why we treated them
with kid gloves and thermal shunts when soldering them into circuits.

http://www.soundthoughts.co.uk/look/valves.jpg

Money conversion for the young and foreign:

20 shillings to the pound, 12 pence to the shilling. A price given as
5/6 meant five shillings and six pence. So an ECC84 at 6/6 is 32.5
pence in today's money. A 28012 transistor, by contrast at 140/- is
seven pounds - getting on for half the weekly wage of some people back
then.

I may post some ads for complete equipment later, just to make you
cry.

Prices of transistors were dropping rapidly even then. I paid 7/6 for a
red spot (OC71 reject) in '59.

That was cheap, I remember paying something around thirty shillings
for a working one. Sinclair used to buy bags of rejects for nearly
nothing, go through them with a meter to find any that had even a tiny
amount of residual gain then sell them.

d

In message , Don Pearce
writes


Sinclair used to buy bags of rejects for nearly
nothing, go through them with a meter to find any that had even a tiny
amount of residual gain then sell them.

Well, I suppose that's one way of getting a knighthood, and then
elevation to the peerage!
--
Ian

Dave Plowman (News) wrote:
In article ,
Don Pearce wrote:
Interesting insight into the way things were in the 60s - I've just
been reading a Wireless World from November of that year. Valves
(tubes for those across the pond) were extremely cheap. And
transistors cost pretty much the same, which is why we treated them
with kid gloves and thermal shunts when soldering them into circuits.

http://www.soundthoughts.co.uk/look/valves.jpg

Money conversion for the young and foreign:

20 shillings to the pound, 12 pence to the shilling. A price given as
5/6 meant five shillings and six pence. So an ECC84 at 6/6 is 32.5
pence in today's money. A 28012 transistor, by contrast at 140/- is
seven pounds - getting on for half the weekly wage of some people back
then.

I may post some ads for complete equipment later, just to make you
cry.

Prices of transistors were dropping rapidly even then. I paid 7/6 for a
red spot (OC71 reject) in '59.



I had some of those too. There were also green spot rf ones. I still
have a red spot one. Must be worth a fortune now ;-)

Cheers

Ian

"Ian Bell" wrote

I had some of those too. There were also green spot rf ones. I still have
a red spot one. Must be worth a fortune now ;-)


If they are worth a fortune I'm sitting on a gold-mine here!

David.

In article , David Looser
wrote:
"Ian Bell" wrote

I had some of those too. There were also green spot rf ones. I still
have a red spot one. Must be worth a fortune now ;-)


If they are worth a fortune I'm sitting on a gold-mine here!

I think I have some old 'Newmarket' (if that was the name) transistors.
Maybe if these kinds of things are now 'historic relics' I should dig some
of them out... :-) IIRC they are still in the corrugated cardboard in the
boxes in which they were bought.

Slainte,

Jim

--
Please use the address on the audiomisc page if you wish to email me.
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