Shop Cần Bán ONKYO Integra A-817

Thảo luận trong 'Thiết bị văn phòng HCM, Hà Nội' bắt đầu bởi voitoi, 3 Tháng tám 2010.

  1. voitoi New Member

    Cần thanh lý em Onkyo A817..hình thức còn đẹp,nghe hay trong tầm tiền...Giá fix:1tr4
    Mời các bác tham khảo:
    [IMG]
    ONKYO Integra A-817 69,800yen(around the 1980 time)
    [SIZE=-1]Description [/SIZE][SIZE=-1]@
    The Integrated Amplifier of the dual direct amplifier stream composition which adopted W and a super servo scheme.

    W and a super servo scheme are carried in power amplifier and an equalizer amplifier.
    This scheme is a system which is made to feed back only excessive noise components other than the music signal included in a signal, and a distorted component through a servo operational circuitry, respectively, and is canceled from a positive of the outgoing end of amplifier, and the two poles of a negative. In the positive side, the electromotive force according the super-low-pass component by a variation of the power source generated mainly inside amplifier, the temperature change of a semiconductor, etc. to the impedance of a power-source part at the negative side is oppressed.
    And in order to oppress without depending on an element with many problems in respect of tone qualities, such as a capacitor, the resolution of play sound is raised by leaps and bounds.

    Linear switching is adopted as a transistor operation of a final stage.
    At the point amplified with two transistors, although this scheme is not different from B class, it rectified the linearity of the joint of the curve of operation which becomes a problem in this case by the special bias circuit, and has acquired the linear performance characteristic.
    Furthermore, by adoption of a High fT power transistor, it can hold down in the span which can also completely disregard switching distortion.

    In order to correspond to MC cartridge, MC straight equalizer amplifier is carried.
    It is the high gain design which made MC the leading role, and an equalizer hardwired connection is possible for putting in no excessive thing in between.
    Moreover, according to an Output voltage, the change of MC and High MC is possible.

    The direct tone scheme is adopted.
    In order to omit tone amplifier and to carry out tone variable with a gain up of power amplifier by this scheme in the loudness circuitry relevant to volume control,It consists of only passive elements without a tone-quality top problem, and it hardly became a problem and the transition of the tone quality by tone using is carried out.

    The difference of temperature in a final stage is detected, and the auto tracking bias scheme which supplies the always stabilized bias is adopted.

    In order *****ppress an occurrence of a high order higher harmonic, the non-magnetic-material material is used.

    [/SIZE][IMG][IMG]
    [SIZE=-1]Rating of a mode[/SIZE][SIZE=-1]Form [/SIZE][SIZE=-1]W super servo scheme Integrated Amplifier [/SIZE][SIZE=-1]Output power (20Hz - 20kHz) [/SIZE][SIZE=-1]70W 70W (8 ohm, AUX->SP out, both channel drive) [/SIZE][SIZE=-1]THD (20Hz - 20kHz) [/SIZE][SIZE=-1]0.015% (at the time of AUX->SP out and a rate)
    0.008% (at the time of AUX->SP out, 1 / 2 rates)
    0.003% (PH-man month->Rec out, 3V)
    0.015% (PH-MC->Rec out, 3V) [/SIZE][SIZE=-1]Cross modulation distortion [/SIZE][SIZE=-1]0.008% (AUX->SP out) [/SIZE][SIZE=-1]Power Band Width [/SIZE][SIZE=-1]5Hz - 100kHz (IHF-3dB, THD0.2%) [/SIZE][SIZE=-1]Dumping factor [/SIZE][SIZE=-1]100 (1kHz, 8ohms) [/SIZE][SIZE=-1]Frequency characteristic [/SIZE][SIZE=-1]20Hz-20kHz}0.2dB (PH->Rec out, RIAA deflection)
    2Hz-100kHz 0dB-2dB (AUX->SP out, RIAA deflection) [/SIZE][SIZE=-1]Input sensitivity/impedance [/SIZE][SIZE=-1]Phono man month: 2.9mV / 47kohm
    Phono High MC: 2.9mV/100 ohm
    Phono MC: 280 microvolts/330 ohm
    Tuner, AUX, Tape Play1, 2:150mV / 47kohm [/SIZE][SIZE=-1]Phono maximum permissible input
    (1kHz/10kHz 0.05%) [/SIZE][SIZE=-1]Phono MM:250mV/1200mV
    Phono High MC:250mV/1200mV
    Phono MC:23mV/110mV [/SIZE][SIZE=-1]An Output voltage/impedance [/SIZE][SIZE=-1]Tape Rec1, 2:150mV / 2.2kohm [/SIZE][SIZE=-1]S/N ratio (IHF A, input short-circuit) [/SIZE][SIZE=-1]Phono MM:87dB
    Phono MC:72dB
    Tuner, AUX, Tape Play1, 2:100dB [/SIZE][SIZE=-1]Tone control (Vol-16dB) [/SIZE][SIZE=-1]Bass(70Hz): }8dB
    Treble(20kHz): }8dB [/SIZE][SIZE=-1]Loudness [/SIZE][SIZE=-1] 6dB, 100Hz [/SIZE][SIZE=-1]Subsonic Filter [/SIZE][SIZE=-1]15Hz, 20Hz 6dB/oct [/SIZE][SIZE=-1]Muting [/SIZE][SIZE=-1]-20dB [/SIZE][SIZE=-1]Power source [/SIZE][SIZE=-1]100V, 50/60Hz [/SIZE][SIZE=-1]Power consumption
    (Electrical Appliance and Material Control Law specification) [/SIZE][SIZE=-1]110W [/SIZE][SIZE=-1]AC outlet [/SIZE][SIZE=-1]unswitched: One piece (200W)
    switched: Two pieces (total 200W) [/SIZE][SIZE=-1]Dimensions [/SIZE][SIZE=-1]Width 435x height 142x depth of 385mm [/SIZE][SIZE=-1]Weight [/SIZE][SIZE=-1]11.0kg [/SIZE]
    Nguồn: http://muare.vn


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