*1May not included with the unit marketed in your country. In this case, prepare it locally. Please consult your
TOA dealer in advance for details of the adapter.
*20 dB = 1 V
Note: The design and specifications are subject to change without notice for improvement.
• Accessories
AC-DC adapter*1........................................ 1
Rod antenna ............................................... 2
Rubber foot ................................................ 4
• Optional products
Antenna: YW-4500
Mounting bracket kit: MB-WT3 (for rack mounting one WT-4820 unit)
MB-WT4 (for rack mounting two WT-4820 units)
Power Source AC mains (an AC-DC adapter*1must be used.)
Power Consumption 250 mA (12 V DC, when operating with two tuner modules)
Receiving Frequency 690 – 870 MHz, UHF
Mixing Input –20 dB*2, 10 kΩ, unbalanced, phone jack
Audio Output Mixing/Solo 1 (selectable):
–20 dB*2(+6 dB*2Max.), 600 Ω, unbalanced, phone jack
–14 dB*2(+12 dB*2Max.), 600 Ω, balanced, XLR-3-31 type connector
Solo 2: –20 dB*2(+6 dB*2Max.), 600 Ω, unbalanced, phone jack
Antenna Input 75Ω, BNC (phantom powering for antenna), 9 V DC, 30 mA (max)
Antenna Output 75Ω, BNC (Gain 0 dB)
Indicator ANT A/B, Audio (peak), Power
S/N Ratio Over 102 dB (A-weight, balanced output)
Harmonic Distortion Under 1%
Frequency Response 50 – 18,000 Hz, ±3 dB
Operating Temperature –10°C to +50°C
Finish Resin, black
Dimensions 210 (w) x 44 (h) x 181 (d) mm
Weight 770 g (without tuner module)
Printed in Taiwan
133-07-228-20
11. SPECIFICATIONS
Rubber foot
(supplied with unit)
010010
ANT A
ANT B
PEAK
VOLUME
CHANNEL
TUNER
1
ANT A
ANT B
PEAK
VOLUME
CHANNEL
TUNER
2
ON
OFF
POWER
DIVERSITY WIRELESS TUNER WT-4820

10.2. Desktop Mounting

Attach the 4 supplied rubber feet to the bottom surface
of the unit when installing the unit on the desk.