เครื่องขยายเสียง ยี่ห้อ ELECTRO-VOICE รุ่น PA2250T
- Efficient performance for low impedance or distributed systems
- Ideal for sound reinforcement, paging, and life safety
- 250 W per channel for 4 Ω or 70/100 V lines
- Bridged mono out for 540 W into 8 Ω
- Compact 2 RU design
- Stepped rear-panel level attenuation
- Selectable 50 Hz or 300 Hz high-pass filter
- Thermal protection, peak limiting, turn-on delay
- Phoenix-type inputs and outputs
- Three-stage front-to-rear fans
- Integrated rack ears for direct mounting
Specs.
| Amplifier Gain | 34.3 dB |
| Continuous Rated Power (1 kHz, THD 1%) 100v | 270 Watts |
| Continuous Rated Power (1 kHz, THD 1%) 4Ω | 270 Watts |
| Continuous Rated Power (1 kHz, THD 1%) 70v | 270 Watts |
| Continuous Rated Power (1 kHz, THD 1%) 8Ω | 135 Watts |
| Continuous Rated Power (20-20 kHz,THD<0,2%) 100v | 250 Watts |
| Continuous Rated Power (20-20 kHz,THD<0,2%) 4Ω | 250 Watts |
| Continuous Rated Power (20-20 kHz,THD<0,2%) 70v | 250 Watts |
| Continuous Rated Power (20-20 kHz,THD<0,2%) 8Ω | 125 Watts |
| Crosstalk | < < -75 dB |
| DIM 30 | < 0.1 % |
| Frequency Response | 65Hz – 40kHz |
| Impedance | 4/8 Ω 70V/100V |
| Input Impedance (Balanced) | > 20 kΩ |
| Input Sensitivity | 0 dBu (775mV) @ rated output power or voltage, 1kHz |
| Intermodulation Distortion (SMPTE) | < 0.1 % |
| Network Control (IRIS-Net) | No |
| Number of Channels | 2 |
| Rated output power (*rated load) THD < 0.2%, 20Hz – 20kHz | 250/125 W 70V/100V-250 |
| Rated output power (*rated load) THD < 1%, 1kHz | 270/135 W 70V/100V-270 |
| Signal-to-Noise Ratio (A-weighted) | 103 dB |
| Slew Rate | 18 V/µs 70V-41, 100V-61 |
| Total Harmonic Distortion | < 0.1 % |
| Height | 2RU 88 mm (3.46“) |
| Width | 483 mm (19.02“) |
| Depth | 406 mm (15.98“) |
| Weight Net | 23.5 kg (51.81 lbs) |
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