PRE AMP BRAND HI ENDแท้รุ่นใหญ่จาก
YAMAHA C-4 MADE IN JAPAN ไฟ 220V รุ่นใหญ่ BRANDดัง ตระกูลสูง ฟังเพลงเสียงดีสุดยอดระดับ 5ดาว PHONOในตัว PRE OUTถึง 2ชุด งาน AUDIO GRADEแท้ + งาน JAPANแท้ เจ้าของส่งมาขายหน้าร้านถูกๆเพียง 8900.-เท่านั้น*
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Control amplifier
Amplifier Unit
Input Sensitivity / Impedance Phono1/2 : 2.5 mV / variable
Phono3 : 100 μ V/50 Ω
Aux, Tuner, TapePB1/2 : 150mV/47k Ω
Cartridge load Load resistance : 100 Ω, 33k Ω, 47k Ω, 68k Ω, 100k Ω
Load capacity : 100 pF, 150 pF, 220 pF, 330 pF, 470 pF
Maximum Allowable Input (1 kHz) Phono1/2:285mV(0.01%)
Phono3:10mV(0.02%)
Aux, Tuner, Tape : 8.2 v (0.01%)
Rated Output / Impedance / Maximum Output Pre-out1/2 : 2V/600 Ω or less / 10 V
Rec out1/2 : 150mV/180 Ω / 15 V
Frequency characteristic Phono1/2/3 : 20 Hz to 20 kHz 0 ± 0.2 dB (RIAA deviation)
Aux, Tuner, TapePB1/2 : 5 Hz to 100 kHz 0 ± 0.5 dB
Total harmonic distortion factor Phono1/2 : 0.0035% or less (Vol. -30dB, 2 V output)
Phono3 : 0.1% or less (Vol. -30dB, 2 V output)
Aux, Tuner, TapePB1/2 : 0.0035% or less (Vol. max, 10 v output)
Inter-channel crosstalk (1 kHz) Phono1/2 : 85 dB or more (Vol. -30dB,
5.1k Ω short)
Phono3 : 85 dB or more (Vol. -30dB, 0 Ω short circuit)
Aux, Tuner, TapePB1/2 : 85 dB or more (Vol. -30dB,
5.1k Ω short)
Cross modulation distortion factor Aux, Tuner, TapePB1/2 : 0.0035% or less (10 v output)
Signal-to-noise ratio
(IHF-A network at rated output) Phono1/2 : 85 dB or more (input short circuit)
Phono1/2 : 73 dB or more (input open)
Phono3 : 77 dB or more (input short circuit)
Aux, Tuner, TapePB1/2 : 106 dB or more (input short, Tone bypasson)
Aux, Tuner, TapePB1/2 : 100 dB or more (input short, tone bypass off)
Residual noise 0.2 μ V or less
Tone Control Width ± 10 dB (both Bass and Treble)
Turnover frequency Bass : 100 Hz to 500 Hz Continuously Variable
Treble : continuously variable from 1 kHz to 5 kHz
Filter characteristic Subsonic Filter : 15 Hz, 12dB/oct.
High Filter : 10 kHz, 12dB/oct.
Audio Muting -20dB
Headphone Amplifier Section
Gain (Pre out output 0.1 V) 6.3 V (Load Open)
Output impedance 330 Ω
Maximum power output
(THD 0.05%, 20 Hz to 20 kHz) Load released : 18 V or more
8 Ω Load : 19 mW or more
Total harmonic distortion factor (8 Ω Load) 0.02% or Less (20 Hz to 20 kHz at 12 mW output)
Residual Noise (IHF-A) 50 μ V or Less (Load Open)
Frequency characteristic 20 Hz to 50 kHz ± 0.5 dB
AC outlet switched:400Wmax
unswitched:200Wmax
Power consumption 40W
External dimensions Width 435x Height 116x Depth 376 mm
Weight 8.5kg