[www.keith-snook.info]


~ VALVES for SALE ~ March 2017 ~

Valve box images you will see elsewhere as they are stolen from this site

Below is a list of thermionic valves for Sale ~ They are mostly British or US made Vintage parts which I test to the Manufacturers or the AVO 163 spec before shipping ~ Although they are mainly New old Stock some have logos rubbed off and are not supplied in manufacturers original boxes as described in the listing below

Valve box images you will see elsewhere as they are stolen from this site

This is not an e-commerce site ~ The parts I sell and have sold via my web site since 1993 are to help others interested in fixing or restoring vintage radios and amplifiers and unfortunately due to eBay and other sites they are now realistically priced ~ Please email me keith@keith-snook.info to confirm availability and postage cost

~ ALL PRICES ARE GREAT BRITISH POUND GBP indicated by £ ~

Unless stated otherwise the price is for a single item ~ Postage and packing is charged at cost and added to the total price on confirmation of delivery address ~ for bulk orders UK postage and packing up to 500g total weight is 7.50GBP ~ I will consider sensible offers on all or any valves listed here

When measured correctly using the right equipment and reference data valves should not be described as testing STRONG or greater than 100% ~ This suggests that the valve is conducting more anode current than it should for the given negative control grid voltage and indicates that the static gain is out of spec. ~ At the higher static Ia the gm will also be higher but this greater than 100%condition may not be achieved in practice with auto-bias or even desireable for some designs

There are valve characteristics other than Ia and gm that also need to be tested which include cathode to heater insulation ~ often marked CH on valve testers and GAS current or positive grid current due to an imperfect vacuum ~ these measurements need to be made when the valve is fully hot and are often overlooked so when purchasing from places like eBay you should check that they have been measured

The AVO163 Valve Characteristic Meter provides for measuring the screen grid current Ig2 and gain gmg2 ~ this measurement often proves very useful and can highlight problems with modern copies of classic valves like the PM Components retro look KT66 where the g2 current and gm are almost non existent due to the bad alignment between g1 and g2 which prevents these and similar copy KT66 valves from performing correctly in circuits like the QUAD II and some 'Ultra Linear" designs

If you need valves tested a typical cost is 3GBP per valve and less for batches of the same type plus return postage ~ Testing is done using an AVO 163 or TEK576 as shown below or valve specific d.c. jigs where required ~ The valves I sell are tested 'good' to AVO spec and some also have results indicating the control grid g1 voltage for a specific Ia and gm at that Ia


 Single TRIODE Valves for Sale

Type No.

Manufacturer

Price

Equivalents ~ Additional Information

6C4
Brimar
£6
EC90
6C4
USA
£5
EC90 ~ 6100 ~ Various JAN makes
6C5
USA
£5
badly stored test well pictures on request
EC92
Mullard
£8
EC8010
Siemens
£30
8556 ~ single triode gold pins ~ only 2 left
EC8010
GEC
£35
Made in Germany for GEC UK ~ only 2 left
VR-67
Ratheon USA
£8
CV1067 CV1932 VT154 6J5
12AE6
USA ?
£12
Double diode triode 12V heater
12B4A
GE USA
£12
5.5W anode disipstion B9A base 6V or 12V heaters
12J5 GT
USA
£8
6BJ8
Pinnacle
£5
Double diode triode
6135
Sylvania
£8
6C4 ~ Special quality EC90 with triple mica top


 Double TRIODE Valves for Sale

Type No.

Manufacturer

Price

Equivalents ~ Additional Information


6C8–G
RCA
£10
Octal base double triode with grid top cap
6F8–G
USA
£10
VT99 ~ 6SN7 with top cap grid NOT round anode type
5687
GE–USA
£10
Look used but test good
5751
Various USA
£9
Used but test okay vintage US Mil spec. brands not Russian
5998
USA–JAN
£15
Chatham Electronics ~ used but still in top condition
6350
RCA
£15
no box
6L19
Mazda
£45
CV1850 ~ Mazda Great Britain
6922
Various USA
£7
JAN stock lightly used all tested to spec
6BQ7
Various USA
£10
6BZ7
6SL7GT
Brimar
£50
both sections test 100% so close match QUAD Hi-Fi sales and information
6SL7GT
Brimar
£45
Stored loose no box both sections test 100% QUAD Hi-Fi sales and information
6SN7
Various USA
£27
JAN look used but test to spec
12AU7
Various USA
£7
Lightly used all tested to spec
12BH7
Brimar
£9
no box
E80CC
Mullard
£35
Special Quality ~ boxed
ECC81
Mullard
£15
6060 ~ 12AT7 ~ CV455 lightly used fully tested
ECC81
Brimar
£25
New in boxes CV versions
ECC82
Various US & UK
£15
lightly used tested supplied with test results
ECC82
Mazda
£20
New in boxes various styles available
ECC83
Various US
£15
12AX7 and ECC83 branded US JAN used or without logos
ECC83
Mullard
See >>
Various used types bagged with test results £15-£50
6060
GEC
£15
ECC81 ~ 12AT7 ~ CV455 double triode
CV 4024
Brimar
£15
12AT7 ~ CV455 Special Quality ECC81 QUAD Hi-Fi sales and information
CV 4035
Brimar
£42
Mil spec. black box anodes ~ only 3 left
ECC84
Mullard
£10
Early style excellent used condition


TRIODE / PENTODE Valves for Sale

Type No.

Manufacturer

price

Equivalents ~ Additional Information

6GE8
Westinghouse
£15
7734 ~ Specially selected for Tektronix
ECL80
Mullard
£8
 
ECL82
Mullard
£6
Used items that test well both sections


 TRIODE / HEPTODE Valves for Sale

Type No.

Manufacturer

Price

Equivalents ~ Additional Information

6C12
US JAN
£10
ECH84
Mullard
£10
6DS8 ~ New and slightly used will be fully tested


 Power TETRODE Valves for Sale

Type No.

Manufacturer

Price

Equivalents ~ Additional Information


6883B
RCA
£18
6883B = 8032A = 8552 ~ Dual RF beam tetrode
6CH6
UK Mil spec.
£8
6CH6 = CV2127~ Beam Tetrode
6CH6
Brimar
£8
6CH6 = CV2127~ Beam Tetrode
6CZ5
RCA
£10
6973
6L6G
Brimar
£50
in box QUAD Hi-Fi sales and information
6V6GT
Brimar
£40
6V6GT
RCA
£20
look used test as new
6V6GT
Ratheon
£20
look used test as new
12E1
Mullard
£15
CV345
185BT
Emitron
£12
CV1980 ~
CV4040
STC
£27
S6F17
DS19/87B
Radio valve
15/+P.T.
Last one sold to Mr T Hancock ~ October 1961
KT63
Marconi MOV
£12
6F6 ARP17 CV1186 CV1911 NR85 QUAD Hi-Fi sales and information


 Signal PENTODE Valves for Sale

Type No.

Manufacturer

Price

Equivalents ~ Additional Information


717A
USA JAN
£4
VT–269 Used but test good ~ 30GBP for 10
6197
RCA–USA
£5
6870
Brimar
£12
High Quality "Trustworthy" range VHF/Video pentode
7788
Amperex
£25
E810F ~ CV5809
26A6
US
£8
26V heater variable µ pentode ~ no box
26A7GT
USA
£8
26V heater dual pentode used in analogue computers
6AH6
USA JAN
£7
Ratheon and Sylvania no boxes
6AS6
Mullard
£6
Dual control gate Pentode used Racal RA37 etc.
6AU6
Brimar
£8
6AU6 = CV2524 ~ EF94 ~ later style long screen type
6SS7
USA JAN
£5
1930s Metal can US Mil spec not the best lookers some surface rust but test good made by RCA KenRad Philips
6SK7
USA JAN
£7
1930s US Army Navy stock black metal cans
6AU6WC
USA JAN
£10
6136 ~ Mil spec EF94
6BR7
Brimar
£10
Low microphony Low noise slightly used tested
6BW7
Brimar
£10
Video or IF to 45MHz Pentode
6F13
Brimar
£7
CV1839 Video or IF Pentode
6F15
Brimar
£7
Variable mu Pentode
6F23
Brimar
£8
EF812 ~ 6EL7 ~ Z749 ~ 9.2mA/V
6F32
Mazda
£7
CV1116 ~ VR116 ~ V872
E180F
Mullard
£7
CV3998 ~ 6688
EF183
Mullard
£8
6EH7 ~ CV5831 ~ Variable mu VHF Pentode
EF183
Mazda
£5
6EH7 ~ CV5831 ~ Variable mu VHF Pentode
EF80
Various
£6
6BX6 ~ High Slope RF Pentode
EF804S
Telefunken
£30
NIB West German made
EF91
Mullard
£10
CV138 ~ 6AM6
EF92
Mullard
£10
CV131 ~ 6CQ6 ~ 9D6 QUAD Hi-Fi Classic
EF93
Mullard
£10
CV454 ~ 6BA6 ~ W727 Special Quality CV4009 ~ 5749
EF95
Mullard
£10
6AK5 ~ Replacement for Yaqin 6J1 ?
M8083
Mullard
£15
M8083 = CV4014 = 6064 Special Quality EF91 QUAD Hi-Fi Classic
M8100
Mullard
£15
M8100 = CV4010 ~ Special Quality Military EF95
PSG8
ITT
£15
CV2243 ~ VX6108 ~ no box


 Power PENTODE Valves for Sale

Type No.

Manufacturer

Price

Equivalents ~ Additional Information


25L6 GT
USA
£10
KT32 ~ CV553
6197
RCA
£15
6CL6 ~ Top quality selected for Tektronix
AL60
Mullard
£45
AL60 = CV9 = CV0009 ~ Ex BBC stock QUAD Hi-Fi Classic
A2134
MOV
£18
CV2179
CV4060
STC ?
£32
S11E12 ~ no box
EL34
Mullard
£60
xf2 and xf4 some logo rubbed but etched codes clear
EL34
Bentley Acoustic
£30
EL85
Mullard
£8
6BN5 ~ boxed
6AG7 Y
USA
£10
6AU5 GT
USA
£7
Low Va Beam Pentode ~ series regulator
6AQ5 W
USA
£10
EL90 ~ US JAN stock
PFL200
Mullard
£10
Late design Double Pentode no box
QP22A
Mullard
£25
K77A ~ Original old box excellent old valve
Type 42
Tungsram
£50
CV609 ~ UX6 base excellent condition only 3 left


 BATTERY Radio VALVES — 1.4V heaters

Type No.

Manufacturer

Price

Equivalents ~ Additional Information


1S5
Westinghouse
£7
1S5 = DAF91
DA90
Mullard
£7
1.4V heater single diode
DL95
??
£7
CV818 ~ 3Q4 ~ 1.4V Output Pentode
DL96
Mullard
£7
DF91
Mullard
£7
CV785 ~ 1T4 ~ 1.4V heater variable µ pentode


 Signal DIODE Valves for Sale

Type No.

Manufacturer

Price

Equivalents ~ Additional Information


EB34
Mullard
£10
EB91
Mullard
£6
CV140 ~ 6AL5 ~ CV283 all types stocked
M8079
Mullard
£6
6058 ~ CV4025 Special Quality double diode
6058
Brimar
£6
CV4025 ~ M8079 Special Quality no box


 RECTIFIER DIODE Valves for Sale

Type No.

Manufacturer

Price

Equivalents ~ Additional Information


1Z2
Chatham USA
£5
7Z4
Pinacle
£5
CV346 CV1790 EZ22 VT-181
6U4 GT
Brimar
£5
6X4
USA
£10
U78 ~ EZ90 ~ CV493 US JAN mil stock ~ GE ~ Sylvania
EZ81
Mullard
£15
6CA4 ~ CV5072 ~ 1960s—1970s ~ lightly used or no logo
HTJ2–2A
AEI
£7
Solid State replacement for most Octal based full wave rectifiers like GZ32 Use with care
JAN–73
Raytheon
£7
RKR–73 ~ CV2543 Octal base single EHT rectifier
VU39A
GEC
£10
AU3A ~ IW4 ~ NU17 ~ CV1039 4pin 4V heater
5R4 WG
Chatham USA
£10
Also available WGA WGB Brown Base
5Y3 GT
USA
£20
Only a few left


 "MAGIC EYE" Indicator Valves for Sale

Type No.

Manufacturer

Price

Equivalents ~ Additional Information


EM81
Mullard
£15
CV5055
EM84
Mullard
£15
no boxes
6U5G
ELPICO
£40
6G5 6H5 6U5 CV504 VT-98 Y63 6E5 6T5 6AB5 6N5 ~ UX6 base NOT octal in scrappy box


Current and voltage REGULATORS and other GAS FILLED Valves for Sale
Type No.
Manufacturer
Price
Equivalents ~ Additional Information

EN91
Mullard
£5
2D21 ~ 5727
QS150/40
Various
£16
0D3 ~ 150V regulator
50C1
Mullard
£7
50V regulator
75C1
Mullard
£7
75V regulator
85A2
Mullard
£7
85V regulator
85C1
Mullard
£7
85C1 = 85A2 = CV449
90C1
Mullard
£7
90V regulator ≈115V strike 1–35mA
150C1
Mullard
£7
150V regulator
108C1
Mullard
£10
OB2
CV449
Military mark
£10
85A2 85V regulator
G240/2D
ITT
£22
G240/2D = CV2174
Z806W
Mullard
£10
Cold cathode trigger relay valve similar to Z805U or Z804U
0D3
Mullard
£10
150C3 ~ CV216 ~ 150V regulator
301
Osram
£25
Barretter 301 300mA heater current regulator

Dynamic testing and comparison of valves using a TEK 576 curve–tracer

This level of testing will often show differences in valves that are not obvious from the single point Ia and gm testing available with a valve tester — It also shows that many modern equivalent valves DO NOT exactly follow the characteristics of the original items which may explain reported differences between good NOS valves and some modern replacements

Testing valves for Beard Audio repair service
Beard Audio repairs schematics plot


QUAD Hi-Fi Valve data Sheets Valve Audio Articles Component Colour Codes

"Got a case of dynamite ~ I could hold out here all night"