Technics SU -A707 High End Audiophile (1999) Japan

Great Yarmouth, Norfolk £220.00

roman

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roman

Posting for 3+ years See all ads

Contact details

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Posted
9 days ago

Description

This gold is High End true Audiophile Amplifier !


Description
Integrated amplifier which attained low-noise-ization by carrying VGCA

The original low-noise amplifier VGCA (Variable Gain Control Amplifier) is adopted as an amplifying circuit.
The amplifier stream composition which extracts a signal and is amplified after that in the conventional input volume in this circuitry is stopped, and only a part to be amplified gives gain to amplifier by changing the gain of an amplifier part itself, and it is made to operate as buffer amplifier in the gain not more than it. Moreover, the sound-volume control is performed in the volume which interlocks after amplifier. This has realized the play in the usually used volume location of a clearer sound.

The MOS ClassAA circuitry which adopted based on the ClassAA circuitry and adopted MOS FET as the amplification element is carried.
In the ClassAA circuitry, individual amplifier is performing the voltage amplification and the current supply source, and high power and perfect Class-A voltage control are realized.
In the MOS ClassAA circuitry carried in SU-A808, an input impedance is very high in the last stage which controls the output-terminal of pure Class-A voltage control amplifier, and has adopted the amplification element MOS FET excellent in the linearity as it. Moreover, there are few losses, the bipolar transistor which is acknowledged in the Oide power operation is adopted as the final stage of current-supply-source amplifier, and the correspondence to a digital format of a DVD-Audio etc. is aimed at to it according to the class AA bridge effect of demonstrating the benefit of each amplifier to the maximum extent.

Magnetic flux is uniform, R core power transformer with circular core cross-section form is adopted as a power transformer, in order that there may be no joint in a core, there is very little leakage magnetic flux, and the noise occurrence by a magnetic field is suppressed.

The capacitor using the separator which blended the bamboo fiber is adopted as an electrolytic capacitor, and the tone quality which stopped an unnecessary incidental sound is realized.

The gilding RCA termination is adopted.

The speaker termination corresponding to a banana plug is carried.


Rating of a mode
Form Integrated amplifier
Output power 50W+50W (6 ohms, 20Hz - 20kHz, 0.03%)
40W+40W (8 ohms, 20Hz - 20kHz, 0.03%)
THD 0.03% (20Hz - 20kHz, Output power total to -3dB, 8 ohms, and the 10th higher harmonic)
Dumping factor 60 (8ohms)
Load impedance A or B : 4ohms - 16ohms
A+B: 8ohm-16ohm
Frequency characteristic Tuner, compact disk, DVD and Aux, Tape1, and Tape2/micro-disk:3Hz-100kHz+0 -3 dB
20Hz-20kHz+0 -0.3 dB
Input sensitivity/impedance Tuner, compact disk, DVD and Aux, Tape1, Tape2/micro-disk:150mV /, 22kohm
Phono man month: 2.5mV / 47kohm
S/N ratio Tuner, compact disk, DVD and Aux, Tape1, Tape2/micro disk: 98dB (JEITA)
114dB (at the time of S=2V Output power IHF'A)
Phono MM:80dB(JEITA
76dB(IHF'66)
Output-power voltage Tape1, Tape2/micro disk Rec out: 150mV
Power source AC100V, 50Hz/60Hz
Power consumption 130W
Dimensions Width 430x height 136x depth of 368mm
Weight 7.4kg
Adjunct System remote control

Local pick up from Great Yarmouth

Ad ID: 1275419305

Delivery Service Consumer Credit

Stay Safe

  • "Meet face to face, never send payment for items you've not seen"
  • "If an ad or reply sounds too good to be true, it probably is"
  • "Use the 'Reply to ad' button for your safety and privacy"
  • "Don't reply to email addresses hidden in text and pictures"
  • "Beware of fake Gumtree, eBay or escrow sites and invoices"
  • "Don't carry large sums of money with you when meeting up"
  • "Tell others when/where you're going to trade, and bring a friend"
  • "Don't ship items - always trade face to face"
  • "Don't use Paysafe, Ukash or Western Union for Gumtree trades"
Read all safety tips 1 of 9

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