| Specification | LT-84 |
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Audio |
| Frequency Response | 20 Hz - 20 kHz (+/- 1 dB) Line Input63 Hz - 15 kHz (+/- 3 dB) System Specification (wireless end-to-end with LR-44) | | Signal-to-Noise Ratio | > 70 dB (SNR) Line Input> 60 dB (SNR) System Specification (wireless end-to-end with LR-44) | | Microphone Input | Two (2) 3.5 mm (0.14 in.) Tip/Sleeve connector, -30 dBu nominal input, +14 dB headroom, impedance 4.4k Ohms, 5 VDC bias supply | | Total Harmonic Distortion | < 0.1% (THD) Line Input< 2% (THD) System Specification (wireless end-to-end with LR-44) | | Unbalanced Line Input | Stereo/Mono Input. Two (2) Dual (RCA) Phono connectors, unbalanced, -10 dBu nominal input, +14 dB headroom, impedance 10k Ohms | | Balanced Line Input | Mono Input. Two (2) Phoenix Type connector, balanced, + 4 dBunominal input, +14 dB headroom, impedance 100k Ohms |
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Controls |
| Power Switch | Three (3) position switch - Power OFF, Power ON-Indicator Lights OFF, Power ON-Indicator Lights ON | | Carrier Frequency Selection | Two (2), four (4) position rotary switches (2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz) | | Level Control Knob | Two (2) audio taper rotary potentiometer, counter-clockwise decreases input mix level, clockwise increases input mix level |
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Indicators |
| Power Supply LED | Green LED on in-line power supply indicates AC power is applied | | Audio Level Indicators | Two (2) Green LEDs, two (2) Red LEDs, Green LED indicates Audio presence and Red LED indicates peaks in the audio | | RJ-45 Amber LED | Solid Amber indicates carrier is present and IR is being transmitted | | RJ-45 Green LED | Solid Green indicates power is applied to unit, flashing indicates unit has entered power save mode |
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RF |
| Carrier Frequencies | 2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz, Selectable | | Number of Channels | Two (2) channels, Selectable carrier frequency | | Frequency Accuracy | +/- .005% stability 0 to 50 °C | | Transmitter Stability | 50 PPM | | Modulation | FM Wideband, ±50kHz deviation max, 50 ?S pre-emphasis | | Power Save Mode | Carrier will shut off when no audio is present for 15 minutes on both channels to preserve radiator life | | Expansion Link Output | Two (2) RJ-45 connectors - Provides RF Signal and Power, CAT-5e cable 24 AWG, 100 ft. maximum cable length, two (2) LA-141s per output connector |
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IR |
| Coverage Area | 2,787 m² (30,000 ft²) single channel with LR-4200-IR/LR-5200-IR receivers or 697 m² (7,500 ft²) single channel with LR-42/LR-44 receivers | | IR Emitter Power | 1.49 W |
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Power |
| Power Supply Input | 100-240 VAC, 50-60 Hz | | Power Supply Output | 12 VDC, 4 A, 48 W | | Power Supply Connector | 2.5 mm ID barrel connector, center positive | | Power Output | Two (2) RJ-45 connectors. providing Power and RF signal for up to two (2) LA-141 expansion radiators on each output | | Power Supply Type | In-line switching mode power supply, Listen part number LA-210 | | Power Supply Line Cord | IEC line cord, North America Type B (LT-84-01), Asia and UK Type G (LT-84-02), Euro Type C (LT-84-03), Australia Type I (LT-84-04) |
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Physical |
| Color | Black with White Silk Screening | | Unit Weight with Power Supply | 1.8 lbs. (0.8 kg) | | Shipping Weight | 3.4 lbs. (1.54 kg) | | Mounting | Can be mounted on a wall, ceiling, or table with provided hardware (screws and hollow wall anchors not provided). Optional LA-347 Wall Box Mounting Plate is available for mounting to a standard single gang electrical box. | | Dimensions (H x W x D) | 1.5 x 10.7 x 4.1 in. (3.81 x 27.2 x 10.5 cm) | | Unit Weight | 0.8 lbs. (0.4 kg) |
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Environmental |
| Temperature - Operation | 14 °F (-10 °C) to +104 °F (40 °C) | | Temperature - Storage | -4 °F (-20 °C) to +122 °F (50 °C) | | Relative Humidity | 0 to 95% relative humidity, non-condensing |
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Compliance |
| Standards | FCC part 15, ICS-03, CE, UL, CUL, C-Tick, CCC, PSE, KC, GS, RoHS, WEEE | | Power Supply Compliance Marks | CUL, UL, CE, CCC, C-Tick, KC, PSE, GS, FCC, RoHS |
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