Specifications

AUDIO
EQUIPMENT
–309–
4 UHF Synthesized Wireless Microphone System
Specifications
WRT-830A WRT-810A WRT-807A
Oscillator Crystal controlled PLL synthesizer Crystal controlled PLL synthesizer Crystal controlled PLL synthesizer
Type of Emission 110KF3E 110KF3E 110KF3E
RF Power Output 10 mW or 2.5 mW selectable 10 mW or 2.5 mW selectable 10 mW (50 Ω load)
Antenna
1
⁄4 wave length whip antenna
1
⁄4 wave length whip antenna
1
⁄4 wave length wire antenna
Reference Deviation ±5 kHz ±5 kHz ±5 kHz (94 dB SPL*
1
, 1 kHz)
Frequency Response 70 to 15,000 Hz 100 to 13,000 Hz 50 to 15,000 Hz
Signal-to-noise Ratio 60 dB (A-weighted) 60 dB (A-weighted) More than 60 dB (A-weighted)
Attenuator Adjustment Range (PAD) 12 dB, variable in 3 dB steps 21 dB, variable in 3 dB steps 21 dB, variable in 3 dB steps
Max. Input Sound Pressure Level 142 dB SPL (w/12 dB attenuator) 151 dB SPL (w/21 dB attenuator) 151 dB SPL (at 1 kHz)
(0 dB SPL=2 x 10
-5
Pa.)
Max. Input Level — — —
(0 dBV=1 Vr.m.s.)
Reference Input Level — — —
(0 dBV=1 Vr.m.s.)
Input Connector — — —
Microphone Capsule Electret condenser Dynamic Dynamic
Directivity Uni-directional Uni-directional Uni-directional
Operating Voltage DC 3 V, AA-size (LR6) alkaline battery (× 2) DC 3 V, AA-size (LR6) alkaline battery (× 2) DC 1.5 V, AA-sized (LR6) alkaline battery (× 1)
Power Consumption 170 mA 170 mA 170 mA
Battery Life Approx. 8 hours w/(LR6) Approx. 8 hours w/(LR6) Approx. 5 hours w/ (LR6)
AA-size alkaline battery (× 2) AA-size alkaline battery (× 2) AA-size alkaline battery (× 1)
Dimensions (W × H × D) 48 mm dia. × 238 mm 48 mm dia. × 238 mm 51 mm × 238 mm
(1
15
⁄16 inches dia. × 9
3
⁄8 inches) (1
15
⁄16 inches dia. × 9
3
⁄8 inches) (2
1
⁄8 × 9
3
⁄8 inches)
Mass 300 g (10.5 oz) w/batteries 300 g (10.5 oz) w/batteries 440 g (15.5 oz) w/battery
Supplied Accessories Microphone holder (PF
1
⁄2-inch thread, × 1) Microphone holder (PF
1
⁄2-inch thread, × 1) Microphone holder (PF
1
⁄2-inch thread, × 1)
U: Stand screw adaptor (PF
1
⁄2 to NS
5
⁄8, × 1) U: Stand screw adaptor (PF
1
⁄2 to NS
5
⁄8, × 1) U: Stand screw adaptor (PF
1
⁄2 to NS
5
⁄8, × 1)
AU: Stand screw adaptor (PF
1
⁄2 to NS
5
⁄8, × 1), AU: Stand screw adaptor (PF
1
⁄2 to NS
5
⁄8, × 1), AU, CE: Stand screw adaptor (PF
1
⁄ 2 to W
3
⁄ 8 , × 1)
Stand screw adaptor (PF
1
⁄2 to W3/8, × 1) Stand screw adaptor (PF
1
⁄2 to W
3
⁄ 8 , × 1) Channel color seal (CE, x 1)
WRT-822A WRT-805A WRT-808A
Oscillator Crystal controlled PLL synthesizer Crystal controlled PLL synthesizer Crystal controlled PLL synthesizer
Type of Emission 110KF3E 110KF3E 110KF3E
RF Power Output 10 mW 10 mW (50 Ω load) 50 mW or 100 mW selectable
Antenna
1
⁄4 wave length whip antenna
1
⁄4 wave length wire antenna Internal antenna
Reference Deviation ±5 kHz (-60 dBV*
2
, 1 kHz input) ±5 kHz (-60 dBV*
2
, 1 kHz Input)*
3
±5 kHz (-60 dBV*
2
, 1 kHz Input)*
3
Frequency Response 70 to 15,000 Hz 70 to 15,000 Hz 70 to 15,000 Hz
Signal-to-noise Ratio 60 dB (A-weighted) 57 dB (A-weighted) More than 57 dB (A-weighted)
Attenuator Adjustment Range (PAD) 0 to 21 dB, variable in 3 dB steps 21 dB, variable in 3 dB steps 0 to 50 dB, continuous
Max. Input Sound Pressure Level — — —
(0 dB SPL=2 × 10
-5
Pa.)
Max. Input Level +7 dBV +17 dBV (-40 dBV position, attenuator 21 dB) 26 dBV*
2,
*
4
(0 dBV=1 Vr.m.s.)
Reference Input Level -60 dBV (at attenuator 0 dB)
-40 dBV (±16 kHz deviation at 1 kHz modulation) *
5
—
(0 dBV=1 Vr.m.s.) -60dBV (±5 kHz deviation at 1 kHz modulation) *
5
Input Connector SMC9-4S 3.5 mm (5/32 inch) dia. 3-pole XLR-3-11 type
mini phone jack with lock mechanism
Microphone Capsule — — —
Directivity — — —
Operating Voltage — DC 1.5 V, AA-size (LR6) alkaline battery (× 1) 3 V, AA-size (LR6) alkaline battery (× 2)
Power Consumption 175 mA 170 mA 170 mA
Battery Life Approx. 8 hours w/(LR6) Approx. 6 hours w/(LR6) Approx. 4 hours w/(LR6)
AA-size alkaline battery (× 2) AA-size alkaline battery (× 1) AA-size alkaline battery (× 2)
Dimensions (W × H × D) 63 × 103 × 17 mm 58 × 93 × 21 mm 40 × 40 × 108 mm
(2
1
⁄2 × 4
1
⁄8 ×
11
⁄16 inches) (2
3
⁄8 × 3
3
⁄4 ×
27
⁄32 inches) (1
5
⁄8 × 1
5
⁄8 × 4
3
⁄8 inches)
Mass 145 g (5.1 oz) w/batteries 100 g (3.5 oz) w/battery 175 g (6.18 oz) w/battery
Supplied Accessories Soft case (× 1) Channel color seal (× 1, CE) Soft case with a belt clip (× 1)
*
1
0 dB SPL=2 x 10
-5
Pa.
*
2
0 dBV=1 Vr.m.s.
*
3
Attenuator level: -60 dB position
*
4
Attenuator level: -10 dB position
*
5
Input level switch: -60 dBV position at attenuator 0 dB
For specifications of lavalier microphones, please refer to page 299.