The Studiomaster PA 4.5 Dual Channel Amplifier is a high-power, professional-grade amplifier designed for demanding audio applications. With an output of 2250W per channel, it is ideal for large-scale sound reinforcement systems such as concerts, auditoriums, and outdoor events. Below are the detailed specifications and features of this amplifier:
Power Output:
- Stereo Mode:
- 2Ω: 2 x 2,250W RMS (20Hz-20kHz, 1% THD)
- 4Ω: 2 x 1,600W RMS (20Hz-20kHz, 1% THD)
- 8Ω: 2 x 950W RMS (20Hz-20kHz, 1% THD)
- Bridged Mode:
- 4Ω: 4,500W RMS (20Hz-20kHz, 1% THD)
- 8Ω: 3,200W RMS (20Hz-20kHz, 1% THD)
Frequency Response:
Total Harmonic Distortion (THD):
- < 0.05% at 1kHz
- < 0.1% at 20Hz & 20kHz
Signal-to-Noise Ratio:
102dB “A” Weighted
Damping Factor:
400:1 (8Ω)
Slew Rate:
Input Specifications:
- Sensitivity: 0.775V/1.2V switchable
- Impedance: 20kΩ Balanced, 10kΩ Unbalanced
- Connectors: Balanced XLR and 1/4” TRS Jack
Output Specifications:
- Connectors: 4-way Speakon connectors
Protection Features:
- Temperature, DC, RFI, Short Circuit, Soft-Start, Overload
Cooling System:
- Intelligent cooling with low-noise variable speed fans and direct-mounted over-designed heat sinks
Operational Modes:
Indicators:
- Mute, Signal, Clip, and Fault LEDs
Power Supply:
- Nominal AC Mains: 240V ~/50Hz, 20A
- Minimum AC Mains: 150V
Physical Specifications:
- Dimensions: 482 x 455 x 130 mm (3U)
- Net Weight: 33 kg
Key Features:
- High Power Output: Handles large-scale sound systems with ease.
- Advanced Protection: Safeguards against electrical and thermal issues, ensuring reliability during extended use.
- Precision Sound: Low distortion and high damping factor for superior audio quality.
- Robust Build: Heavy-duty chassis suitable for professional environments.
This amplifier is suitable for large venues, live performances, and installations requiring high power and reliability. Its robust design and comprehensive protection features ensure dependable operation even under demanding conditions.
For more detailed information, please refer to the OM'S_Hub team