Sennheiser A 1031-U Omnidirectional Antenna
Sennheiser·Model A 1031-U·sennheiser-a1031u
Photos
Manufacturer product photography — the drawn faceplate above stays true to panel layout; these show the hardware itself.
About the Sennheiser A 1031-U
The A 1031-U is Sennheiser's workhorse remote antenna: a passive omnidirectional blade that gets the receive point off the rack rear and up where it can see the stage. Its 450–960 MHz span covers every evolution wireless band Sennheiser ever shipped, so the same antenna serves G3, G4, and Digital 6000 racks without a band-match spreadsheet. Rated to 10 W of RFRadio Frequency — the wireless part of wireless. RF planning is why big rigs scan, coordinate, and combine antennas instead of hoping. input, it also stands in as a transmit antenna on modest IEMIn-Ear Monitor — earpieces that replace floor wedges, feeding each player their own mix. The reason this whole rack exists. rigs — one spare in the workbox covers a lot of failure modes.
Passive omnidirectional blade, 450–960 MHz, 0 dB gainHow much the preamp amplifies the incoming signal. Too low and you’re hunting through hiss; too high and peaks clip., BNCThe twist-lock coax connector used for word clock and antenna runs — it locks, so it can’t be pulled out mid-show. socket (50 Ω, max 10 W input). 5/8" thread with 3/8" adapter. The evolution-series remote whipThe stock quarter-wave stick antenna that screws straight onto a receiver — fine for a channel or two in a small room..
I/O Ports (1)
| Port | Connector | Direction | Signal | Channels |
|---|---|---|---|---|
| Antenna (BNC) | BNC | bidirectional | antenna | — |
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