Accuphase P-800 Power Amplifier AC100V/117V/220V/240V 50Hz/60Hz

$4085.0 Buy It Now or Best Offer
free,30-Day Returns

Seller Store nicology_jp
(578) 100.0%,

Location: Hokkaido
Ships to: US,
Item: 146114303717

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
Supported Modes:N/A
Custom Bundle:No
MPN:P-800
Bundle Listing:No
Surround Sound Formats:N/A
Compatible Product:Universal
Audio Outputs:Speaker Binding Post
Audio Inputs:Stereo L/R RCA,XLR
Unit Type:Unit
Number of Channels:1
Number of Digital RCA Inputs:0
Manufacturer Warranty:N/A
Number of Inputs:1
Features:Active Amplification
Unit Quantity:1
Non-Domestic Product:No
Receiver Combo Features:N/A
Color:Brown
Modified Item:No
California Prop 65 Warning:N/A
Number of Outputs:1
Amplifier Class:AB
ACCUPHASE:ACCUPHASE
Type:Stereo Power Amplifeir
P-800:P-800
Number of L/R RCA Inputs:1
Country/Region of Manufacture:Japan
Power:N/A

Accuphase P-800 Power Amplifier AC100V/117V/220V/240V 50Hz/60Hz From Japan DescriptionThis stereo power amplifier follows the development technology of the M-1000 and aims to achieve both high-quality sound and high output. It is configured in a balanced system with two sets of all-stage push-pull drive unit amplifiers connected to a bridge, improving performance. The balanced system requires a transmission system dedicated to positive and negative signals, but external noise is theoretically canceled, and distortion generated by the amplifier is also canceled by the output circuit, allowing for purer signal transmission. The power supply section uses independent left and right power supplies to achieve performance equivalent to that of a mono amplifier.In addition, two power supplies with simply halved power capacity have a higher power impedance than a single transformer system, which is disadvantageous, so the P-800 uses a large-capacity 1.5kVA transformer that can be used for stereo with just one unit, ensuring sufficient margin. In addition, the filter capacitors are equipped with 82,000μFx4, for a total capacity of 328,000μF. The output stage of each unit amplifier uses wideband transistors with a collector loss (Pc) of 130W in a 7-parallel push-pull configuration, with a total of 28 transistors for each channel (2 units). As a result, the total collector loss reaches 3.6kW. In addition, to prevent switching distortion at low output that occurs in the output stage, the operating point is strictly set so that the PNP and NPN elements are not cut off (state where no current flows at all) by the input signal. In addition, the P-800 is equipped with a low-load impedance switch using a low-impedance drive method that utilizes the basic properties of transistors, and by switching the supply voltage, it is possible to supply large power even at low loads. This allows it to handle 1Ω and 2Ω loads, and the full load compatibility makes it possible to fully drive low-impedance, low-efficiency flat-panel speakers and electrostatic speakers. The front stage that drives the final stage uses a MOS FET equivalent to a non-switching Class A drive and is configured in a cascode push-pull configuration. In addition, the front stage that sends a signal to this MOS FET also has a Class A cascode push-pull configuration.This results in a stable output stage with little distortion, from low output in the noise region to high output at the rated output. The input stage uses a class A cascode differential push-pull system.The cascode circuit is used for high frequency amplification, and is stable over a wide frequency band, has good input linearity, and can ensure a wide dynamic range. The large analog power meter allows direct reading of power between -60dB and +3dB using logarithmic compression.It also has a switch to turn off the meter operation and illumination. The input terminals are equipped with both balanced and unbalanced inputs. The side board has a natural persimmon finish. A fan is sold separately, which is ideal for setting the unit in a place with poor heat dissipation or when operating at high output for long periods of time, and can be set inside the side board. Continuous average output(20Hz to 20kHz)Normal Load Imp. Operation (0.01% distortion): 600W/ch (4Ω)400W/ch (8Ω)200W/ch (16Ω)Low Load Imp. Operation (0.05% distortion): 600W/ch (1Ω)400W/ch (2Ω)200W/ch (4Ω)Total harmonic distortion 0.05% (1Ω to 4Ω load)0.01% (4Ω to 16Ω load)IM distortion 0.003%Frequency response 20Hz to 20kHz ±0dB (at continuous average output, level control MAX)0.5Hz to 150kHz +0 -3.0dB (at 1W output, level control MAX)0.5Hz to 80kHz +0 -3.0dB (at 1W output, level control -6dB)Gain 28.0dBLoad impedance Normal Load Imp. Operation: 4Ω to 16ΩLow Load Imp. Operation: 1Ω to 4ΩDamping factor 200 (EIA, 50Hz)Input sensitivityNormal Load Imp. Operation: 2.25V (8Ω load, continuous average output)0.12V (8Ω load, 1W output)Low Load Imp. Operation: 1.13V (2Ω load, continuous average output)0.06V (2Ω load, 1W output)Input impedance Unbalanced input: 20kΩBalanced input: 40kΩS/N (A-weighted) 125dB (input short, continuous average output)95dB (input 1kΩ, 1W output)Output meter Logarithmic compression peak display type-60dB to +3dB and output direct reading scaleSemiconductors used Transistors: 158FETs: 20ICs: 15Diodes: 158Power supply: AC100V/117V/220V/240V, 50Hz/60HzPower consumption: 110W+110W (no input)550W+550W (Electrical Appliance and Material Control Law)740W+740W (8Ω load rated output)External dimensions: Width 481 x Height 239 (including legs) x Depth 489mm (including rear panel legs)Weight: 47.2kg*The voltage at the time of shipment is 100V, so please adjust the internal voltage to match the voltage in your country. ShippingWe will ship the item by FedEx, DHL, UPS, Japan Post (EMS/Airmail) and provide the tracking number. Shipping is only available to the address registered.Please note that any address not registered is not acceptable to ship. Shipping is possible from Monday to Friday.Saturdays, Sundays, and Japanese holidays are not available because the transportation company is closed.International Buyers – Please Note:Import duties and taxes are not included in the item price or shipping cost. Please check with your country’s customs office to determine these additional costs prior to bidding or buying. Additionally, if the delivery address is in a remote area, there may be additional charges by FedEx or DHL. If such charges occur, you may be asked to pay an additional $15 to $20.

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