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Audiobot Notes
Peak SPL

111.6 dB

This was approximated from the source output at 120 Ω

Damping factor 3.3

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

Beyerdynamic DT 990 PRO
Beyerdynamic DT 990 PRO
Impedance 250 Ω
Efficiency 96.0 dB SPL/mW
Frequency Response 5 - 35,000 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Weight 250 g
Additional Notes
"The DT 990 PRO is an open dynamic headphone for studio applications. Due to a weight reduction of the diaphragm an excellent sound reproduction quality is achieved. Its rugged design with a spring steel headband ensures a secure fit and withstands all demands. Soft headband and ear cushioning systems ensure a high comfort over long periods of time."
Price History
Current $128.88
Highest $199.00
Lowest $128.88
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Output Impedance 75.0 Ω
Power Output 75 mW at 120 Ω
Price History
Current $395.00
Highest $395.00
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