Miniature Headset Station (Beltpack), 2 Circuit, Switchable A or B The BP1SL is a modified BP1 that can switch between two circuits. It can only communicate with one at a time. However is has a unique feature allowing both signal lamps to work at all times. If you are using circuit A and someone is trying to contact you from circuit B, the circuit B signal lamp will light, and vice/versa. The circuit connection XLRs on the back are both female, so you cannot loop-through to the next station as you can on a BP1, without the use of a simple Y-cable or SB1 Splitter box. Performance: The BP1SL is designed to be connected to two different circuits, but may only communicate with one at a time. When the user is connected to either circuit, the signal lamp for the other is still active. The BP1SL portable headset station may be worn on the belt or hung on the wall by its sturdy belt-clip. Soft plastic strips on the underside help hold it in place when set on top of a console. The matte black finish minimizes visibility. Frequency response has been carefully shaped to optimize both intelligibility and long-term listening comfort. A mic limiter circuit reduces overload distortion. The high bridging impedance ensures that system and sidetone levels do not vary as other stations are switched in and out of the circuit. The top (front) panel contains controls for switching the microphone on and off, for controlling listening level, for signaling, and for switching between circuits A and B. The are easily identifiable by touch. A recessed, screwdriver-adjust control is provided for varying the level of the user's voice to be heard in his own earphone (sidetone). A pair of long-life, extremely bright, red LEDs serve as the signal lights. The bottom panel provides one 3-pin female XLR for connection to each circuit, and a 4-pin male XLR for connection of any standard communications headset with a dynamic microphone. Durability: The ribbed, extruded aluminum case; glass-filled nylon end bezels; internal support system for the PC board; best quality XLR connectors, and; recessed controls, all contribute to the outstanding ability of the BP1SL to withstand rough usage. Value: The comparatively low price of the BP1SL is made possible by the minimized assembly cost resulting from simplicity of construction. Simple construction also affords the use of higher quality components, and increases the ease (thus lowering the cost) of servicing. Compatibility: The BP1SL is plug-in compatible with Clear-Com and other popular headset intercom systems. Specifications: Power requirement: 24~30VDC, 10 mA quiescent, 30mA max. (with signal lamp lit) Headphone output: 8~4K ohm acceptable, 200 ohm ideal Microphone input: 200 ~ 600 ohm Dynamic Sidetone rejection: >50dB Audio bridging impedance: 200 ohm unbalanced Size: 3.70 x 4.30 x 2.50 in. (93.98 x 109.22 x 63.5 mm) Weight: 13.5 oz. (0.385Kg>)
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