Michael’s Burson Conductor 3X Reference with Audeze LCD-X

• Impedance: 20 Ω
• Sensitivity: 103 dB/1mW (at Drum Reference Point) ≈ 120.0 dB/V (calc.)
• Frequency response: 10 Hz – 50 kHz
• Plugs / cables supplied: braided 4-pin XLR combo cable with 6.35 mm single-ended adapter
• Other: recommended power >250 mW (min >100 mW; max 5 W RMS); 106 mm driver; max SPL >130 dB

Matching notes: At 20 Ω and 103 dB/mW, the Audeze LCD-X is a low-impedance load, and an efficient one: about 0.32 V (5 mW, 16 mA) for 110 dB SPL (calc.). Burson does not publish a 20 Ω rating for the Conductor 3X Reference. Its 16 Ω and 32 Ω ratings (7.5 W XLR / 3.75 W SE; 5 W XLR / 2.5 W SE) fall either side of it. The Conductor 3X Reference’s 0.5 Ω headphone output impedance is 1/40 of the load. ^{[1] [2] [3] [4]}

• Output power (XLR / SE): 16 Ω 7.5 W / 3.75 W · 32 Ω 5 W / 2.5 W · 100 Ω 1.75 W / 0.88 W · 150 Ω 1.16 W / 0.58 W · 300 Ω 0.58 W / 0.3 W
• Output impedance: 0.5 Ω (headphone); 1 Ω (pre out); 25 Ω (DAC out)
• Output voltage: RCA 2 V (DAC out)
• Gain: High / Low; dB not published
• Inputs: 2x XLR; USB (XMOS; PCM to 768 kHz/32-bit, native DSD512); Toslink; coaxial; Bluetooth 5.0 aptX HD; microphone
• Input impedance: 40 kΩ
• Input sensitivity: line level
• Outputs: XLR pre out; line-level DAC out; 6.35 mm + 4-pin XLR headphone
• DAC / chipset: 2x ESS ES9038Q2M
• Other: Model R180X (3XR); THD <0.0015%; FR ±1 dB 0-58 kHz

^{[2] [3] [4]}

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. Audeze LCD-X: audeze.com
2. Burson Conductor 3X Reference product page (conductor-3x page, archived 2019)
3. Burson Conductor 3X Reference product page (conductor-3-performance page, archived 2020)
4. Burson Conductor 3X References User Manual V1.6 (Burson downloads)