Mario’s Burson Super Charger 3A with Grado Hemp and AudioQuest Nighthawk

Published on

Sales Burson
November 19, 2021

Post Info

Feedbacks - Super Charger 3A | 5A
AudioQuest Nighthawk, Bottlehead Crack, Bottlehead Crack with speedball, Burson Super Charger 3A, Grado Hemp, Pro-ject pre box s2 dac, Rupert Neve Designs RNHP

It was great! thanks for the supercharger promo it really makes a big difference, nice psu

The System

Listening with

Grado Hemp · Headphones: open-back (open air), dynamic, on-ear

Impedance: 38 Ω
Sensitivity: not published
Frequency response: 13 Hz – 28 kHz
Plugs / cables supplied: standard plug with braided cable
Other: driver matching 0.05 dB

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AudioQuest Nighthawk · Headphones: semi-open, dynamic (50 mm biocellulose, 1.2 T split-gap motor), circumaural · discontinued

Impedance: 25 Ω
Sensitivity: 99 dB SPL / mW ≈ 115.0 dB/V (calc.)
Plugs / cables supplied: 1.3 m cable, 3.5 mm TRRS to dual 2.5 mm mono; 3.5 mm to 1/4″ adapter
Other: power handling 1.5 W; 346 g

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Burson

Burson Super Charger 3A · Power supply (24 V DC)

Other: 24 V / 3 A; noise floor <1 µV; 2.5 mm barrel plug, centre positive; 100-240 V AC in

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Also in the system

Bottlehead Crack · Headphone amp: OTL tube headphone amp kit (6080 + 12AU7)

Output impedance: 120 Ω
Gain: ~15 dB into 300 Ω
Inputs: 1x RCA
Input impedance: 100 kΩ
Outputs: 6.35 mm headphone
Other: output ~10 V into 300 Ω; best with high-impedance headphones

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Pro-ject pre box s2 dac

Rupert Neve Designs RNHP · Headphone amp: precision headphone amp (pro-audio, 3 calibrated inputs)

Frequency response: 10 Hz – 120 kHz (±0.2 dB)
Output power (headphone): 16 Ω 0.23 W · 44 Ω 0.3 W · 150 Ω 0.175 W
Output impedance: 0.08 Ω (1 kHz, 16-150 Ω load)
Inputs: XLR/TRS combo (+4 dBu); RCA (-10 dBV); 3.5 mm
Outputs: 6.35 mm headphone
Other: noise -101.9 dBV (XLR input, 44 Ω); max input +22.8 dBu (XLR); 24 V DC 0.25 A; 0.9 kg

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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.