Parasound Model 275 Two Channel Power Amplifier

Description

THX Ultra2 certified
• 75 watts rms per channel into 8 ?, all channels driven
• 125 watts rms per channel into 4 ?, all channels driven
• 125 watts rms per channel into 2 ?, all channels driven
• 200 watts rms bridged into 8 ? or 4? mono
• 30 amps peak current per channel
• Impedance selector switch for 2 ? operation
• Bridging switch for stereo or mono operation
• A/B speaker terminals with individual on/off
• 18dB/octave high pass filter, switchable 20Hz or 40Hz
• Fully discrete circuitry with toroid transformers
• Efficient, low heat design
• DC Servo and relay protection circuits
• Automatic on/off by DC trigger with looping output
• Automatic on/off by audio signal with adjustable sensitivity
• Gold-plated RCA input jacks, loop output jacks
• Heavy duty 24k gold-plated 5-way speaker terminals
• Rear-mounted gain controls; ground lift switch
• 115/230v selector on rear panel
• Standby, channel status, high temperature indicators
• 1u chassis; RMK11 rack mount kit available
• (W x D x H): 17.25” x 16” x 2.5 ” / 1.75” without feet

 

  • Continuous RMS Power Output
    20 Hz – 20 kHz, Both Channels Driven
    75 watts x 2, 8 ?
    120 watts x 2, 4 ?
    120 watts x 2, 2 ?
  • Continuous RMS Power Output
    20 Hz – 20 kHz, Bridged Mono
    200 watts, 8 ?
    200 watts, 4 ?
  • Current Capacity
    20 amps peak per channel
  • Frequency Response
    20 Hz – 50 kHz, +0/-3 dB, 1 watt
  • Dynamic Headroom
    1.3 dB
  • Total Harmonic Distortion
    0.035% at full rated output
    0.025% at average listening levels
  • IM Distortion
    0.05 %
  • Transient IM Distortion
    Not measurable
  • S/N Ratio
    110 dB at rated output, IHF A-weighted
    103 dB at rated output, unweighted
    93 dB at 2.828 V output, IHF A-weighted
    84 dB at 2.828 V output, unweighted
  • Input Impedance
    33 k ?
  • Input Sensitivity
    800 mV for full rated output
  • Inter-Channel Crosstalk
    80 dB, 1 kHz
    72 dB, 10 kHz
    65 dB, 20 kHz
  • Damping Factor
    Over 150 at 20 Hz
  • Auto Turn On – DC
    9 – 12V, 15 mA
  • Auto Turn On – Audio
    1.2 mV – 12 V, adjustable
    15 minute turn off delay
  • AC Power Requirement
    110 – 120 V / 220 -240 V, 50 – 60 Hz
    3 watts standby; 350 watts full output
  • Dimensions
    17-1/4″ Wide
    16″ Deep, with connectors
    2-1/2″ High with feet, 1-3/4″ panel only
    437 x 406 x 63mm, 44.1 mm panel only
  • Net Weight
    21 lbs , 9.6 kg
  • Rack Mount Accessory
    May be Purchased Separately
    RMK11