Michael’s Burson Soloist 3X GT with Gustard U18 and Gustard R26

• Frequency response: 20 Hz – 20 kHz (±0.2 dB)
• Output impedance: 100 Ω
• Output voltage: RCA 2.5 V (fixed) · XLR 5 V (fixed)
• Inputs: USB (768 kHz/32-bit, native DSD512); coax; AES; optical (192/24, DoP64); I2S (to 768 kHz, DSD1024); LAN streaming; Bluetooth; 10 MHz clock in (BNC)
• Outputs: RCA; XLR
• DAC / chipset: discrete R2R ladder; XMOS XU216
• Other: dynamic range 115 dB; SNR 122 dB; crosstalk -134 dB; THD+N <=0.003% @ 1 kHz; 30 W

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• Output power (XLR / SE): 16 Ω 10 W / 5 W · 32 Ω 8 W / 4 W · 100 Ω 3.8 W / 1.9 W · 300 Ω 1.3 W / 0.65 W · 600 Ω 0.64 W / 0.32 W
• Output impedance: 0.5 Ω (headphone); 25 Ω (pre out)
• Gain: High / Medium / Low; dB not published
• Inputs: 2x XLR; 2x RCA; mic bypass
• Input impedance: 35 kΩ
• Input sensitivity: line level
• Outputs: XLR + RCA pre out; RCA subwoofer out; 4-pin XLR + SE headphone
• Other: Model R-120X (“GT3”); THD <0.0015%; FR ±1 dB 0-48 kHz

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• Power: 8 Ω: 110 (high gain); 30 (low gain) · 4 Ω: 180 (high gain); 55 (low gain)
• Output impedance: <0.015 Ω (20 Hz-20 kHz)
• Gain: 29 dB; 2 gain levels (high / low)
• Inputs: 1x RCA; 1x XLR
• Input impedance: 100 kΩ (SE); 200 kΩ (balanced)
• Outputs: speaker binding posts
• Other: Model R300 (“GT3”); max power 210 W; THD <0.03% @ 1 kHz; S/N 108 dB; Super Charger 32V/6.5A

^{[5] [4]}

• Other: 24 V / 5 A; noise floor <1 µV; 2.5 mm barrel plug, centre positive

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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. Gustard R26: apos.audio (retailer)
2. Gustard R26: gustard.com (retailer)
3. Burson Soloist 3X GT product page
4. Burson Soloist 3XGT User Manual V2.0 (Burson downloads)
5. Burson Timekeeper 3X GT product page
6. Burson Super Charger 5A product page