In Reply to: High efficiency phones posted by Terry on April 14, 2024 at 02:53:28:
My Grado SR60i phones are very sensitive. The specification is 98dB/1mW, and I think that's conservative. In my recent bench tests at 400Hz, anything above 20mV RMS was LOUD. That would be equivalent to roughly 0.01mW (32Ω impedance). These aren't the physical style you're asking about, but maybe this info will be helpful just the same.
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Follow Ups
- Did you mean high sensitivity?` - Triode_Kingdom 21:02:37 04/14/24 (1)
- RE: Did you mean high sensitivity?` - Capt. Z 05:26:47 04/15/24 (0)