Accuphase金嗓子 金嗓子Accuphase E-305

上市参考售价:¥13,500

推出年代:1987.12

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金嗓子 E-305 纯功放机每声道8Ω实在输出功率130瓦,搭载2组XLR全平衡输入,8组镀佬RCA音频输入,其中1组是黑胶唱机输入可切换MM和MC唱头使用,2组RCA插座讯号输出供录音;金嗓子 E-305 功放机搭载1组RCA音频输出可作为纯前级,搭配其它纯后级放大器使用;金嗓子 E-305 功放机搭载1组RCA纯后级音频输入,可作为纯后级使用时,外接其它纯前级放大器使用。



金嗓子 E-305 纯功放机采用的放大线路是全对称式放大电路结构,这种电路设计可以有效的减少谐波失真;供电部分使用一个大环牛变压器供电,保证供电与输出稳定性;放大部分采用12个MOS FET金属氧化场效应半导体作为输出放大级与2个金嗓子特制33000微法大电解电容;金嗓子 E-305 纯功放机井然有序的内部架构令它处处散发着高级音响的迷人气质,即使是以静态展示已经令人倍生好感,而它那种精致、工整、准确的声音又确实让人心动。



金嗓子 E-305 纯功放机音效输出高贵华丽,分析力非常强,无论您是针对背景音乐的解析力还是音乐的宁静度 E-305 给到你的是一个非常真实的聆听,这款功放最大卖点在控制力非常好定位非常明确特别在原现场音效非常接近,很适合一些追求高品位的朋友选用。

器材规格

Form Integrated stereo Integrated Amplifier
Continuation average output (both channel operation)
20Hz - 20kHz, 0.02% of a distortion 4ohm load: 180 W/ch
8ohm load: 130 W/ch
THD (both channel operation)
0.25W - a continuation output, 20Hz - 20kHz 0.02% (4-16-ohm load)
IM distortion 0.01%
Frequency response
Main Amp Input: 20Hz-20000Hz+0 -0.2dB (at the time of an Output power)
0.5Hz-150000Hz+0 -3.0dB (at the time of 1W output)
High Level Input: 20Hz-20000Hz+0 -0.2dB (at the time of an Output power)
Low Level Input: 20Hz-20000Hz+0.2 -0.5dB (at the time of an Output power)
Dumping factor 100 (8-ohm load, 50Hz)
A rated input / input impedance
Input sensitivity Impedance
At the time of an Output power EIA (at the time of 1W output)
AD Input(MC): 0.128mV 0.01mV 100ohms
AD Input(MM): 4.3mV 0.38mV 47kohm
High Level Input: 125mV 11.8mV 20kohm
Balanced Input: 125mV 11.8mV 40kohm
Main Amp Input: 1.28V 121mV 20kohm
The disc maximum input
(1kHz, 0.005% of distortion) MM input: 300mVrms (Rec Out)
MC input: 8.0mVrms (Rec Out)
An Output power/Output load impedance Pre Output: 1.28V/200 ohm
Tape Rec Output: 125mV/200 ohms (AD)
Headphones: 0.4V, conformity impedance 4-100ohm
Gain Main Input -> Output: 28dB
High Level Input -> Pre Output: 20dB
AD Input (MM) -> Tape Rec Output: 29dB
AD Input (MC) -> Tape Rec Output: 60dB
S/N, input conversion noise
Input short-circuit and A-compensation EIA S/N
At the time of a rated input S/N Input conversion noise
Main Amp Input: 123dB -121dBV 102dB
High Level Input: 108dB -126dBV 82dB
Balanced Input: 90dB -108dBV 82dB
AD Input(MM): 86dB -137dBV 80dB
AD Input(MC): 66dB -147dBV 75dB
Tone control Low-pitched sound: Turnover frequency 300Hz, ±10dB (50Hz)
Loud sound: Turnover frequency 3kHz, ±10dB (20kHz)
Loudness Compensation + 6dB (100Hz, Volume-30dB)
Subsonic Filter 17Hz, -12 dB/oct
Attenuator -20dB
Power meter Logarithm compression type peak level display
dB scale and the output Direct reading at the time of 8-ohm load
Load impedance 2-16ohm
The semiconductor used Transistor: 77 pieces
FET: 34 pieces
IC: 20 pieces
Diode: 78 pieces
Power source 100V/117V/220V/240V, 50Hz/60Hz
Power consumption At the time of no inputting: 60W
Electrical Appliance and Material Control Law: 310W
At the time of an 8ohm load Output power: 490W
Dimensions the width 475x height 170(piece -- it includeds) x depth of 375mm
Weight 20.5kg

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