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Go Back   Head-Fi: Covering Headphones, Earphones and Portable Audio > Equipment Forums > Headphones (full-size)

Headphones (full-size) Discussion of full-size headphones.

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Old 02-24-2008, 01:49 AM   #401 (permalink)
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Originally Posted by Andrew_WOT View Post
Check out RMC Audio reply to my inquiry on availability of HFI-680



Quite impressive for authorized Ultrasone dealer.
If you look at there offerings there is no HFI680

Ultrasone Headphones - RMC Audio 877.222.7457

He is stating what they have for sale.

Did you mean 780 or?
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Old 02-24-2008, 01:51 AM   #402 (permalink)
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History: AKG K270 Playback, Alessandro MS1, C&C Box v2, Creative EP630, ZV:M, CrossRoads MylarOne Classic, X3, XB, Denon AH-D1000, AH-D2000, Firestone Audio Fubar II, Grado SR60, Head-Direct RE1, RE2, HiVi Swans M10, iBasso D1, D2-Viper, iPod Mini, Koss KSC22, KSC35, Meier-Audio Corda MOVE, MisterX AlienDAC, PPA, Sennheiser HD595, Shure E2C, Sony NWZ-A729, NWZ-S618, Ultrasone HFI-780, PROline 750, V-Moda Vibes, Yuin OK1, OK3, PK1, Zero 24Bit/192Khz DAC/Amp

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Last edited by souperman; 02-24-2008 at 02:44 AM.
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Old 02-24-2008, 01:59 AM   #403 (permalink)
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I have been out all day. I'm making God mad by posting this from church. I have the box with recabled HFI780 in my car. Will report back later. God's calling, gotta run!
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Old 02-24-2008, 02:22 AM   #404 (permalink)
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Better take the 780's with you or G-d may really get angry!
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Listening to: The Greatful Dead, The Closing of Winterland 1978, Fillmore West 1969, Lucinda Williams
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Portable amp ratings: *1. a. Xin Reference 12,000uf, b. RSA Predator*2. iBasso P2 *2. Micro IV*3. Mini IV *3. SR71 *4. D1 iBasso upgraded amp *5. iBasso P1 (upgraded opamps) *6. C & C Box (good decay, tilted up high frequency, slightly synthetic) *8 iBasso T1 *9. iBasso T2*10. XTRA X-1 (warm not neutral, very musical) *11. LD M+ These amps are enjoyable to listen to and present a slightly different interpretation of the musical signal.
Portable monitor ratings: *1. PortaPros, KSC35 (modified-a great value) *2. Amadana P-117 bamboo *3. UM2 (respond to top quality amplification but I don't enjoy their sound) *4. OVC 8+
Source: iRiver H130,140, D303 optical out, D-EJ955, D-EJ1000, D-EJ2000, 25s, 25, D-303, D-777 and others (optical out if available)
Digital Conversion: Altoid tin Monica Dac I, Altoid tin Monica II Asynchronous Reclocking Dac.
Headphone Amplifiers: iBasso D1, IV Micro, IV Mini, Xin Reference, SM3B, SuperMacro V LE, SM3 V6 Xin (IV all switches), XRTA X-1, LD Micro +, LD Micro Tube, C&C Box, iBasso P1, P2, D1, D2, Woo 3 Modified-Siemens 6922 driver, 7236 power tube, Woo 6 Modified Pseudo dual PS -
Headphones: Ultra Ed. 9, HD650, Ultrasone 750, HFI780, PortaPro modified, KSC35, Equation RP-21, Westone UM2
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Old 02-24-2008, 02:40 AM   #405 (permalink)
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Originally Posted by souperman View Post
I feel like you are just trolling this thread. Everything you have said in this thread has been negative. The RMC Audio website doesn't list the HFI-680, and personally that's enough indication that anyone should expect that they have it. I appreciate your input and such elsewhere on this forum (and consistently at that), but honestly...it feels like you are just trolling this thread because you have it out for Ultrasones? Let me know if I'm just being an idiot.
Sorry, I should have posted my question to them. I asked if the are expecting HFI-680 in stock and what would be the price, as I am looking for one.
And you saw the reply.
If anyone knows any place in US that sells them, please PM me. (thanks in advance)

Last edited by Andrew_WOT; 02-24-2008 at 05:05 AM.
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Old 02-24-2008, 02:44 AM   #406 (permalink)
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Originally Posted by Andrew_WOT View Post
Sorry, I should have posted my question to them. I asked if the are expecting HFI-680 in stock and what would be the price, as I am looking for one.
And you saw the reply.
If anyone know any place in US that sells them please PM me. (thanks in advance)
My bad then. Let me retract my statement.
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Portables: iPod Nano 4G (Orange), Shuffle 2G (Orange)
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History: AKG K270 Playback, Alessandro MS1, C&C Box v2, Creative EP630, ZV:M, CrossRoads MylarOne Classic, X3, XB, Denon AH-D1000, AH-D2000, Firestone Audio Fubar II, Grado SR60, Head-Direct RE1, RE2, HiVi Swans M10, iBasso D1, D2-Viper, iPod Mini, Koss KSC22, KSC35, Meier-Audio Corda MOVE, MisterX AlienDAC, PPA, Sennheiser HD595, Shure E2C, Sony NWZ-A729, NWZ-S618, Ultrasone HFI-780, PROline 750, V-Moda Vibes, Yuin OK1, OK3, PK1, Zero 24Bit/192Khz DAC/Amp

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Old 02-24-2008, 07:00 AM   #407 (permalink)
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looking for some hfi680's myself...the Ultrasone web site does not even mention them, yet on the big Ultrasone post its been delivered to Dex. I emailed Ultrasone USA and am waiting for an answer. RMC gave me the same response that Andrew got.
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Old 02-24-2008, 07:30 AM   #408 (permalink)
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Did anyone else see the thread Ken made about his mod for these? I am now very interested in these headphones. He thinks they might be able to compete with the ED9!
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Old 02-24-2008, 07:32 AM   #409 (permalink)
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HFI-680 and 780 are different by impedance, guess this is the only difference between two, if they just use resistor, using inline resistor adapter will make 780 a 680, if they use different voice coil (which I doubt), then it'll be more difficult.
Any volunteers to try resistance adapter on 780?
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Old 02-24-2008, 07:48 AM   #410 (permalink)
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Originally Posted by Andrew_WOT View Post
HFI-680 and 780 are different by impedance, guess this is the only difference between two, if they just use resistor, using inline resistor adapter will make 780 a 680, if they use different voice coil (which I doubt), then it'll be more difficult.
Any volunteers to try resistance adapter on 780?
Just pop a 780 open and measure to see if there is an additional resistor.
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The one constant in life is change, so will that change?
Feel with your own heart, see with your own eyes and hear with your own ears. Sand is sand no matter where it is found.
Listening to: The Greatful Dead, The Closing of Winterland 1978, Fillmore West 1969, Lucinda Williams
Favorite headphone: Ultrasone Ed. 9 #1010
Listening to: Predator- an exceptional portable, Woo 6 Modified-pseudo dual PS, iBasso D2 Boa, the new Xin Reference
Portable amp ratings: *1. a. Xin Reference 12,000uf, b. RSA Predator*2. iBasso P2 *2. Micro IV*3. Mini IV *3. SR71 *4. D1 iBasso upgraded amp *5. iBasso P1 (upgraded opamps) *6. C & C Box (good decay, tilted up high frequency, slightly synthetic) *8 iBasso T1 *9. iBasso T2*10. XTRA X-1 (warm not neutral, very musical) *11. LD M+ These amps are enjoyable to listen to and present a slightly different interpretation of the musical signal.
Portable monitor ratings: *1. PortaPros, KSC35 (modified-a great value) *2. Amadana P-117 bamboo *3. UM2 (respond to top quality amplification but I don't enjoy their sound) *4. OVC 8+
Source: iRiver H130,140, D303 optical out, D-EJ955, D-EJ1000, D-EJ2000, 25s, 25, D-303, D-777 and others (optical out if available)
Digital Conversion: Altoid tin Monica Dac I, Altoid tin Monica II Asynchronous Reclocking Dac.
Headphone Amplifiers: iBasso D1, IV Micro, IV Mini, Xin Reference, SM3B, SuperMacro V LE, SM3 V6 Xin (IV all switches), XRTA X-1, LD Micro +, LD Micro Tube, C&C Box, iBasso P1, P2, D1, D2, Woo 3 Modified-Siemens 6922 driver, 7236 power tube, Woo 6 Modified Pseudo dual PS -
Headphones: Ultra Ed. 9, HD650, Ultrasone 750, HFI780, PortaPro modified, KSC35, Equation RP-21, Westone UM2
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