User manual SENNHEISER SI20-R DATASHEET

[. . . ] SI20R/SZI30R SI 20-R/SZI 30R Two Channel IR Modulator & Remote Emitter The SI 20-R two-channel, 95/250 kHz, wideband infrared modulator is a single rack-space unit that can drive up to eight SZI-30R emitter panels for up to 6, 000 sq. [. . . ] Just plug and go · Internal power supply (SI 20-R) Front view of SI 30/SZI 30 Technical Data Carrier frequencies Number of diodes Coverage area (mono/stereo) Input sensitivity Power requirements Input connectors Output connectors Weight Dimensions in inches 95/250 kHz switchable 12 750/375 sq. 40 mV­20 V w/ Automatic Gain Control 110 V AC 1/4" unbalanced line level, (2) phone jacks 5-pin, lockable, Pre H connectors and (2) BNC approx. 9 x 1. 75 x 8 Product Variants Back view of SZI 30 IR package to cover 1500/750 sq. in single/ two channel mode SI 20-1500 SI 20-2250 SI 20-3000 SI20R/SZI30R SI20R/SZI30R Supplied Accessories 1 power cord for 110V AC outlet 1 SZI 30 RA remote adapter and (2) pre H connectors for SZI 30 Required Components SZI 30 RA Mounting clamp (one required for each SI30 and SZI30) Coax cable with twisted pair (Belden 8734) to connect SI20-R to SZI30-R, 6" IZK20 ICC 20-R Optional Accessories Mounting hardware for clusters of 2 to 4 SI30 and SZI30 Wall/ceiling mount, 5/8" thread Adapter, 5/8" to 3/8", for mounting a single SI30 or SZI30 Omni-directional ball joint wall mount & flange Floor stand IZM 20 WM1 MZA216 GZG1029 & GZP10 SEMS3000 Compatible Accessories Single channel stethophone receiver, 95kHz Polar pattern of the SI 20-R/SZI 20 Single channel stethophone receiver, 250kHz Two channel stethophone receiver Charger and power supply for 10 batteries Charger and power supply for 20 batteries Charger and carrying case for 20 batteries Spare rechargeable batteries Latex replacement ear cushions Foam replacement ear cushions RI100-A/RI100-J HDI91-P2 H200 L92-10 and NT92-120 L92-20 and NT92-120 HC101 BA90 NiMH EP405L EP405F Two channel stethophone receiver with squelch HDI92-P Coverage area of the SI 20-R / SZI 20 Architect's Speci cations The unit shall be a 2-Channel IR modulator & remote filter with 12 diodes. [. . . ] For comparison purposes, the coverage of a single SZI 30 is shown at 30°. [. . . ]