Hannedouche’s Burson Conductor with KLH Model 5 and HiFiMAN HE1000se

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Absolutely fantastic combo! Every listening session is a pure joy!

The System

Listening with

KLH Model 5 · Speakers: passive 3-way acoustic-suspension standmount (1 in Al dome, 4 in mid, 10 in woofer)
  • Impedance: 6 Ω (minimum 3.5 Ω)
  • Sensitivity: 87.5 dB (2.83 V / 1 m, free field)
  • Frequency response: 42 Hz – 20 kHz (±3 dB)
  • Connectors: five-way binding posts
  • Recommended amplifier power: 20 – 200 W
  • Other: in-room sensitivity 90.5 dB/2.83 V/m; -10 dB at 32 Hz; crossovers 380 Hz / 2,850 Hz; power handling 200 W (800 W peak); 3-position mid/HF switch; 20 kg

Matching notes: The Model 5 is rated at 87.5 dB (2.83 V / 1 m) into 6 Ω nominal (3.5 Ω minimum). Burson rates the Timekeeper 3X GT at 110 W into 8 Ω and 180 W into 4 Ω. At that rating the speaker would reach about 108 dB SPL at 1 m (calc., one speaker, before room gain). KLH recommends 20 – 200 W amplifiers. [1] [2] [3] [4]

HiFiMAN HE1000se · Headphones: open-back, planar magnetic, circumaural
  • Impedance: 35 Ω
  • Sensitivity: 96 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 440 g

[5]

Burson

Burson Conductor
Burson Timekeeper 3X GT · Power amplifier (monoblock / stereo) · discontinued
  • 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

[3] [4]

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

[6] [7] [4]