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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 ...
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 ...
The 6AQ5 [1] (Mullard–Philips tube designation EL90) is a miniature 7-pin (B7G) audio power output pentode vacuum tube with ratings virtually identical to the 6V6 at 250 V. [2] It was commonly used as an output audio amplifier in tube TVs and radios. It was also used in transmitter circuits. [3]
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
Its rated power output was increased to 20 watts, its output tubes were a pair of 6BQ5/EL84 (the only Fender amp of that time to feature them) and they were operated at voltages in excess of their rated maximums and under fixed bias, but was soon changed to 35 watts and a pair of 6L6GC power tubes with a GZ34 rectifier (circuits 6G9-A and 6G9-B ...
A Wisconsin woman is taking legal action after learning a feeding tube was allegedly left inside her body during surgery nearly 35 years ago. In 1989, Deborah Lowe was pregnant with twins when she ...
Seltzer water and sparkling water are readily available at most grocery stores and offer copious flavor options that make for tasty sugar-free soda substitutes.
In one corner, we’ve got Mounjaro, and in the other, Ozempic. They’re both once-a-week injectable drugs designed to help patients with type 2 diabetes manage blood sugar.