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Audio output Triodes II

The valve or vacuum tube called Triode is the most sought after of all valves ever made!

A Triode is an electronic valve or tube which is made of three electrodes inside a vacuum. Cathode filament, Anode Plate and control grid

Several power triodes consist of various outputs; the most common are:

2A3 45 50 211 300A 300B 845 AC044 DA100 LP4 NT40 PX4 PX25 PP3/250 PP5/400 VT-4C

2A3 45 211 VT4C 845 300B DET5 LS6A LS5A MH4 ML4 MHL4 all 1920s 1950s balloon triodes etc

10 Europa 210 balloon black plate full getter boxed pair

Europa balloon 210 10 GBP 450 pair.

10 RCA audio valves original boxes Power Amplifier Oscillator Filament voltage AC or DC 7.5 V

RCA type 10 triodes original boxes GBP 450 pair.

RCA type 10 triodes original boxes GBP 850 quartet.

101D 102D 4101D 4102D STC Western Electric tennis ball balloon audio triodes NOS

STC 101 D black base GBP 350

STC Brown base type 102D GBP 400

STC 102D metal base GBP 1,000 pair

104V Mullard – AC104 Mullard – CT 410HF Cleartron – CT 215SG Cleartron boxed

Mullard 104V GBP 50

Mullard AC104 GBP 40.

Cleartron 410HF GBP 40.

Cleartron CT215SG GBP 40

154V Mullard balloon side terminal Mullard 164V rare balloon valves

Mullard 154V side terminal ballonn triodes GBP 200 pair.

Mullard 164V balloon triodes GBP 200 pair.

205D STC – 101F WE – 205E x2 – TM1 tennis ball Pip Top audio triodes from 1928 onward

101F Western Electric balloon tennis ball pip top GBP 400.

3 x Western Electric STC 205D 4205D tennis balloon pip top valves GBP 500 each.

TM1 early French balloon valve pip top in perfect shape with black anode and in working order GBP 500.

210HF 210LF 230SP by Six-Sixty Valve Company (Mullard related)

210HF Six-Sixty GBP 80 pair

210LF Six-Sixty GBP 40

230SP Six-Sixty GBP 50

211 STC VT-4C VN39 Western Electric CV25 audio triodes – 805 RCA

STC 211 CV25 Western Electric STC GBP 900 pair.

805 RCA Output Triode GBP 200.

211 VT-4C GE General Electric matched pair or quartet audio transmitting triodes

General Electric VT-4C GBP 750 pair.

General Electric VT-4C GBP 1400 quartet.