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The antenna control system ACS 2004 allows the activation of four different antennas

for all amateur bands from 80m to 70 cm over a single feeder cable. It consists of the

control unit AC 2004 and the water protected outdoor unit AS 2004. Both devices

communicate over a single feeder cable, which additionally allows four independent

amplifiers for each antenna connection to be switched on or off independently.

For the first time a complete, sequential preamplifier control is built into such a

system, that, at the same time, controls also power amplifiers processes.

Preamplifiers and power amplifiers can be controlled by a PTT, balanced to

ground or to + 5...12V.

Standard connection: 

Up to four antennas can be connected to the input sockets of the antenna switch, which is mounted at the mast.

If desired, preamplifiers can be inserted between the antenna and the antenna switch.

The AS 2004 head unit and the internal control unit AC 2004 are connected via the coaxial feeder.

The socket TRX (PA) has to be connected to a transceiver, receiver or power amplifier.

After applying the operation voltage the system is operational already.

If an RF switched preamplifier is used, no wiring of the PTT control inputs is necessary, providing the transceiver is used that does not

exceed the power handling of the preamplifier relays.

If using separate power amplifiers with higher power, a further PTT connection from the transceiver to the AC 2004 and from it to the PTT input of the power amplifier hasto be provided. In this case, any RF Vox control in the power amplifier must be deactivated.

The use of the PTT-control offers a further advantage of protection of the switch contacts in the changeover relays and the preamplifiers in use,

Switching to a different antenna connection is prevented, as long the PTT switch of the transceiver is active.

Technical Data ACS-2004 N

Frequency range: 80m - 70cm

max. power (PEP) 80m - 10m........ 1.500W

6m - 2m.............800W

70cm................ 600W

Insert loss: 80m - 10m....... <0,1dB

6m................... 0,15 dB

2m................... 0,25dB

70cm................ 0,3 dB

Antenna inputs: 4

Pre- amp consumption: 0,5A max. (remote supply)

PTT-output switch: 0,5A / 30V max. (open Collector)

Relay switch: 0,5A / 30V max. (open Collector)

- PTT input: switches on < 2V

+ PTT input: switches on > 5V

Power supply: 12V - 15V (recomm. 13,8V-14,5V)

Socket: N-conn.fem.

max. mast diameter: 58mm

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SSB ACS-2004N 4-way Remote Antenna Switching System - N-Type

  • Brand: SSB
  • Product Code: SSB ACS-2004N 4-way Remote Antenna Switching System - N-Type
  • Availability: 2-4 Days
  • €408.99

  • Ex Tax: €338.01

Tags: ACS-2004N 4-way Remote Antenna Switching System - N-Type