I just pick up a used Alpha 374A amp that had been upgraded to two 3CPX800A7 tubes by Dick Byrd N4UQ. It was in very good condition and a good buy considering it had only 20 hrs of use …

Model 374 Specs: 3 Air Cooled Eimac 8874 / 3CX400A7 Legal Limit 80m – 10m (except 12m) “Bandpass” and Manual Tuning Selections Open-frame Relay T/R

Alpha 374a - power suppy. Documentation. Bandswitch Wafer Part Numbers: Electroswitch E4C-8 – Front 3 wafers Electroswitch E4C-N18 – Rear wafer. Alpha 374A Operating and Technical …

In the 374 Alpha is running the 3 8874's very very conservatively at relatively low plate voltages. That's why they last forever. The 374 IMO is one of the best built amps ever made.

N4UQ offers upgrades and repairs to many Amateur Radio amplifiers manufactured by Alpha. Repairs and upgrades are available for the Alpha 8410, 8406, 8100. 89, 91b, 99, 87A, 77, 76, …

For your consideration, here at CB and HAM Radio Depot, is a very nice Alpha 374A Amplifier. This unit is super clean and works very well. Has very minimal marks. Has had the front plate …

View and Download ETO ALPHA 374A operating and technical manual online. High frequency linear power amplifier. ALPHA 374A amplifier pdf manual download.

The Ehrhorn Alpha 374 is a linear amplifier operating on all amateur bands from 3.5 to 30 MHz in SSB, CWm RTTY, SSTV, and FM with a kilowatt of input. Net weight (2.2 lb = 1 kg) 52 lb (52 …

The Alpha Wattmeter represents a revolution in RF power measurement. State of the art integrated circuit technology and innovative design techniques have combined to deliver a mix …

Boatanchor (heavy military or commercial set >20 kg). Linear amplifier covering the frequency from 1.8 to 2 MHz and 30 MHz in manual continuous mode, without any need to automatically …