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Audiobot Notes
Peak SPL

113.7 dB

This was approximated from the source output at 300 Ω

Damping factor 0.4
HiFiMAN HE-400
Impedance 45 Ω
Efficiency 92.3 dB SPL/mW
Frequency Response 20 - 35,000 Hz
Transducer Type Planar magnetic
Operating Principle Open
Ear Coupling Over-ear
Weight 440 g
3rd Party Measurements www.innerfidelity.com
Price History
Current $399.00
Highest $399.00
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Bottlehead Crack OTL
Type Tube
Output Impedance 120.0 Ω
Power Output 333 mW at 300 Ω
Frequency Range 10 - 50,000 Hz
Portable
Price History
Current $279.00
Highest $279.00
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