They aren't using the power they think they are, so these ridiculous amps are just that. As you say 95dB peaks for compressed music means they aren't even using half a watt, much less 2-5, or as the mindblowing post above suggested, 15-20.
Quote from: Maxvla on December 16, 2013, 08:45:58 PMThey aren't using the power they think they are, so these ridiculous amps are just that. As you say 95dB peaks for compressed music means they aren't even using half a watt, much less 2-5, or as the mindblowing post above suggested, 15-20.Milliwatts, right? Most headphones will need a fraction of a mW, or maybe a few mW to reach 95 dB peak resulting in greater than the "safe" 85 dB average with compressed music.
anecdotally, i had a customer that was clipping the HE-6 with an amp that could swing 15Vrms but had the gain set for 5x, or 10Vrms max.
According to solder's chart the HE-6 requires 20mW for 90dB and 632mW for 105dB.
Quote from: fishski13 on December 16, 2013, 11:27:55 PManecdotally, i had a customer that was clipping the HE-6 with an amp that could swing 15Vrms but had the gain set for 5x, or 10Vrms max. I don't understand where there would be clipping. Maybe it was the other way around?Quote from: Maxvla on December 16, 2013, 11:43:32 PMAccording to solder's chart the HE-6 requires 20mW for 90dB and 632mW for 105dB.HE-6 cannot even remotely be considered as a standard headphone. It's a far outlier in terms of efficiency. Nevertheless, you could even drive it with an O2 (with correct gain) if you listen to compressed music or generally at lower levels.
Tried to use your sheet to show the HE-6 crowd they are retarded, but they wouldn't listen at all, accusing me of starting myths that they don't actually need that 200W @8ohm power amp to drive headphones.
