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  #1 (permalink)  
Old 02-04-2009, 06:10 PM
500+ Head-Fi'er
 
Join Date: May 2004
Location: Canton, MI
Posts: 596
Default Headphone amplifier as HiFi Preamp

I have a fairly good HiFi system based on Threshold electronics. My amplifier is a S550e, the pre-amplifier is a T2 and my DAC is the Dac 1e.
I just ordered a Rudistor RP010B MkII which is fully balanced (just like the rest of my system) and has the option of being a pre-amplifier.

Does anybody has experience of using your headphone amplifier as apre-amplifier in your HiFi system?

Have you noticed any degradation in the sound quality?

The RP010B is not a cheap piece. It retails for over $4,500 usd but my T2 when in production retailed for $5,200 usd and I can tell the number of electronic components in the T2 is bigger.

What do you think.... replace the T2 with teh RP010B or just add it as stand alone headphone amplifier in the chain?
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Headphone Inventory:
Edition 9(APS V3 balanced), Denon D2000 (Amboyna Burl cups, JMoney ear pads, Markl moded and recabled with APS V3 Balanced), JVC/Victor DX1000, Denon D7000 Balanced and JMoney ear pads, Audio Technica ATH-W11JPN, ATH-ESW10JPN,Sennheiser HD650 with RAL balanced cable and Denon (2) C700.
Headphone Amp Inventory:
Rudistor RP010B MkII, RPX-33 MkII, Headamp GS-1 with stepped attenuator, Shellbrook Maxi Moy Siganture Edition.
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  #2 (permalink)  
Old 02-04-2009, 06:57 PM
Uncle Erik's Avatar
Headphoneus Supremus
 
Join Date: Mar 2006
Location: The Beach, California
Posts: 14,432
Default

I have no experience with your gear, however, I run the Zana Deux as a preamp. It's wonderful, and I'm surprised more people don't buy it as just a preamp. Most headphone gear is much quieter than speaker gear, which translates well when playing speakers. I'd recommend you give it a try.
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"If you cannot measure it, you cannot improve it." Lord Kelvin
Orbe SE -> SME IV -> Fi Yph -> Zana Deux/Si2A3
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  #3 (permalink)  
Old 02-04-2009, 09:54 PM
MoodySteve's Avatar
500+ Head-Fi'er
 
Join Date: Jul 2007
Location: New York City, USA
Posts: 620
Default

I run my ß22 as a preamp with wonderful results. Generally, any competently designed SS headphone amplifier will have the characteristics of a good preamp (high Zin, low Zout, low noise, to name a few) as long as it doesn't have too much gain.

I am not sure if this is the case with tube designs.
__________________
Headphones Sennheiser HD650, Audio Technica ATH-W2002, ATH-W11JPN, Sennheiser PX100, Audio Technica ATH-ES7, Sony MDR-SA5000
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  #4 (permalink)  
Old 02-04-2009, 11:23 PM
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I have been using my littledot mkivse as a pre amp as well. Sounds good.
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  #5 (permalink)  
Old 02-06-2009, 03:13 PM
100+ Head-Fi'er
 
Join Date: Mar 2008
Location: Saudi Arabia
Posts: 174
Default Meier Opera

I have been trying to find a good preamp for my old hybrid micrex amp. I have been using a Rotel pre-pro,.but the Rotel needs some sort of buffer to avoid noise when changing inputs, etc. I solved it initially with a musical fidelity x-10d, but have been looking for a preamp so I could run my NAD player directly. I tried a tube preamp and did not like it finally.

Recently I bought an Opera, which I find to be a very good headphone amp with my recabled Senns. When I decided to try it as a preamp, I found that the speakers sounded very good and I am keeping it in that position in the system. The sound is very involving and it makes me curious about Meier's speaker amps.
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