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Audiobot Notes
Peak SPL

110.5 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 K 240
AKG K 240
Impedance 55 Ω
Efficiency 91.4 dB SPL/mW
Frequency Response 15 - 25,000 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Price History
updated 1 day ago
Current $49.00
Highest $79.06
Lowest $49.00
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Sennheiser HD 579
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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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