RSD & Zaerix 811A

RSD & Zaerix 811A

Type 811 and 811A is an HF/VHF transmitting power triode designed for RF amplifier applications, featuring robust construction and reliable performance characteristics. Originally developed for demanding RF amplification needs, this versatile tube has become a standard in both commercial and amateur radio applications.

Quantity in Stock: 2 pcs

Price: € 39.00 each

United Electron 811

United Electron 811

Type 811 is an HF/VHF transmitting power triode designed for RF amplifier applications, featuring robust construction and reliable performance characteristics. Originally developed for demanding RF amplification needs, this versatile tube has become a standard in both commercial and amateur radio applications.

Quantity in Stock: 3 pcs

Price: € 49.00 each

RCA & TUNG-SOL 12B4A

RCA & TUNG-SOL 12B4A

The 12B4-A is a single indirectly heated low-mu triode originally designed for TV sets for use in the vertical deflection unit, but can be used for other applications as well. A small stock of RCA (5 pcs) and Tung-Sol (4 pcs) is available. 

Quantity in stock: 9 pcs

Price: € 19.00/each (Add €2 for matching service if available)

SYLVANIA 12B4A

SYLVANIA 12B4A

The 12B4-A is a single indirectly heated low-mu triode originally designed for TV sets for use in the vertical deflection unit, but can be used for other applications as well. These have black plate and made in the early 1970s.

Quantity in Stock: 35 pcs

Price: € 14.00/each; € 30.00/matched pair

General Electric 12B4A

General Electric 12B4A

The 12B4-A is a single indirectly heated low-mu triode originally designed for TV sets for use in the vertical deflection unit, but can be used for other applications as well. These have black plate and made by GE in the 1960s and '70s. Some of these were labeled for HP.

Quantity in Stock: 32 pcs

Price: € 14.00/each; € 30.00/matched pair

TELEFUNKEN ECC801S Triple-Mica SEALED!

TELEFUNKEN ECC801S Triple-Mica SEALED!

One of the best of its kind. These have triple mica and diamond mark in the bottom. These older 1960's ECC801s were the finest triple-mica low-noise tubes Telefunken ever made. Great extension, precision, detail and the deepest bass. No doubt a true reference among 12AT7s/ECC81s.  These are famous for their long life span, excellent tube structure design, low microphonics and noise level. We have 12 pieces in sealed original boxes. It is almost impossible to find such quantity in never touched sealed condition anymore.

Quantity: 12 pcs

Price: € 215.00 each

TELEFUNKEN ECC801S Triple-Mica

TELEFUNKEN ECC801S Triple-Mica

One of the best of its kind. These have triple mica and diamond mark in the bottom. These older 1960's ECC801s were the finest triple-mica low-noise tubes Telefunken ever made. Great extension, precision, detail and the deepest bass. No doubt a true reference among 12AT7s/ECC81s.  These are famous for their long life span, excellent tube structure design, low microphonics and noise level. We have 2 matched pairs and 1 single available as follows:

Matched Pair - 1

Price: € 395.00    

Matched Pair - 2

Price: € 425.00 

Single - 1

Price: Sold!