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  #1 (permalink)  
Old 06-10-2009, 05:47 PM
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Join Date: Jul 2008
Posts: 69
Default Differences between the HFI-580 and HFI-780?

I have had a pair of used HFI-580s for about six months now and love them! They have been my favorite can so far. What are the improvements of the 780s over the 580s?
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Cans: Denon AH-P372 (Mogami cable), Ultrasone HFI-580, Ultrasone HFI-780, V-Moda Vibe.
Amp: Xenos X1HA
Source: iPod 5.5G
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Old 06-10-2009, 05:54 PM
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Location: Southern California
Posts: 110
Default

The differences are as follows:

HFI-580
Frequency range 10-22.000 Hz
Impedance 32 Ohm
Sound pressure level 101 dB
Driver 50 mm Mylar

HFI-780
Frequency range 10-26.000 Hz
Impedance 35 Ohm
Sound pressure level 96 dB
Driver 40 mm gold-plated

THe HFI-780 isn't an improvement, so to speak, over the HFI-580. They're 2 different types of headphones with different characteristics.
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  #3 (permalink)  
Old 06-24-2009, 04:26 PM
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Can someone tell me the sonic difference?
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Cans: Denon AH-P372 (Mogami cable), Ultrasone HFI-580, Ultrasone HFI-780, V-Moda Vibe.
Amp: Xenos X1HA
Source: iPod 5.5G
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Old 07-09-2009, 07:16 AM
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