Tubes
Testers
Companies
Submit
About

Tube Database (7,341 tube types · 1,270 archive entries)

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)

Disclaimer Submit a tube

Tube record

6681, 12AX7

Brand: Sylvania

Pinched Tip

Country: USA
Getter: O-Getter Plate
Glass Color: Clear Glass
Archive ID: ieiqo7rm
Plate Color: Matte Gray
Tip Shape: Pinched Tip

More tubes branded Sylvania

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 14
EL34, XF2
Maker
Mullard
Brand
Sylvania
6681
Maker
Marconi Radiotron
Brand
Sylvania
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 3
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 3
6SN7GTB
Brand
Sylvania
6SN7GT
Brand
Sylvania
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 4
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 2
6SN7GTB
Brand
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 2
12BZ7
Brand
Sylvania
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 4

More 6681 type tubes

6681
Maker
Marconi Radiotron
Brand
Sylvania
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 2
6681
Maker
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 3
Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 3

5R4GY

Maker: RCA
Brand: Sylvania

GZ34, 5AR4, F32

Maker: Mullard
Brand: Sylvania

807

Brand: Sylvania

12AX7WA

Brand: Sylvania

General Electric

Brand

6681

Brand: Marconi Radiotron

6681

Brand: Volterex

Equivalent and related tube numbers

Commonly cross-referenced designations for 12AX7. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.

7025
B339
CV4004
CV492
ECC83
M8137

More 12AX7 type tubes

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.
Photo 1 of 5

12AX7, I65

Brand: Electrohome

RCA 12AX7 tube — photo 1 of 3

RCA 12AX7 tube — photo 2 of 3

RCA 12AX7 tube — photo 3 of 3

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

Photo 1 of 3

12AX7

Brand: RCA

Hammond 12AX7, ECC83 tube - Philips — photo 1 of 7

Hammond 12AX7, ECC83 tube - Philips — photo 2 of 7

Hammond 12AX7, ECC83 tube - Philips — photo 3 of 7

Hammond 12AX7, ECC83 tube - Philips — photo 4 of 7

Hammond 12AX7, ECC83 tube - Philips — photo 5 of 7

Hammond 12AX7, ECC83 tube - Philips — photo 6 of 7

Hammond 12AX7, ECC83 tube - Philips — photo 7 of 7

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

Photo 1 of 7

12AX7, ECC83

Maker: Philips
Brand: Hammond

Heintz & Kaufman, Gammatron 12AX7 tube — photo 1 of 3

Heintz & Kaufman, Gammatron 12AX7 tube — photo 2 of 3

Heintz & Kaufman, Gammatron 12AX7 tube — photo 3 of 3

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

Photo 1 of 3

12AX7

Brand: Heintz & Kaufman, Gammatron

Tungsram ECC83, 12AX7, MC0 tube - Siemens — photo 1 of 2

Tungsram ECC83, 12AX7, MC0 tube - Siemens — photo 2 of 2

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

Photo 1 of 2

ECC83, 12AX7, MC0

Maker: Siemens
Brand: Tungsram

Rad Tel 12AX7 tube - Sylvania — photo 1 of 6

Rad Tel 12AX7 tube - Sylvania — photo 2 of 6

Rad Tel 12AX7 tube - Sylvania — photo 3 of 6

Rad Tel 12AX7 tube - Sylvania — photo 4 of 6

Rad Tel 12AX7 tube - Sylvania — photo 5 of 6

Rad Tel 12AX7 tube - Sylvania — photo 6 of 6

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

Photo 1 of 6

12AX7

Maker: Sylvania
Brand: Rad Tel

Ge 12AX7 tube — photo 1 of 2

Ge 12AX7 tube — photo 2 of 2

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

Photo 1 of 2

12AX7

Brand: Ge

Mullard ECC83, 12AX7, I63 tube — photo 1 of 20

Mullard ECC83, 12AX7, I63 tube — photo 2 of 20

Mullard ECC83, 12AX7, I63 tube — photo 3 of 20

Mullard ECC83, 12AX7, I63 tube — photo 4 of 20

Mullard ECC83, 12AX7, I63 tube — photo 5 of 20

Mullard ECC83, 12AX7, I63 tube — photo 6 of 20

Mullard ECC83, 12AX7, I63 tube — photo 7 of 20

Mullard ECC83, 12AX7, I63 tube — photo 8 of 20

Mullard ECC83, 12AX7, I63 tube — photo 9 of 20

Mullard ECC83, 12AX7, I63 tube — photo 10 of 20

Mullard ECC83, 12AX7, I63 tube — photo 11 of 20

Mullard ECC83, 12AX7, I63 tube — photo 12 of 20

Mullard ECC83, 12AX7, I63 tube — photo 13 of 20

Mullard ECC83, 12AX7, I63 tube — photo 14 of 20

Mullard ECC83, 12AX7, I63 tube — photo 15 of 20

Mullard ECC83, 12AX7, I63 tube — photo 16 of 20

Mullard ECC83, 12AX7, I63 tube — photo 17 of 20

Mullard ECC83, 12AX7, I63 tube — photo 18 of 20

Mullard ECC83, 12AX7, I63 tube — photo 19 of 20

Mullard ECC83, 12AX7, I63 tube — photo 20 of 20

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

Photo 1 of 20

ECC83, 12AX7, I63

Brand: Mullard

General Electric 12AX7 tube — photo 1 of 6

General Electric 12AX7 tube — photo 2 of 6

General Electric 12AX7 tube — photo 3 of 6

General Electric 12AX7 tube — photo 4 of 6

General Electric 12AX7 tube — photo 5 of 6

General Electric 12AX7 tube — photo 6 of 6

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

Photo 1 of 6

12AX7

Brand: General Electric

NU 12AX7 tube — photo 1 of 6

NU 12AX7 tube — photo 2 of 6

NU 12AX7 tube — photo 3 of 6

NU 12AX7 tube — photo 4 of 6

NU 12AX7 tube — photo 5 of 6

NU 12AX7 tube — photo 6 of 6

Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

Photo 1 of 6

12AX7

Brand: NU