RCA 1D7G CV765 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

TUNG SOL 1T4 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

TRONIX 0B2 CV1833 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

MINIWATT 1L4 DF92 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

TUNGSRAM PCL805 Vacuum Valve. It is not shipped with its original box.

RCA 12SG7 VT209 vacuum valve with external oxide. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

JAN RCA 12SG7 VT209 Vacuum Valve with External Oxide. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Used vacuum valve MULLARD ECH84. It is sent without its original box.

KEN RAD 12SG7 VT209 vacuum valve with external oxide. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

JAN KEN RAD 12SG7 VT209 vacuum valve with external oxide. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

JAN KEN RAD 12SG7 VT209 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

RCA 12H6 vacuum valve with external oxide. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

KEN RAD 9002 Vacuum Valves. Tested with a HICKOK TV-7D / U. It is not shipped with its original box.

GENERAL ELECTRIC 12SG7 VT209 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Used vacuum valve MINIWATT ECH84. It is sent without its original box.

TEN 3CB6 Vacuum Valves. They have been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

GENERAL ELECTRIC EAA91 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

TEONEX 6AL5 CV4025 5726 Vacuum Valve. Tested with a HICKOK TV-7D / U. It is not shipped with its original box.

USED MINIWATT EAA91 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

USED MARCONI EAA91 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

RCA 6AL5 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

SYLVANIA 6F5 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

TUNG-SOL 1U4 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Used TUNG SOL 5726 vacuum valve. Tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Used SYLVANIA 6AL5W Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is sent with its original box.

Vacuum valve 1AD4 CV2237. It is not shipped with its original box.

6286 Vacuum Valve. Not shipped with original box.

7H4B automatic flow regulating valve. Nor it has been possible to test. It is not shipped with its original box.

http://www.labguysworld.com/AMPERITE_BALLAST_TUBES.pdf

RCA 12C8 vacuum valve with external oxide. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Vacuum valve MWT CV138. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Sylvania 6AL5W Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

RCA 5763 Vacuum Valve. Tested with a HICKOK TV-7D / U. I don't knowIt is shipped with its original box.

JAN KEN RAD 12C8 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

TUNGSRAM PY88 vacuum valve. It is sent with its original box.

Haltron CV4007 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Used vacuum valve CBS 5749. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Haltron CV4007 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is sent with its original box.

RCA 6H6 vacuum valve with external oxide. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Used USED RCA 5749 vacuum valve. Tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Used vacuum valves TEONEX 6AL5W. They have been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

RCA 1U4 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Used vacuum valve CBS 6AL5W. It has been tested with a HICKOK TV-7D / U. It is sent with its original box.

SFR 6AL5W vacuum valves. They have been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

3A4 vacuum valve. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is not shipped with its original box.

JAN-1AD4 Vacuum Valve manufactured by Raytheon. It is not shipped with its original box.

CK-5678 CV2254 Vacuum Valve manufactured by Raytheon. It is not shipped with its original box.

JOZ-5678 CV2254 Vacuum Valve manufactured by Sonotone. It is not shipped with its original box.

SYLVANIA 6BA6W Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Vacuum valve UTL-5678 CV2254 manufactured by Tung Sol. It does not ship with its original box.

JRP-5678 CV2254 Vacuum Valve manufactured by Raytheon. It is not shipped with its original box.

JRP-5672 CV2238 Vacuum Valve manufactured by Raytheon. It is not shipped with its original box.

BG X61M vacuum valve. They have been tested with a HICKOK TV-7D / U. It is sent without its original box.

SYLVANIA 6N7 VT-96 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

SYLVANIA 0B3 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

5672 vacuum valve manufactured by CIFTÉ. It is not shipped with its original box.

6050 CK6050 Vacuum Valve. It is not shipped with its original box.

TORVAC 6N7 VT-96 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

5678 CV2254 Vacuum Valve. It is not shipped with its original box.

6397 Vacuum Valve manufactured by Raytheon. It is not shipped with its original box.

JAN-5678 CV2254 Vacuum Valve manufactured by Raytheon. It is sent with its original box.

TEN 3AU6 vacuum valves. Tested with a HICKOK TV-7D/U. Shipped without original box.

Vacuum valve EF41. It has been tested with a Micro trace r. They are shipped without their original box. Different times, useful life and serigraphs. When buying, please let us know which EF41 vacuum valve or valves you want.

JRP-5678 CV2254 Vacuum Valve manufactured by Raytheon. It is sent with its original box.

TUNG SOL 5A6 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

RADIO BELVU CV286 95A1 Q595 / 10 vacuum valve. It is sent without its original box.

Vacuum valve EF183 manufactured by Marconi. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is not shipped with its original box.

RCA 6AG5 Vacuum Valves. They have been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

CALVERTRON 6AG5 Vacuum Valves. They have been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

PCF80 vacuum valve manufactured by Miniwatt. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is not shipped with its original box.

Vacuum valve JAN TUNG SOL 6SA7WGT VT150. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

LZP 5651 vacuum valve. Tested with a HICKOK TV-7D / U. It is not shipped with its original box.

MULLARD 6K7 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

SYLVANIA 0A2WA vacuum valve. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

Sator EF40 vacuum valve. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is sent without its original box.

Haltron EF40 Vacuum Valve. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is sent without its original box.

Elektron EF40 Vacuum Valve. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is sent without its original box.

Philips Miniwatt EF40 vacuum valve. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is sent without its original box.

National Union 6J7 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is sent without its original box.

Mc Murdoc 6J7 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is sent without its original box.

Hytron 6J7 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is sent without its original box.

Ken Rad JAN 6J7 Vacuum Valve. It has been tested with a HICKOK TV-7D / U. It is sent without its original box.

ULTRON 6J7 vacuum valve. It has been tested with a HICKOK TV-7D / U. It is sent with its original box.

This type of resistance (METAL FILM OR METAL FILM RESISTANCE) is the one most commonly manufactured today, with improved noise and stability characteristics compared to carbon and metal oxide resistances.

5763 / QV03-12 Vacuum Valve manufactured by Mullard . It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is not shipped with its original box.

CV2105 DL70 vacuum valve. It is not shipped with its original box.

CV2299 DL73 vacuum valve. It is not shipped with its original box.

5763 / QV03-12 Vacuum Valve manufactured by Ediswan Valve. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is not shipped with its original box.

RCA 6SS7 VT199 Vacuum Valve with External Oxide. It has been tested with a HICKOK TV-7D / U. It is not shipped with its original box.

5763 / QV03-12 Vacuum Valve manufactured by RCA. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is not shipped with its original box.

6SA7GTY vacuum valve manufactured by National Union. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is not shipped with its original box.

5672 CV2238 Vacuum Valve. It is not shipped with its original box.

Tungsram EF40 Vacuum Valve. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is sent with its original box.

Elektron EF40 Vacuum Valve. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is sent with its original box.

Philips Miniwatt EF40 vacuum valve. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is sent with its original box.

JAN 6AC7W vacuum valve manufactured by RCA. It has been tested with a professional equipment called Microtracer, the study of the valve with its characteristics is sent to the client. It is not shipped with its original box.

PFL200 vacuum valve manufactured by Mullard . It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is not shipped with its original box.

6AW8A vacuum valve made by CE. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is not shipped with its original box.

CV131 vacuum valve made by Haltron. It has been tested with a professional team called Micro trace r, the study of the valve with its characteristics is sent to the customer. It is not shipped with its original box.

CV2299 DL73 vacuum valve manufactured by Mullard . It is not shipped with its original box.