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Audiobot Notes
Peak SPL

105.9 dB

This was approximated from the source output at 56 Ω

Damping factor
AKG K 612 Pro
Impedance 125 Ω
Efficiency 90.0 dB SPL/mW
Frequency Response 12 - 39,500 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Weight 238 g
3rd Party Measurements www.innerfidelity.com
Price History
Current $122.00
Highest $187.21
Lowest $122.00
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Alpha Design Labs X1
Power Output 19 mW at 600 Ω
36 mW at 300 Ω
86 mW at 56 Ω
82 mW at 32 Ω
60 mW at 16 Ω
34 mW at 12 Ω
Frequency Range 20 - 20,000 Hz
Portable
Price History
Current $242.00
Highest $485.46
Lowest $242.00
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