| { "EM 300-500 G4" : { "Frequency range" : { "AS" : "520 - 558 MHz", "K+" : "925 - 937,5 MHz", "JB" : "806 - 810 MHz", "GBw" : "606 - 678 MHz", "Gw" : "558 - 626 MHz", "Bw" : "626 - 698 MHz", "Cw" : "718 - 790 MHz", "Dw" : "790 - 865 MHz", "Aw+" : "470 - 558 MHz", "Gw1" : "558 - 608 MHz" }, "Dimensions" : "Approx. 202 x 212 x 43 mm", "Compander" : "Sennheiser HDX", "THD, total harmonic distortion" : "≤ 0.9 %", "Weight" : "Approx. 980 g", "Audio output" : { "6.3 mm jack socket (unbalanced)" : "+12 dBu ", "XLR socket (balanced)" : "+18 dBu" }, "Signal-to-noise ratio" : "≥ 115 dBA", "Switching bandwidth" : "up to 88 MHz", "Peak deviation" : "± kHz", "Nominal deviation" : "± kHz", "Modulation" : "Wideband FM", "Power supply" : "12 V DC", "Antenna connector" : "2 BNC sockets", "Current consumption" : "350 mA", "Adjacent channel rejection" : "Typically ≥ 75 dB", "Intermodulation attenuation" : "Typically ≥ 70 dB", "Receiving frequency" : "Max. 3520 receiving frequencies, adjustable in 25 kHz steps, 20 frequency banks, each with up to 32 factory-preset channels, no intermodulation, 6 frequency banks with up to 32 programmable channels", "RF sensitivity" : "< 2.5 µV for 52 dBA eff S/N", "Squelch" : "5 to 25 dBµV in steps of 2 dB", "Equalizer" : { "Preset 1" : "Flat", "Preset 2" : "Low Cut (-3 dB at 180 Hz) ", "Preset 3" : "Low Cut/High Boost (-3 dB at 180 Hz, +6 dB at 10 kHz) ", "Preset 4" : "High Boost (+6 dB at 10 kHz)" }, "Temperature Range" : "-10 ° to +55 °", "Receiver Principle" : "True diversity", "Blocking" : "≥ 75 dB" }, "SK 300 G4" : { "Dimensions" : "Approx. 82 x 64 x 24 mm", "Compander" : "Sennheiser HDX", "THD, total harmonic distortion" : "≤ 0.9 %", "Weight" : "(incl. batteries) approx. 160 g", "Signal-to-noise ratio" : "≥ 115 dBA", "RF output power" : { "switchable" : { "Low" : "typ. 10 mW", "Standard" : "typ. 30 mW", "High" : "typ. 50 mW" } }, "Switching bandwidth" : "up to 88 MHz", "Peak deviation" : "± kHz", "Nominal deviation" : "± kHz", "Operating time" : "Typically 8 h", "Modulation" : "Wideband FM", "Power supply" : "2 AA batteries, 1.5 V or BA 2015 accupack", "Current consumption" : { "at nominal voltage" : "typ. 180 mA ", "with transmitter switched off" : "≤ 25 µA" }, "Input impedance" : "40 kΩ, unbalanced / 1 MΩ", "Max. Input voltage" : "3 Veff", "Powering" : "3 V battery / 2.4 V rechargeable battery", "Transmission frequency" : [ "Max. 3520 frequencies, adjustable in 25 kHz steps", "20 frequency banks, each with up to 32 factory-preset channels, no intermodulation", "6 frequency banks with up to 32 programmable channels" ], "AF frequency response" : { "Mic" : "80 — 18,000 Hz", "Line" : "25 — 18,000 Hz" }, "Temperature Range" : "-10 ° to +55 °", "Frequency stability" : "≤ ±15 ppm" } } |