Yamaha Integrated Amplifier A-2000a Dual Amp Class A with ZDR circuit Junk

$661.0 Buy It Now or Best Offer
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Seller Store ks-mart-japan
(12) 100.0%,

Location: Naga-shi-mizu
Ships to: US,
Item: 405366526350

Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:60 Days
Refund will be given as:Money Back
Yamaha:Yamaha
Type:Integrated Amplifier
Color:Silver
A-2000A:A-2000A
MPN:Does not apply
Year Manufactured:1987

Product description The integrated amplifier is equipped with a Dual Amp Class A with ZDR circuit that is a combination of a pure class A amplifier and a high power class AB amplifier (bootstrap amplifier). The slight distortion component generated at the output stage is also canceled by the ZDR circuit. Equipped with Yamaha’s original RICHNESS circuit. NS-2000 exclusive, NS-1000x/NS-1000M, and general-purpose 3 positions reinforce the low frequency f characteristic with the most audibly natural 1-octave width. For the capacitor in the power supply part, we have adopted an audio chemical condenser with a multi-divided foil multi-terminal structure from the standpoint of emphasizing sound quality. The current amplification stage has one channel of 55000μFx2, and the voltage amplification stage has one channel of 4700μFx2, with a total capacity of approximately 240,000μF. Furthermore, by using separate transformers for the preamplifier and power amplifier sections, stable power supply is possible even when there are dynamic load fluctuations. Furthermore, by using a non-current earth + one-point earth that does not supply power to the earth, modulation and fluctuations in the output signal are eliminated and amplification stability is maintained. For the volume, we use a precision 4-channel volume that narrows down before and after the flat amplifier, improving the actual S/N and suppressing noise even at low volumes. We have thoroughly improved the sound quality by introducing quality parts such as a copper-plated chassis, oxygen-free copper wire, and gold-plated pin jack terminals. The exterior features a solid aluminum machined volume knob, a knob inside the ceiling panel, and poly-coated real walnut side panels. ●Main specifications Model integrated amplifier Rated output (20Hz to 20kHz) 150W+150W (6Ω, distortion 0.003%) 130W+130W (8Ω, distortion 0.003%) Power band width 10Hz to 100000Hz (65W, 8Ω, distortion 0.02%) Damping factor 200 or more (1kHz, 8Ω)Input sensitivity/impedance Phono1 MC:100μV/100Ω, 1kΩ Phono1 MM:2.5mV/47kΩ(220pF, 330pF)100Ω Phono2 MM:2.5mV/47kΩ 220pF AUX:150mV/47kΩ Main In:1V/100kΩ Total harmonic distortion MC:0.004% AUX:0.003% Main In:0.002% RIAA deviation MM, MC: 20Hz to 20000Hz, ±0.2dB S/N ratio (IHF-A) MC:83dB MM:88dB Richness 1:+7.5dB, 30Hz 2:+7.5dB, 40Hz 3:+7.5dB, 50Hz Power supply AC100V, 50/60Hz Power consumption 420W External dimensions Width 473x Height 169x Depth 464mm Weight 26kg ★The condition of the product is generally poor and is a junk item. For “remote delivery areas”, additional fees will be charged. Import duties,taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. These charges are normally collected by the delivering freight(shipping) company or when you pick the item up. -do not confuse them for additional shipping charges. We do not mark merchandise values below value or mark items as “gifts”. -US and International government regulations prohibit such behavior.

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