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Audiobot Notes
Peak SPL

106.3 dB

This was approximated from the source output at 30 Ω

Damping factor 0.6

Headphones with higher impedances may be a better fit for this amp

AKG Q701
AKG Q701
Impedance 60 Ω
Efficiency 87.6 dB SPL/mW
Frequency Response 10 - 39,800 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Weight 235 g
3rd Party Measurements www.innerfidelity.com
Additional Notes
"Quincy Jones Signature line, Reference-Class Premium Headphones"
Price History
Current $350.00
Highest $487.67
Lowest $350.00
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AKG K 701
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Beyerdynamic A20
Beyerdynamic A20
Output Impedance 100.0 Ω
Power Output 100 mW at 600 Ω
170 mW at 250 Ω
150 mW at 30 Ω
Frequency Range 10 - 100,000 Hz
Portable
Price History
Current $329.89
Highest $749.00
Lowest $329.89
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