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Lorenz Class-D Power Amplifier LZV200DF

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Lorenz Class-D Power Amplifier

LZV200DF

 

Overview:

The Lorenz Class-D Power Amplifier is engineered to deliver exceptional sound clarity, high efficiency, and long-term reliability in professional audio installations. Packaged in a compact ½-rack form factor, it is ideal for integration into space-constrained environments without compromising performance. The amplifier is designed for mission-critical applications such as conference rooms, training centers, auditoriums, command & control facilities, and high end AV infrastructures.

 

Features:

  • Compact Professional Design – High-performance Class-D amplification in a space-saving ½ rack chassis, ideal for flexible system integration.
  • Scalable Options – Available in both 2-channel and 4-channel models with selectable power supply capacities to suit diverse applications.
  • State-of-the-Art DSP – Integrated DSP for precise system tuning, protection, and performance optimization.
  • Flexible Connectivity – Multiple analog input options across all models, with line-level outputs provided in the 2-channel versions.
  • Audio Networking – AL+ Models: AES67 audio networking support.
  • AD(L) Models: Dual-protocol compatibility with AES67 and Dante™ AoIP, powered by an integrated Gigabit Ethernet switch with daisy-chain capability for seamless networked audio.
  • Discreet Installation – Compact sealed versions are certified for hidden placements, including ceiling mounts and in-wall enclosures.
  • Versatile Mounting – Supplied accessories allow mounting of one or two amplifiers in a 19” rack, a single unit in an 11” rack, or directly onto any surface (wall, ceiling, or under-table). Rubber feet also enable shelf placement.
  • Auto Setup Function – A single-button configuration automatically calibrates gain, limiters, and high-pass filters based on connected loudspeakers, ensuring optimum performance with minimal effort.
  • Power Sharing Technology – Each channel intelligently shares headroom, allowing up to the full rated output of the power supply in the 320W models, and proportionately high delivery in the 600W series.
  • Applications – Perfect for conference rooms, training centers, classrooms, and distributed audio systems, the Lorenz Class-D Power Amplifier guarantees professional sound reinforcement with energy efficiency, flexibility, and long-term reliability.

QUANTITY

Specifications

General

  • Amplifier Type: Dual Channel, Class D, Professional Power Amplifier

  • Channels: 2 Independent Channels

  • Rated Output Power: 2 × 100 W RMS @ 4/8 Ω

  • Bridged Mono Mode: 200 W RMS into 8 Ω

  • Application: Conference Rooms, Auditoriums, Classrooms, Professional AV Installations

Audio Performance

  • Frequency Response: 20 Hz – 20 kHz (±0.5 dB)

  • Signal-to-Noise Ratio (SNR): ≥ 100 dB (A-weighted)

  • THD+N: ≤ 0.1% (1 kHz, rated power)

  • Crosstalk: ≥ 75 dB @ 1 kHz

  • Damping Factor: > 200 (8 Ω, 20 Hz – 1 kHz)

  • Slew Rate: ≥ 20 V/μs

  • Dynamic Range: ≥ 103 dB

Inputs

  • Input Type: Balanced (XLR/3-pin Phoenix), Unbalanced (RCA/TRS)

  • Input Impedance: ≥ 20 kΩ balanced, ≥ 10 kΩ unbalanced

  • Input Sensitivity: +4 dBu (adjustable)

  • Gain Control: Front-panel rotary pots or digital control

Outputs

  • Output Connectors: 5-way Binding Posts / Phoenix Euroblock

  • Load Impedance: Stable down to 4 Ω

  • Bridging Capability: Switch-selectable Bridged Mono mode

Protection

  • Circuits: Over-current, Over-temperature, DC fault, Short-circuit, Clip Limiting, Undervoltage

  • Power-On Sequence: Muted start-up with inrush current limiting

  • Thermal Management: Auto shut-down at critical temperature

Indicators

  • Front Panel Indicators: Power LED, Signal Present, Clip/Limiter, Protect, Over-Temp

  • Standby Mode: Auto standby after 25 min inactivity; Resume < 1 sec

Power Supply

  • Type: Switch-Mode Power Supply (SMPS), Universal

  • Operating Voltage: 100 – 240 V AC, 50/60 Hz

  • Power Consumption: < 15 W (idle), < 1 W (standby), ~250 W (max load)

Mechanical

  • Cooling: Convection cooled, fanless, ventless chassis

  • Form Factor: 1U Half-rack (rack-mountable with brackets)

  • Dimensions (W × H × D): ~220 × 44 × 250 mm

  • Weight: ~3.5 kg

  • Mounting Options: Desktop, Under-table, Rackmount (1U half-rack, optional 19″ rack kit)

Environmental

  • Operating Temp: 0°C to +40°C

  • Storage Temp: –20°C to +70°C

  • Humidity: 10 – 90% non-condensing

  • MTBF: > 100,000 hours

Compliance

  • Safety: CE, UL, BIS, CB Scheme

  • Environmental: RoHS, WEEE, REACH

  • EMC/EMI: FCC Part 15 Class B, EN55032, EN55035

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