David’s Burson Conductor GT4 with Dynaudio Special Forty

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The pre-amp delivers impressive power and precision, providing a dynamic and clear sound that truly elevates the listening experience. The DAC is equally exceptional, offering a beautifully detailed and immersive audio output with stunning clarity and depth. Together, they create a perfect balance of power and refinement that enhances every aspect of the music.

The System

Listening with

Dynaudio Special Forty · Speakers: bookshelf, two-way bass reflex (rear port)
  • Impedance: 6 Ω (minimum not published)
  • Sensitivity: 86 dB (2.83 V / 1 m)
  • Frequency response: 41 Hz – 23 kHz (±3 dB)
  • Recommended amplifier power: IEC long-term power handling 200 W (amp range not published)
  • Other: crossover 2 kHz, 1st order; 28 mm Esotar Forty tweeter; 17 cm MSP woofer; 8.1 kg

[1]

Burson

Burson Conductor GT4 · DAC / headphone amplifier / preamp
  • Output power (XLR / SE): 32 Ω 10 W / 5 W · 100 Ω 5 W / 2.5 W · 150 Ω 3 W / 1.5 W · 300 Ω 2 W / 1 W
  • Output impedance: 0.5 Ω (headphone); 1 Ω (pre out); 25 Ω (DAC out)
  • Output voltage: RCA 2 V (DAC out) · XLR 4 V (DAC out); pre out max 12 V RMS
  • Gain: 2 levels: High full power (XLR 10 W / SE 5 W), Low 10% (IEM); dB not published
  • Inputs: 2x XLR; 2x RCA; USB (XMOS; PCM to 768 kHz/32-bit, native DSD512); Toslink; coaxial (24/192); Bluetooth 5.0 aptX HD; microphone
  • Input impedance: 40 kΩ
  • Input sensitivity: line level (24-bit/192 kHz ADC on analogue inputs)
  • Outputs: headphone 6.35 mm / 4-pin XLR / 3.5 mm; XLR + RCA pre out; subwoofer pre out; XLR + RCA line (DAC) out
  • DAC / chipset: 2x ESS9038 (one chip per channel; suffix not published)
  • Other: THD <0.0015%; FR ±1 dB 0-58 kHz; versions: Standard (V6 Vivid, SP01, 24V5A) / Deluxe (V7 Vivid, SP02, Super Charger 5A) / Max (+Fusion Core 24V)

[2] [3]

Burson Audio Timekeeper Mono Blocks

Specs from manufacturer data unless a source below says otherwise. “calc.” values are worked out from those figures (V = √(P × R); 110 dB SPL used as a loud reference level). Gear listed without specs is not in our spec library yet.

  1. Dynaudio Special Forty: dynaudio.com
  2. Burson Conductor GT4 product page
  3. Burson Conductor GT4 User Manual V1.2 (Burson downloads)