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Accuphase E-650 - Integrated Stereo Amplifier

Accuphase E-650 - Integrated Stereo Amplifier

by Accuphase
SKU ACUPHSE-E-650
Rs. 0.00 - Rs. 0.00
Rs. 0.00
Rs. 0.00 - Rs. 0.00
Rs. 0.00
  • Get in touch for a Discounted Price
  • Authorised Accuphase Partner in India
  • Brand New in a Box Unit(s)
  • Price is inclusive of all taxes
  • Official Accuphase India Warranty

Country of Origin:

Innovative engineering and top-grade parts and materials come together in this product featuring the superb Balanced AAVA type volume control and a triple parallel arrangement of power MOS-FETs in the output stage. The power amplifier section employs the latest instrumentation amplifier configuration for balanced signal transmission, resulting in an integrated amplifier with fully balanced configuration from the inputs right through to the output. The massive power supply and low-impedance output circuitry deliver 150 watts per channel (into 1 ohm, with music signal) and a damping factor of 800.

Warranty:

1 year manufacturer's warranty

Features:

  • First integrated amplifier featuring Balanced AAVA volume control
  • Pure Class A operation(30 watts into 8 ohms)
  • Guaranteed linear power: 120 watts into 2 ohms, 60 watts into 4 ohms,30 watts into 8 ohms
  • Output stage with power MOS-FETs in triple parallel push-pull configuration
  • Instrumentation amplifier principle in power amplifier for fully balanced signal transmission, complemented by MCS+ topology and current feedback amplification circuitry
  • Strong power supply with massive high-efficiency transformer and large filtering capacitors
  • Preamplifier and power amplifier sections can be used separately
  • Numeric indication of volume level

Video Review:

INTEGRATED STEREO AMPLIFIER

Innovative engineering and top-grade parts and materials come together in this product featuring the superb Balanced AAVA type volume control and a triple parallel arrangement of power MOS-FETs in the output stage. The power amplifier section employs the latest instrumentation amplifier configuration for balanced signal transmission, resulting in an integrated amplifier with fully balanced configuration from the inputs right through to the output. The massive power supply and low-impedance output circuitry deliver 150 watts per channel (into 1 ohm, with music signal) and a damping factor of 800.

Balanced AAVA volume control

As a first in an integrated amplifier, the E-650 features the sophisticated balanced AAVA type volume control incorporated in Accuphase's top-of-the-line preamplifier model C-3850. Balanced AAVA uses two AAVA circuits driven in a fully balanced configuration. This completely cancels out any external noise and results in an unsurpassed S/N ratio.

The output stage with power MOS-FETs in triple parallel push-pull configuration
Triple parallel push-pull output stage with power MOS-FETs and power amplifier stage mounted on a large heat sink. Two identical units are arranged on the left and right sides of the chassis.

Balanced I/O

Instrumentation amplifier principle in the power amplifier for fully balanced signal transmission, complemented by MCS+ topology and current feedback amplification circuitry

Strong power supply with a massive high-efficiency toroidal transformer and large filtering capacitors.

The E-650 uses a massive power transformer with high output capability. Highly effective filtering is realized with two custom-made aluminum electrolytic capacitors, each with a large 50,000 μF rating.

Technical Specifications:

Rated Continuous Average Output Power (both channels operating simultaneously, 20 - 20,000 Hz)

150 W/ch 1-ohm load (music signal only), 120 W/ch 2-ohm load, 60 W/ch 4-ohm load, 30 W/ch 8-ohm load

Total Harmonic Distortion (both channels operating simultaneously, 20 - 20,000 Hz)

0.05% 2-ohm load, 0.03% 4 to 16 ohm load

Intermodulation Distortion

0.01%

Frequency Response

HIGH LEVEL INPUT, At rated continuous average output

Damping Factor

800 (with 8-ohm load, 50 Hz)

Input sensitivity and impedance (rated output/1W output/Impedance)

High Level input -77.7mV/14.2mV/20kΩ, Balanced Input -77.7mV/14.2mV/40kΩ, Main In Line-0.617V/113mV/20Ω, Main In Balanced -0.617V/113mV/40kΩ

Output Voltage and Impedance

PRE OUTPUT 0.617 V, 50 ohms (at rated continuous average output)

Gain

HIGH LEVEL INPUT → PRE OUTPUT

Tone Controls - Turnover frequency and adjustment range

BASS; 300 Hz ±10 dB (50 Hz),TREBLE; 3 kHz ±10 dB (20 kHz)

Loudness compensator

＋6dB（100 Hz)

Attenuator

─20 dB

S/N Ratio, Input-converted Noise (SN ratio at rated output/SN ratio EIA)

High level Input - 102dB/97dB, Balanced input - 102dB/97dB, Main In - 117dB/101dB

Bar Meter

Represents output voltage value (dB) using 26 points With meter on/off switching function

Output Load Impedance

2 to 16 ohms

Stereo Headphones Suitable impedance

8 ohms or higher

Power Requirements

230v AC, 50Hz

Dimensions (WxHxD, mm)

465 x 191 x 428

Weight

25.3kg net, 32kg shipped

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