ACOM 1400S | Solid-State 1.8-54 MHz Linear Amplifier

Standard Frequency Coverage

• All amateur bands from 1.8 through 54 MHz:
• 1.800 - 2.000 MHz (160 m band)
• 3.500 - 4.000 MHz (80 m band)
• 5.020 - 5.455 MHz (60 m band)*
• 7.000 - 7.300 MHz (40 m band)
• 10.100 - 10.150 MHz (30 m band)
• 14.000 - 14.350 MHz (20 m band)
• 18.068 - 18.168 MHz (17 m band)
• 21.000 - 21.450 MHz (15 m band)
• 24.890 - 24.990 MHz (12 m band)
• 28.000 - 29.700 MHz (10 m band)
• 50.000 - 54.000 MHz (6 m band)*
• (*) Please, refer the applicable regional band plans and laws for specific allocations and limitations;
• In specific business cases, extensions or changes of the frequency coverage can be discussed, but this must be agreed upon before ordering. In any case, this is not the producer's obligation and can not be against local rules and laws.

Rated Output Power

• 1200 W ±0.5 dB, PEP or continuous carrier, without mode limitation, at 200-264 VAC mains;
• 600 W if operated at 90-132 VAC mains.

Intermodulation Distortion (IM3)

• Better than 31 dB below rated PEP;

Harmonic and Parasitic Emissions Output Suppression

• -60 / -70 dB or less (HF/50 MHz band);

Input and Output Impedances

• Nominal value: 50 Ohm unbalanced, UHF (SO-239) type connectors;
• Input circuit: Broadband, SWR below 1.2 (1.1 typically), 1.8-54 MHz continuous range without retuning or switching;
• RF bypass path: SWR - below 1.1, 1.8-54 MHz;
• Acceptable SWR at the output load (the antenna): up to 3 with proportional power reduction and up to 1.5 for full output power;

RF Power Gain

• 14 dB ±1 dB (typically 50 W for 1200 W output power);

Mains Power Supply Voltage

• 100-240 VAC, ±10%, 50-60 Hz, Single phase;

Mains Power Consumption at Full Output Power

• Power factor of 0.95 or higher;
• Up to 3100 VA at rated output (200 VAC);
• Up to 2000 VA at 600 W output from 100/120 VAC;

Mains Power Consumption in Low Energy (Waiting) Mode

• Less than 1 VA;

Receive / Transmit Control

• KEY-IN - Phono RCA connector
  • Voltage applied to the transceiver keying output - up to +12 V;
  • Closed-circuit current flow to the transceiver keying output - up to 6 mA;
• KEY-OUT - open-drain Phono RCA connector
  • Output resistance: not more than 120 Ohm;
  • The maximum allowable open-circuit voltage coming from external devices connection: +50 V;
  • Maximum allowable closed-circuit current flow by external devices: 20 mA;
• Minimum required time of sequencing between sending a request for transmitting (KEY-IN "ground on transmit" signal) and applying RF drive power at RF INPUT connector for safely switching receive to transmit: 10 ms.

Safety and Electromagnetic Compatibility

• Complies with CE safety and electromagnetic compatibility requirements;
• The FCC (US Federal Communications Commission) certification is in process of organization as of October 2024;

Size & Weight (operating, excluding connected cables)

• Amplifier, WxDxH: 372x418x170 mm, 14,6 kg (14.7x16.5x6.7 inches, 32.2 lbs.);
• Remote Control Unit, WxDxH: 179x118x86 mm, 0.730 kg (7.1x4.7x3.4 inches, 1.6 lbs.);

Shipping Size & Weight

• Please, contact us for shipment details;

Operating environments

• Temperature range: -10 to +40 degrees Celsius (14 degrees F to 104 degrees F);
• Relative air humidity: up to 95% @ +35 degrees Celsius (95 degrees F);
• Height above sea level: up to 3050 m (10000 ft) without output deterioration.