Shure AD8C Axient Digital PSM 8-Port Antenna Combiner
- Eight PSM transmitters into one antenna
- 8:1 or 2x 4:1 for spatial diversity
- Automatic gain compensation with ADTQ and ADTD
From $4,110.00 USD
Shure AD8C Axient Digital PSM 8-Port Antenna Combiner
The Shure AD8C combines up to eight Axient Digital PSM in-ear transmitters onto a single antenna, so a large monitor rig needs fewer antennas on stage.
In 8:1 mode it combines all eight RF inputs to one output. In 2x 4:1 mode it splits into two sections of four, each with its own output, to drive two antennas for spatial diversity. With ADTQ and ADTD transmitters, it raises their power to make up for the loss through the combiner.
The AD8C and the AD221 combiner expand Axient Digital PSM systems, which pair the ADXR bodypack receiver with the ADTQ quad or ADTD dual transmitter. An Ethernet switch on the rear handles remote control and firmware updates. The standard version runs on locking AC power that cascades to the next unit, and the DC Module version adds a DC input for redundant power.
Features
- Passive 8-port combiner for Axient Digital PSM
- 8:1 or 2x 4:1 modes
- Gain compensation with ADTQ and ADTD transmitters
- Ethernet switch for control and updates
- AC power cascade; DC module version
Available Options
| Power Option | Part Number | Power Input |
|---|---|---|
| AC Power | AD8CUS | 100 – 240 V AC, locking |
| DC Module | AD8CDC | AC, plus 10.9 – 14.8 V DC for redundant power |
What's Included
- AD8C combiner
- Locking power cable
- Locking power jumper cable
- 8 × BNC cables
- Ethernet cable
- Ethernet jumper cable
- Rackmount kit
Specifications
| Antenna Combiner | |
|---|---|
| Frequency Range | 470 – 960 MHz |
| RF Connectors | 8 x BNC inputs, 3 x BNC outputs |
| Configuration | Passive, 50 Ω |
| Insertion Loss | 4:1 −8 dB; 8:1 −12 dB, typical |
| Port-to-Port Isolation | Over 20 dB (25 dB typical) |
| RF Input | Peak 36 dBm (4 W); average 27 dBm (0.5 W) |
| AC Power | 100 – 240 V AC, 50 – 60 Hz, 0.68 A max |
| DC Power (AD8CDC) | 10.9 – 14.8 V DC, 3.3 A max |
| Dimensions | 44 × 482 × 385 mm (1.7 × 19.0 × 15.2 in), H x W x D |
| Weight | AD8C 3.8 kg (8.3 lb); AD8CDC 3.9 kg (8.7 lb) |
| Operating Temperature | −18 to 63 °C (0 to 145.4 °F) |
| Latest Specifications | Specifications are subject to change without prior notice. For current information, visit www.shure.com. |
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