เครื่องขยายเสียง CROWN VA4500 Power Amp 500W
แอมป์ขยายเสียง CROWN VA4500 เป็นเครื่องขยายเสียงจาก CRORN ในตระกุล VA-Series มีกำลังขับ 500 วัตต์ x 4 ชาแนล ที่ 8 โอหม์, 750 วัตต์ x 4 ชาแนล ที่ 4 โอหม์, ตอบสนองความถี่ 20-20 kHz,1W @ 8Ω
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฿41,400.00 ฿24,900.00
Description
CROWN VA4500 Power Amplifier 500W
แอมป์ขยายเสียง CROWN VA4500 เป็นเครื่องขยายเสียงจาก CRORN ในตระกุล VA-Series มีกำลังขับ 500 วัตต์ x 4 ชาแนล ที่ 8 โอหม์, 750 วัตต์ x 4 ชาแนล ที่ 4 โอหม์, ตอบสนองความถี่ 20-20 kHz,1W @ 8Ω, input interface One 3-pin balanced female XLR per channel ; one combined 6-pin Euro-block per channel pair
The Crown VA Series amplifiers are stable, energy efficient and cost effective, making them ideal for a range of fixed installation applications. The VA4500 not only has the advantages of light weight and sturdy structure for easy transportation and installation, but also provides four 500W amplifiers to meet various needs.
The VA4500 has stable performance, high environmental resistance and reasonable price. This Class D power amplifier product combining high efficiency and low heat definitely has an impressive life. For other needs, VA2350 (2 output channels x 350W) and VA21200 (2 output channels x 1200W) and VT4500 (4-channel transformer box) can be purchased.
Features:
- Provides 4 x 500W output power -ideal for driving JBL CV1000 and JBL CV3000 series speakers
- Four Channel Models -Customized Solutions for Various Applications
- Lightweight and rugged design -easy to transport and install
- Balanced XLR and Euroblock input connectors -two input connection options available
- Speakon® and barrier output connectors -two output connection options available
- Supports input routing and output bridging -easy wiring
- LED indicators for signal, clip, fault, and bridge outputs -easy to monitor signal status
- Power LED indicator for standby, normal operation, and faults -easy to monitor the status of the amplifier
Specifications
| rated power (THD + N 1%, 8Ω per channel, 1 kHz) | 500 W * 4 |
| rated power (THD + N 1%, 4Ω per channel, 1 kHz) | 750 W * 4 |
| Frequency response (20-20 kHz, 1W @ 8Ω) | -1 dB to +1 dB |
| Signal to noise ratio (Refer to 8Ω rated output power, A-weighted) | > 100 dB |
| THD + N (full rated power @ 1 kHz) | <1% |
| Intermodulation distortion (IMD) (60 Hz and 7 kHz @ 4: 1) | From full rated output to -40 dB: <0.35% |
| Crosstalk (refer to 8Ω rated output power) | @ 1 kHz> 70 dB, @ 10 kHz> 55 dB |
| input resistance | 20 KΩ balanced |
| Minimum load impedance | 4 Ω |
| Load resistance heat performance | 4 Ω 1 / 8th |
| Power (± 10%) | AC: 220 V ~ 50 Hz |
| input interface | One 3-pin balanced female XLR per channel ; one combined 6-pin Euro-block per channel pair |
| Output Interface | One Speakon output per channel ; one pair of blocking bands per channel pair |
| LED indicator | Signal, Thermal / Clip, Fault, Bridge, Power |
| Function switch | Rear panel with HPF, bridge, routing mode switches |
| Input sensitivity | 1.4 V rated power @ 8Ω load |
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