Sylvania 6JB6 Used Pair (2) for RL Drake Radios, Tested & Guaranteed #2

Sylvania 6JB6 Used Pair (2) for RL Drake Radios, Tested & Guaranteed #1

 6JB6 and 6JB6A tubes are interchangeable

This Pair of 6JB6 / 6JB6A tubes is in excellent condition and appear to be used, in excellent condition and and tests full grid emission.

This tube set and all others, has been tested on a B&K Dynaquick 700 Tube tester. It shows grid full emission.

The Sylvania 6JB6 is a beam power pentode (TV sweep tube) widely used as an RF power amplifier in amateur radio equipment. It features a 6.3V filament (unlike the 12.6V 12JB6A version).

Key Specifications

• Type: Beam power pentode
• Filament: 6.3 V, ~1.2 A
• Plate Dissipation: ~17.5 W per tube
• Base: 9-pin Novar (Compactron-style) with top anode cap
• Your Condition: NOS (New Old Stock), tested 100% on Dynascan tube tester, in original boxes — excellent strong emission and cosmetics.

Amateur Radio Equipment That Uses the 6JB6These tubes are the stock final amplifier tubes in many classic R.L. Drake radios:

• Drake TR-4, TR-4C, TR-4CW transceivers (uses set of 3)
• Drake T-4X, T-4XB, T-4XC transmitters (uses pair / 2 tubes)
• Earlier Drake equipment and some variants

Sylvania tubes were the original brand often supplied by Drake, making these particularly desirable for restorers. A strong set typically delivers 150–250+ W PEP output depending on the radio, tuning, and band.

This set comes with a money back, satisfaction guarantee.