TOA / VA-122 Indoor PA Amplifier

The TOA VA-122 is a slim, lightweight, 120W high-impedance wall-mounted amplifier for indoor use that can be installed on walls or other surfaces without taking up much space. It features two microphone inputs, three auxiliary inputs, and a 5-channel speaker selector (individual and group switching available). Up to two diversity tuner units (sold separately) can be incorporated, allowing for the use of two wireless microphones.

Indoor PA Amplifier, 120W, 10kg

■Power Supply

AC 100V 50/60Hz M4 screw terminal

■Rated Output

120W

■Power Consumption

85W (according to the Electrical Appliances and Materials Safety Act)

210W (at rated output)

■Inputs

Telephone Paging: 5 kΩ -12 dB* Unbalanced M3 screw terminal

Remote Microphone: 600 Ω -12 dB* Balanced M3 screw terminal

Input 1: 600 Ω -66 dB*/-12 dB* (switchable) Balanced M3 screw terminal

Input 2: 600 Ω -66 dB* Balanced M3 screw terminal/Horn jack

Spare 1: 5 kΩ -12 dB* Unbalanced M3 screw terminal

Spare 2: 5 kΩ -12 dB* Unbalanced M3 screw terminal/RCA pin jack

Spare 3: 5 kΩ 0 dB* Unbalanced M3 screw terminal

Broadcast priority setting for input 1 via priority control input

■Output

Speaker output: High impedance line M3.5 screw terminal

100 series output can be changed to 70 series output via internal switching

5-station speaker selector: Individual, group, broadcasting possible to 5 systems each (normal and emergency simultaneous broadcasting possible)

Line output: 600 Ω 0 dB* Unbalanced M3 screw terminal

■Distortion

0.5% or less (1 kHz rated output)

■Frequency response

50 Hz to 20 kHz ±3 dB (at line level input rated output)

■Sound quality adjustment

±10 dB or more at 100 Hz and 10 kHz

■S/N ratio

60 dB or higher

■ Control Input

Priority (Power Remote, Emergency Broadcast), Telephone Paging (Power Remote, Emergency Broadcast), Broadcast Remote (Power Remote, Emergency Broadcast), Communication, Emergency Cut (DC 24V Break)

Open Circuit Voltage: DC 15V, Short Circuit Current: 3mA or less

Emergency broadcast can be changed to normal broadcast or group selection depending on the settings.

■ Built-in Chime

Ascending 4 tones, descending 4 tones, ascending 4 tones, 2 tones, 1 tone (Switchable, with front volume control)


Functions

Group/Individual Broadcast Switching Switch, Automatic Speaker Line Switching, Announcement Microphone

■ Operating Temperature Range

-10℃ to +40℃

■ Finish

Panel: Surface-treated steel plate, Cool Gray (Munsell 6.3Y8.9/0.4 approximate color) paint

Case: Surface-treated steel plate Cool Gray (Munsell 6.3Y8.9/0.4 approximate color) paint

■Dimensions

355 (W) x 439 (H) x 120 (D) mm (excluding protrusions)

■Weight

10.7 kg (including amplifier unit (3.7 kg))

■Accessories

Marking sticker…1, Edge guard…1, Template…1, Amplifier unit mounting screws…4

■Optional accessories

Wall-mounted amplifier integrated radio tuner: VA-20

Diversity tuner unit: WTU-1820 (analog), WTU-D2800 (digital)

*For wireless microphones, please use the analog method with WTU-1820 and the digital method with WTU-D2800.

*Barrier spacing of the above screw terminals…M3: 6.2 mm, M3.5: 7.3 mm, M4: 8.7 mm