Up For Sale: 2 Pcs 
Shipping Charges: $70
For bulk or quantity requirements, feel free to Email us atPX25 / VR40 Power Triode
MATCHED PAIR | BRITISH MILITARY NOS | ORIGINAL GVT BOX
Broad Arrow Marked
10E/9601 Spec
Military Grade
AVO Verified
10E/9601 Spec
Military Grade
AVO Verified
Available is an exceptional matched pair of PX25 / VR40 power triodes, preserved in their original British Government (GVT) packaging. These tubes are high-tension military variants (Ref No. 10E/9601) featuring the iconic Broad Arrow “Z” insignia, denoting official Ministry of Defence service. The heavy-duty cardboard boxes are stamped with matching military nomenclature, confirming their authentic New Old Stock status.
Testing was conducted on a professional AVO Type 160 characteristic meter.
| Serial No. | Parameter Ip | Result Ip (mA) | % Ip | Parameter Gm | Result Gm (mA/V) | % Gm |
|---|---|---|---|---|---|---|
| K4557 | 40.0 | 54.5 | 136.3% | 7.5 | 6.0 | 80% |
| K3633 | 40.0 | 59.0 | 147.5% | 7.5 | 6.0 | 80% |
⚠️ Note: Custom duties and taxes are the responsibility of the buyer in their country.
We have more than 300 Pieces in Stock
NOS Audio Tubes — Global Vintage Valve Specialists
Reviews
There are no reviews yet