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Grace Design m303 - ACTIVE DI Box equipped with LUNDAHL output transformer

DI Box Active Mono with LUNDAHL Transformer Output

SKU: 128387

362,00 € 301,67 + VAT

  • Available
  • Clock icon Normally shipped in 8-10 working days

DI Box Active Mono with LUNDAHL Transformer Output

  • Active design with full galvanic isolation
  • Custom LUNDAHL transformer for exceptional audio clarity
  • Extended dynamics and headroom through advanced power supply
  • Ultra-wide frequency response: 20Hz - 80kHz
  • Rugged ¼" extruded aluminum construction

Next-generation audio performance for stage and studio

The Grace Design m303 is an active mono DI box designed to deliver impeccable sonic transparency in the studio and live. With galvanic isolation and a high-performance LUNDAHL transformer, it guarantees faithful reproduction of any source: keyboards, passive basses, acoustic guitars and more.

Perfect for live performance: reliability and sonic clarity

On stage, the m303 becomes the sound engineers' ideal ally. The open and musical sound allows for clear and powerful mixes, even in complex live settings. Legendary Grace Design reliability dramatically reduces replacements and ensures consistent performance.

Maximum studio performance: transparency and headroom

In the recording environment, the m303 enhances each direct track, delivering a clean, dynamic signal perfect for later processing such as saturation, compression, or EQ. The result? More detailed productions and more effective final mixes.

LUNDAHL transformer: heart of sound quality

At the heart of the m303 is a custom LUNDAHL transformer, chosen for its linear frequency response, low noise level, and ultra-low distortion. It is the perfect choice for those who demand depth in the bass and brilliance in the high details.

Technical Specifications.

  • Full galvanic isolation
  • Magnetically shielded LUNDAHL transformer
  • Distortion: -102.8dB (1kHz), -83dB (50Hz)
  • Noise: up to -118.6dBu (A-weighting)
  • Bandwidth: 20Hz - 80kHz
  • Headroom: 124dB dynamic range
  • Input impedance: 1MΩ (Pad Off), 115kΩ (Pad On)
  • Peak LED indicator (3dB before clipping)
  • Input pad -13dB for high level signals
  • Power supply: 48V phantom, 4mA consumption
  • Construction: ¼" extruded aluminum chassis, recessed connectors
  • Dimensions: 134 x 81 x 44 mm | Weight: 0.48 kg
  • Made in USA - 5-year warranty
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