Phono preamplifier

Specifications:

• Processes signals from moving magnet and moving coil pickup cartridges
• Separate inputs for moving magnet and moving coil cartridges
• Sensitivity moving coil cartridges >= 0.2 mV
• Input impedance moving coil cartridges: selectable 50, 100 or 200 Ohm
• Sensitivity moving magnet cartridges >= 2 mV
• Input impedance moving magnet cartridges 47 kOhm
• Accuracy of correction for disc cutting (RIAA) characteristic < 0.05 dB (30 Hz - 30 kHz)
• Rumble filter 10 Hz, first order
• Frequency response 10 Hz - 100 kHz
• Output signal strength variable in three 6 dB steps for adjustment of cartridge sensitivity
• Switching functions by gas filled micro relais on printed circuit boards for trouble-free operation 

Diamant active loudspeaker system

Active 3-way loudspeaker system including

• active 3-way cross-over filter
• electronic compensation of the loudspeaker properties
• 4 power amplifiers (two in a bridge configuration)
• Distortions minimised for human hearing
• Impedance compensation for the loudspeaker units
• Frequentie range: 16 – 35000 Hz (± 3 dB)

Time optimised

Pyramide active loudspeaker system

Active 3-way loudspeaker system including

• active 3-way cross-over filter
• electronic compensation of the loudspeaker properties
• 4 power amplifiers (two in a bridge configuration)
• Distortions minimised for human hearing
• Impedance compensation for the loudspeaker units
• Frequentie range: 16 – 35000 Hz (± 3 dB)

Time optimised

Control amplifier

• 6 linear inputs
• Input sensitivity 200 mVeff.
• 3 outputs
  • controlled for the Diamant / Pyramide / TC power amplifier
  • controlled for the (TC) headphone amplifier
  • not controlled for A/D converter
• Amplification approx. 8 times
• Input selection, volume and balance control, rumble filter by remote control
• Frequency range 2 – 200 000 Hz (-3 dB)
• Distortions minimised for human hearing

Power amplifier

• Input sensitivity 1.5 Veff.
• Amplification approx. 15 times
• Output power 75 Weff / 6 Ω (= 8 Ω after impedance compensation)
• Frequency range 2 – 150 000 Hz (-3 dB)
• Powerbandwidth 2 – 50 000 Hz
• Distortions minimised for human hearing

Headphone amplifier

• Input sensitivity 1.5 Veff.
• Amplification approx. 15 times
• Applicable for headphones with minimum impedance of 30 Ω
• Output power 400 mWeff at 300 Ω
• Frequency range 2 – 150 000 Hz (-3 dB)
• Power bandwidth 2 – 80 000 Hz
• Distortions minimised for human hearing