Machmat has been taken over by Triple M Audio Shop and moved to a new location in Rhenen, the Netherlands. We are now transferring all of our stock to the Triple M WWW-site, we hope to have this finished first half of 2011. All new additions will be added to the Triple M website only. Please note: The actual prices are noted on the Triple M audio shop website. Prices on the MachMat site may be used as reference only. If you have any questions, please mail us. Sorry for any inconvinience.

Tubes starting with 6

NEW

Type	Description	State	Brand	Number in stock	Price each (Euro)
6A3	6.3V version of the 2A3. Double black plates. Black coated glass	NEW	LaFayette	1	39.00
6A3	6.3V version of the 2A3. Double black plates	NEW	Brimar	1	39.00
JTL-6A5	Noval directly heated tube (not equivalent to the 6B4G octal triode)	NEW	Tung-Sol	1	8.50
6AG7	Metal tube	NEW	RCA	1	2.50
6AH4GT	Single power triode, great for tube pre amplifiers. Black plates	NOS	GE	19	22.50
JAN 6AH6WA	Black plates	NOS	Sylvania	2	3.50
JRP-6AH6	Black plates	NEW	Raytheon	2	2.00
6AK5W	Special quality signal pentode		See E95F
JRC 6AK6		NEW	RCA	2	2.50
6AL5			See EAA91
6AM4	Gold pins, testing like NOS	USED	???	3	6.50
6AM6	military EF91 version		See EF91
6AN8A	RCA red logo, testing like NOS	USED	RCA	3 single 2 pairs	12.50 29.00 (pair)
6AR5		NEW	RCA	6	2.50
6AU6	=EF94		See EF94
6080 / 6AS7 / ECC230	Straight glass, steel base, SQ, made in Holland	NEW	Philips	5	22.00
6AS8		NOS	RCA	1	3.50
6AX4GTB	HV diode, Labelled Fleetwood Japan	NOS	Westinghouse	1	4.50
6AX4GT	HV diode	NOS	RSD	3	4.50
6AX4GTB	HV diode	NEW	Zenith	1	3.50
6AW8A		NEW?	Made in Canada	1	4.50
6B5	Black plates	NEW	Great Brittain	1	13.50
6B8		NOS	GE	1	4.50
6B8		NOS	Zaerix	3	4.50
6BC7	Triple diode	NOS	RCA	2	4.50
6BE6			See EK90
6BG6GA	Power penthode	NEW	GE	2	18.00
6BJ6 / E99F	Juke box pre amplifier tube	NOS	RCA	1	5.00
6BJ6 / E99F	Juke box pre amplifier tube	NOS	Zaerix/td>	2	4.50
6BK8	Low noise pre-amplifier pentode		See EF86
6BL7GTA	Double power triode, great for (symmetrical) tube pre amplifiers. Black plates	NOS	Sylvania	5	22.50
6BL8			See ECF80
6BK4C / 6EL4A	Shunt regulator triode, untested, but full guarantee applies	NOS	Philips ECG	3	25.00
6BN6		NOS	GE	1	4.00
6BQ6GTB / 6CU6		NOS	Westinghouse	1	7.50
6BQ6GTB / 6CU6		NOS	Rogers	1	7.50
6BR5	Magic eye, indicator tube		See EM80
6BR7	Made by Philips	NOS	Labelled RSD	5	3.50
6BS7		NOS	Zaerix	2	4.50
6BQ5	EL84, E84L		Take a look here!
6BW6		NOS	Brimar	5	4.75
6BW6	Maybe Brimar	NOS	Zaerix	12	4.25
6BW6	Black coated plates	NOS	RSD	4	4.00
6C5A / 6S5D	Russian planar triode (tekst looks like: 6C5A). Bit corroded, but NOS, untested, but guaranteed good	NOS	=C=	3	10.00
6C5 / VT65	Steel	NOS	RCA	4	4.50
6C5S	Russian tube, text on tube looks like 6U5C	NOS	Russian	1	4.50
6C19pi-B (also called 6S19pi, 6S19P or 6C19P)	High Gm triode, very nice for pre amplifiers	NOS	Russian NOS	2 single 9 pairs	9.00 22.00 (pair)
6C33C-B	long life Russian power triode	NOS	Russian	8	25.00
6C45pi-E (also called 6S45pi, 6S45P or 6C45P)	Russian WE 437A equivalent. Rare Long life version. Very high gm tube, mu=50 and gm=40, this makes 1k2 plate impedance. 7W plate dissipation gives a lot of drive. Ideal tube as driver (only one tube needed!) or as one tube power amplifier (1.5W output with one tube!). About 1 mm thick heavy black plates. Long Life version	NOS	Russian NOS Picture	10 single 40 pairs	21.00 48.00 (pair)
6C51N-B	Russian tube, text on tube looks like 6C51H-B, Russian 1:1 equivalent to the 7586 nuvistor	NOS	Russian	8	14.50
6CA4	Double 350V/150 mA diode		See EZ81
6CA7	EL34, E34L		Take a look here!
6CB6			See EF190
6CD6	Power penthode with topcap.Testing like NOS (very low hours)	USED?	RCA	1	28.00
6CD7	Magic eye, indicator tube		See EM34
6CG7	Shield between plates, O-getter, Made by Fivre (France), internally matched	NOS	Labelled Haltron	1	27.00
6CG7	No shield between plates, O-getter, Probably Tungsram made, internally matched	NOS	Labelled Haltron	1	22.00
6CG7	Shield between plates, O-getter, Made in Japan, internally matched, testing like NOS	USED	Labelled Fleetwood/Rogers	1	11.00
6CG7-EHG	Gold version, gold plated pins	NNP	Electro-Harmonix	4 single 10 pairs	16.50 37.50(pair)
6CJ6	8 watt power pentode		See EL81
6CK6	9 watt power pentode		See EL83
6CL6	9W pentode	NEW	RCA	5	3.50
6CL6	9W pentode	NOS	RSD	4	3.50
6CS6			See EH90
6CW4	Nuvistor tube, cannot test it, sold as is	NOS	Sylvania ECG	12	8.50
6CW5	12 watt power pentode		See EL86
6CZ5	testing good	USED	RCA	1	4.50
6D6	Looks unused, sold as is	NEW	Brimar	1	4.50
6D8	Russian metal tube, text looks like 6H8 or 6A8. Looks unused, sold as is	NEW	Russian	1	2.00
6D10	Compactron, triple triode	NOS	GE	12	26.50
6DA5	Magic eye, indicator tube		See EM81
6DH7	Magic eye, indicator tube		See EM85
6DJ8	ECC88, E88CC, E188CC, E288CC, 6922, CCa, 6H23, CV2492, 7308, 8223		Take a look here!
6DQ5	25 watt pentode	NEW	Standard (USA)	1	22.00
6DQ6B	15 watt pentode, USA made, great tubes	NOS	Labelled RSD	2	22.00
6E5	Magic eye tube. 50% green light	USED	RCA	1	10.00
6E8MG	Metal tube, sold as is	NEW?	Mazda	2	5.00
6E8MG	Metal tube, sold as is	NEW?	Visseaux	1	5.00
6EL4A	Shunt regulator triode		See 6BK4C
6EM5	Black coated plates	NEW	RCA	9	3.50
6EM7 / 6EA7	Small signal and power triode in one tube, great for one tube single ended power amplifiers. Black plates, flat base	NOS	Sylvania	9	14.50
6EZ8	Untested, sold as is, made in USA	USED?	LMI	1	8.50
6FG7	Magic eye, indicator tube		See EM84
6FQ7	Long Black coated plates, D-getter	NEW	Made in Canada	1	32.00
6G6	Looks unused, sold as is	NEW	Fivre	1	4.50
6G7	Russian metal tube, text looks like 6L7, with the L turned opside down. Looks unused, sold as is	NEW	Russian	1	2.00
6G11	In original case, Tektronix part no: 154-0660-00	NOS	Made by GE	1	18.50
6H-6	Ballast tube	NOS	Amperite	11	4.50
6H6	Steel	NOS	GE	2	4.50
6H6	Steel	NOS	Sylvania	2	4.50
6H6	Steel	NOS	RCA	2	4.50
6H6	Steel	NOS	Philips	1	3.50
JAN CHS 6H6GT	Glass	NEW	Sylvania	1	4.50
6H1pi or 6H1n or 6N1pi	Russian version of the ECC88/6DJ8, can also replace or be replaced by the ECC85, different specs, but same pinout		Take a look here!
6H2pi or 6H2n or 6N2pi	Russian version of ECC83. Higher gm, different pinout (heater only 6.3V), shielding between plates		Take a look here!
6H8C	Russian version of the 6SN7GT		Take a look here!
6H9C	Russian version of the 6SL7GT		Take a look here!
6H13C	Russian version of the 6AS7G / ECC230		Take a look here!
6H23pi or 6H23n or 6N23pi	Russian (goldpinned) version of the E88CC/6922		Take a look here!
6H30pi-DR	Top quality 6H30 tubes for BAT, Audio Research and any other amplifiers. From factory batch packing, in white boxes. Bought directly from the Russian army, no fakes, the real deal, NOS Russian production	NOS	Russian Picture	4 single 12 pairs	59.00 134.00 (pair)
6H30pi-EH	6H30piEH gold, gold pins	NNP	Electro-Harmonix	4 single 8 pairs	23.50 49.00 (pair)
6HU6	Magic eye		See EM87
CV1067 / 6J5G	Coke bottle shape, Black rounded plates, pair testing 10/11 mA (9 is NOS)	NEW	English made	1 pair	66.00 (pair)
6J5G / CV1932	Military black plate version of the 6J5G, Made by Mullard, KB/T HA militairy date codes. Copper grid rods.	NOS	Valve Electronic Picture 1 Picture 2	3 single 3 pair	23.00 56.00 (pair)
CV1932 / 6J5G	Coke bottle shape, black coated glass, pair testing 10 and 12 mA (9 is NOS), pulls from revised militairy equipment	USED?	English made	1 pair	42.00 (pair)
6J5G / ZA4138	Coke bottle shape, black plates, pair testing 14 and 18 mA	NEW	England	1 pair	52.00 (pair)
JAN-CKR-6J5GT/G VT-94D	Steel base, straight glass, black plates, matched pair	NOS	Ken-Rad	1 pair	52.00 (pair)
6J5GT	Straight glass, black rounded plates, pair testing 8 and 12 mA	NOS	KR tubes	1 pair	54.00 (pair)
6J5G	Straight glass, black round plates, pair testing 14 and 17 mA	NEW	National Union	1 pair	54.00 (pair)
CV1932 / 6J5G	ST shape, Black rounded plates	NOS	Marconi	1	26.00
L63 / 6J5G	ST shape, Black square plates	NOS	Marconi	1	24.00
STCC101 / 6J5G	ST shape, Black rounded plates	NEW	English made	2	24.00
6J5G	ST shape, Black glass	NEW	Brimar	1	24.00
6J5G	ST shape, Black glass, made in England	NEW	Philips	1	22.00
L63 / 6J5G	Old English version of the 6J5, straight glass, black glass	NEW	MWT	1	22.00
L63 / 6J5G	Old English version of the 6J5, straight glass, black glass	NEW	Osram	2	22.00
6J5G	ST shape, rounded plates	NEW	Brimar	1	22.00
L63 / 6J5G	St shape, rounded plates	NEW	Gecovalve	1	22.00
VT94D / 6J5GT	straight glass, steel base	NEW	Sylvania	1	22.00
6J5GT	straight glass, steel base	NEW	Sylvania	1	22.00
6J6	Double triode		See ECC91
6K7	Steel base	NOS	RSD	2	3.50
6K7	Russian metal tube. Looks unused, sold as is	NEW	Russian	2	2.00
6K8	Steel house	NOS	RCA	1	4.00
6KD6	35 watt sweep pentode	NOS	RCA	2	24.00
6KD6	35 watt sweep pentode	NOS	GE	2	24.00
6KD8	Signal triode/pentode		See ECF82
6KX8 / ECC808	Low noise ECC83 replacement		Take a look here!
6L5	Double triode	NOS	National Union	1	9.00
6L6(W)(G)(A)(B)(C)	Many versions available		Take a look here!
6L7	Steel house	NOS	Ferranti	1	4.00
6M7	Metal tube, sold as is	NEW?	Philips	4	5.00
6M7MG	Metal tube, sold as is	NEW?	Mazda	4	5.00
6N7	Steel case	NOS	Dumont	2	4.50
6N7	Steel case	NOS	RCA	1	4.50
6N7	Steel case	NOS	GE	1	4.50
6N045	Delay relay	NOS	Amperite	2	18.50
6Q7G	Looks unused, sold as is	NEW	RCA	1	4.50
6Q7G	used, sold as is	USED	???	1	2.50
6R7G	ST shape	NOS	Zaerix	6	4.50
JAN CNU 6SG7GT	Metal base	NOS	National Union	8	4.50
6SL7(W)(GT)	Double audio triode		Take a look here!
6SN7(W)(GT)(A)(B)	Double audio triode		Take a look here!
6U8(A)	Signal triode/pentode		See ECF82
6V4	Double 350V/90 mA diode		See EZ80
6V6(G)(T)(Y)(A)	14 watt output pentode		Take a look here!
6W4GT		NOS	Hit Ray	1	4.50
6W6	10 watt output pentode, clear glass, double D-getter, sold as is	USED	RCA	1	2.50
6X4	Double 325V/70 mA diode		See EZ90
6X5G / 10E/582 / ZA3494	St shape, testing good	USED	England	1	4.50
6X5GT	Labelled Westinghouse	NOS	Rogers	1	4.50
6X5GT	Testing like NOS	USED?	RCA	3	2.50
6Y6GA / 6G6G	Black coated plates, straight roundish glass shape	NEW	RCA	6	7.50
JAN-CG-6Y6GT	Black coated plates, straight glass shape	NOS	GE	15	6.50
6Z31	Octal base	NOS	RSD	4	3.50
6Z31	7 pin mini socket	NOS	RSD	4	3.50
631-P1		NEW	General Radio	2	19.50
647	Made by Raytheon for Hewlett Packard, very nice and strong double triode, black plates, triple mica	NEW	HP	4	22.50
6005	Power pentode		See EL90
CV3986 / 6021	Subminiature double triode. Equivalent to ECC70. Untested, but guaranteed, in original case	NOS	???	160	12.50
JAN 6021W	Subminiature double triode. Equivalent to ECC70. Untested, but guaranteed, in original case	NOS	Sylvania	80	12.50
6057	Premium grade ECC83/12AX7		Take a look here!
6060	Premium grade ECC81/12AT7		Take a look here!
6067	Premium grade ECC82/12AU7		Take a look here!
JG-6072	Black plates, triple mica, D-getter, Picture	NEW	GE	1	22.00
JG-6072	Black plates, triple mica, O-getter, Picture	NEW	GE	1	19.00
6072A-EHG	Gold version, gold plated pins	NNP	Electro-Harmonix	4 single 10 pairs	16.50 37.50(pair)
6084 / E80F	Long life gold pinned pentode. Makes an excellent 1-on-1 replacement for the EF86. Many people use them in their Quad II amps for great sound!		See E80F
6085 / E80CC	Gold pinned, pinched waist, etc		See E80CC
6098 / 6AR6WA	Very high quality penthode. 6L6GC variety, alo very much alike 6384, different pinout. Very nice sound for good prices	NOS	Tung-Sol Picture	2 single 2 pairs 2 quads	16.50 36.50 (pair) 80.00 (quad)
6111WA	Subminiature double triode	NOS	Sylvania	10	9.50
6146A	20 watt steel based pentode	NEW	Sylvania	2	15.00
6146A	20 watt steel based pentode	NEW	Tung-Sol	2	15.00
6155	Hf power tetrode		See QB3/300
6159W	20 watt steel based pentode	NOS	RCA	2	15.00
USN CRC 6159	20 watt steel based pentode	NOS	RCA	1	12.50
6188	Special audio version of the 6SL7GT, great sound!		Take a look here!
6189	Premium grade ECC82/12AU7		Take a look here!
6201	Premium grade ECC81/12AT7		Take a look here!
6203	O-getter, black plates	NEW	GE *****	1	8.00
6211A	Rounded 17 mm plates, side getter	NOS	GE ***** Picture	5 single 40 pair	20.00 50.00 (pair)
6211	Rounded 17 mm plates	NOS	RCA	2 single 1 pair	20.00 50.00 (pair)
6227 / E80L	Long life, gold pinned 8 watt pentode		See E80L
6267	Low noise pre-amplifier pentode		See EF86
6336A	High current double triode, steel base, graphite anodes	NOS	Tung-Sol	1	35.00
6350	Black plates, D-getter, great in VTL and Manley amplifiers	NOS	Sylvania picture	5 single 20 pairs	23.50 54.00 (pair)
JAN 6384	Very high quality penthode. Ceramic supports, bendix type, super long life 6L6 alike tube. Five tubes testing 74, 76, 80, 82 and 88 mA (matched quad + 1)	NOS	Tung-Sol Picture	1 quintet	180.00(5 pcs)
6384	Very high quality penthode. Ceramic supports, bendix type, super long life 6L6 alike tube. Green text on base	NOS	Tung-Sol Picture (alike)	1	32.00
6384	Very high quality penthode. Ceramic supports, bendix type, super long life 6L6 alike tube	NOS	Electronic Enterprises Inc. Picture (alike)	2 single 1 pair	30.00 68.00 (pair)
6397	Subminiture tube. sold as is	NOS	Philips	1	12.50
6418	Low voltage subminiature pentode	NOS	Raytheon	20	4.50
JAN-6442	High mu planer triode. Cannot test it, state unknow, sold as is	NEW?	GE	1	9.50
6550-EH	6550EH, metal base	NNP	Electro-Harmonix	4 pairs 6 quads	48.00 (pair) 99.00(quad)
6679	Portable version of the ECC81/12AT7		Take a look here!
6688	Goldpinned pentode		See E180F
6689	Long life low noise gold pinned pentode. Used in the famous V76 tube microphone preamplifier.		See E83F
JAN 6814	Subminiature triode. Untested, but guaranteed, in original case	NOS	Raytheon	190	7.50
6922	Premium version of the ECC88/6DJ8		Take a look here!