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美国ModWright(乐威) KWA150SE 签名版晶体管后级放大器

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l  将原用之所有物资及元件再加以挑选,

   令所有签名版纸品更精确

l  采用 ModWright 自行研发之优质电容

l  采用日本制 Takman 高精密金属炭膜电阻

l  将现有之晶体管数量增加以加大驱动力

l  把原有电容量增加至一倍多

l  附设强化型金属钉,另可调校水平

l  进一步提高偏压值,音质相对提升

l  声音及驱动力比标准版更高层次

l  输出接线加强至12GA及经冷冻处理

 

 

Summary of key elements of upgrade

Upgraded model of Lundahl input transformer for improved speed and dynamics.

Circuit design revisions to input circuits that lower distortion and improve dyanmics and resolution.

Cryo-treated, solid core ultra-pure input wiring and 12GA stranded audio-grade output signal wire to binding posts.

Revised capacitor bank (current storage design) that increases total storage (capacitance) and also lowers power supply impedance, which translates to faster current delivery to the output stage.

 

 

This all translates to the following in terms of sonics:

A more open and resolving overall presentation.

Tighter and faster bass and transients.

Improved speed and dynamics, whilst still retaining tube-like midrange qualities.

Improved soundstage and low-level cues due to an even LOWER noise floor.

 

 


 

 

 

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技术参数

讯源输入

RCA/1组,XLR/1组

输出功率(每声道)

170W(8Ω) 250W(4Ω

桥式连接输出功率

450W(8Ω) 650W(4Ω

放大偏压设定

可切换纯A类或AB类

静态噪音率

-100dB

输入阻抗

40kΩ

总频捡波失真

0.04%

频宽

10Hz-100kHz (0,-1dB)

体积(宽x高x深)

17x17x9

净重

78

颜色选择

黑/银

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