It is designed for dual control and therefore the suppressor has a short grid base or control range. Through holes in the anode plates can be seen the outer two grids. Nos russian versions are the best, but are scarce and expensive. Svetlana 6bm8 high performance audio dual package, triode and pentode he svetlana 6bm8 is a single glass envelope containing both a power pentode and triode. Tube 6hs6 or rohre 6hs6 id4060, vacuum pentode, miniatur7pinbase b7g, usa 1940 and shown. Description the 6j2p 62 highfrequency shortcharacteristic pentode has been designed for h. Tubes 6a3 6cz5 the tube list at esrc1 vacuum tubes is very extensive, as is our inventory of vacuum tubes, grid caps, sockets, valves and capacitors. They require about 50v less voltage than el84 and draw a bit more current.
This means that both the control grid g1 and the suppressor grid g3 have control over the plate current. The tube has the same pinout as el84 and is a bit more powerfull. The schematic below is from the wireless experimenters manual by elmer bucher published in 1919. Both wound on notched rods and both rounded at the ends and flattened across the anode width. Has high pervcance, a,,u 6as7g of 2, and an ac plate resistance of 280 ohms. For use in gated amplifier circuits, delay circuits, and gaincontrolled amplifier ckcks. To put item to basket click on the basket picture or price. A collection of electron tube specifications from the western electric library. Versions that should work interchangably are the 6c33b, 6c33c, and the 6c18c, but check with your equipment dealer first. Substitutes are given as a guide only please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. The result better mids and bottom while keeping the smooth top of the classic 6v6s. The 6as6 is suitable for use in gated amplifiers, qaincontrolled amplifiers, delay circuits, and mixer circuits. As can be seen by the absence of a tetrode kink in the following plots, the suppressor grid of the 6as6 still returns secondary emission back to the plate.
I looked up a data sheet, and see where youre coming from. The chinese 6p1 and the russian equivalent 6p1p also have no western equal. The 6j2p pentodes are miniature devices enclosed in glass bulb and are provided with a sevenpin base, rigit leads and an indirectly heated oxidecoated cathode. Franks electron tube pages foreign substitutes for american types this data is scanned and may contain errors caused by the ocr software. Thanks to max, the chance i have it, has increased considerably. Requests for further technical data on any tungsol tubes should be addressed to. Numbers shown in light yellow background are used in seriesstring configurations. If everything is ok, the measured voltage of vcc terminals of r2 or r5 are about 65v dc. Planning my first tube receiver 6as6 the radioboard forums. The 6146w vacuum tube is a ruggedized military version of the 6146 family of tubes. Tube 6as6 or rohre 6as6 id4587, vacuum pentode, miniatur7pinbase b7g, usa 1940 and rfifstage shown. It has a pentode plate dissipation rating of 7 watts with convection cooling. Construction refers to both basing size and the envelope hf means heater or filament voltage and current specifications.
Please see the substitutes at the top of the page for more details. Increasing sensitivity of ordinary aa5 radios wa2ise. The preferred oem tube of 50sera fender tweed champ and deluxe amplifiers the tungsol 6v6 has a geometry designed to safely handle the higher voltages used in guitar amps plus heavier plate and grid materials. The 6c33 russian tube is another that has no western or chinese sub. Increasing sensitivity of ordinary aa5 radios using the 12ba7 pentagrid converter to. Tube discontinued codes replacing discontinued code 234a 235d 237a 239a 240a 241a 242a 242b 243a 248a 249a.
The 6as6 is a dual control pentode, which means that grid 1 and grid 3 are both independent control grids. Here a 6as6 aka 5725 tube is used in place of the 12ba6. A single 6bm8 may be used as an economical low power mono block amplifier or a pair of 6bm8s, in ultra. Mk buizen handboek frank philipse pocnet mirror patrik schindler 6as6. We electron tubes general bulletin index and general information. It is a small, sturdy, glassoctal heater cathode type used as an af power amplifier and modulator and as an af power amplifer and oscillator.
The thin glass tube envelope is 18 mm in diameter and, excluding the b7g base pins, is 35 mm tall. Transmitting tubes rectifiers specialpurpose diodes. This will load the output if transformers lc circuit less, causing its bandwidth to narrow. This data is scanned and may contain errors caused by the ocr software. Adjust the vr1 500ohm so that the the tube filament voltage middle pin of u1 is around 6. Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages.