Tubes starting with 12
Manufacture Model Number Quantity Condition
WESTINGHOUSE 121A 1  
RCA 125L7GT 2 NEW
DUMONT 125N7GTA 5 NEW
RCA 125Q7GT 2 NEW
DUMONT 125Q7GTA 5 NEW
  1273 1  
  1273 1  
RCA 12A135 1  
KEN-RAD 12A6 1 NEW
JAN-CKR 12A6 4 NEW
  12A6 1 NEW
GE 12A7 1 NEW
TUNG-SOL 12AB5 1 NEW
GE 12AB5 2  
TUNG-SOL 12AB5 4 NEW
RCA 12AB5 3  
RCA 12AB5 1 NEW
RCA 12AB5 4 NEW
DUMONT 12AB5 2  
DUMONT 12AC10 1 NEW
  12AC10A 1  
TUNG-SOL 12AC6 23 NEW
TUNG-SOL 12AC6 1 NEW
DUMONT/SYL 12AD6 6  
TUNG-SOL 12AD6 1 NEW
TUNG-SOL 12AD6 23 NEW
GE 12AD7 0 NEW
GE 12AE10 1 NEW
DUMONT 12AE10 3 NEW
GE 12AE10 1  
TUNG-SOL 12AE6 1 NEW
TUNG-SOL 12AE6 4 NEW
  12AE6A 1  
TUNG-SOL 12AF3 6 NEW
DUMONT 12AF3 5 NEW
  12AF3 1  
  12AF3 1  
MOT 12AF3 1  
TUNG-SOL 12AF3 1 NEW
DUMONT/SYL 12AF6 9  
TUNG-SOL 12AF6 1 NEW
TUNG-SOL 12AF6 9 NEW
DUMONT 12AF6 6 NEW
DUMONT 12AF6 1  
  12AH7GT 1 NEW
  12AH7GT 1  
TUNG-SOL 12AJ6 1 NEW
TUNG-SOL 12AJ6 1 NEW
TUNG-SOL 12AJ6 15 NEW
DUMONT 12AL11 1 NEW
TUNG-SOL 12AL11 1 NEW
DUMONT 12AL11 1 NEW
TUNG-SOL 12AL11 1 NEW
TUNG-SOL 12AL11 5 NEW
  12AL11 1  
  12AL11 1  
TUNG-SOL 12AL11 1 NEW
  12AL5 1  
WESTINGHOUSE 12AL5 5 NEW
RCA 12AL5 3  
DUMONT 12AL5 4 NEW
TUNG-SOL 12AL8 14 NEW
TUNG-SOL 12AL8 1 NEW
  12AL8 1  
SYLVANIA 12AQ5 1  
TUNG-SOL 12AQ5 5 NEW
  12AQ5 3  
GE 12AT6 1 NEW
  12AT6 0  
TUNG-SOL 12AT6 5 NEW
SYLVANIA 12AT6 1 NEW
RCA 12AT6 3  
RCA 12AT6 0  
  12AT6 1  
SYLVANIA 12AT6 0  
TUNG-SOL 12AT6/HBC90 5 NEW
MOT 12AT7 0  
  12AT7 1  
  12AT7 1  
RCA 12AT7 0 NEW
GE/RCA 12AT7 0 USED
  12AT7 4  
MIXED USED 12AT7 0 NEW
GE 12AT7 (U) 3  
TUNG-SOL 12AT7/ECC81 1 NEW
RCA 12AT7/ECC81 16 USED
GE 12AT7A 1  
GE 12AT7WB 1  
SYLVANIA 12AU6 0  
  12AU6 0  
TUNG-SOL 12AU6 1 NEW
RCA 12AU7 1 USED
GE 12AU7 1 NEW
ARCTURUS 12AU7 1 USED
EICO 12AU7 1 USED
GE 12AU7A 3 NEW
TRIAD 12AU7A 1 NEW
TUNG-SOL 12AU7A/ECC82 29 NEW
TUNG-SOL 12AU7A/ECC82 2 NEW
  12AV5GA 1  
TUNG-SOL 12AV5GA 4 NEW
  12AV5GB 1  
TUNG-SOL 12AV6 7 NEW
  12AV6 1  
RCA 12AV6 1 NEW
SYLVANIA 12AV6 0 NEW
  12AV6 1  
  12AV7 1  
RCA 12AV7 5  
SYLVANIA 12AV7 4 NEW
GE 12AV7 3 NEW
TUNG-SOL 12AV7 5 NEW
SYLVANIA 12AV7 1  
SYL/RCA/GE 12AV7 23  
SYL/RCA 12AV7 1  
RCA/GE 12AV7 3  
RAYTHEON 12AV7 1  
RAY/SYL 12AV7 2  
GE 12AV7A 1 NEW
WEST/RCA/GE 12AW6 4  
TUNG-SOL 12AX3 3 NEW
TUNG-SOL 12AX3 1 NEW
RCA 12AX4GTA 1 NEW
RCA 12AX4GTA 1  
  12AX4GTB 1  
TUNG-SOL 12AX4GTB 1 NEW
DUMONT 12AX4GTB 6  
TUNG-SOL 12AX4GTB 1 NEW
TUNG-SOL 12AX4GTB 1 NEW
DUMONT 12AX4GTB 1 NEW
DUMONT 12AX4GTB 2 NEW
TUNG-SOL 12AX4GTB 5 NEW
DUMONT 12AX4GTBS 2  
GE 12AX7 2 USED
MULLARD 12AX7 1 USED
SYLVANIA 12AX7 1 USED
GE 12AX7A 0 NEW
RCA 12AX7A 0  
DUMONT 12AY3 3 NEW
TUNG-SOL 12AY7 9 NEW
GE 12AY7 0 NEW
RAYTHEON 12AY7 0  
RAYTHEON 12AY7 2 USED
PHILCO 12AZ7 0  
RCA/SYL 12AZ7 4 USED
SYLVANIA 12AZ7 1  
PHILCO 12AZ7 4 USED
PHILCO 12AZ7 (U) 2  
TUNG-SOL 12AZ7A 1 NEW
SYLVANIA 12AZ7A 1  
RCA 12AZ7A 0  
TUNG-SOL 12B4A 1 NEW
TUNG-SOL 12B4A 1 NEW
RCA 12B4A 2 NEW
TUNG-SOL 12B4A 5 NEW
GE 12B4A 1 NEW
  12B4A 0  
RCA 12B77 1  
GE/SYL/RCA 12BA6 0  
  12BA6 0 NEW
  12BA7 1  
TUNG-SOL 12BA7 4 NEW
RCA 12BA7 5  
RCA 12BA7 1 NEW
TUNG-SOL 12BA7 1 NEW
GE 12BA7 1 NEW
TUNG-SOL 12BD6 1 NEW
TUNG-SOL 12BD6 5 NEW
TUNG-SOL 12BD6 3 NEW
DUMONT 12BE3 4  
DUMONT 12BE3 5 NEW
TUNG-SOL 12BE3 2 NEW
  12BE6 1  
GE 12BE6 0  
  12BE6 0  
  12BE6 0  
GE 12BF11 2 NEW
RCA 12BF6 1 NEW
TUNG-SOL 12BF6 9 NEW
NATIONAL UNION 12BH7 1  
GE 12BH7 1  
SYLVANIA 12BH7 1  
TUNG-SOL 12BH7A 1 NEW
RCA/RADCO 12BH7A 0  
TUNG-SOL 12BH7A 3 NEW
GE 12BH7A 0 USED
RCA 12BH7A 1 USED
GE 12BH7A 0 NEW
  12BH7A 0  
  12BH7A 0 USED
  12BK5 1  
  12BK5 1  
RAYTHEON 12BK5 5 NEW
GE 12BK5 1  
TUNG-SOL 12BL6 4 NEW
  12BL6 1  
GE 12BQ6GA/12CU6 1  
TUNG-SOL 12BQ6GA/12CU6 2 NEW
RAYTHEON 12BQ6GA-GTB 2  
  12BQ6GTB 1  
TUNG-SOL 12BQ6GTB/12CU6 2 NEW
RCA 12BQ6GTB/12CU6 8  
DUMONT 12BQ6GTB/12CU6 6  
TUNG-SOL 12BQ6GTB/12CU6 3 NEW
RCA 12BQ6GTB/12CU6 6  
SYLVANIA 12BQ6GTB/12CU6 1 NEW
DUMONT 12BQ6GTB/12CU6 5 NEW
GE/RCA 12BQGTB/12CU6 2  
TUNG-SOL 12BR7 3 NEW
RCA 12BR7 1 NEW
  12BR7 1  
TUNG-SOL 12BR7 1 NEW
SYLVANIA 12BT3 1 NEW
TUNG-SOL 12BV7 1 NEW
TUNG-SOL 12BV7 1 NEW
DUMONT 12BW4 5 NEW
TUNG-SOL 12BW4 4 NEW
DUMONT/RCA 12BW4 5  
TUNG-SOL 12BW4 1 NEW
PHILCO 12BY7 0  
  12BY7A 1  
RCA 12BY7A 1 NEW
GE 12BY7A 7 NEW
TUNG-SOL 12BZ6 3 NEW
TUNG-SOL 12BZ6 1 NEW
TUNG-SOL 12BZ7 1 NEW
TUNG-SOL 12BZ7 5 NEW
DUMONT 12BZ7 1  
SYLVANIA 12BZ7 1  
STAN 12BZ7 0  
PHILCO 12C5 1  
  12C5 1  
DUMONT 12C5/12CU5 5  
TUNG-SOL 12C5/12CU5 1 NEW
DUMONT 12C5/12CU5 5 NEW
DUMONT 12C5/12CU5 1  
TUNG-SOL 12C5/12CU5 5 NEW
RCA 12CA5 1 NEW
  12CA5 1  
TUNG-SOL 12CA5 5 NEW
DUMONT 12CA5 2  
TUNG-SOL 12CA5 2 NEW
TUNG-SOL 12CA5 1 NEW
DUMONT 12CA5 5 NEW
SYLVANIA 12CB 2 NEW
RCA 12CB 1 NEW
TUNG-SOL 12CN5 5 NEW
TUNG-SOL 12CN5 1 NEW
TUNG-SOL 12CN5 1 NEW
TUNG-SOL 12CR6 10 NEW
TUNG-SOL 12CR6 1 NEW
TUNG-SOL 12CR6 1 NEW
  12CR6 1  
TUNG-SOL 12CR6 7 NEW
DUMONT 12CT3 1  
DUMONT 12CT3 5 NEW
  12CU5/12C5 1  
DUMONT 12CU5/12C5 5  
  12CU6 1  
CBS 12CU6 1 NEW
CBS 12CU6 1  
SYLVANIA 12CU6 1  
TUNG-SOL 12CX6 3 NEW
RCA 12CX6 5 NEW
TUNG-SOL 12CX6 1 NEW
RCA 12D4 4 NEW
GE 12D4 4  
  12D4 1  
GE 12D4 1 NEW
TUNG-SOL 12D4A 5 NEW
TUNG-SOL 12D4A 1 NEW
DUMONT 12D57 5 NEW
RCA 12DB5 1  
TUNG-SOL 12DB5 1 NEW
TUNG-SOL 12DB5 9 NEW
DUMONT 12DB5 4 NEW
TUNG-SOL 12DE8 1 NEW
TUNG-SOL 12DE8 12 NEW
TUNG-SOL 12DE8 1 NEW
WESTINGHOUSE 12DF7 4 NEW
TUNG-SOL 12DL8 1 NEW
TUNG-SOL 12DL8 5 NEW
TUNG-SOL 12DL8 4 NEW
TUNG-SOL 12DM4 2 NEW
TUNG-SOL 12DM4 5 NEW
TUNG-SOL 12DM4 1 NEW
PHILCO 12DQ6 1  
SYLVANIA 12DQ6B 4  
  12DQ6B 1  
  12DQ6B-12GW6 1  
TUNG-SOL 12DQ7 1 NEW
TUNG-SOL 12DQ7 4 NEW
DUMONT 12DS7 5 NEW
  12DS7 1  
DUMONT 12DS7 1 NEW
RAYTHEON 12DS7 1 NEW
TUNG-SOL 12DS7 3 NEW
TUNG-SOL 12DS7 1 NEW
  12DS7 1  
DUMONT 12DS7 5  
DUMONT 12DT5 4 NEW
TUNG-SOL 12DT5 5 NEW
TUNG-SOL 12DT5 1 NEW
TUNG-SOL 12DT5 1 NEW
TUNG-SOL 12DT8 1 NEW
  12DT8 1  
TUNG-SOL 12DU7 5 NEW
TUNG-SOL 12DU7 4 NEW
TUNG-SOL 12DU7 1 NEW
DUMONT 12DU7 1 NEW
TUNG-SOL 12DV8 7 NEW
TUNG-SOL 12DV8 1 NEW
DUMONT 12DW4A 2 NEW
DUMONT 12DW4A 1 NEW
DUMONT 12DW4A 1 NEW
TUNG-SOL 12DW7 4 NEW
TUNG-SOL 12DW7 1 NEW
TUNG-SOL 12DW7 5 NEW
TUNG-SOL 12DZ6 5 NEW
TUNG-SOL 12DZ6 1 NEW
TUNG-SOL 12DZ6 1 NEW
TUNG-SOL 12DZ6 1 NEW
TUNG-SOL 12EA6 5 NEW
TUNG-SOL 12EA6 4 NEW
TUNG-SOL 12EA6 1 NEW
TUNG-SOL 12ED5 1 NEW
TUNG-SOL 12ED5 5 NEW
DUMONT 12EE6 1 NEW
TUNG-SOL 12EG6 4 NEW
TUNG-SOL 12EG6 1 NEW
TUNG-SOL 12EG6 10 NEW
DUMONT 12EG6 2 NEW
WESTINGHOUSE 12EH5 2 NEW
TUNG-SOL 12EK6 5 NEW
TUNG-SOL 12EK6 4 NEW
TUNG-SOL 12EK6 1 NEW
TUNG-SOL 12EL6 5 NEW
TUNG-SOL 12EL6 3 NEW
DUMONT 12EL6 1 NEW
TUNG-SOL 12EL6 5 NEW
WESTINGHOUSE 12EN6 3 NEW
DUMONT 12EN6 1 NEW
  12EQ7 1  
TUNG-SOL 12EZ6 5 NEW
TUNG-SOL 12EZ6 5 NEW
TUNG-SOL 12EZ6 5 NEW
TUNG-SOL 12EZ6 3 NEW
GE 12F8 1  
TUNG-SOL 12F8 1 NEW
DUMONT 12F8 3 NEW
TUNG-SOL 12F8 3 NEW
  12F8 2 USED
TUNG-SOL 12FK6 5 NEW
TUNG-SOL 12FK6 1 NEW
TUNG-SOL 12FK6 1 NEW
TUNG-SOL 12FK6 10 NEW
TUNG-SOL 12FM6 3 NEW
TUNG-SOL 12FM6 1 NEW
  12FQ7 1  
  12FQ7 1  
TUNG-SOL 12FQ8 7 NEW
TUNG-SOL 12FQ8 1 NEW
TUNG-SOL 12FR8 1 NEW
TUNG-SOL 12FR8 1 NEW
DUMONT 12FX5 1 NEW
  12FX5 1  
  12FX5 1  
TUNG-SOL 12FX8 6 NEW
TUNG-SOL 12FX8 1 NEW
DUMONT 12GA6 3 NEW
DUMONT 12GB3 1 NEW
  12GC6 1  
TUNG-SOL 12GC6 1 NEW
TUNG-SOL 12GC6 1 NEW
TUNG-SOL 12GC6 5 NEW
  12GE5 1  
TUNG-SOL 12GN7 3 NEW
  12GN7/12HG7 1  
GE 12GN7A 1 NEW
  12GT5 1  
DUMONT 12GT5 1 NEW
TUNG-SOL 12GT5 2 NEW
RCA 12GW6/12DQ6B 1  
TUNG-SOL 12H5 1 NEW
DUMONT 12HE7 7  
DUMONT 12HE7 4 NEW
RCA 12HG7 2 NEW
GE 12HG7 2 NEW
GE 12HG7A 0 NEW
  12HL7 3  
  12HL7 5  
WESTINGHOUSE 12J5 1  
  12J5GT 1 NEW
  12J7G 1  
  12J7GT 1 NEW
TUNG-SOL 12J8 10 NEW
TUNG-SOL 12J8 1 NEW
TUNG-SOL 12J8 1 NEW
SYLVANIA 12J8 5 NEW
DUMONT 12J8 2  
DUMONT 12JN6 1  
TUNG-SOL 12JN6 1 NEW
DUMONT 12JN6 3 NEW
  12JN6 1  
  12JQ6 1  
DUMONT 12JT6A 0  
DUMONT 12JT6A 2  
TUNG-SOL 12K5 1 NEW
TUNG-SOL 12K5 9 NEW
RAYTHEON 12K7GT 1 NEW
GE 12L6 1 NEW
TUNG-SOL 12L6GT 3 NEW
TUNG-SOL 12L6GT 1 NEW
  12L6GT 2  
DUMONT 12L6GT 1 NEW
TUNG-SOL 12L6GT 1  
MOT 12L6GT 1  
  12Q7 1  
TUNG-SOL 12Q7GT 1 NEW
  12R5 1  
  12R5 1  
TUNG-SOL 12R5 5 NEW
RAYTHEON 12RK19 5 NEW
DUMONT 12RK19 1  
RCA 12S57 3 NEW
RAD-TEL 12SA7 1 NEW
TUNG-SOL 12SA7 1 NEW
PHILCO 12SA7 1 NEW
TUNG-SOL 12SA7 0 NEW
  12SA7 (U) 1 USED
NATIONAL UNION 12SA7GT 1 NEW
  12SA7Y 16 NEW
RCA 12SC7 1 NEW
CBS 12SF5 1 NEW
ARCTURUS 12SF5 1 NEW
RCA 12SF7 0  
PHILCO 12SF7 1  
RCA 12SF7 3 NEW
ARCTURUS 12SF7GT 1 NEW
TUNG-SOL 12SG7 3 NEW
GE 12SG7 1 NEW
GE 12SG7 1 NEW
TUNG-SOL 12SG7 1 NEW
GE 12SG7Y 1 NEW
  12SH7 1  
GE 12SH7 1 NEW
GE 12SH7 11  
RCA 12SH7 4 NEW
RCA 12SH7GT 1 NEW
GE 12SJ7 1 NEW
GE 12SJ7 2 NEW
RCA 12SJ7 1 NEW
GE 12SJ7 1  
RCA 12SJ7 10  
RCA 12SJ7 1  
RCA 12SJ7 10  
TUNG-SOL 12SJ7 1 NEW
KEN-RAD 12SJ7 1  
RCA 12SJ7 1  
TUNG-SOL 12SJ7 2 NEW
PHILCO 12SJ7GT 2  
PHILCO 12SK7 2  
  12SK7 2  
  12SK7 8 NEW
TUNG-SOL 12SK7 4 NEW
TUNG-SOL 12SL4GT 1  
  12SL7 1  
RCA 12SL7GT 1 NEW
ARCTURUS 12SL7GT 3 NEW
GE 12SL7GT 1  
RCA 12SN7 0  
  12SN7GT 2  
RCA/DUMONT 12SN7GT 0  
TUNG-SOL 12SN7GT 1 NEW
  12SN7GTA 1  
TUNG-SOL 12SN7GTA 5 NEW
SYLVANIA 12SN7GTA 1  
TUNG-SOL 12SN7GTA 4 NEW
TUNG-SOL 12SN7GTA 1 NEW
  12SQ7 2 NEW
SILVERSTONE 12SQ7 1 NEW
TUNG-SOL 12SQ7 1 NEW
DUMONT 12SQ7GT 0 NEW
SYLVANIA 12SQ7GT 1 NEW
PHILCO 12SQ7GT 1  
RCA 12SR7 1  
DUMONT 12T10 2 NEW
  12T10 1  
TUNG-SOL 12U7 5 NEW
TUNG-SOL 12U7 1 NEW
DUMONT 12U7 1 NEW
  12UG7 1  
  12V6 1  
TUNG-SOL 12V6GT 3 NEW
DUMONT 12V6GT 0 NEW
  12V6GT 1  
TUNG-SOL 12V6GT 1 NEW
DUMONT 12V6GT 2 NEW
  12W6GT 1  
DUMONT 12W6GT 4 NEW
  12W6GT 1  
TUNG-SOL 12W6GT 1  
DUMONT 12W6GT 2  
  12W6GT 1  
DUMONT 12W6GT 1  
TUNG-SOL 12W6GT 1 NEW
TUNG-SOL 12W6GT 4 NEW
TUNG-SOL 12X4 1 NEW
TUNG-SOL 12X4 4 NEW
ARISTOCRAT 12Z3 1 NEW

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