| Headphone Amps (full-size) Discussion of desktop headphone amps. |
06-12-2007, 06:12 AM
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Headphoneus Supremus
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Join Date: Aug 2005
Location: San Diego/Los Angeles
Posts: 3,189
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what's a CMOR? Is that better than a CMOY? 
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06-12-2007, 03:08 PM
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500+ Head-Fi'er
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Join Date: May 2007
Posts: 575
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no one?
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06-21-2007, 08:22 PM
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500+ Head-Fi'er
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Join Date: May 2007
Posts: 575
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bump
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06-24-2007, 02:47 AM
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500+ Head-Fi'er
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Join Date: Apr 2004
Location: Home of the Fighting Manginos!
Posts: 804
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Quote:
Originally Posted by misterDX
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I picked up one of David's little amps about a month ago. I've been listening to it with my DX1000's off and on. Really nice spacious and lively sound. Lots of power too. I'm very pleased, and at such a fair price to boot.
Can't tell you much about battery life just yet. Hope this helps.
__________________
BinK
Cans: Stax SR-Lambda, SRX-MKIII (2 copies) & SR-5; Denon D2000; Sennheiser HD600 & PX100; Yamaha orthos YH-1 (3 copies), YH-2.
Amps: Fisher X-100B, Antique Sound Labs OGL MK II, Meier-Audio Corda Headamp-1 MKII
Source: Sony CDP-508ESD as CD transport; Sony ST-S730ES tuner, Apogee Mini Dac-USB, IBasso D1 upgraded.
Former cans now making others happy (I hope): SR-007 Omega II, SR-303, Lambda Nova Signatures, SR Lambda Pro, DX1000, Denon AH-D2000 (markl modded), K1000, K701, K601, K501, DT880, HD650, HD600 (extra pair), HD-555, vintage HD 424, HD-280, AD2000, AD700, YH-3, many years ago Marantz SE-1S electrostatics
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01-06-2008, 04:18 AM
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100+ Head-Fi'er
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Join Date: Dec 2007
Location: Long Beach, NY
Posts: 125
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I just got his USB dac from ebay and it sounds very good for the $80 I spent. I think i will try the OPA2134 amp and see how that works for me. I urge anyone who's looking for good sound on the cheap to check hotaudio40 out on ebay.
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01-17-2008, 04:11 AM
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100+ Head-Fi'er
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Join Date: Dec 2005
Location: Sarnia, Ontario, Canada
Posts: 337
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If anyone who has one of these would be so kind to do a review, I'd greatly appreciate it. I'm looking for an outboard USB-dac to upgrade my Audigy ZS 2 soundcard in the $100-$200 price range and this looks like it might have some potential. Any takers? 
__________________
Computer: Audigy 2 ZS > generic 6-ft. mini-mini/RNB Diamond Reference > Shellbrook Maxi Head Signature w/Elpac power supply > Grado SR 225
Portable: iriver Slimx 350 or Creative Zen Micro 5g > RNB Diamond Reference Mini > Maxi Head Signature > SR 225
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01-17-2008, 07:05 AM
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Banned
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Join Date: Oct 2007
Location: VA/DC
Posts: 426
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Maybe if the link worked or someone could mention what the product is?
Last edited by HardHeadCase; 01-17-2008 at 03:05 PM.
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01-17-2008, 02:01 PM
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100+ Head-Fi'er
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Join Date: Dec 2007
Location: Long Beach, NY
Posts: 125
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HardHeadCase, here are the items he has listed on ebay currently:
eBay Seller: hotaudio40: Home Audio, Portable Audio Video items on eBay.com
He's got 3 main HP amps from what I've seen. A USB dac/amp, HP amp and HP amp/preamp. He uses a couple of different opamps in these for variety I guess. These are no frills products, designed for maximum sound quality at a reasonable price without the bells and whistles. I got the USB dac a few weeks ago and that was much better then my audigy 2, particularly utilizing asio4all plugin in foobar. This past week I got the opa2134 version amp and it makes even my cheap pioneer dvd player sound pretty damn good. I suppose it depends on the headphones as well but both my grado sr60 and senn 580's sound good. You can see he offers some for bid and others for buy it now or best offer. In my case he accepted a much lower offer and you can contact him and work something out, he's very easy going and informative about his products. He's got good feedback on ebay too.
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01-17-2008, 03:05 PM
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Banned
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Join Date: Oct 2007
Location: VA/DC
Posts: 426
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Link wasn't working earlier, I think he sold that unit and relisted to sell another.
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01-17-2008, 03:10 PM
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100+ Head-Fi'er
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Join Date: Dec 2007
Location: Long Beach, NY
Posts: 125
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Strange, works for me. Go to ebay and either do a seller search for hotaudio40 or search for USB DAC HIGH-PERFORMANCE and from there you can see the other items he has for sale.
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01-25-2008, 03:20 PM
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100+ Head-Fi'er
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Join Date: Nov 2007
Location: Hong Kong
Posts: 167
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Anyone know which chip is used in the USB DAC hotaudio has up for sale?
__________________
Sources: Creative Zen Xtra (160gb), Creative Zen Vision:M (60gb slim)
Amp: PA2V2
Earphones: Sony MDR-EX90SL (Japanese NUDE-EX Monitor Edition, my commuting phones)
Headphones: AKG K 412P (purchased locally), Alessandro MS-1, Audio-Technica SJ5, fake Audio-Technica Pro700 :'(, Sennheiser PX100 Retro Edition
Retired:
Pre-Head-Fi: Panasonic RP-HTX7 (sold to my cousin), Panasonic HJE-70S (destroyed the drivers and they can't be fixed in HK), Panasonic HJE-50s (Great for the price. Donated to my brother).
Post-Head-Fi: Sennheiser HD280 Pro (sold to someone locally)
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01-31-2008, 03:08 PM
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Junior Head-Fi'er
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Join Date: Dec 2004
Posts: 9
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yes, the USB/DAC is PCM2707
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01-31-2008, 04:43 PM
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100+ Head-Fi'er
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Join Date: Dec 2007
Location: Long Beach, NY
Posts: 125
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Thanks hong, in conversations with him the other day, he also mentioned he has begun producing some USB DAC's based off of the 2704/2705 and is also working on a 2702 with opamp buffer.
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02-01-2008, 08:53 PM
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Junior Head-Fi'er
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Join Date: Dec 2004
Posts: 9
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I had the same chat via email about the new USB Dac's he is working on.
I got mine today from Canada. Ordered Monday, fastest postage ever from Canada to the UK, 4 days!
The USB DAC is very nice, well packaged, professional looking. It detected instantly in OS X Leopard as "USB Audio DAC" and sounds amazing. Its not burnt in yet. But its sooo clear and airy with a very very good tuneful bass.
I am very impressed.
What a true bargain.
I only wanted it so I can use it at work to output sound to my headphones, but I am seriously considering using it at home as well and I may purchase one of the future models to do just that.
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