
Form Stereo preamplifier
Frequency response
Tuner, Line, Tape Play : 1.0Hz-500kHz+0 -3.0 dB
20Hz-20kHz+0 -0.2 dB
Disc: 20Hz-20kHz±0.2dB
THD (new IHF) 0.005% (with all the input terminals, they are 20Hz - 20kHz)
Input sensitivity/impedance
(An Output power / new IHF output 0.5V) Disc(Head amp off) MM: 2.0mV/0.5mV/47kohm
Disc (Head amp+26dB): 0.1mV/0.025 mV/10ohm, 30ohm, 100ohm
Disc (Head amp+32dB): 0.05mV/0.0125 mV/10ohm, 30ohm, 100ohm
Tuner, Line, and Tape Play:126mV/31.5mV/20kohm
An Output power/impedance Output(unbalanced): 2.0V/1.0 ohm
Output(balanced): 2.0V/600 ohm
Tape rec: 126mV/200 ohms (at the time of Disc)
S/N and input conversion noise
Input terminal Input short-circuit IHF-A compensation EIA S/N
Rated input S/N Input conversion noise
Disc(Head amp off)MM: 85dB -140dBV 82dB
Disc(Head amp +26dB): 72dB -152dBV 76dB
Disc(Head amp +32dB): 66dB -152dBV 76dB
Tuner, Line, Tape Play : 110dB -128dBV 88dB
Maximum-except-take-off level
(0.005% of a distortion, 20Hz - 20kHz) Output(balanced):10.0V
Output(unbalanced):10.0V
Tape Rec:19.0V (at the time of AD)
The Disc maximum inlet pressure
(1kHz, 0.005% of distortion) Disc(Head amp off):300mV
Disc(Head amp +26dB):15mV
Disc(Head amp +32dB):7.5mV
Minimum load impedance Output(unbalanced): 1kohm
Tape Rec: 10kohm
Gain Tuner, Line, Tape Play->output:24dB
Tuner, Line, Tape Play->Tape rec output:0dB
Disc(Head amp off) MM->output: 60dB
Disc(Head amp off) MM->Tape rec output: 36dB
Head amp is +26dB and +32dB change type.
Loudness Compensation
(Volume control-30dB) 1:+3dB(100Hz)
2: +8dB (100Hz), +6dB (20kHz)
Subsonic Filter 10Hz, -18 dB/oct
Attenuator - 20dB-30dB, -infinity
The semiconductor used Transistor: 225 pieces
FET: 16 pieces
IC: 33 pieces
Diode: 167 pieces
Power source AC100V/117V/220V/240V, 50Hz/60Hz
Power consumption 75W
Dimensions Width 468x height 171x depth of 396mm
Weight 18.1kg
Frequency response
Tuner, Line, Tape Play : 1.0Hz-500kHz+0 -3.0 dB
20Hz-20kHz+0 -0.2 dB
Disc: 20Hz-20kHz±0.2dB
THD (new IHF) 0.005% (with all the input terminals, they are 20Hz - 20kHz)
Input sensitivity/impedance
(An Output power / new IHF output 0.5V) Disc(Head amp off) MM: 2.0mV/0.5mV/47kohm
Disc (Head amp+26dB): 0.1mV/0.025 mV/10ohm, 30ohm, 100ohm
Disc (Head amp+32dB): 0.05mV/0.0125 mV/10ohm, 30ohm, 100ohm
Tuner, Line, and Tape Play:126mV/31.5mV/20kohm
An Output power/impedance Output(unbalanced): 2.0V/1.0 ohm
Output(balanced): 2.0V/600 ohm
Tape rec: 126mV/200 ohms (at the time of Disc)
S/N and input conversion noise
Input terminal Input short-circuit IHF-A compensation EIA S/N
Rated input S/N Input conversion noise
Disc(Head amp off)MM: 85dB -140dBV 82dB
Disc(Head amp +26dB): 72dB -152dBV 76dB
Disc(Head amp +32dB): 66dB -152dBV 76dB
Tuner, Line, Tape Play : 110dB -128dBV 88dB
Maximum-except-take-off level
(0.005% of a distortion, 20Hz - 20kHz) Output(balanced):10.0V
Output(unbalanced):10.0V
Tape Rec:19.0V (at the time of AD)
The Disc maximum inlet pressure
(1kHz, 0.005% of distortion) Disc(Head amp off):300mV
Disc(Head amp +26dB):15mV
Disc(Head amp +32dB):7.5mV
Minimum load impedance Output(unbalanced): 1kohm
Tape Rec: 10kohm
Gain Tuner, Line, Tape Play->output:24dB
Tuner, Line, Tape Play->Tape rec output:0dB
Disc(Head amp off) MM->output: 60dB
Disc(Head amp off) MM->Tape rec output: 36dB
Head amp is +26dB and +32dB change type.
Loudness Compensation
(Volume control-30dB) 1:+3dB(100Hz)
2: +8dB (100Hz), +6dB (20kHz)
Subsonic Filter 10Hz, -18 dB/oct
Attenuator - 20dB-30dB, -infinity
The semiconductor used Transistor: 225 pieces
FET: 16 pieces
IC: 33 pieces
Diode: 167 pieces
Power source AC100V/117V/220V/240V, 50Hz/60Hz
Power consumption 75W
Dimensions Width 468x height 171x depth of 396mm
Weight 18.1kg
器材规格
日本金嗓子/Accuphase C-280 高级发烧纯甲类前级放大器,C-280 是金嗓子高级纯甲类前级放大器中非常旗舰与发烧的一款纯前级放大器,同时 C-280 是金嗓子音响非常出色与非常非常有代表性的一款发烧纯甲类前级放大器,C-280 纯前级放大器完完全全将金嗓子的高贵迷人的声音特质表现得淋漓尽致!
金嗓子 C-280 纯甲类前级放大器采用:线性定位器控制:音频输入选择,左右声道音频输出与总音量输出。
金嗓子 C-280 纯甲类前级放大器具有:7组镀佬RCA音频信号输入,其中2组是黑胶唱机输入可切换MM和MC唱头,2组RCA插座讯号输出供录音;金嗓子 C-280 纯甲类前级放大器音频输出信号:1组XLR立体声全平衡输出,2组镀佬RCA音频输出链接纯后级放大器使用。
金嗓子 C-280 纯甲类前级放大器采用: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;供电部分使用的是2个方牛变压器独立供电,这一设计大大保证左右声道的供电与输出稳定性;金嗓子 C-280 纯甲类前级放大器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 C-280 纯甲类前级放大器音色输出高贵华丽,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 C-280 给到你的是一个非常真实的聆听,这款纯前级放大器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。
金嗓子 C-280 纯甲类前级放大器采用:线性定位器控制:音频输入选择,左右声道音频输出与总音量输出。
金嗓子 C-280 纯甲类前级放大器具有:7组镀佬RCA音频信号输入,其中2组是黑胶唱机输入可切换MM和MC唱头,2组RCA插座讯号输出供录音;金嗓子 C-280 纯甲类前级放大器音频输出信号:1组XLR立体声全平衡输出,2组镀佬RCA音频输出链接纯后级放大器使用。
金嗓子 C-280 纯甲类前级放大器采用: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;供电部分使用的是2个方牛变压器独立供电,这一设计大大保证左右声道的供电与输出稳定性;金嗓子 C-280 纯甲类前级放大器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 C-280 纯甲类前级放大器音色输出高贵华丽,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 C-280 给到你的是一个非常真实的聆听,这款纯前级放大器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。
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