• Easy maintenance
Signatures of the amplifier internal status are stored in a nonvolatile memory for 7 most recent auto
protection trips. This information can be forwarded to your dealer for diagnostics. Using an EXCEL
application (available from ACOM or your dealer free of charge) and a PC you can decode the
signatures by yourself, too.
• Less noise in the shack
The input bypassing and the vacuum antenna relays are virtually silent even in the QSK CW mode due
to their special mounting.
• Efficient tuning
Less QRM and improved Electro Magnetic Compatibility during tuning. Amplifier tuning can be
achieved in less than 10 seconds at a quarter of nominal output power.
• Transceiver-independent
The amplifier operates without special signals from the transceiver - "Ground on TX" (PTT) and 85 W
RF drive power are sufficient.
• Broadband input matching
Broadband input matching circuit design provides excellent transceiver loading over the entire
spectrum, from 1.8 MHz up to 54 MHz.
• Single tube operation
Uses a single 4CX1000A/8168 ceramic and metal radial beam tetrode with plate dissipation of 1000 W
(forced air cooled, grid-driven), which is specifically designed for class AB1 RF linear amplifier
operation.
• Tube protection
Permanent monitoring includes protection of plate and grid voltages and currents, as well as exhaust
air temperature. The Bias Optimizer decreases the heat dissipated from the tube, and there is
automatic protection against overheating in accordance with specifications of the tube manufacturer.
• Output RF arc protection
Output RF arc protection is employed. This important feature safeguards the amplifier, antenna,
antenna selector, and tuner against severe damage in case of possible breakdown.
• High voltage protection
High voltage power supply inrush current limitation. This feature reduces the risk to sensitive devices
connected to the same mains circuit (important when used portable) when the amplifier is turned on.
Moreover, the amplifier can be configured for 8 different nominal line voltages: 100, 110, 120, 200,
210, 220, 230, or 240 VAC, 50 or 60 Hz.
• Continuous monitoring and/or selectable measurement
Continuous monitoring and/or selectable measurement of the 12 most important parameters of the
amplifier, exciter, and the selected antenna via the OLED display.
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