2A3 Marconi Canada

…Chinese and Sovteks. All tubes are new and in original boxes. Possible very close matching due to big quantities. They are very scarce these days. Hi Dragan, My system consists of the portable hifiplayer COLORFLY, an OPERA consonance cyber-30 2A3 with modified coupling capacitors (old Russian oil-paper capacitor from the military) speakers for the time still fostex fullrange, for the future old coral beta 10 in backloaded horn ………they finish in n…

Tubes Pin Straightener Tool

…ubes. I have a big quantity of rare used tubes and it was a nightmare when I need to put on tester tubes with bent or twisted pins. It happens to brake glass envelope where pin is entering the tube and when it happened to me with Telefunken’s ECC802S it was time to have this tool. Ebay didn’t exsist 20 years ago and I couldn’t get any NOS straightener tool, the only way was to make it in friend’s metal workshop. It’s made for Miniatur, Noval, Deca…

E81CC Siemens 6201

…mica type, plates with one side hole, very rare type. All tybes are in original boxes, and in original 100 pieces packagings. Great sounding tube. Factory warranty for 10,000 hour life. Triple mica spacers for extremely low microphonics. Some customers use it instead of ECC83 / 12AX7 if they don’t need too much gain. Ciao Dragan, Thanks a lot for your Siemens E81CC. I’ve changed tube in my MXL V69M Mogami Microphone few days ago, and … I can’t des…

Tube Testers

…one thing, tube rectifiers are changed with silicone diodes, old capacitors are replaced by new ones and now it’s capable to supply 600V plate voltage for testing 211 tubes via socket adaptor. Metrix U-61B Great tube tester made by Metrix (COMPAGNIE GENERALE DE METROLOGIE, ANNECY FRANCE) model U-61 B Testing big lot of pre war ECC83 12AX7 by Elektronska Industrija Nis Hickok I-177B This tester was designed for military during WWII. It’s exception…

Booster (damper) diodes EY88 EY500 6EC4A PY500 6AL3 6EC4 42EC4A

…than 65% for magnoval rectifiers. Also don’t exegarate with input capacitor! I use EY500 in power supplies which deliver 1500V! I have seen them used like a slow start in many silicon rectifier bridges, they are just simply connected in serial after electrolytic capacitors. EY88 6AL3 Vf=6,3V If=1,55A Va=550V/250V Ia=550mA/220mA Pa=5W EY500A 6EC4A Vf=6,3V If=2,1A Va=7000V/5600V Ia=1000mA/440mA Pa=11W PY500A 42EC4A Vf=42V If=0,3A Va=7000V/5600V Ia=1…

211 Taylor Tube VT-4C

…al guarantee“ Perfectly matched pair 211 Taylor Tube VT-4C WWII JAN Stock April 1945 There are two types of Taylor’s VT-4C, different getters, solid thick disc getter and tin getter Differences: GE vs Taylor Although they seem to be identical construction, there are big differences. Taylor has just a bit squared plates vs completelly oval plates, tripple welding points at base (Ge has two), two screws (GE has one), strip line vs wire, … Both grid…

EL34 Mullard 6CA7 Xf3

Bulk packaging, original boxes of 50pcs, perfect true NOS El34 6CA7 Mullard Blackburn Made in Great Britain! They are made in 1974, Xf3 B4F1 codes, top mica spacer with 10 support points, folded plates (stapled), two slots on plates, black base with central hole in guiding pin. Almost all printing marks on tubes are perfect! As opposed to many other tube dealers, www.tubes.rs has big stock of many nos types, for example we have more than 100 pie…

Marconi Triode (help ID)

…This is Marconi Triode (pre WWII) I can not identify. Officine Radio Marconi Genova DES.1 is written on it, also serial numbers and Marconi paper labels I put them here, because they use the same (jumbo) socket like US 211 VT-4C and German’s RS237. They are also the same size. Despite asking on many forums and FB it’s still unidentified!   Click to see all 203 211 VT-4C triodes in stock  …

1T4 DF91 Mazda – Cifte France

…F & IF pentodes intended for use in small battery powered old portable and car radios ( Akkord Offenbach U54, Vidor Riviera, Storens Metro B, Philips Picknick, Minerva Portable, Grundig Boy Junior, Lorenz Weekend II, Telefunken Teleport, …) become very popular nowdays in battery preamplifier constructions and headphone amplifiers (Analog Squared Paper – Japan).   Click to see all PREAMPLIFIER PENTODES in stock…

1T4 DF91 Sylvania VT-173

…in original boxes, from service packaging 100 pcs box, all same codes, WWII JAN batch. rare square getter (one of the 1st versions made by Sylvania!!!), matched pairs available. JAN US NAVY surplus These directly heated AF & IF pentodes intended for use in small battery powered old portable and car radios ( Akkord Offenbach U54, Vidor Riviera, Storens Metro B, Philips Picknick, Minerva Portable, Grundig Boy Junior, Lorenz Weekend II, Telefunken T…