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![]() ![]() ![]() ![]() ![]() ![]() | US / EIA / JAN Vacuum tubes + links: 7A4 to 9999 | ![]() ![]() ![]() ![]() ![]() ![]() |
Welcome To Sphere Research's Canadian Test Equipment & Parts Site! | ||||
![]() Click REFRESH on your browser if pages seem unchanged ![]() Everything from Quotes and SciFi to Ethics & Business. ![]() ![]() ![]() | ![]() Please Note: All Prices are in US$ |
Sphere Research Corporation 3394 Sunnyside Rd. West Kelowna, BC, Canada V1Z 2V4 Phone: +1 (250) 769-1834 A great source for test equipment, repairs, calibrations, useful metrology information, and of course, SLIDE RULES! Just ![]() |
![]() ![]() Parts by the Foot! |
Now OPEN, our ![]() Literally millions of parts available at great prices! |
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I'm in a HURRY! Show me all the: | ![]() |
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US/EIA/JAN VACUUM TUBES ![]() ![]() ![]() US/EIA/JAN VACUUM TUBES ![]() ![]() You can order anything here just by picking up the phone, and calling (250) 769-1834 during normal office hours, 8:30AM to 4:30PM PST, OR, Email your order to Susan ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Don't forget these illustrated sections take a few seconds to load, but they are worth the wait!
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![]() TUBES |
![]() NEED CRTs or Nixies? CLICK HERE! MOST ARE NEW TUBES IN FRESH LOOKING BOXES, marked ![]() ![]() ![]() ![]() ![]() NOTE: European LETTER TUBES arranged in alphabetical order, JEDEC/EIA/USA tubes in numerical order. |
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Can't find the tubes you wanted here? CLICK HERE to see European / Alphabetic Tubes | ![]() ![]() |
Can't find the tubes you wanted here? CLICK HERE to see Western Electric / Northern Electric Tubes |
Tube Circuit Parts![]() CLICK to see! |
We now have a wide range of higher voltage film and electrolytic capacitors, perfect for tube circuits! These are getting very hard to find, here is big stock of new parts, perfect for building your own amps from scratch, for guitar amp repairs, or general higher voltage use. |
Our tube listings are now so BIG, they are split for quicker loading! | |
IMPORTANT, For faster loading: This other page is only for US/EIA/JAN tubes from 0A2 to 6Z4 ![]() |
IMPORTANT, For faster loading: This page is only for US/EIA/JAN tubes from 7A4 to 9999 ![]() |
MANUFACTURER / NOTES | |||
![]() 7A4 |
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![]() 7C5 |
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![]() 7C5 |
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![]() (CM)8-364 |
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$10/10 |
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![]() 10F1 |
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![]() 12AU7A/ECC82 |
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![]() CLICK for bigger PIC! Tung-Sol 12AX7 |
Popular Audio Tubes!![]() ![]() ![]() Popular audio dual triode, new factory boxed tubes. The re-issue Tung-Sol tubes made in Russia under licence use the same outstanding design and materials as the original US Tung-Sol tubes. They have double top and bottom pin-point micas, large halo getters with silver tops, and over-sized black plates. The Ultimate 12AX7 current production tube. Big, warm, and musical. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. Outstanding build quality, you will be simply amazed when you hold these next to chinese tubes! Yes, we will match gm on pairs to within 10% tube-to-tube and side-to-side, for a $10 charge. Current distributor stock. Every tube checked prior to shipment! |
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![]() CLICK for bigger PIC! Electro-Harmonix 12AX7EH |
Popular Audio Tubes!![]() ![]() ![]() Popular audio dual triode, new factory boxed tubes. These Russian made tubes have excellent construction and outstanding sound. They have double top and bottom micas, small halo getters with silver tops, and over-sized black plates. The 12AX7EH provides high gain with ultra low noise and detailed, musical tone that rivals the most desirable NOS classic types. Unique spiral filament eliminates filament to cathode induced hum common on amps that use AC on the filaments, and can make an immediate audible difference in many amps. Yes, we will match gm on pairs to within 10% tube-to-tube and side-to-side, for a $10 charge. Current distributor stock. See also 7025 for mil version. Every tube checked prior to shipment! |
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![]() CLICK for bigger PIC! Sovtek 12AX7WA / 7025 |
Popular Audio Tubes!![]() ![]() ![]() Popular audio dual triode, new factory boxed tubes, dual marked. Well made tubes, with top saucer getters, double bottom micas and black plates. This Russian made tube has strong lows and bright highs. World-renowned for its smooth, well-rounded tone. This ultra low microphonic tube is used by Fender, Ampeg, Carvin, and Hartke, among others. Yes, we will match pairs to within 10% tube-to-tube and side-to-side, for a $10 charge. Current distributor stock. Every tube checked prior to shipment! |
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Popular Audio Tubes!![]() Popular audio dual triode, USED TUBES in good physical condition, fully tested. These have accumulated here for a while, we often get asked for a good used tube, here they are. No choice, strictly random, everything from GE to Groove Tube.Every tube checked prior to shipment! |
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![]() ![]() Popular Driver tube.Tested. |
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![]() ![]() Popular Driver tube, all new factory boxed, your choice.Tested. |
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![]() ![]() ![]() Just arrived, hard to find! |
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![]() JAN 12SH7 |
![]() ![]() ![]() Just arrived, very hard to find! |
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![]() 13-3H |
![]() ![]() ![]() Just arrived, hard to find! |
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![]() 13CW4 Nuvistors |
![]() ![]() ![]() ![]() NUVISTORS, brand new, Factory boxed. Some external surface discoloration on tubes from long storage. Tested, excellent. Hi-mu Triode. |
MANUFACTURER / NOTES | |||
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15A6 PL83 |
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![]() 20P5 |
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![]() 25L6GT / 25W6GT |
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![]() 30F5 PF818 |
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![]() 30FL2 |
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![]() 30L15 PCC805 |
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![]() 30L17 |
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![]() 30P12 PL801 |
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![]() 30PL13 |
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![]() 30PL13 PCL800 |
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![]() 30PL14 PCL88 |
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![]() 30P19 |
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![]() 35L6GT |
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MANUFACTURER / NOTES | |||
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![]() CLICK for bigger PIC! HP-45 |
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![]() 50L6GT EXPORT |
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![]() JAN CEQ 72 |
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![]() JAN 83 |
![]() ![]() ![]() Just arrived, hard to find, used in most Hickock Tube Testers! Fully tested, note these are mercury filled, and have visible residue inside the glass, this is supposed to be there! |
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![]() 108C1 |
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![]() ![]() ![]() Just arrived, hard to find! Heater: Pins 2 and 3 Contacts: Pins 5 and 7 |
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![]() ![]() ![]() Just arrived, hard to find! Heater: Pins 1 and 6 Contacts: Pins 3/4 and 8/9 |
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![]() ![]() ![]() Just arrived, hard to find! Heater: Pins 1 and 6 Contacts: Pins 3/4 and 8/9 |
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![]() ![]() ![]() Just arrived, hard to find! Heater: Pins 1 and 6 Contacts: Pins 3/4 and 8/9 |
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![]() ![]() ![]() Just arrived, hard to find! Heater: Pins 2 and 3 Contacts: Pins 5 and 7 |
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![]() ![]() ![]() Just arrived, hard to find! Heater: Pins 1 and 6 Contacts: Pins 3/4 and 8/9 |
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![]() 396A / 2C51 |
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![]() $29 each |
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![]() $29 ea. |
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![]() NL-710L / 7509A |
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![]() CLICK for bigger PIC! 715C |
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![]() 724B |
![]() ![]() ![]() Peculiar shaped tube, with 2 circular side flanges (gold plated) and a cap on one end. Looks like a spark gap inside, but is a T/R switch for early radar systems and microwave transceivers. Fascinating to look at. New MIL-boxed, wrapped in no-tarnish silver paper. |
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![]() 807 |
![]() ![]() ![]() ![]() RF/Audio Beam Power Pentode tubes, new factory boxed. Made in UK, USSR, India, USA. Just arrived, essentially an uprated 6L6GC with plate cap. |
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![]() 807 |
![]() ![]() ![]() UNITED RF/Audio Beam Power Pentode tubes, new factory boxed. Made in Great Britain. Essentially an uprated 6L6GC with plate cap. |
MANUFACTURER / NOTES | |||
![]() 811 |
![]() ![]() Just arrived, hard to find! |
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![]() ![]() ![]() ![]() ![]() RCA Transmitting/Amplifier tube, high powered Triode. Popular in some high end audio amplifiers. New, factory boxed tube. Just arrived, hard to find! |
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![]() 811A CV628 |
![]() ![]() Just arrived, hard to find! |
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![]() 812 |
![]() ![]() Just arrived, hard to find! |
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![]() 829B |
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1 RCA (JAN) |
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![]() ![]() ![]() CETRON New half-wave high vacuum rectifiers. Reboxed. |
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![]() 837 |
![]() ![]() ![]() RF-Osc/Amp Power tubes, new factory boxed. |
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![]() 837 |
![]() ![]() ![]() RF/Audio Power tubes, new factory boxed. |
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![]() 872A |
![]() ![]() ![]() Very high power/high voltage mercury vapor rectifiers, new factory boxed. |
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![]() 954 |
![]() ![]() ![]() New, reboxed. Just arrived! |
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![]() 1236C |
![]() ![]() ![]() New, factory boxed. Just arrived! |
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![]() 1625 / VT-136 |
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![]() 2050A |
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![]() 2050F |
ORION![]() ![]() |
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![]() ![]() Just arrived, hard to find! |
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![]() 5642 |
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![]() 5642 |
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MANUFACTURER / NOTES | |||
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![]() 5663 |
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5670 (2C51/396A/CV4013) |
![]() ![]() ![]() Premium, ruggedized (low microphonics), long life medium-mu dual triode (with internal shield at pin 5), 2C51/396A equivalent. GE Factory boxed new audio tubes, beautiful silver topped, large halo getter. Made in USA, exceptionally nice internal construction, capable of VHF operation. Very hard to find, also avaiable from other makers as noted below. All from same production batch. PDF 5670 Tube data ![]() |
![]() $35 each |
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![]() 5670 (2C51/396A/CV4013) |
![]() ![]() ![]() Premium, ruggedized (low microphonics), long life medium-mu dual triode (with internal shield at pin 5), 2C51/396A equivalent. Factory boxed new audio tubes, beautiful silver topped, large halo getter. Made in USA, exceptionally nice internal construction, capable of VHF operation. Very hard to find. PDF 5670 Tube data ![]() |
![]() $35 each |
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![]() JAN 5670 (2C51/396A/CV4013) |
![]() ![]() ![]() JAN Premium, ruggedized (low microphonics), long life medium-mu dual triode (with internal shield at pin 5), 2C51/396A/CV4013 equivalent. Mil-boxed new audio tubes, beautiful silver topped, large halo getter. Made in USA, exceptionally nice internal construction, capable of VHF operation. Very hard to find. PDF 5670 Tube data ![]() |
![]() $39 each |
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![]() JAN 5670W (2C51/396A/CV4013) |
![]() ![]() ![]() JAN Premium, ruggedized (low microphonics), long life medium-mu dual triode (with internal shield at pin 5), 2C51/396A/CV4013 equivalent. Mil-boxed new audio tubes, beautiful silver topped, large halo getter. Made in USA, exceptionally nice internal construction, capable of VHF operation. Very hard to find, late production. PDF 5670 Tube data ![]() |
![]() $39 each |
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![]() 5675 |
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C3JA - C3J/A ![]() |
HYTRON![]() ![]() |
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![]() CK 5686 |
![]() ![]() ![]() New, factory boxed, VHF beam pentode, 2.7W output at 160Mhz. |
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![]() JAN 5763 |
![]() ![]() New, MIL boxed. Beam Power Tetrode, hard to find. |
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![]() 5814A |
![]() ![]() ![]() Popular audio dual triode, late production, factory boxed, black plate/halo getter. Premium audio tube, made in USA. |
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![]() ![]() ![]() Popular audio dual triode, high quality mil/JAN selection, green printing, halo getter. Premium audio tube, white mil boxed, made in USA. |
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![]() ![]() ![]() Popular audio dual triode, ruggedized version, factory new boxed tubes, made in USA. Premium audio tube. |
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![]() ![]() ![]() Cold cathode trigger tube, sim. to CV5122. |
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![]() JAN 5842 417A / CV 3789 |
![]() ![]() ![]() Popular audio low noise triode, same as classic Western Electric 417A and CV3789, high quality mil selection. New, Mil-boxed. Premium audio tube, beautifully made. |
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![]() Heinz and Kaufman 5861 CV273 |
![]() ![]() ![]() European miniature tubes New factory boxed, same as CV273, untested. Just arrived! |
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![]() 5881 |
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![]() 5881 |
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![]() CLICK for bigger PIC! 6n3C-E OTK / 5881 6pi3C-E 6P3S-E |
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$65 Pair |
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![]() JAN 5894 |
![]() ![]() ![]() Twin Beam Power UHF Tube, factory boxed. Just arrived! Can deliver up to 70 Watts of power, very nice design. Also have some non-JAN Westinghouse and Rogers tubes, $49 each. |
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![]() ![]() ![]() Minaiture HF twin diode detector. |
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![]() 5920 |
![]() ![]() ![]() European premium SQ (special Quality) signal tubes, made in Holland. All tested good! New, reboxed. Just arrived! |
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![]() CLICK for bigger PIC! JAN CHS 5931 |
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MANUFACTURER / NOTES | |||
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![]() 6014 /NL-C1K |
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![]() 6074 |
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![]() 6080 |
![]() ![]() ![]() Just arrived! Tested, excellent. |
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![]() 6087/USN 5Y3WGTB |
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CV 2699 |
![]() ![]() ![]() subminiature tubes, with flying leads, high quality mil selection. White mil boxed. 1981 date codes. |
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![]() GB 6135 (EC90) |
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![]() 6136 |
![]() ![]() ![]() New factory boxed, ruggedized 6AU6WB. |
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![]() JAN 6146W |
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6202 6X4WA |
![]() ![]() ![]() Made in USA, National factory boxed. High reliability rectifier. All tested good! New Just arrived! |
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![]() 6211 |
![]() ![]() ![]() Dual triode, factory boxed. Just arrived! |
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![]() 6227 E80L |
![]() ![]() ![]() European premium SQ (special Quality) signal tubes, made in Holland. 10K hour tubes with gold pins, Power Pentode. All tested good! New factory boxed. Just arrived! Additional Westinghouse tubes, same origin. |
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![]() 6227 E80L |
![]() ![]() ![]() European premium SQ (special Quality) signal tubes, made in Holland, marked Sylvania. Power Pentode. All tested good! New factory boxed. Just arrived! |
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![]() JAN 6264A |
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![]() CLICK for bigger PIC! JAN 6336B |
![]() ![]() ![]() Just arrived! |
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![]() 6360 |
![]() ![]() ![]() Compact RF Power tube, very popular. Imported tubes, made in UK. Fully tested, including LIFE test. |
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![]() 6360A |
![]() ![]() ![]() ![]() ![]() Compact RF Power tube, very popular. Imported tubes, branded RCA, also some new Tektronix selected tubes. Fully tested, including LIFE test. Also 7 ea. Philips, 10ea. Sylvania, and 2 ea. GE. |
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![]() 6360A |
![]() ![]() Compact RF Power tube, very popular. Imported tubes, made in UK. Fully tested, including LIFE test. |
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![]() 6360A |
![]() ![]() Compact RF Power tube, very popular. Imported tubes, made in UK, marked Westinghouse. Fully tested, including LIFE test. |
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![]() ![]() 6485 G-73U |
![]() ![]() ![]() Pentode, for wideband/IF applications, premium 6AH6. These are aged, selected tubes for HP test equipment. Also marked G-73U on the box, but not on the tube. |
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![]() CLICK for bigger PIC! CK6528 6528 |
![]() ![]() ![]() Ruggedized, large glass octal with metal base, high power medium mu dual triodes. 400V/40W plate dissipation, very hard to find. |
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![]() CLICK for bigger PIC! JAN 6528A |
![]() ![]() Ruggedized, large glass octal with metal base, high power medium mu dual triodes. 400V/40W plate dissipation, very hard to find. 76/77 date codes, well matched side to side, and tube to tube, perfect on life test as well as normal operation. |
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![]() 6661 |
![]() ![]() ![]() Just arrived! |
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E81L |
![]() ![]() ![]() European premium SQ (special Quality) signal tubes with GOLD PINS, made in Holland. All tested good! New in factory Boxes! Just arrived! |
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![]() 6687 |
![]() ![]() European premium SQ (special Quality) signal tubes, made in Holland. All tested good! New, reboxed. Just arrived! |
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![]() 6688 E180F |
![]() ![]() European premium SQ (special Quality) signal tubes, GOLD PINS, made in Holland. High vibration/reliability rated miniature pentode. All tested good! New, reboxed. Just arrived! |
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6688 E180F |
![]() ![]() ![]() Made in England, GOLD PINS, National factory boxed. High vibration/reliability rated miniature pentode. All tested good! New Just arrived! |
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6688 E180F |
![]() ![]() Made in England, GOLD PINS, National factory boxed. High vibration/reliability rated miniature pentode. All tested good! Used, tested Just arrived! |
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6688 E180F |
![]() Made in England, GOLD PINS, National factory boxed. High vibration/reliability rated miniature pentode. All tested good! Used, tested Just arrived! |
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![]() 6689 / E83F |
![]() ![]() ![]() New, factory boxed premium audio pentode, dual marked 6689/E83F. European premium SQ (Special Quality) signal tubes (10,000 hour life), GOLD PINS, made in Holland. Just arrived! |
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![]() 6761 |
![]() ![]() ![]() New, factory boxed premium audio pentode, 10W, 6.3V fil., very hard to find! European premium tube, made in Sweden. Just arrived! 4 are from the same lot, and should match very well, one is from a different batch. |
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![]() 6883 |
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![]() 6883B / 8032A / 8552 |
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![]() 6883B / 8032A / 8552 |
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![]() 6907 |
![]() RF Transmitting tube, gold pins, made in Holland. New, bulk stock, reboxed. |
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![]() JAN 6922 (E88CC/6DJ8) |
![]() ![]() Just arrived, very hard to find! |
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![]() CLICK for bigger PIC! NL-6989NE |
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MANUFACTURER / NOTES | |||
![]() CLICK for bigger PIC! Electro-Harmonix 7025EH |
Popular Audio Tubes!![]() ![]() ![]() Popular audio dual triode, new factory boxed tubes. These Russian made tubes have excellent construction and outstanding sound, they are the premium mil version of the 12AX7. They have double top and bottom micas, small halo getters with silver tops, and over-sized black plates. The 7025EH provides high gain with ultra low noise and detailed, musical tone that rivals the most desirable NOS classic types. Unique spiral filament eliminates filament to cathode induced hum common on amps that use AC on the filaments, and can make an immediate audible difference in many amps. Yes, we will match gm on pairs to within 10% tube-to-tube and side-to-side, for a $10 charge. Current distributor stock. See also 12AX7EH for civil version. Every tube checked prior to shipment! |
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![]() CLICK for bigger PIC! 7034 / 4X150A |
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![]() ![]() ![]() ![]() AF/RF Power Pentode Tubes (good to 40Mhz, 5W plate dissipation), new in the factory box. 8077 is the same tube, with a shorter envelope. |
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![]() JAN 7077 |
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( E182CC ) |
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![]() CLICK for bigger PIC! 7203 / 4CX250B |
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![]() 7234 |
NU National Union![]() ![]() |
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E84L |
![]() ![]() ![]() Premium signal tubes, AF Power Pentode, made in England. New factory boxed. Just arrived! |
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![]() 7509A / NL-710L |
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![]() CLICK for bigger PIC! 7534 / E130L |
![]() ![]() ![]() Popular High Power Pentode. Hard to find. |
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![]() 7586 Nuvistors |
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7586 Nuvistors HP 1921-0017 |
![]() ![]() ![]() ![]() NUVISTORS, new, HP-bagged, look perfect. Also marked HP 1921-0017. |
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![]() 7586 Nuvistors |
![]() ![]() ![]() ![]() NUVISTORS, brand new, Factory boxed and still in sealed bags, and new bulk stock. |
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![]() 7587 Nuvistors |
![]() ![]() ![]() ![]() ![]() Just arrived! Tested, excellent. |
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![]() ![]() ![]() Just arrived! Tested, excellent. |
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![]() ![]() CLICK for bigger PIC! ![]() 7615 NI-63 |
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![]() 7717 / 6CY5 |
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![]() 7734 1933-0005 |
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![]() 7895 Nuvistor |
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MANUFACTURER / NOTES | |||
![]() 7984 |
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![]() 7984 |
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![]() 7984 |
![]() ![]() ![]() Hard to find! New factory boxed. |
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MOTOROLA![]() |
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![]() NL 8042 |
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![]() 8058 Nuvistor |
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7054/8077 |
![]() ![]() ![]() AF/RF Power Pentode tubes, new in the factory box. |
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Tek 154-0367-00 |
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![]() 8203 Nuvistors |
![]() ![]() ![]() ![]() NUVISTORS, new, MIL-boxed, look perfect. Tested, excellent. |
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![]() ![]() ![]() ![]() NUVISTORS, new, factory-boxed, look perfect. Tested, excellent. |
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![]() ![]() ![]() ![]() NUVISTORS, mixed new and possibly pulls from Tek service stock, look very good, all test as new. Hard to find, this is a medium-mu triode with a 13.5V filament. |
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![]() JAN 8532W (6J4/WA) |
![]() ![]() ![]() ![]() Mil premium, ruggedized signal tubes, made in USA. Low microphonic high performance triode, widely used in 'Darling' style tube amplifiers. Halo getter with silver tops, extra-thich micas, extra internal shields. Very well constucted tubes. New MIL boxed, both makers are identical. Just arrived! |
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![]() 8561 / 4CX300Y |
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![]() 8627 Nuvistor |
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![]() 9001 |
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LOTS MORE TUBES TO COME ! | |||
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USEFUL VACUUM TUBE SITES | |
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Frank's tube info search site. Vast index of tube data of all kinds, INCLUDING NIXIES, CRTs and PMTs! | |
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Duncan Amp's tube info search site. | |
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Åke's Tube Site |
Our tube listings are now so BIG, they are split for quicker loading! | |
IMPORTANT, For faster loading: This other page is only for US/EIA/JAN tubes from 0A2 to 6Z4 ![]() |
IMPORTANT, For faster loading: This page is only for US/EIA/JAN tubes from 7A4 to 9999 ![]() |
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Can't find the tubes you wanted here? CLICK HERE to see European / Alphabetic Tubes | ![]() ![]() |
Can't find the tubes you wanted here? CLICK HERE to see Western Electric / Northern Electric Tubes |
IMPORTANT ! Graphical logos and trademarks are the property of their respective owners, including Tektronix, Fluke, RCA, TI, GE, General Radio and Hewlett Packard, and are used here merely to unambiguously identify the products. Sphere Research IS NOT a factory authorized distributor for any of the product lines indicated. | ![]()
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