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System and Receiver Specifications
System VHF UHF
RF Carrier Frequency Range* 169.445 to 240.000 MHz 596 to 865 MHz
Operating Range Under Typical Conditions 100 m (328 ft) 100 m (328 ft)
Audio Frequency Response 50 to 15,000 Hz, ±3 dB 20 to 16,000 Hz, ±3 dB
Image Rejection > 60 dB typical > 75 dB typical
Spurious Rejection > 60 dB typical > 75 dB typical
System Distortion (ref. + 45 kHz deviation, 1 kHz modulation) 0.1% THD typical
System Distortion (ref. + 15 kHz deviation, 1 kHz modulation) 0.1% THD typical
Signal/Noise Ratio 100 dB 100 dB
Sensitivity -109 dBm for 12 dB SINAD
typical
-110 dBm for 12 dB SINAD
typical
Maximum Recommended Input Level
(UT1 - attenuation switch at -20 dB - gain at minimum)
+3 dBV +32 dBV
Minimum Recommended Input Level
(UT1 - attenuation switch at 0 dB - gain at maximum)
-80 dBV -80 dBV
Operating Temperature Range** -18° to 57° C (0° to 135° F) -29° to 74° C (-20° to 165° F)
Battery Life 18 hours with 9 V alkaline
battery
12 hours with 9 V alkaline
battery
Receiver T4A (VHF) UT4A (UHF)
Maximum Output Levels 3-Pin XLR -10 dBV Line: +10 dBV
Mic: -10 dBV
1/4” phone plug +5 dBV +4 dBV
Nominal Output Levels 3-Pin XLR -30 dBV Line: -26 dBV
Mic: -46 dBV
1/4” phone plug -8 dBV -32 dBV
Output Configuration 3-Pin XLR Active Balanced Active Balanced
1/4” phone plug Unbalanced Unbalanced
Actual Impedance 3-Pin XLR 3.3 kΩ Line: 50Ω
Mic: 2.5 kΩ
1/4” phone plug 3.3 kΩ 1 kΩ
Connector Pin Assignments 3-Pin XLR Pin 1: ground • Pin 2: hot • Pin 3: cold
1/4” phone plug Tip: hot • Sleeve: ground
Dimensions 197.1 mm W x 41.9 mm H x 153.2 mm D (7.76 W x 1.65 H
x 6.03 D)
Weight 470 g (16.04 oz.)
Power Requirements 12-18 Vdc nominal, 200mA
Power Supply 120 V or 230V ac adaptor with 2.1 mm female plug
Voltage/Current/Phantom Power Protection Yes
*Available frequencies depend on applicable regulations in country where system is used
**Battery characteristics may limit this range.
T4A: Approved under the Declaration of Conformity (DoC) provision of FCC Part 15. Certified by IC in Canada under RSS-123 (IC: 616A-T4A).
UT4A: Approved under the Declaration of Conformity provision of FCC Part 15. Certified by IC in Canada under RSS-123 (IC: 616A-UT4A).
T4A and UT4A Receivers meet the essential requirements of the European R&TTE Directive 99/5/EC and are eligible to carry the CE marking.
Power supply meets the following safety standards:
PS20 Power Supply: UL 1310, CAN/CSA 22.2 No. 223
PS20E Power Supply: IEC/EN60065, 6th Edition: 1998
PS20J Power Supply: Meets DENTORI 91–49851
PS20UK Power Supply: IEC/EN60065, 6th Edition: 1998
Note: PS20E and PS20UK power supplies meet the requirements of European Low Voltage Directive 73/23/EEC.