D&B audiotechnik D12 – Dual‑Channel Digital Amplifier with Loudspeaker Management

The d&b D12 is a high-efficiency two-channel Class‑D amplifier equipped with onboard digital signal processing. It’s ideally suited for medium to large sound reinforcement applications where precision control and reliability are required.

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🔌 Power & Output

• 2 × 1,200 W into 4 Ω
• 2 × 800 W into 8 Ω (6 dB crest factor)
• In high-crest mode (12 dB), outputs rise to 2 × 1,600 W / 2 × 800 W
• Ultra-stable Class‑D architecture optimized for low distortion

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🎚 DSP Features

• Per-channel 4-band parametric EQ, including PEQ and notch filtering
• Independent delay adjustment up to 340 ms (~100 m range) with fine resolution (~0.1 ms)
• Built-in presets for all d&b loudspeaker types plus linear mode
• Embedded frequency generator (pink noise and sine wave) for diagnostics and alignment(

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⚙ User Interface & Monitoring

• Front-panel LCD display and rotary encoder for menu navigation and parameter editing
• Real-time status monitoring via LEDs for input, gain reduction, overload, and protection
• System Check and Load Monitoring continuously verify loudspeaker impedance and system integrity

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🔗 Connectivity & Control

• Inputs: Analog XLR and AES3 digital options
• Outputs: NL4 with optional EP5 or NL8 configurations
• Remote Control: Dual RJ45 connectors for CAN‑Bus access (d&b’s remote control bus)
• Service Port: D‑Sub for firmware updates and advanced diagnostics
• Power supply: Auto-sensing switch-mode PSU supports 120‑230 VAC, includes power factor correction

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📐 Physical Specifications

Feature	Specification
Form Factor	3U rackmount (≈ 353 mm depth)
Weight	Approx. 13 kg
Latency	~0.3 ms (analog or digital input)
ADC / DAC	96 kHz sampling, 27-bit ADC, 24-bit DAC
S/N Ratio

 

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✅ Ideal Applications

• Touring and rental rigs where DSP-integrated amplification simplifies system setup
• High-performance installations requiring loudspeaker-specific configurations and monitoring
• Systems with d&b loudspeakers that benefit from SenseDrive and linear mode capabilities
• Configurations needing flexible routing, speaker setup recall, and remote control access

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🛠 Notable Features

• d&b SenseDrive option (with EP5 connector and 5-wire cabling) offers precise low-frequency control for subwoofer and active “2-Way Active” setups
• System Check runs periodic live impedance tests
• Load Monitoring detects driver issues under passive crossover designs