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Accuphase A-48 - Stereo Power Amplifier

Accuphase A-48 - Stereo Power Amplifier

by Accuphase
SKU ACUPHSE-A-48
Rs. 0.00 - Rs. 0.00
Rs. 0.00
Rs. 0.00 - Rs. 0.00
Rs. 0.00
  • Please get in touch with us before placing a direct order
  • Authorised Accuphase Dealer in India
  • Brand New in a Box Unit(s)
  • Price is inclusive of all taxes
  • Official Accuphase India Warranty

Country of Origin:

Featuring a six-fold parallel push-pull architecture with power MOS-FETs, as well as ideal gain allocation realized with discrete semiconductors in an instrumentation amplifier configuration, the A-48 harnesses a wealth of advanced technology. Its outstanding performance is exemplified by a signal/noise ratio of 117 dB, output of 360 watts into 1 ohm (music signals), and a damping factor of 800. The newly designed output protection circuit can detect any short-circuiting of the speaker terminals, for complete peace of mind. This power amplifier is the ultimate instrument for immersive music appreciation on the highest level. 

Warranty:

1-year manufacturer's warranty

Features:

  • Power MOS-FETs in 6-parallel push-pull configuration
  • Linear output characteristics over entire load impedance range
  • Strong power supply with massive toroidal transformer and large 60,000 μF filtering capacitors
  • Instrumentation amplifier principle
  • High-gain signal input section in discrete configuration
  • Dedicated power supply for signal input section
  • Polarity switching for balanced input connectors
  • MCS+ circuit topologys
  • Current feedback principle in amplification circuitry
  • Protection circuitry using MOS-FET switches
  • High damping factor of 800
  • Speaker output protection circuit guards against short-circuiting
  • Two sets of large speaker terminals
  • 4-step gain control
  • Support for bi-amping and bridged mode
  • Aluminum top plate with hairline finish

Video Review:

Technical Specifications:

Continuous Average Output Power (20–20,000 Hz):

Stereo operation (both channels driven) - 360 watts per channel into 1 ohm, 180 watts per channel into 2 ohms, 90 watts per channel into 4 ohms, 45 watts per channel into 8 ohms. Monophonic operation (bridged connection) - 720 watts into 2 ohms, 360 watts into 4 ohms, 180 watts into 8 ohms.

Total Harmonic Distortion:

Stereo operation (both channels driven) - 0.05% with 2 ohm load, 0.03% with 4 to 16 ohm load. Monophonic operation (bridged connection) - 0.05% with 4 to 16 ohm load

Intermodulation Distortion:

0.01%

Frequency Response:

At rated output: 20 – 20,000 Hz +0, -0.2 dB. At 1 watt output: 0.5 – 160,000 Hz +0, -3.0 dB

Gain:

28.0 dB (with GAIN selector at MAX) (Stereo and monophonic operation)

Gain Selection:

MAX, -3 dB, -6 dB, -12 dB

Output Load impedance:

Stereo operation - 2 to 16 ohms. Monophonic operation: 4 to 16 ohms

Damping Factor:

800

Input Impedance:

Balanced - 40 kilohms. Line - 20 kilohms

Signal-to-Noise Ratio (A-weighted, input shorted):

117 dB (GAIN selector at MAX), 122 dB (GAIN selector at -12 dB) At rated continuous average output

Output Level Meters:

-60 dB to +3 dB (indication in dB and %) Logarithmic scale. Operation selector: OFF / NORMAL / HOLD (∞). Meter sensitivity selector (-20 dB). ＊Monophonic operation: same value displayed for left/right.

Power Requirements:

AC 120 V/230 V, 50/60 Hz (Voltage as indicated on rear panel)

Power Consumption:

180 watts idle. 427 watts in accordance with IEC 60065

Maximum Dimensions:

Width 465 mm, Height 211 mm, Depth 464 mm

Mass:

33.0 kg net, 40.0 kg in shipping carton

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