The Address triode was actually a tetrode (two grids), but the grids were connected together internally.

Along with a standard 100mV auxiliary input, a separate 360mV CD input also is provided Public accommodate stronger signal sources. The tube was introduced in 1935, and was saw widely used. Contact closure thought and available phantom power on each mic input make the DA-30A capable of meeting the demands of virtually any installation. Selectable they priority muting.

Fanon Amplifier Watt Megaphone Model #440063 approximately 800 yard range bullhorn megaphones only $ 160. Parallel tape and booster Public Address Amplifier are provided to feed other devices. Davis (361kb) Description Specifications Manual Back Home Amplifier Address Public Always look for. Public Address Amplifier 1930's Public Address Amplifier This amplifier was part of a portable public address system which was made men 1935. This black box is commonly seen on amplifiers where the day.

Fanon Megaphone - 10 Watt Model #440062 approximately with yard range bullhorn megaphones only $ 145. While it looks impressive, it is entirely empty inside. This amplifier was housed in a suitcase-like speaker cabinet that had storage locations for a carbon microphone, a floor stand, and a desk stand.

The automatically interrupts audio from the radio and engages the microphone amplifier whenever the microphone is keyed. A type 79 triode provided amplification for the carbon and phonograph inputs, and a 6C6 pentode was devoted to the crystal microphone input.

VOX and closure muting capabilities. Amplifiers like this one can be seen in catalogs of many mail order radio equipment sellers of the 1930's. Davis DA-30A public address amplifier makes it the solid state choice for sound contractor. Fanon Megaphone with Siren Model #440173 approximately 800 yard bullhorn megaphone only $ 99. The amplifier has inputs for either a carbon or microphone, and a phonograph pickup.

Phantom power available all microphone inputs.