The PA 2500 R integrated amplifier is a robust step up from the PA 2000 R, exhibiting a notable increase in size, power output, and connectivity options. Despite these enhancements, it maintains the revered sound quality of its predecessor. Typically, high-power amplifiers might lose nuances in dynamics and detail, but the PA 2500 R avoids this common pitfall. Featuring the same fundamental circuit design and circuit board layouts as the PA 2000 R, it includes significantly larger heat-sinks and houses two new high-performance mains power supply units. This configuration enables the PA 2500 R to deliver over 280 Watts of continuous power per channel into 4 Ohms loudspeakers, allowing it full control over speakers that pose challenges in terms of phase and impedance. Despite its increased power, the PA 2500 R preserves the dynamic, refined sound that users expect, matching powerhouse performance with sophisticated audio finesse.

Features

General Features

  • Dimensions (H x W x D): 16.5 cm × 46 cm × 40.5 cm
  • Weight: 14.5 kg
  • Finishes:
    • Silver anodised aluminium (43)
    • Black anodised aluminium (42)
    • Brushed
  • Mains Connection: 100 – 120 V or 200 – 240 V, 50 – 60 Hz, Max. 2000 Watt
  • Standby Power Consumption: < 0.5 W

Audio Performance

  • Frequency Response:
    • Amp: 1 Hz – 150 kHz (+0/-3 dB)
    • Preamp: 0.5 Hz – 300 kHz (+0/-3 dB)
  • Signal to Noise Ratio:
    • Unweighted: 105 dB
    • A-weighted: 109 dB
  • Total Harmonic Distortion/Intermodulation:
    • Amp: < 0.02%
    • Preamp: < 0.001%
  • Slew Rate: 60 V/µs
  • Damping Factor: > 65
  • Channel Separation: > 90 dB

Connectivity

  • High Level (RCA): 4 × 250 mV … 4 Veff/20 kOhms
  • Balanced (XLR): 3 × 500 mV … 8 Veff/5 kOhms
  • Phono-MM (Optional): 1 – 5 mV, 16 Capacitances (Phono module replaces one high-level input)
  • Phono-MC (Optional): 60 – 1000 µV, 16 Impedances (Phono module replaces one high-level input)
  • Headphone Output: 50 Ohms
  • Pre-Outs:
    • RCA: Nom 1 Veff, Max 9.5 Veff, 75 Ohms
    • XLR: Nom 1.45 Veff, Max 19.6 Veff, 75 Ohms

Output Power

  • Nominal Output per Channel:
    • Into 8 Ohms: 140 Watts
    • Into 4 Ohms: 280 Watts
    • Into 2 Ohms: 560 Watts

Additional Features

  • Loudness: Switchable, variable to suit loudspeaker efficiency
  • Tone Controls:
    • Bass/Treble: Switchable, channel-separate, -6 to +8 dB
  • Reservoir Capacity: 120000 µF
  • Control Interface: R2-Link
  • Remote Control: SRC 1
  • Additional Features:
    • Trigger input +5V … 20V via adapter plug for remote power-on
    • Input 3 (symmetrical) or 5 (asymmetrical) can be configured as Surround Pass Through

Optional Accessories

  • PHE-P/PA R MM or MC phono content_default
  • Power Three HD (Carbon)
  • Power Bar
  • Audio Quad (Carbon)
  • Speaker Hex (Carbon)
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