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Linea Research 48m20 – Class D Power Amplifier

Linea Research 48m20 – Class D Power Amplifier

Key Features

  • Eight channels of sonically pure Class D amplification
  • Unique, precise, 96kHz digital signal processing
  • Over-designed switch mode power supply
  • 3,200 to 10,000 Watts RMS total output
  • Full front panel user interface
  • Ethernet network for system operation and monitoring
  • 4 Analogue, 2 AES3 and 8 Dante™ / AES67 digital network audio inputs
  • Powerful grouping & multi-layer EQ

Product Overview

The Linea Research 48M20 is an eight-channel professional power amplifier engineered for high-performance live sound and installed audio systems where high channel count and reliable power delivery are required. It provides consistent, low-distortion amplification across all channels, making it suitable for driving distributed loudspeaker arrays, multi-way systems, or large-scale sound reinforcement setups.

The unit offers eight balanced analogue XLR inputs and eight Speakon output connectors, allowing straightforward integration with multi-zone systems and complex loudspeaker configurations. Networked digital audio connectivity via Dante / AES67 enables flexible routing and control within modern audio networks.

Designed for continuous operation in demanding environments, the 48M20 incorporates advanced protection, monitoring, and system control features to ensure stable performance in both touring and fixed installation applications.

Specifications

Condition
New
Model
48M20 (48 Series)Channels: 8Amplifier Topology: Linea Research Class DDSP: 96 kHz Integrated DSP (40-bit resolution)Total Power Output: 20,000 W RMS (all channels driven)Power Output (Per Channel)RMS Power (2 Ω, Crest Factor 4): 1,500 WRMS Power (4 Ω, Crest Factor 2.8): 2,500 WRMS Power (8 Ω, Crest Factor 2): 1,500 WBridged Power (4 Ω load): 3,000 WBridged Power (8 Ω load): 5,000 WConstant Voltage (CV) Operation100V Line (Crest Factor 4): 2,500 W70V Line (Crest Factor 4): 1,937 W25V Line (Crest Factor 4): 625 WAudio Performance & PhysicalFrequency Response (4 Ω): < 7 Hz – > 30 kHz (-2.5 dB)Dynamic Range: > 113 dBA (Analogue) / > 114 dBA (AES/Dante)THD: < 0.05% (typical, 1 kHz, 4 Ω)Mains Input: 85 V – 240 V (Auto-sensing)Connectors: 4x XLR (Analogue IN), 1x XLR (AES3 IN), 4x NL4 Speakon, 32A PowerconDimensions (H×W×D): 88 mm × 483 mm × 357 mmRack Format: 2U Standard RackmountWeight: 12.5 kg (27.5 lbs)

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