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Audiobot Notes
Peak SPL

117.5 dB

This was approximated from the source output at 56 Ω

Damping factor 775.0
AKG K 712 Pro
AKG K 712 Pro
Impedance 62 Ω
Efficiency 92.9 dB SPL/mW
Frequency Response 10 - 39,800 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Weight 235 g
Additional Notes
"The K712 PROs are reference, open, over-ear headphones for precise listening, mixing and mastering. The over-ear design guarantees maximum wearing comfort for fatigue-free mixing and mastering, while providing spacious and airy sound without any compromise. Their precise powerful sound results from improved low-end performance by 3dB."
Price History
Current $339.00
Highest $488.02
Lowest $339.00
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AKG K 7XX
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Chord Hugo
Output Impedance 0.08 Ω
Power Output 35 mW at 600 Ω
70 mW at 300 Ω
320 mW at 56 Ω
600 mW at 32 Ω
720 mW at 8 Ω
Portable
Additional Notes
"Hugo is a multi-award-winning mobile DAC and headphone amplifier of unrivalled quality. It uses Chord Electronics' bespoke technology to deliver class-leading sound quality from your music collection, however it is stored. A What Hi-Fi? Sound and Vision 'Grouptest Winner' and revered by the world's leading technology magazines, Hugo is a revolutionary product in high-performance audio, winning more than ten press awards to date."
Price History
Current $2,495.00
Highest $2,495.00
Lowest
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