- Description
Details
The ES4000A is an Expansion Station for the US2002 User Station. It interfaces 4 additional intercom channels to the US2002, and it provides talk, listen and call buttons for the 4 additional channels. There are also 4 additional program inputs on the back of the ES4000A, 1 for each added channel. Up to 4 ES4000A Expansion Stations may be connected to the US2002 to add up to 16 channels (18 channels total). The ES4000A typically utilizes the US2002 microphone and speaker (or microphone headset) for communication with the added channels. The ES4000A also has individual speaker outputs for independent monitoring of one or more of the 4 channels, if desired.
The US2002/ES4000A combination can be used as a simple, multi-channel intercom user station. In this configuration, the program inputs (and possibly the PA output of the US2002) are most likely not used, and the station operator has only talk, listen and call capability. It is also possible that advanced features of the US2002, such as Mic Kill Send, might be turned OFF. Alternatively, the US2002 / ES4000A can be used as a master station. In this application, one or more program inputs and the PA output may be connected, and the program signals to the intercom channels can be turned ON or OFF from the US2002. Additionally, the Mic Kill Send feature can be enabled, and microphones on any channels may then be turned OFF from the US2002.
- Features
Features
- Digi-Latch technology
- Backlit buttons
- Rack-mountable
- Mic kill
- Dedicated program inputs
- Clear-Com compatible
- Specification
Power Requirements Phantom Power 24 VDC nominal (12 to 30 VDC) Current 65 mA, quiescent; 150 mA maximum Environmental Requirements Storage -20°C to 80°C; 0% to 95% humidity, non-condensing Operating -15°C to 50°C; 0% to 95% humidity, non-condensing Intercom Channels, Balanced Mode (BAL / UNBALswitch set to BAL position) Output Level 1 Vrms nominal Input Impedance 300 Ω Bridging Impedance Greater than 10,000 ohms Sidetone -40 dB, 35 dB adjustable range Level 1.0 Vrms, ±2 dB (0 dBu nominal) Impedance 1000 ohms nominal Frequency Response (Channel to Speaker) 200 Hz to 8 kHz +1/-3 dB Total Harmonic Distortion Less than 0.5 % Color Black Dimensions (H x W x D) 1.75" (44.5 mm) x 8.19" (208 mm) x 10" (254 mm) Weight 1.3 lbs (0.59 kg) - Documents
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