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Audiobot Notes
Peak SPL

112.4 dB

This was approximated from the source output at 30 Ω

Damping factor 0.7

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

Shure SRH1840
Shure SRH1840
Impedance 65 Ω
Efficiency 94.0 dB SPL/mW
Frequency Response 10 - 30,000 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Weight 268 g
3rd Party Measurements www.innerfidelity.com
Price History
Current $499.00
Highest $499.00
Lowest $496.99
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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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