Akai stereo integrated amplifier M-2450

Description

Akai Stereo Integrated Amplifier M-2450: Full Description with Specifications

The Akai M-2450 is a vintage stereo integrated amplifier from the late 1970s or early 1980s, known for its solid build quality, clean design with large illuminated VU meters, and warm, satisfying sound. It offers a good balance of power and features for a classic hi-fi setup. This amplifier is a testament to Akai's reputation for producing reliable and aesthetically pleasing audio equipment during that era. Key Specifications:

• Power Output: 45 watts per channel into 8Ω (stereo), minimum RMS from 20Hz to 20kHz with no more than 0.1% total harmonic distortion.
• Speaker Load Impedance: Supports speakers from 4Ω to 16Ω. Can drive two sets of speakers (A and B), or A+B in parallel (8Ω to 16Ω).
• Frequency Response: 10Hz to 60kHz (+1dB, -1dB).
• Total Harmonic Distortion (THD): 0.1% at rated power.
• Damping Factor: 30 (at 1kHz, 8Ω).
• Input Sensitivity:
  • Phono (MM): 3mV / 47kΩ
  • Tuner: 150mV / 100kΩ
  • AUX: 150mV / 100kΩ
  • Tape Monitor (DIN/Line): 150mV / 100kΩ (Line), 3mV / 80kΩ (DIN)
• Signal-to-Noise Ratio (SNR):
  • Phono (MM): Better than 75dB (IHF)
  • Line (Tuner, AUX, Tape): Better than 95dB (IHF)
• Channel Separation: Better than 55dB at 1kHz (Phono).
• Output:
  • Line: 150mV / 1kΩ
  • DIN: 30mV / 80kΩ
  • Headphones: Accepts headphones with impedance from 4Ω to 16Ω.
• Tone Controls:
  • Bass: ±9dB at 100Hz
  • Treble: ±9dB at 10kHz
• Loudness Control: +10dB at 100Hz, +5dB at 10kHz (Volume control set at -30dB position).
• Semiconductors: 27 x transistors, 17 x diodes, 4 x ICs.
• Power Requirements: 120V 60Hz (USA/Canada), 220V 50Hz (Europe), 240V 50Hz (UK), 110/220/240V 50/60Hz (switchable for other countries).
• Power Consumption: 200W maximum.
• Dimensions (W x H x D): 440 x 144 x 345 mm (17.3 x 5.7 x 13.6 inches).
• Weight: 9.9 kg (21.8 lbs).
• Features:
  • Large, illuminated VU meters for visual indication of output power.
  • Phono input for connecting a turntable.
  • Multiple line-level inputs (Tuner, AUX, Tape).
  • Tape monitor loop for connecting a tape deck or equalizer.
  • A and B speaker selection.
  • Tone controls (Bass and Treble).
  • Loudness compensation for enhanced bass and treble at low volume levels.
  • Headphone jack.
  • Solid metal cabinet with a silver or black finish (depending on the model/market).