Nakamichi sintopre e finale 630 + 620 perfetti

Descrizione

Coppia sintopreamplificatore più finale di alta qualità in condizioni perfette. Caratteristiche finale: TypeStereo power amplifier Output50W/50W (16 Ω, double-channel drive, 5 Hz to 20 kHz, THD0.01% or less) 100W/100W (8 Ω, both channel drive, 5 Hz to 20 kHz, THD0.01% or less) 350W (8 Ω, BTL connection, when using BA-100) Power bandwidth (IHF, both channel drive)5 Hz ~ 50 kHz (Distortion Rate 0.1% or Less) 5 Hz ~ 20 kHz (Distortion Rate 0.01% or Less) 5 Hz ~ 10 kHz (Distortion Factor 0.005% or Less) Damping factor100 or More (1 kHz, 8 Ω Load) Total harmonic distortion factor0.002% or Less (1 kHz or Less, RMS) 0.005% or Less (10 kHz or Less, RMS) IM distortion factor0.002% or Less (60 Hz : 7 kHz = 4 : 1, 100W Output, 8 Ω Load) Frequency characteristic5 Hz to 100 kHz + 0 -1dB (RMS) Input impedance10k Ω Input sensitivity1V Residual noise0.05 mV or less (IHF-A Network) 0.1 mv or Less (Linear) Signal-to-noise ratio120 dB or more (IHF-A network, input short) Crosstalk-70dB or more (1 kHz) Accessory circuitPeak power indicator Green : 1W, 5W, 25W, selectable Red : 25W, 50W, max (110 to 130W), selectable Semiconductor usedIC : 3 Transistor : 46 Diode : 41 PwerAC100V/117V/220V/240V, 50Hz/60Hz Power consumption50 VA (No Signal) 700 VA (both channel drive, maximum output, 8 Ω load) External dimensionsWidth 400x Height 189x Depth 248 mm Weight12.5kg Caratteristiche pre: ypeFM tuner control amplifier Preamplifier Section Input Sensitivity / ImpedancePhono : 1 mV, 2 mV, 5mV/100k Ω Aux, Tape mon1/2 : 100mV/50k Ω Maximum input levelPhono : 250 mV (at 1 kHz, sensitivity selector switch 5 mV) Output level / impedance / load impedancePre out : 1V/500 Ω / 10k Ω Rec out : 100mV/1k Ω / 50k Ω Headphone : 40mV/4.5 Ω / 8 Ω Maximum power outputPre-out : 5V/50k Ω Rec out : 4V/50k Ω Headphone : 300mW/8 ohm Frequency characteristicPhono (RIAA deviation) : 30 Hz to 15 kHz ± 0.3 dB Aux, Tape mon1/2 : 20 Hz to 50 kHz + 0 -1.5 dB S/N ratio (IHF-A network) / input conversio