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AMPLIFICATORI

Offerta numero: 4867 Tipo: Offerta di apparecchio usato, hi-fi usato
Listino:  Vendita: €250
 
NAKAMICHI foto
Mod.AMPLIFIER 2
Integrated amplifier which set the Haar Monique time alignment technology on the nucleus, and pierced through the prejudice to a tone quality.

The Haar Monique time alignment theory,It is what was taken up from the front about the timing of fundamental tone and a distorted component, and an action of NFB, and was produced as the old result of research which focused also on the property of the NFB itself by Steve Cali Son of the Nakamichi U.S. research center.
In Amplifier2, the newly developed amplifier circuitry based on this theory is adopted as both a preamplifier part and a power amplifier part. This circuitry saves the amount of NFB of an audio inband uniformly by the wide band and the open loop design of low gain, stopping the amount of NFB itself slightly etc. crosses it to the band of all the audios, and the technique of adjusting the phase of fundamental tone and a distorted component correctly is concentrated.

The line amplifier part is considered as the discrete stream composition so that a high-quality sound device can be thrown in.
Thereby, with the stream composition by IC, the impossible high-definition part can be used everywhere and the frequency characteristic of an open loop gain is saved uniformly.
Moreover, the main volume by a motor drive, a motor drive rotary selector, the electrolytic capacitor which thought the tone quality as important, etc. are used.

The multi-regurated power supply scheme which prevents the cross interferencee between each section involving a power-source part and between stages is adopted.
Moreover, an isolated rate grand scheme original with Nakamichi is adopted also as a grounding circuitry, and the noise interference to a signal system is suppressed.

The high gain equalizer amplifier of a transistor difference input is carried.

Simpler signal transmission is possible for the signal which carried compact-disk direct input and was inputted from here by jumping a selector and a balance volume and passing along a 4-unit volume for exclusive use.

The tone control and the muting circuit are carried.

Volume control, an input switching, and the remote control in which the compact disk player of Nakamichi and an operation of the deck are possible are attached.

When synchro Lec of the case where the system remote connection of the deck and the Amplifier series corresponding to remote control, such as CR-70/CR-50/CR-40/CR-30/CR-20/DRAGON, is performed, or CDPlayer2 is performedA system remote connection with the 2nd set of signal converter rc-4 and Casettedeck1/Casettedeck2/Nakamichi1000 to be used is performed.When performing the system remote connection of SRC-2, and Nakamichi1000/1000IBM PCN II/700/700IBM PCN II to be used, and an Amplifier series, required exclusive cable SRC-3 etc. was an option.

Form Integrated amplifier

Output power 50W+50W (8 ohms, both channel drive, 20Hz - 20kHz, 0.1%THD)
Power bandwidth 10Hz - 50kHz
Frequency characteristic 5Hz-80kHz+0 -3 dB
S/N day (IHF A-WTD, input short-circuit) 105dB
THD 0.1% or less (8 ohm, an Output power, 20Hz - 20kHz)
Maximum output electric current 18A peek (per one side channel)

Input sensitivity/impedance Phono man month: 2.5mV / 47kohm
Phono MC: 0.125mV/100 ohms
compact disk, Tuner, Tape, Aux:150mV /, 20kohm
THD
(at the time of 1kHz, Rec out, and 1V output) Phono man month: 0.008% or less
Phono MC: 0.01% or less
RIAA deflection Phono man month/MC: 30Hz-20kHz±0.5dB
S/N ratio
(IHF A-WTD, speaker output) Phono MM:82dB
Phono MC:70dB
Tone control Bass: ±10dB (20Hz)
Treble: ±10dB (20kHz)

Supply voltage AC100V, 50Hz/60Hz
Power consumption A maximum of 370W
Power receptacle Switched: Two lines, a maximum of 150W (total)
Dimensions Width 430x height 125x depth of 360mm
Weight About 12.5kg
Option Remote signal converter rc-4
System remote connecting cable SRC-2 (1,200yen)
System remote connecting cable SRC-3 (1,500yen)
Adjunct: Remote Control unit Amplifier2 Remote Control
Scheme Infrared pulse type
Power source DC3V (1.5Vx2)
Dimensions Width 64x height 18x depth of 176mm
Weight About 140g (Battery included)

Anno di produzione 1994/95
Ottimo stato
Con telecomando


Listino:  Vendita: €250

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