WA-1822-Set-1 Portable Wireless Amplifiers ตู้ลำโพงเคลื่อนที่ ชุดลำโพง+ไมโครโฟนไร้สายแบบมือถือ TOA WA1822+WM5225+WTU4800
ประกอบไปด้วย
1. เครื่องขยายเสียงแบบกระเป๋าหิ้ว TOA WA-1822 = 1 เครื่อง
2. ไมโครโฟนไร้สายแบบมือถือ WM-5225= 1 เครื่อง รับส่งผ่านความถี่ UHF
3. เครื่องรับสัญญาณ WTU-4800 = 1 เครื่อง
The TOA WA-1822 is a portable meeting amplifier that can accept up to two optional wireless tuner modules (WTU-4800, WTU-3800) of UHF and VHF high band.
- * 0 dB = 1 V
Power Source |
230 V AC
Dry cells-8 pcs. (R20P or D size) |
Power Consumption |
AC: 44 W (rated output) |
Rated Output |
AC: 20 W (Max. 40 W with EXT SP.)
DC: 8 W |
Battery Life |
Dry cell battery: Approx. 12 hours |
Frequency Response |
70 Hz- 10 kHz (deviation 3 dB) |
Distortion |
Under 10 % (rated output) |
Input |
Wired mic: -48 dB*
AUX: -20 dB* |
Output |
External speaker: 8 - 16 Ω/over 20 W of rated input
" "Internal speaker and external speaker"or"external speaker only
(selectable)
Line/Rec: -10 dB* |
S/N Ratio |
Over 70 dB (rated output) |
Antenna |
Rod antenna |
Internal Speaker |
20 cm full range speaker + tweeter |
Operation Temperature |
AC: -10 ℃ to +50 ℃
DC: 0 ℃ to +40 ℃ |
Finish |
ABS resin |
Dimensions |
298 (W) × 460 (H) × 200 (D) mm |
Weight |
6 kg |
Accessory |
Power cord (2 m) …1 |
The TOA Wireless Tuner Module WTU-4800 is a PLL-synthesizer controlled double superheterodyne diversity tuner module designed to be used in conjunction with UHF wireless equipment. It employs a compressor-expander system noise reduction circuit to minimize the influence of ambient RF noise.
- (*1) 0 dB = 1 V
Power Requirement |
7 - 12 V DC |
Current Consumption |
100 mA |
Receiving Frequency |
576 - 865 MHz (*2), UHF |
Receiving System |
Double super-heterodyne |
Receiving Sensitivity |
80 dB or more, Signal to Noise Ratio (20 dBμV input, 40 kHz deviation) |
Antenna Input Impedance |
75 Ω |
Diversity System |
Space diversity |
Channel Selectable |
16 channels |
Squelch System |
Noise SQ |
Squelch Sensitivity |
17 dBμV |
Output |
0 dB (*1) (maximum deviation, 2.2 kΩ load) |
Harmonic Distortion |
1% or less |
Frequency Response |
100 Hz - 12 kHz, ±3 dB |
Operating Temperature |
-10 ℃ to +50 ℃ (14 F゜ to 122 F゜) |
Operating Humidity |
30 % to 85 %RH (no condensation) |
Finish |
Surface-treated steel plate |
Dimensions |
60 (W) × 25 (H) × 139 (D) mm (2.36" × 0.98" × 5.47") |
Weight |
130 g (0.29 lb) |
Accessory |
Driver for channel changing……1 |
The WM-5225 Wireless Microphone employs an electret condenser microphone capsule and is suitable for any applications. Thanks to the PLL-synthesizer system, 64 different operating frequencies are made available. A high output power ensures stable radio signal transmission.
Microphone Element |
Electret condenser microphone unit: Unidirectional |
Modulation |
Frequency modulation |
Frequency Range |
576 - 937.5 MHz*, UHF |
Channel Selectable |
64 channels (the number of channels may differ from country to country) |
RF Carrier Power |
Less than 50 mW (Factory preset 10 mW ERP) |
Tone Frequency |
32.768 kHz |
Oscillator |
PLL synthesized |
Maximum Input Level |
126 dB SPL |
Maximum Deviation |
±40 kHz |
Audio Frequency Response |
100 Hz - 15 kHz |
Dynamic Range |
95 dB or more (with WT-5800) |
Battery |
WB-2000 (WB-2000-2 contains 2 pieces) rechargeable battery (option)
or AA alkaline dry cell battery |
Battery Life |
Approx. 13 h (when the WB-2000 rechargeable battery is used)
Approx. 10 h (when the alkaline battery is used) |
Indicator |
Power/Battery lamps |
Antenna |
Built-in type |
Operating Temperature |
-10 ℃ to +50 ℃ (14 ゜F to 122 ゜F) (except battery) |
Operating Humidity |
30 % to 85 %RH (no condensation) |
Finish |
Resin, coating |
Dimensions |
φ43.6 x 231.5 mm (φ1.72" × 9.11") |
Weight |
180 g (0.4 lb) (with battery) |
Accessory |
Microphone holder W3/8" (with stand adapter) …1,
Screw driver …1, Storage case …1 |