Accuphase A70 là power công suất lớn class A 60w/kênh cho chất âm trong trẻo mượt mà mạnh mẽ, thừa hưởng nhiều đặc tính kỹ thuật của Power đàu bảng A-200. A-70 là sản phẩm thay thế A-65, ứng dụng các kỹ thuật và những linh kiện mới nhất như nguyên lý siêu giảm ồn với tối ưu hoá mạch khuếch đại ngõ vào, kết quả đạt một tỷ lệ S/N lý tưởng 127 dB S/N ratio (at -12 dB gain), vượt qua cả các Ampli tích hợp.
Thông số kỹ thuật:
Stereo operation 480 watts per channel into 1 ohm (＊) (both channels driven) 240 watts per channel into 2 ohms 120 watts per channel into 4 ohms 60 watts per channel into 8 ohms Monophonic operation 960 watts into 2 ohms (＊) (bridged connection) 480 watts into 4 ohms 240 watts into 8 ohms ● Total Harmonic Stereo operation (both channels driven) Distortion 0.07% with 2 ohm load 0.03% with 4 to 16 ohm load Monophonic operation (bridged connection) 0.05% with 4 to 16 ohm load ●Intermodulation Distortion 0.01% ● Frequency Response At rated output: 20 - 20,000 Hz +0, -0.2 dB At 1 watt output: 0.5 - 160,000 Hz +0, -3.0 dB ●Gain 28.0 dB (with GAIN selector at MAX) (Stereo and monophonic operation) ●Gain Selection MAX, -3 dB, -6 dB, -12 dB ●Output Load impedance Stereo operation: 2 to 16 ohms Monophonic operation: 4 to 16 ohms With music signals only, 1-ohm loads are permissible for stereo operation and 2-ohm loads for monophonic operation. ●Damping Factor 800 ● Input Sensitivity (with 8-ohm load, GAIN selector in MAX position) Stereo operation: 0.87 V for rated continuous average output (60 W) 0.11 V for 1 watt output Monophonic operation: 1.74 V for rated continuous average output (240 W) 0.11 V for 1 watt output ● Input Impedance Balanced: 40 kilohms Unbalanced: 20 kilohms ●Signal-to-Noise Ratio (A-weighted, input shorted) 121 dB (GAIN selector at MAX) 127 dB (GAIN selector at -12 dB) At rated continuous average output ● Output Level Meters (digital indication and bar graph) Digital meters: 5-digit indication, selectable range (10 W / 100 W / 1000 W) Bar graph meters: 32-point scale Hold time: 1 second/∞, switchable ＊Display off setting provided ＊Monophonic operation: same value for left/right ●Power Requirements AC 120 V/230 V, 50/60 Hz (Voltage as indicated on rear panel) ●Power Consumption 280 watts idle 530 watts in accordance with IEC 60065 ●Maximum Dimensions Width 465 mm (18-5/16") Height 238 mm (9-3/8") Depth 515 mm (20-1/4") ●Mass 44.3 kg (97.7 lbs) net 54.0 kg (119.0 lbs) in shipping carton
Dữ liệu đang được cập nhật