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Impedance 32 Ω
Efficiency 99.8 dB SPL/mW
Frequency Response 13 - 29,000 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Additional Notes
"The GH1 is a special edition Grado headphone made from Maple trees in the Grado family's Brooklyn neighborhood of Sunset Park. These headphones are available in very limited quantities and when they're gone, they're gone."
Target SPL Requirements
Target Power Voltage
90.0 dB 0.1 mW 0.06 Vrms
92.5 dB 0.19 mW 0.08 Vrms
95.0 dB 0.33 mW 0.1 Vrms
97.5 dB 0.59 mW 0.14 Vrms
100.0 dB 1.0 mW 0.18 Vrms
102.5 dB 1.9 mW 0.24 Vrms
105.0 dB 3.3 mW 0.33 Vrms
107.5 dB 5.9 mW 0.43 Vrms
110.0 dB 10.5 mW 0.58 Vrms
Price History
Current $650.00
Highest $650.00
Lowest
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