NOTE: After spending $$$$ on tooling and various prototypes, we have fitted Special Grade Flying Leads tubes with Custom Bakelite Bases developed in-house. It is a multi-step, labor intensive process. Each lead is straightened and cleaned to ensure perfect fusion with the base pins in the soldering bath. Process is painstakingly slow, so we will be adding a few tubes at a time to the inventory.

Tubes are Plug & Play, Ready to Use,  fitted with our Custom made Bakelite Bases (INTL Patent Application in Process).

Single Tubes Brand New MINT NOS Rare 1961-66 BRIMAR CV4035 Box Plate Military tubes. CV4035 Flying Lead is a Premium Grade, High Reliability Long Life version of ECC83/CV492/CV4004/6057/12AX7 valves (Click Here). Made in England. Packed in generic white boxes from bulk.

CV4035 premium grade version of the late 1950s-early 1960s Box Plate CV492 aka CV4004 is one of the best from Brimar in the ECC83 types (click Larger Photo).

Tested and matched on Top of the Line Calibrated Hickok 580 Lab Grade Tester recently calibrated by late Chris Haedt or on Hickok 752, just recently calibrated and modified by Hickok expert to all Solid State to eliminate drift.

Labels are fragile as chalky printing from that era comes off easily with contact.

Single Tube = $100.