QED MB 45

Data

QED Stereo Headphone Amplifier MB 45

General:

• Manufacturer: QED
• Model: MB 45
• Years of manufacture: 1992 - 1997
• Made in: England
• Color: Black
• Type: Analog
• Dimensions: 160mm x 55mm x 120mm (WxHxD)
• Weight:
• Original price approx: 330,00 DM

Connections:

• Number of inputs: 2

2x Cinch input

• Number of outputs: 4
  • 2x Cinch output
  • 2x jack socket 6,3mm

Technical Data:

• Amplifier: LM-1877N Monolithic Dual Power Amplifier
• Supply voltage: 12V, 500mA
• Power Consumption:
• Recommended headphone impedance:
• Continuous power (at distortion).
  • 2x 2Watt/channel (0.1%).
• Frequency response:
• Signal-to-noise ratio: 70 dB
• Stereo channel separation: 60 dB

Special Features:

• Volume and balance adjustable via two-stage ALPS potentiometer
• Two headphone jacks
• Tape monitor circuit
• Gold plated RCA jacks

Remarks

Due to the plastic housing very susceptible to interference from DECT stations.

Pictures

Figure 1: QED MB45 Front

Figure 2: QED MB45 back panel

Figure 3: QED MB45 after modification.