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Audio Output Triodes

AC044 Mullard balloon 1930 bulbous balloon glass barium coated slanted anode PX4 PP3/250 equivalent matched quartet

Mullard AC044 balloon barium coated £ 1800 quartet

AC044 Mullard clear glass output triodes early type PX4 PP3/250 equivalent

Mullard AC044 clear glass £ 450 pair

AC044 Mullard engraved logo on glass black glass full getter tall version magic quartet

Mullartd AC044 black glass engraved logo £ 1200 quartet

AC044 Mullard New Old Stock MINT quartet original box semi coated audio triode PX4 PP3/250 equivalent tested 100%

Mullard AC044 in original boxes £ 1200 quartet

AC044 Mullard pair with chrome finned plate AC044 ribbed plate PX4 PP3/250 equivalent two pairs

Mullard AC044 ribbed plate £ 450 pair

Mullard AC044 ribbed chrome finned plate £ 500 pair

AT20 Mazda old Army service code CV1361 MZ05-20 matched pair fully tested audio triodes

Mazda AT20 old Army service code CV1361 MZ05-20 £ 500 pair

DA100 Ediswan NT36 Admiralty Navy Transmitting triode L4 base Top Pip year 1937

NT36 Ediswan Top Pip L4 base GBP 2,500.

DA100 GEC Osram NT36 MZ1-100 CV1219 audio power output triodes L4 base

DA100 GEC MO-V Marconi Osram GBP 2,000 pair.

DA100 MZ1-100 Mullard CV1219 NT36 audio output valves oxide filament L4 base

Mullard MZ1-100 GBP 1,600 pair.