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The 1959 Miniwatt Technical Data book from Philips lists the 6BQ5 as the R.E.T.M.A. (American) name for the EL84 in its "Type Number Cross Reference", [1] and hence an exact substitute. American and Japanese manufacturers might label their versions of the EL84 as EL84/6BQ5 or 6BQ5/EL84 [2] or simply "6BQ5". Other manufacturers followed with ...
Continuously transmitting tubes: Maximum anode dissipation in W or kW in Class-C amplifier telegraphy; Pulsed transmitting tubes: Maximum peak anode current in A (number preceded by "P") Rectifiers: Maximum average anode current in mA; Thyratrons: Maximum average anode current: Less than 3 digits: in mA; 3 or more digits: 1st digit: =0 – in mA
The pentode EL84/6BQ5 - 9 pin Noval base tube, that although different enough from the 6V6 not to justify rating it as an equivalent, because of its popularity and ready availability, plus having a close-enough similarity to make it possible, if bias is altered, adapters have been developed commercially to allow an amplifier designed for 6V6 ...
EL84/6BQ5 (N709) – AF Power pentode EL85/6BN5 – 6 W RF/AF power pentode up to 120 MHz, for use in mobile equipment, EL42 with a Noval base EL86/6CW5 – Audio or CRT vertical deflection output power pentode, identical to LL86/10CW5, PL84/15CW5 [ 11 ] [ 12 ] and XL86/8CW5 except for heater ratings
However, many specialised Russian tubes, such as special military or transmitter tubes, do not follow the above convention. Some of the better-known Russian equivalents of West European and American tubes are the 6P14P (Russian: 6П14П ), an EL84 ; 6N8S (Russian: 6Н8С ), a 6SN7 ; and 6P3S-E (Russian: 6П3С-Е ), a version of the 6L6 .
Sour cream is another milk substitute similar to yogurt, and it even has the added benefit of tenderizing baked goods (like cake, muffins or quick breads). Keep in mind, though, that it will add a ...
The second character was a letter broadly identifying the class of tube: A-- Single element (ballast, barretter) B-- Two-element device such as: Diode; Transmit/receive tube (TR cell), cold-cathode water vapor discharge tube for use in radar systems, shorts the receiver input to protect it while the transmitter operates
Sets that use the costly WD-11 and UV-199 tubes can be modified to use the 1A5/GT octal power pentode (Which cost around $2.50) by wiring a 5.1 ohm resistor between the pins of the filament and fabricating an octal-to-four pin adaptor. The pin for the 1A5's suppressor is left unconnected and the screen connected to the plate.