TOA EV-20R Sound Repeater

Product Overview

The EV-20R is a convenient addition to sites where the same message or music is repeatedly broadcast. Up to 4 types of music and messages (6 minutes total time) can be recorded and played back. The USB port facilitates recording by transferring the supplied sound sources from a PC to the unit. The unit's small built-in amplifier enables small-scale broadcasts through a simple speaker connection.

Features

  • Dedicated file management software is supplied with the product.
  • Audio file library is available on the supplied CD-ROM.
  • Customized WAV files can be uploaded.
  • Direct recordings can be done by front panel operation.
  • Instant playback by front switch operation.
  • Dry contact inputs are available to play and stop audio files by external devices such as sensors, program timers or manual switches
  • Repeat audio files as set by the built-in interval TIMER.
  • Up to 4 different messages can be stored in a built-in flash memory and played back.
  • The maximum total recording time for the 4 messages is 6 minutes.
  • Recorded data is not compressed, ensuring high quality sound output.
  • Automatic Gain Control (AGC) can make recording audio levels uniform.
  • An incorporated 3 W/ 8 Ω power amplifier allows direct connection with a low-impedance speaker.
  • A USB interface permits audio data to be transferred from a PC with software.
  • Live broadcasts can be made without recording by using a microphone or an audio player.

Specifications

Power Source
Supplied from an external 24 V DC/400 mA power supply or from an optional AD-246 AC adapter or its equivalent
Power Consumption
10 W (rated output)
Wave Format
44.1 kHz sampling frequency, 16-bit PCM (monaural)
Frequency Response
20 Hz - 20 kHz ±3 dB (1 kHz) 50 Hz -14 kHz ±3 dB (IT-450 mounted, 1 kHz)
Distortion
1% or less (1 kHz, rated output)
Recording System
USB data transfer or analog recording
Control Input
Play 1 - 4, stop: No-voltage make contact input, pulse make length: 200 ms, open voltage: 30 V DC, short-circuit current: 10 mA, removable terminal block (22 pins)
Control Output
Busy: Contact capacity: 30 V DC/0.5 A, removable terminal block (22 pins)
Input
Input/Recording input: Mic: –60 dB(*1), 2.2 kΩ / Line: -20 dB(*1), 10 kΩ, (Mic/Line changeable), unbalanced, phone jack Line input: 0 dB(*1), 10 kΩ, unbalanced, removable terminal block (22 pins)
Output
Line output: 0 dB(*1), 600 Ω, unbalanced, removable terminal block (22 pins) Headphone output: 0 dB(*1), 100 Ω, unbalanced, phone jack Speaker output: 3 W, 8 Ω, removable terminal block (22 pins)
Maximum Number of Messages
4 Pre-recorded audio data: Message 1. Westminster chime (*2) Message 2, Ascending 4-tone chime(*2) Message 3, Descending 4-tone chime(*2) Message 4, None Note: The above audio sources can be overwritten by using the supplied software.
Maximum Recording Time
6 minutes
Message Delay Time
0, 2 s, or 4 s (selectable)
Playback Interval Time
∞, 0, 5 s, 10 s, 30 s, 1 min, 5 min, 10 min, 30 min, or 1 h (selectable)
LED Indicator
POWER, USB, START/STOP 1 - 4
Operating Humidity
90 %RH or less (no condensation)
Finish
Case: ABS resin, black
Dimensions
210 (W) x 44.2 (H) x 181 (D) mm (excluding projection)
Weight
730 g
Included Accessories
CD-ROM (USB data transfer software and sample chimes recorded) x 1, Unbalanced-phone plug x 1, USB cable (1 m) x 1, Removable terminal plug (22 pins) x 1, Rubber foot x 4
Optional Accessories
Rack mounting bracket: MB-WT3 (for rack mounting one EV-20R unit), MB-WT4 (for rack mounting two EV-20R units) AC adapter: AD-246