此卖家实属大烧,主攻B&W HIFI及MK影院系列。临走前有幸试听了后侧墙角那组黑色的定制音箱,Wilson Audio设计师主刀,但内部单元详情不明。 McIntosh MC240,250,275,352均为后极放大,其中个人非常中意275。 但由于刚入门,故以综合扩大为起步,McIntosh代号MA,如有需要今后可再升级。 原来也有担心综扩推804s是否吃力,但试听完后立刻云开雾散。参数如下: Power Output per Channel: 200 Watts into 8 Ohms; 320 Watts into 4 Ohms Number of Channels: 2 Speaker Impedance: 4 or 8 Ohms Rated Power Band: 20Hz to 20kHz Total Harmonic Distortion: 0.03% Dynamic Headroom: 1.5dB Frequency Response +0,-0.5dB: 20Hz to 20kHz Frequency Response, +0, -3dB: 10Hz to 100kHz Sensitivity Phono (Moving Magnet): 2.5mV Sensitivity High Level (Balanced / Unbalanced): 0.5V/0.25V Signal To Noise Ratio (Moving Magnet): 82dB Signal To Noise Ratio (High Level): 93dB Input Impedance (Balanced / Unbalanced): 20K/20K Damping Factor: 8 Ohms: >200; 4 Ohms: >100 Maximum Output (Balanced / Unbalanced): 8V Unbalanced Balanced Input: 2 Unbalanced Input: 3 Phono Input Moving Magnet: 1 (adjustable loading) Unbalanced Variable Output: 1 Headphone Output: 1/4" High Drive with Headphone Crossfeed Director (HXD®) Subwoofer Output: 2 Home Theater PassThru: Yes Unbalanced Analog Connector Type: Standard Speaker Binding Post Type: Standard Service Port: 1 Tone Controls: 5-Band Tone Bypass and Input Assign: Yes RS232 Control Input: Yes Power Control Output: 1 Rear Panel Data Port: 2 Rear Panel IR Sensor Input: Yes Input Level Match: Yes Preamplifier: Vacuum Tube Power Amplifier: Solid State Output Type: Direct Coupled Power Requirement: 120V 50/60Hz, 6.0A Standby Power Requirement: <0.5 Watts