VX-3000DS
緊急電源
VP-3304
數碼功率放大器
VP-3304
VP-3304是一款用於VM-3000系統的數碼功率放大器，具備2U機架安裝單元及4個頻道的D類數碼功率放大器，並具有節能和輕量化設計。VP-3304還設有前置LED指示燈顯示操作狀態，亦可設置待機模式以降低待機功耗。注意：VP-3304必須配搭專用電源單元 VX-3000DS。
- EN54-16 certified system amplifier for TOA Voice Evacuation System
- Usable as standby amplifier for emergency switch over
- Compact, lightweight and energy efficient
- 4 amplifier input modules are built-in
- Supplied 4 BGM input ports with individual volume control
- Independent power supply for each channel
- Usable with VX-3000DS Power Supply Manager
電源
31V DC (operating 20-34V DC)
Amplification System
Class D
消耗電流
11A (Rated Output Power)
額定輸出
300W × 4 (at 100V line)
210W ×4 (at 70V line)
150W × 4 (at 50V line)
210W ×4 (at 70V line)
150W × 4 (at 50V line)
輸入
PA LINK: 4 channels
BGM: 4 channels (volume adjustment: 4 channels)
BGM: 4 channels (volume adjustment: 4 channels)
頻率響應
40 – 16kHz: ±3dB
失真率
1% or less
S/N比
80dB
尺寸
482 (W) × 88.4 (H) × 390 (D)mm
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Functional & Interface Accessories
The amplifier shall be EN54-16 complied digital power amplifier without output transformer. It shall be a 2U rack-mount unit equipped with 4 channels of class-D digital power amplifiers, which contribute to energy-saving and lightweight design. It shall include independent power supply for each channel. If the power supply of Channel 1 should fail, this shall not affect the operation of Channels 2-4. The amplifier shall incorporate 4 BGM inputs. The BGM can be broadcast to local area (limited area) as well as the audio inputs of the whole system. BGM volume shall be adjustable on the rear panel of amplifier. Change to standby mode from external input shall reduce standby power consumption. Removable terminal block shall allow easy connection.
LED indicators of each channel shall make it possible to easily recognize the unit operating condition and audio input signal. The amplifier shall operate on 31V DC supplied from the dedicated Power Supply Unit.
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