CH PRECISION M1 2-CHANNEL REFERENCE POWER AMPLIFIER
49,400 ₫
Đây là ampli đầu bảng của CH Precision, có khả năng khắc chế những cặp loa hi-end hàng đầu. M1 mang trên mình toàn bộ những tinh hoa chế tác của CH, đặc biệt là mạch ExactBias mà một phần mềm nhận biết để phối ghép tối ưu với các dòng loa khác nhau. Ở chế độ stereo, M1 cho công suất tối đa 200 watt/kênh ở trở kháng 8 Ohm. Khi chuyển sang chế độ đấu cầu và hoạt động như một khối mono-block, mỗi khối M1 cho công suất tối đa 700 watt/kênh 8 Ohm. Với biến áp nguồn công suất lên tới 2200 VA, M1 có dòng đủ lớn để ung dung kéo hầu hết mọi đôi loa trên thị trường.
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THÔNG SỐ
Analog inputs
| Inputs type | Balanced (XLR), one connector per board Single-Ended (RCA & BNC), one connector per board |
| Input impedance | Balanced: 94kΩ Single-Ended: 47kΩ or 300Ω |
| Input stage | JFET input stage Ultra-low noise, discrete fully differential stage 24dB range adjustable gain in 0.5dB steps |
Amplification
| Amplification stage | Ultra-low noise full discrete class AB design 6 pairs of complementary output transistors |
| Ouptut power | 2x 200W / 8Ω, 2x 350W / 4Ω, 2x 600W / 2Ω in stereo and bi-amp modes 1x 350W / 4Ω, 1x 600W / 2Ω, 1x 1100W / 1Ω in monaural mode 1x 700W / 8Ω, 1x 1200W / 4Ω, 1x 1600W / 2Ω in bridge mode |
| Bias | Patent-pending bias circuitry for constant bias operation |
| Feedback | User-adjustable local vs. global feedback ratio, from 0% to 100% in 10% steps |
| Bandwidth | DC to 450kHz (-3dB) at 1W into an 8Ω resistive load |
| Signal to Noise Ratio | Better than 115dB in stereo and bi-amp modes Better than 118dB in bridge mode |
| Total Harmonic Distortion + Noise | Less than 0.1% with 0% global feedback Less than 0.01% with 100% global feedback |
Analog outputs
| Binding posts | Two pairs of Argento binding posts for loudspeakers connection |
| Monitoring | Non-intrusive DSP-based protection of the amplifier and connected loudspeakers Instantaneous voltage & current values are permanently monitored on each channel |
| Protections | Short-circuit protected Disconnected loudspeaker detected Over-temperature of the heatsink Over-temperature of the output transistors |
Power supply
| Transformer | 2’200VA toroidal transformer for output stages, oversized for low-noise operation 100VA separate toroidal transformer for input stages |
| Power capacitors | 2x 100’000uF/100V 4-poles capacitors |
| Regulators | Non-regulated symetrical power supply for the power stages Eight local regulation stages for input/driver stages Seven local regulation stages for the logic/display |
General
| Display | 480×272 pixels, 24bits color, AMOLED |
| Mains operation | Selectable 100V, 115, 230V AC, 47-63Hz |
| Fuses value and location | Standby fuse (white holder): 250mA T (230V AC), 500mA T (100V AC, 115V AC) Audio (mid power) fuse (black holder): 1.6A T (230V AC), 3.15A T (100V AC, 115V AC) Power fuse (IEC20 holder): 16A T (230V AC), 32A T (100V AC, 115V AC) |
| Power supply consumption | <1W (standby), 2200W max in operation |
| Dimensions/Weight | 440 x 440 x 266mm (W x D x H), 75kg |
| Remote control | Ethernet based system control via the Android CH Control App |
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