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 |
