Tubes starting with 2

Type	Description	State	Brand	Number in stock	Price each (Euro)
2A3/n gold	Mesh plate globe tube. Ceramic base, gold pins, premium version	NNP	Full Music Picture (alike)	1 pair	190.00 (pair)
2A3-EH	2A3 gold, Ceramic base, gold plated grid wires	NNP	Electro-Harmonix	4 pairs	84.00 (pair)
2A3	ST shape, single square black plate, little loose base, directly heated triode. Testing good and looking good	USED?	Triad	1	45.00
2AF4		NOS	GE	1	7.50
2AS15A	Temperature limited diode	NOS	Kalotron	2	7.50
2C2S	Russian on tube looks like 2U2C, sold as is	NEW	Russian	2	2.00
2C34 / VT224	Double triode with double top cap. Very nice tube as single tube push-pull output stage, driver or as symmetrical pre amplifier. Dated 1944	NOS	National Union	20	15.00
JAN-CG-2C40	Power triode, in sealed bag	NOS	GE	1	32.50
2D21 / PL2D21		NOS	Philips	3	3.50
2D21 / 5727		NOS	GE	3	3.50
2D21	USA Made	NOS	Labelled RSD	3	2.00
RK2K25	Reflex Klystron	NOS	Raytheon	1	35.00
JAN-CRP-2K28	Reflex Klystron, not tested, but guaranteed ok	NEW	Raytheon	3	12.00
2K-28	Reflex Klystron, not tested, but guaranteed ok	NEW	Raytheon	1	12.00
2N015	Delay relay, state unknown, heater ok	NEW?	Amperite	1	7.50
2X2 / 879	High voltage rectifier	NOS	RCA	2	4.50
2X2A	High voltage rectifier	NOS	RCA	1	4.50
22S22C	Swedish military version of the GZ34		See GZ34
25L6GT / 25W6GT		NEW	Sylvania	6	3.50
CRC-26A7-GT	Looks unused, Based glued, with little crack in it, sold as is	NEW	RCA	1	3.50
27	Globe shape, mesh plates	NEW	Ken-Rad	1	24.00
28D7W	Double rugged penthode	NEW	Sylvania Gold Brand	1	8.50
205D/N	Mesh plate tennisball type tube. Great driver for 2A3 or 300B, or other power tubes	NNP	TJ	1 pair	270.00 (pair)
210LF	Small signal DHT, mu=11 and Rp=7k. Globe shape	NOS	Cossor	2 single 5 pairs	32.00 75.00 (pair)
210LF / VR21 / 10E/7738	Small signal DHT, mu=11 and Rp=7k. Globe shape	NEW	English made	4	30.00
210LF / VR21 / 10E/7738	Small signal DHT, mu=11 and Rp=7k. Globe shape, testing good	USED	English made	2	18.00
210T	15 W directly heated triode, equivalent to 10 and 10Y		See 10
211	DHT, graphite anodes, Billington gold, Chinese production, rigid tested for better performance	NNP	Billington picture	4 pairs	96.00 (pair)
215P	Small signal DHT, mu=9 and Rp=4k. Globe shape	NOS	Cossor	2 single 1 pair	34.00 80.00 (pair)
220P	Small signal DHT, mu=9 and Rp=4k. ST-shape	NEW	Haltron	2 pair	60.00 (pair)
2050A	Thrytron switch for jukeboxes	NOS	RCA	1	22.00
2050	Thrytron switch for jukeboxes	NEW	Remington Rand	2	18.00

Tubes starting with 3

Type	Description	State	Brand	Number in stock	Price each (Euro)
JAN-3A5	Very nice double DHT triode, great for symmetrical stages, like tube CD-players or pre amplifiers. Similar to the CV808	NOS	RCA	3	9.50
JRC-3A5	Very nice double DHT triode, great for symmetrical stages, like tube CD-players or pre amplifiers	NEW	RCA	6	6.50
JAN-CHS-3B7 / VT182	Great DHT for symmetrical stages, like CD-player tube outputs and pre amplifiers	NOS	Sylvania	4 single 5 pairs	14.00 35.00 (pair)
3B/240M / CV2214	Very high mu and gm tube, makes a great driver or one tube amplifier. Matched pair	NOS	STC Picture	1 pair	118.00 (pair)
3B/240M / CV2214	Very high mu and gm tube, makes a great driver or one tube amplifier. Pair testing 44 and 54 mA	NOS	STC Picture	1 pair	95.00 (pair)
JAN 3B22	full wave rectifier, not tested, but full warrantee applies	NOS	Cetron	1	18.00
3B22	full wave rectifier, not tested, but full warrantee applies	NEW	Electron Inc	1	15.00
3B24W	High voltage rectifier	NOS	English Electric Valve CO LTD	1	12.00
JAN-CRP-3B24W	High voltage rectifier	NOS	Raytheon	1	12.00
JAN 3B24WBM	High voltage rectifier	NOS	National Electronics	1	12.00
CUE-3B24WB	High voltage rectifier	NEW	United Electronics Company	1	12.00
3B28	High voltage rectifier. Untested, but full guarantee applies, in original case	NOS	RCA	10	22.00
JAN-CAHG-3B28	High voltage rectifier. Testing perfect	NEW	Chatham	3	20.00
3B28	High voltage rectifier. Testing perfect	NEW	Chatham	1	20.00
3C6	Double directly heated loctal triode. Black round plase	NEW	Raytheon	2	8.00
3C18P	Russian tube, text on tube is like 3U18pi, VIII 65	NOS	Russian	1	4.50
3C23	Gas filled Thyratron, looks a bit brown between the plates, but probably ok (from a militairy source), full guarantee apllies	USED?	Philips	1	18.00
3CX100A5 / 7289	100 watt transmitter power triode, I cannot tell if they good, can't test them, but full guarantee applies	USED	Raytheon	1	15.00
30	St shape, silver coloured plates, in original worn cases	NOS	RCA Radiotron	1 pair	38.00 (pair)
30	St shape, silver coloured plates	NEW	GE Radiotron	2 pair	34.00 (pair)
30C6S	Russian tube, text on tube is like 30U6C	NEW	Russian	1	4.50
33	Directly heated penthode, ST shape, sounds very good as triode	NOS	Adzam Picture	4 single7 pairs	14.50 32.50 (pair)
33S29B	Very special and rare Swedish military version of the 6SL7G		Take a look here!
33S30B	Very special and rare Swedish military version of the 6SN7G		Take a look here!
35A3		NOS	RSD	1	3.50
35EH5		NOS	RCA	1	4.50
35W4		NOS	RSD	10	2.00
38HE7		NEW	Matsushita	2	7.50
300B-EH	300B gold, Ceramic base, gold plated grid wires	NNP	Electro-Harmonix	4 pairs 2 quads	134.00(pair) 276.00(quad)
328	Double directly heated diode	NOS	RSD	1	15.00
3533	Photo tube	NOS	Philips	1	18.00

Tubes starting with 4

Type	Description	State	Brand	Number in stock	Price each (Euro)
4-125A	Hf power tetrode		See QB3/300
4C35 / CV1787 / FX2505	Hydrogyn filled Thyratron	NEW	English Electric Valve Co LTD	1	29.00
4CX250B/M	New in original case, from militairy stock. I cannot test them, but they are guaranteed ok. The /M-version has same or better specs than 4CX250B according to Eimac	NOS	Eimac Picture	2	89.00
4D21	Hf power tetrode		See QB3/300
4X150A / 7035	Beam Hf power tube. Looking very shiny and new. Not tested, but full warrantee applies	NOS	Eimac	1	65.00
40KG6(A)	35 watt power sweep penthode		See PL509/PL519
47	Globe shape, very beautiful! Picture	NEW	???	1	29.00
404A	Sharp Cutoff penthode for RF/IF amp, made in USA		See 5847A
451	High voltage rectifier, Picture	NOS	RSD	2	10.00
4020A	DHT, ST-shape	NOS	STC	1	25.00
4020A	DHT, ST-shape, looking alike the above one, but different label	NOS	LMT	1	25.00
4043C / CV1448	35W directly heated triode, great condition, black plates	NEW	STC	1	195.00
4152	Delay relay, state unknown, looks unused, heater ok	NEW?	Philips	1	17.50
4609	Small signal DHT, mu=11 and Rp=5k. Globe shape	NOS	Philips Miniwatt	2 pairs	90.00 (pair)
4654	Old near equivalent early version of the EL34/EL60, different socket (P-socket instead of octal) and topcap, great sounding tubes, getting very rare. Quad testing 72, 74, 78 and 78 mA. With wehrmacht and Swastika symbols	NOS	Philips Miniwatt Picture	1 quad	160.00 (quad)
4654	Old near equivalent early version of the EL34/EL60, different socket (P-socket instead of octal) and topcap, great sounding tubes, getting very rare. One has loose topcap. With wehrmacht and Swastika symbols	NOS	Philips Miniwatt Picture	1 pair	69.00 (pair)
4654	Old near equivalent early version of the EL34/EL60, different socket (P-socket instead of octal) and topcap, great sounding tubes, getting very rare. One has a bit bad paint (humidity). With wehrmacht and Swastika symbols	NOS	Philips Miniwatt Picture	1 pair	69.00 (pair)
4654	Old near equivalent early version of the EL34/EL60, different socket (P-socket instead of octal) and topcap, great sounding tubes, getting very rare.	NOS	Philips	2 single 1 pair	32.50 69.00 (pair)
4654-02	Old near equivalent early version of the EL34/EL60, different socket (P-socket instead of octal) and topcap, great sounding tubes, getting very rare. Used one is testing good	NEW USED	Valvo	1 1	32.50 21.00
4662	Indicator tube, stained glass, testing good	USED	Philips	2	12.50
4687	90V/40mA refrence tube, octal base (not P-socket)	NEW	Philips	1	8.00
4689	Old near equivalent version of the steel based EL34/EL60, different socket (P-socket instead of octal), great sounding tubes, getting very rare. Lower max plate voltage and dissipation. 51/FE datecodes, quad testing 80, 82, 82 and 82 mA	NOS	Philips Miniwatt Picture	1 quad	249.00 (quad)
4689	Old near equivalent version of the steel based EL34/EL60, different socket (P-socket instead of octal), great sounding tubes, getting very rare. Lower max plate voltage and dissipation. 51/FE datecodes	NOS	Philips Miniwatt Picture	2 single 1 pair	42.50 109.00 (pair)
4689	Old near equivalent version of the steel based EL34/EL60, different socket (P-socket instead of octal), great sounding tubes, getting very rare. Lower max plate voltage and dissipation. 51/FE datecodes, lo0oking very good, but testing 52 mA	USED?	Philips Miniwatt	2 single	29.00
4699	Old near equivalent version of the steel based EL34/EL60, different socket (P-socket instead of octal), great sounding tubes, getting very rare. fk5/5.. datecodes, quad testing 72, 72, 76 and 84 mA	NOS	Pope Picture	1 quad	289.00 (quad)
4699	Old near equivalent version of the steel based EL34/EL60, different socket (P-socket instead of octal), great sounding tube, getting very rare. fk5/5.. datecodes	NOS	Pope Picture (alike)	1	64.00
4699	Old near equivalent version of the steel based EL34/EL60, different socket (P-socket instead of octal), great sounding tube, getting very rare. fk5/5.. datecodes	NEW	Pope	1	60.00

Tubes starting with 5

Type	Description	State	Brand	Number in stock	Price each (Euro)
JTL-5A6	Power beam penthode	NEW	Tung-Sol	1	16.00
5AR4	American version of the GZ34		Take a look here!
5AZ4	Double diode	NOS	Philco	1	4.50
5B/254M / CV428	Loctal power penthode	NEW	STC	1 pair	25.00 (pair)
5B/255M / CV391	Loctal power penthode	NEW	STC	1	12.50
5R4WGB	Big grey ceramic socket. Black plates, getter in socket. Factory batch packing	NOS	Siemens	3 single 3 pair	22.00 52.00 (pair)
JAN-CAHG-5R4WGY	Big light brown ceramic socket. Black plates, getter in socket. Packed 2/52	NOS	Chatham Electronics	1	22.00
JAN-CAHG-5R4WGA	Big light brown ceramic socket. Black plates, getter in socket. Packed 1956	NOS	Chatham Electronics Picture	1 single 1 pair	22.00 52.00 (pair)
JAN-CAHG-5R4WGA	Big beige ceramic socket. Black plates, getter in socket. Testing like NOS	USED?	Chatham Electronics	7	15.00
JAN-CAHG-5R4WGY	Big light brown ceramic socket. Some scratches on base. Black plates, getter in socket. Testing like NOS	USED	Chatham Electronics	3	13.50
CRC-5R4-GY	Black coated plates, ST shape, brown base	NEW	RCA	1	17.50
JAN-CK-5R4GY	Black coated plates, ST shape, brown base	NEW	Canadian General electric	1	17.50
5R4GY	Black coated plates, ST shape, brown base, Probably USA made	NOS	Labelled RSD	5	15.00
5R4GY	Black coated plates, ST shape, Black base, Probably USA made	NOS	Labelled RSD	2	15.00
5R4GY	Grey plates, ST shape, black base	NEW	Sylvania	2	15.00
5R4GYA	black plates, straight shape, Brown base, made by GE	NOS	HP	2	13.50
5R4GYB	black coated plates, straight shape, Black base	NOS	Sylvania	2	13.50
5S2D / 5S2BA	Swedisch military version of the 6V6GT		Take a look here!
U52 / 5U4G	Old English version of the 5U4. Black plates, testing like NOS, also no burn marks on wire. Also labelled 10E/378	NEW	Mullard Picture (left two)	1 pair	149.00 (pair)
5U4G	Old English version of the 5U4. Black plates, testing like NOS, also no burn marks on wire, BVA label Amerty	NEW	Mullard Picture (right)	1	69.00
JAN CHS 5U4G	Black plates	NOS	Sylvania Picture	1	27.50
5U4GB	made in USA, testing good	USED	USA brands	14	8.50
5U3C	Russian equivalent to the 5U4GT. Black base, tall ST shape, old Svetlana factory logo. In original case	NOS	Russian NOS Picture	35	13.50
5U4C	Russian directly heated double diode, 5mu3C	NOS	NOS Russian	6	9.50
5U4GB	New production	NNP	Electro-Harmonix	12	11.50
5V4GA	Round glass shape, black plates, testing like NOS	USED	RCA	1	9.00
JAN-CNU-5W4GT	Black plates, dated 1952	NOS	National Union	20	8.50
JAN-CHY-5Y3WGTA	350V/125mA double diode, black plates, straight glass, very strong build! Picture	NEW	CBS-Hytron	1	29.50
U50	English version of the 5Y3GT, ST-shape, black plates	NEW	English brands	2	24.50
5Y3GB	ST-shape, Grey plates with common cathode. Made in France	NEW	Mazda	1	22.50
JAN 5Y3WGTA	Straight glass, black coated plates, brown base. Dated 1971, similar to the CV4027	NOS	Sylvania	10	12.50
JAN 5Y3WGTA	Straight glass, black coated plates, black base. Dated 1978, similar to the CV4027	NOS	Sylvania	10	11.50
5Y3GT	Straight glass, black coated plates	NOS	Sylvania	4	11.50
5Y3GT	Straight glass, grey plates	NOS	RSD	6	9.50
5Y3GT	Straight glass, black coated plates, testing like NOS	USED	USA Brands	20	7.50
5Y4G	350V/125mA double diode, same as 5Y3G, only different pin-out. St shape	NOS	RCA	6	13.50
5Z3	St shape, grey plates. Made in Italy	NOS	Fivre	10	28.00
CV1861 / 5Z3G	St shape, black plates. Testing like NOS	USED?	RCA	2	18.00
5Z3G	St shape, black plates. Testing like NOS	USED?	RCA	4	11.00
CV1983 / 5Z4G	St shape, large perforated plates, probably made by Brimar, KB/FB datecodes	NOS	Gt. Britain	1	24.50
10E/598 / 5Z4G	St shape, large perforated plates, probably made by Brimar	NOS	AnM	1	19.50
10R/598 / 5Z4G	St shape, Black round plates	NOS	Adzam	1	17.50
5Z4G	St shape, large perforated plates, probably made by Brimar	NOS	Labelled Tronal	2	14.50
5Z4G	St shape, large perforated plates, probably made by Brimar	NOS	Labelled C&K	1	14.50
5Z4G	St shape, Black plates	NOS	Tungsram	1	13.50
5Z4G	St shape, black plates, testing good	USED	Brimar	4	11.00
5Z4	Steel housing	NOS	Dumont	12	5.00
5Z4C	Straight glass	NEW	RFT	2	5.00
25L6GT	Power penthode	NOS	GE	5	4.50
26E6WG	Double power penthode	NOS	Tung-Sol	1	14.50
56	Single triode, Black round plates. Probably made by RCA, or in license of RCA	NOS	Visseaux / Belvu	1 single 2 pairs	17.50 44.00 (pair)
58CG	Phototube	NOS	Philips	7	2.50
250	Large globe 50 directly heated triode. Black plates, testing very high (55mA and Gm=2.3), very good getters	NEW	Ceco Picture	1	225.00
570	Low voltage subminiature triode		See CK570AX
CK5517	Cold cathode half wave rectifier	NOS	Raytheon	5	6.50
5581	Phototube	NEW	RCA	1	8.00
JAN 5639	High gm subminiature penthode. Very nice tube for on top in small mu-stages or cathode followers	NOS	Philips ECG	180	4.00
JHS 5641	Subminiature half wave rectifier	NOS	Sylvania	4	9.50
5642	High voltage sub miniature rectifier. Pulls from working Tektronix equipment	USED	Apollo	2	7.50
5654	Special quality signal pentode		See E95F
JHY-5670	D-getter, black plates, shield between the plates. Dated 11/1960	NOS	Hytron picture	12 single 24 pairs	10.00 23.00 (pair)
JAN-5670	O-getter, black plates, shield between the plates. Dated 1/1968	NOS	GE	4 single 6 pairs	7.50 18.00 (pair)
CK 5672	short leads	NEW	Raytheon	1	5.00
JTL 5672	Long leads	NEW	Tung-Sol	1	5.00
5675	Hf glass-metal pencil triode	NOS	USA brands	11	16.00
CV2254 / 5678		NOS	Zaerix	1	3.50
5678		NOS	Philips	1	2.50
JRP 5678	Short leads	NEw or USED?	Raytheon	4	1.25
JAN 5686	Hf power penthode	NOS	GE	5	4.50
5687	D-getter, black plates, copper grid rods, thick upper mica, from factory batch packing. 1950's production, best sounding 5687 by many	NOS	Tungsol picture	5 single	36.00
5687WB	O-getter, black plates, copper grid rods. Dated 8/48, Richardson Electronics LTD	NOS	Labelled National	8 single 11 pairs	19.00 44.00 (pair)
5687	***** version (audio), O-getter, black plates, extra support rods	NEW	GE	1	19.50
5687	Black plates, O-getter, extra support rods, no matching pairs	NOS	RCA	1	12.50
5687		NEW	RCA	1	10.00
5691	Special audio version of the 6SL7GT, great sound!		Take a look here!
5692	Special audio version of the 6SN7GT, great sound!		Take a look here!
5702WB	Subminiature penthode	NOS	Raytheon	5	6.50
5703WB	Subminiature triode. Very nice soundig tube for pre stages and DAC output stages. Untested, but guaranteed and in original case	NOS	Raytheon	680	12.50
5718	Subminiature triode. Very nice soundig tube for pre stages and DAC output stages. Untested, but guaranteed and in original case	NOS	General Electric	10	12.50
5718	Subminiature triode. Very nice soundig tube for pre stages and DAC output stages. Untested, but guaranteed and in original case	NOS	CEI	8	10.00
5725		NOS	Cifte	1	4.50
5751	Very good low noise ECC83 sub!		Take a look here!
5755 JAN	Double militairy pre-amplifier triode, Picture	NOS	Raytheon	5 single 3 pairs	8.50 20.00 (pair)
5763 / QE03/10	12 watt tetrode	NOS	Brimar	2	8.00
5763 / QE03/10	12 watt tetrode	NEW	RCA	15	4.50
5814(A)	Premium version of the ECC82/12AU7		Take a look here!
5823	Phototube	NOS	Philips	1	3.50
5823	Phototube	NOS	RCA	5	3.50
JTL 5829WA	Subminiature double diode	NOS	Tungsol	2	12.50
CK5829WA	Subminiature double diode	NOS	Raytheon	1	12.50
JAN 5842 / 272B	High mu and Gm triode, great driver. Black plates	NOS	National	2 single 2 pairs	13.50 35.00 (pair)
5847A / 404A	Shap Cutoff penthode for RF/IF amp, made in USA	NEW	Amperex	10	9.00
5881	military version of the 6L6		Take a look here!
CK5886	Subminiature penthode	NOS	Raytheon	1	9.00
JAN 5902	Subminiature penthode	NOS	Raytheon	4	6.50
5932	Mechanically ruggidised version of the 6L6		Take a look here!
5963	Computer version of ECC82		Take a look here!
5965	Used many times in place of a 12AT7/ECC81 for lower gain and microphonics. Sylvania gold brands and many other brands available, please ask if you are looking for something specific	NOS		about 100
5965	Gold pins, 17 mm long rounded plates, disk getter. Dated 1962. Green sylvania text, but they are Sylvania gold brand, very rare	NOS	Sylvania	4 single 6 pairs	21.00 50.00 (pair)
GB5965	17 mm long plates, D-getter. Dated 1957	NOS	GE	4 single 2 pairs	17.00 40.00 (pair)
5992	Ruggidised 6V6G		Take a look here!
56001		NEW	Philips	4	3.50