Acom 700S – 700W HF + 6 m Amplifier


The Acom 700S is a high-performance, compact 700W HF + 6m solid-state linear amplifier, perfect for amateur radio enthusiasts and professionals alike. Operating within the 1.8 – 54 MHz frequency range, including the 5 MHz amateur band, this amplifier ensures robust and reliable performance with a mere 27W input.

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SKU: 97-005 Category: Tags: , , , ,


Key Features:

High-Resolution Display: Equipped with an 800×480 pixel, 24-bit colour display for clear and detailed monitoring.

Universal Compatibility: Compatible with all transceiver models without requiring special signals, needing only “ground on transmit” (PTT) and 30W of RF drive power.

Broadband Input Circuit: Provides a transceiver load with SWR below 1.2:1 (typically 1.1:1) for seamless operation.

Acom 700S - 700W HF + 6 m Amplifier

Advanced Transistor Technology: Utilizes MRFE6VP6300H MOSFET transistors, capable of withstanding high mismatch (SWR) at the output, designed for aerospace, industrial, mobile, and radio broadcast applications.

Acom 700S - 700W HF + 6 m Amplifier

Intuitive Operation: User-friendly screen menus for easy navigation and operation.

Automatic Band Switching: Automatically adjusts bands when connected to a transceiver with a CAT interface or monitors the input signal frequency via a built-in frequency counter for seamless band switching.

Remote Control: Operable through an RS232 interface for convenient remote management.

Portable and Versatile: Ideal for expeditions and field operations, featuring an extremely compact and lightweight design, extended mains voltage range (85-132VAC and 170-265VAC), limited inrush current, and purely sinusoidal consumed mains current.

Self-Protecting: Continuously working protection circuits in all modes ensure safe operation, with digital monitoring of over 10 operational parameters.

Maintenance-Friendly: Stores detailed data on each of the last 28 hard-fault protection trips in its nonvolatile memory for easy troubleshooting and maintenance.

Acom 700S - 700W HF + 6 m Amplifier

Power Factor Correction (PFC): Ensures stable performance even from unstable mains or generators, thanks to the built-in switching-mode power supply (SMPS).

Excellent Electromagnetic Compatibility (EMC): Exceeds standard EMC requirements, ensuring minimal interference with other radio station equipment, achieved through the use of PFC and additional built-in radio-frequency filters.

Complies with EU safety regulations and electromagnetic compatibility standards, as well as with the US Federal Communications Commission (FCC) rules.

The Acom 700S stands out as a reliable and versatile amplifier, offering high-quality performance and ease of use, making it an excellent choice for both seasoned operators and those new to the field.


Standard Frequency Coverage1.800 – 2.000 MHz

3.500 – 4.000 MHz

5.250 – 5.450 MHz

7.000 – 7.300 MHz

10.100 – 10.150 MHz

14.000 – 14.350 MHz

18.068 – 18.168 MHz

21.000 – 21.450 MHz

24.890 – 24.990 MHz

28.000 – 29.700 MHz

50.000 – 54.000 MHz

Intermodulation distortions (IMD3)Better than 31dB below the rated PEP output
Harmonic and Parasitic Emissions Output SuppressionBetter than 60dB (65dB typically)
Input and Output ImpedancesNominal value: 50 Ohm unbalanced, UHF (SO239) type connectors
Input CircuitBroadband, SWR below 1.2:1 (1.1:1 typically); 1.8 – 54 MHz continuous range without retuning or switching
RF By-Pass Path SWRBelow 1.1:1, 1.8 – 54 MHz
Admissible SWR at the Output Load (the Antenna)Up to 3:1 with proportional power reduction and up to 1.5:1 for full output power
RF Power Gain14dB +/-1dB (typically 27W for 700W output power)
Mains Power Supply Voltage85-132V with 10 main fuses and 170-265V with 6.3A main fuses, 45-66Hz, single phase
Mains Power Consumption at Full Output Power1350VA or less with a power factor of 0.95 or higher
Mains Power Consumption in Low Energy (Waiting) ModeLess than 1VA
Dimensions Operating330 x 165 x 380 mm
Temperature Range-40ºC to +70ºC
Relative Air HumidityUp to 75% @ 35ºC above sea level up to 12000 m, including the luggage compartment of aircraft
Dimensions at Transportation (Max)481 x 291 x 475 mm
Weight15 kg

Additional information

Weight15.3 kg