美国精神 S500 后级

一线牵 · 发表于 2012-9-16 11:26

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近9新无修磨  17500  有意来电 18616576691
参数介绍：
Threshold S/500 Stereo Power Amplifier
Manufacturer's Specifications:
Rated Output Power : 250 watts per channel. Both channels driven at no more
than 0.1% distortion into 8 Ohms resistive or reactive impedance.
Bandwidth Response : Halfpower (-3 dB) points at 7 Hz and 100 kHz.
Slew Rate : 50 volts per microsecond
Output Transistors : 20 transistors per channel. Transistors are ultra-high
speed 200 volt 20 ampere rated power devices.
Output Current : 12 amperes continuous, 100 peak amperes per channel. All
continuous ratings are fuse governed.
Power Supply : 1,000 watt toroidal transformer, 120,000 microFarads storage
capacitance.
Input Impedance : 75,000 Ohms.
Output Impedance : Less than 0.1 Ohm 20 Hz through 20 kHz
Gain Factor : +26.6 dB
Noise : No greater than -100 Db, unweighted, referenced to
rated output.
Permissible Load : Operation is allowed into any load within limits
imposed by power supply and rail fusing and/or
thermal protection.
Dimensions : 17 1/8" deep, 8 3/4" high, 19" wide.
Weight : 78 1/2 pounds.