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Audiobot Notes
Peak SPL

115.2 dB

This was approximated from the source output at 33 Ω

Damping factor 44.4
Sony MDR-V150
Sony MDR-V150
Impedance 24 Ω
Efficiency 98.0 dB SPL/mW
Transducer Type Dynamic
Operating Principle Closed
Ear Coupling On-ear
Price History
Current $31.00
Highest $32.43
Lowest $31.00
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Sony MDR-V300
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JDS Labs Objective2
JDS Labs Objective2
Type Solid state
Output Impedance 0.54 Ω
Power Output 88 mW at 600 Ω
355 mW at 150 Ω
613 mW at 33 Ω
Frequency Range 20 - 20,000 Hz
Portable
Additional Notes
"O2 is an opensource amplifier designed by brilliant engineer NwAvGuy, with emphasis on benchmark performance and low cost. O2 arrives fully assembled, hand tested, and ready to enjoy."
Price History
Current $139.00
Highest $412.59
Lowest $139.00
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