Sebastian’s Burson Conductor 3 Reference with HiFiMAN HE1000 V2 Stealth

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Sales Burson
September 8, 2023

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Feedbacks - Conductor 3R | 3XR
AKG K812, Burson Conductor 3 Reference, FiiO M15s, HiFiMAN HE1000 V2 Stealth, Sennheiser HD 800, Sennheiser HD 800

Brilliant product

The System

Listening with

HiFiMAN HE1000 Stealth · Headphones: open-back, planar magnetic, circumaural

Impedance: 32 Ω
Sensitivity: 93 dB (reference not stated by HiFiMAN)
Frequency response: 8 Hz – 65 kHz
Plugs / cables supplied: not published (HiFiMAN spec page lists no connector)
Other: weight 458 g

^[1]

Burson

Burson Conductor 3 Reference · DAC / headphone amplifier / preamp · discontinued

Output power (headphone): 16 Ω 7.5 W · 32 Ω 5 W · 100 Ω 1.75 W · 150 Ω 1.16 W · 300 Ω 0.58 W
Output impedance: 0.5 Ω (headphone); 1 Ω (pre out); 25 Ω (DAC out)
Output voltage: RCA 2 V (DAC out)
Gain: High / Medium / Low; dB not published
Inputs: 2x RCA; 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: RCA pre out; RCA DAC out; 2x 6.35 mm headphone
DAC / chipset: 2x ESS ES9038Q2M
Other: Model R180 (3R); SE only; THD <0.0015%; FR ±1 dB 0-58 kHz

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

Also in the system

AKG K812 · Headphones: open-back, dynamic, circumaural

Impedance: 36 Ω
Sensitivity: 110 dB SPL/V ≈ 95.6 dB/mW (calc.)
Frequency response: 5 Hz – 54 kHz
Plugs / cables supplied: detachable 3 m cable; 3.5 mm plug + 6.3 mm adapter
Other: max input power 300 mW; 390 g

^[5]

FiiO M15s

Sennheiser HD 800 · Headphones: open-back, dynamic, circumaural (ring radiator) · discontinued

Impedance: 300 Ω
Sensitivity: 102 dB SPL @ 1 kHz, 1 V (as published) ≈ 96.8 dB/mW (calc.)
Frequency response: 14 Hz – 44.1 kHz (-3 dB); 6 Hz – 51 kHz (-10 dB)
Plugs / cables supplied: 6.3 mm stereo jack plug; 3 m cable
Other: THD <=0.02% (1 kHz, 1 Vrms); max input 500 mW

^[6]

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.