เครื่องขยายเสียง ยี่ห้อ TOA รุ่น VM-2120 H
- Programmable system management amplifier
- 120 W
- 5 switchable high impedance speaker zones with adjustable attenuators
- 9 units can be combined to increase the output power and number of zones
- 4 input channels come with volume and bass/ treble control on the front panel
- Both BGM inputs with level pre-adjustment
- The routing to the zones of the 3 microphone/ line level inputs and the telephone paging input can be pre-set
- Emergency power input, remote power control, 4 built-in chimes etc.
| Power Source | AC: 230 V DC: 24 V/7.5 A Applicable cable diameter: AWG22 – AWG14 |
| Power Consumption on AC Mains | With no signal present: 37 W Under normal operating conditions according to EN60065: 1998 sec. 4.2: 107 W With rated output signal: 201 W |
| Current Consumption on 24 V DC Power Input | With no signal present: 0.7 A Under normal operating conditions according to EN60065: 1998 sec. 4.2: 2.1 A With rated output signal: 5.2 A |
| Rated Output | 120 W |
| Output Voltage /Impedance | 100 V/83 Ω (selectable by the internal wiring change) |
| Frequency Response | 50 Hz – 16 kHz |
| Distortion | 1 % or less |
| Signal-to-Noise Ratio | 60 dB or more |
| Tone Control | Bass: 100 Hz ±10 dB (Inputs 1 – 3 and BGM individually adjustable.) |
| Remote Microphone /Expansion Amplifier Connection | 2 RJ45 female connectors for connecting the RM-200M Remote Microphone and the VM-2120 or VM-2240 unit used as an expansion amplifier. Maximum distance: 800 m (874.89 yd) in total Link cable: Category 5 Shielded Number of connectable RM-200M’s: Up to 4 Twisted-Pair straight cable (TIA/EIA-568A standard) |
| Input | Inputs 1 – 3: -60 dB(*3) (MIC)/-10 dB(*3) (LINE) (changeable) 600 Ω combined XLR connector (female)/phone jack (Only Input 1 is additionally equipped with DIN connector(*5).) Telephone paging input: Push-in terminal block(*6) Voice sound: -10 dB(*3) balanced input with shield terminal(*4) Control: No-voltage make contact input open voltage: 3.3 V DC short-circuit current: under 1 mA BGM 1 – 2: -20 dB(*3) Power amplifier input: 0 dB(*3) External speaker line input: 100 V line (This input is selected when the “Unit’s broadcast cutoff” control is activated.) |
| Output | Speaker output: Plug-in screw connector(*7) 5-zone selector with attenuator (all zones simultaneously selectable) Direct speaker line output: Direct output from the power amplifier output transformer (attenuator bypassed) Plug-in screw connector(*7) Line output: 0 dB(*3) Recording output: 0 dB(*3) Preamplifier output: 0 dB(*3) |
| Control Input | For controlling Inputs 1 – 3 No-voltage make contact input short-circuit current: 1 mA or less |
| Control Input and Output | D-sub connector (25-pin Input: No-voltage make contact input short-circuit current: 1 mA or less Output: Open collector output control current: 10 mA or less (1) External control input Activation of messages(*8) Activation of power Activation and stop of Emergency Broadcast Unit’s broadcast cutoff (when activated by an external emergency equipment) (2) Status output Irregularity of communications with the Remote Microphone and an expansion amplifier AC power condition DC power condition Irregularity of the sound source of the Voice Announcement Board Failure (FAULT) indication on Power switch on |
| External Attenuator Control Output | Plug-in screw connector(*7) transfer type contact current: 7 A (DC) or less |
| Surveillance Input and Output(*9) | D-sub connector (25-pin Input: No-voltage make contact input Output: Open collector output |
| Power Supply | 24 V DC/0.1 A Unit RU-2001/-2002 |
| Chime Tone | Built-in chime: 2-tone chime/2-tone chime (fast repeat)/4-tone chime (Up)/Single-tone chime/4-tone chime (Up & Down)/Gong/off Voice Announcement Board sound source: Pre-recorded chime(*8) |
| Function | Two units stacking (VM-2120 or VM-2240) Emergency broadcast (sequential control) Broadcast priority control Surveillance (failure detection) function(*9) Power supply to only one Remote Microphone (RM-200M) Line resistance: 40 Ω (one way) or less |
| Operating Temperature | 0 ℃ to +40 ℃ (32 %%dF to 104 %%dF) |
| Finish | Panel: ABS resin Case: Steel plate |
| Dimensions | 419 (W) × 143.3 (H) × 355.7 (D) mm (16.5 × 5.64″ × 14) |
| Weight | 12.5 kg (27.56 lb) |
| Accessory | Power cable (2 m (6.56 ft)) ……1 Miniature type time-lag fuse T2.5 A ……1 |
| Option | Rack mounting bracket: MB-36 Input transformer: IT-450 Voice announcement board: EV-200M Surveillance board: SV-200MA |
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