Sennheiser A 2003-UHF Directional Antenna
Sennheiser·Model A 2003-UHF·sennheiser-a2003-uhf
About the Sennheiser A 2003-UHF
The A 2003-UHFThe TV-band radio range (roughly 470–608 MHz in the US) where serious wireless mics and IEMs live — better behaved than crowded 2.4 GHz. was the standard Sennheiser paddleA directional antenna (paddle, LPDA, helical) aimed at the stage — focuses coverage where the performers are and rejects RF from elsewhere. for two decades — the flat directional antenna hanging over half the world's monitor rigs, pointed at the stage for receive or fed from a combinerThe transmit-side twin of a distro: merges several IEM transmitters into one antenna without letting them intermodulate. for IEMIn-Ear Monitor — earpieces that replace floor wedges, feeding each player their own mix. The reason this whole rack exists. transmit. Passive, wideband across the full legacy 450–960 MHz UHF span, and reciprocal, it did both jobs with the same hardware. Sennheiser has discontinued it in favor of the ADP UHF, but so many are in circulation that used racks and installed rigs will carry them for years yet.
Passive directional paddleA directional antenna (paddle, LPDA, helical) aimed at the stage — focuses coverage where the performers are and rejects RF from elsewhere., 450–960 MHz, approx. 4 dB gainHow much the preamp amplifies the incoming signal. Too low and you’re hunting through hiss; too high and peaks clip., >14 dB front-to-back, ~100° apex angle, BNCThe twist-lock coax connector used for word clock and antenna runs — it locks, so it can’t be pulled out mid-show. (50 Ω). Discontinued — ADP UHFThe TV-band radio range (roughly 470–608 MHz in the US) where serious wireless mics and IEMs live — better behaved than crowded 2.4 GHz. is the current passive directional.
I/O Ports (1)
| Port | Connector | Direction | Signal | Channels |
|---|---|---|---|---|
| Antenna (BNC) | BNC | bidirectional | antenna | — |
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