4 x 4:1 Active Antenna Combiner, Switchable DC and RF for 8 Antenna Inputs

UK ACA 3

Overview

Sennheiser supports the use of distributed antenna systems with a range of high-specification custom antenna combiners to allow wireless microphone coverage over multiple rooms and large or complex sites.

With the increasing demand for these systems in various situations including large churches, broadcast installations,

outdoor sporting events and reality TV shows, Sennheiser‘s engineers have used this expertise to develop the ACA 3, a

compact, cost effective and easy to deploy 2 x 4:1 antenna combiner compatible with all Sennheiser wireless systems

including Digital 6000 and 9000 Series.

Features

• 2 x 4:1 combiner at unity gain

• Switchable DC: supplied on each antenna input for head amps or active antennas, e.g. AB 3, AB 3700, A12 AD, AB 9000

• Switchable RF: RF from each of the eight antenna inputs is switchable to isolate unused antennas

• Visual indication: LEDs indicate input state; RF on, DC on and DC current overload (e.g. faulty “short circuit” antenna cable)

Specifications