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Old 10-23-2018, 02:44 PM
Jack in Wilmington's Avatar
Jack in Wilmington Jack in Wilmington is online now
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Default Hooking Up A Balanced Headphone Amp

I'm looking to upgrade my headphone amp and was thinking about going balanced. How can I hook up a balanced headphone amp if I only have one set of balanced outputs on my preamp?
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Speakers........Dynaudio Contour 1.8 Mk II
Amp...............Pass Labs X150.5
PreAmp..........McIntosh C2600
Sources..........Music Hall MMF 9.3 Walnut w/ Goldring
Eroica LX MC Cartridge
Phono Pre...…..Sutherland Insight

CD Player Rotel RCD-1072
Record Cleaning Machine...….Okki Nokki
DAC................Bryston BDA-3
Headphones.....Drop + Dan Clark Audio Ether CX /
Sennheiser HD-660S
Headphone Amp.....Bryston BHA-1
Cables....Amp to preamp - Morrow MA4
Preamp to DAC - Morrow MA4
Preamp to Headphone Amp - Morrow MA2
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  #2  
Old 10-23-2018, 08:27 PM
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Suffering the same problem. Just have to turn off the amps and move the cables back and forth (pita). Or, could get a high quality switch box. Really hate to add another piece of gear and the additional contacts, etc.
http://www.goldpt.com/sw2x.html
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Clearaudio SM Pro Focal Bathys JLA 10" Dominion Kuzma Stabi S w/MC & MM Magnepan 1,7i McIntosh MA8950 Oppo 203 Roon Nucleus Rose Hifi RS150B Shunyata Gemini-4 Sony ST-A6B, TA-F6B & PS-X75 Sorane SA1.2 & TA-1L Stillpoints LP1v2 WW Pt, Au & Ag
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Old 10-23-2018, 09:26 PM
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Quote:
Originally Posted by Formerly YB-2 View Post
Suffering the same problem. Just have to turn off the amps and move the cables back and forth (pita). Or, could get a high quality switch box. Really hate to add another piece of gear and the additional contacts, etc.
http://www.goldpt.com/sw2x.html
That's my problem with the switchbox. Just something else to degrade the signal. I had one on my speakers once so that I could use my Usher X-719's for home theater and 2 channel. When I could I bought by Dynaudio's and then got the rest of the Ushers to complete my HT setup.
__________________
Speakers........Dynaudio Contour 1.8 Mk II
Amp...............Pass Labs X150.5
PreAmp..........McIntosh C2600
Sources..........Music Hall MMF 9.3 Walnut w/ Goldring
Eroica LX MC Cartridge
Phono Pre...…..Sutherland Insight

CD Player Rotel RCD-1072
Record Cleaning Machine...….Okki Nokki
DAC................Bryston BDA-3
Headphones.....Drop + Dan Clark Audio Ether CX /
Sennheiser HD-660S
Headphone Amp.....Bryston BHA-1
Cables....Amp to preamp - Morrow MA4
Preamp to DAC - Morrow MA4
Preamp to Headphone Amp - Morrow MA2
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  #4  
Old 10-24-2018, 10:41 AM
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The high-$$ alternative is a fully balanced preamp from BAT (built there in Wilmington, no less) or Arc or similar where all the outputs are balanced. The Goldpoint boxes are about as high quality as it gets, but still................
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Glenn...
Clearaudio SM Pro Focal Bathys JLA 10" Dominion Kuzma Stabi S w/MC & MM Magnepan 1,7i McIntosh MA8950 Oppo 203 Roon Nucleus Rose Hifi RS150B Shunyata Gemini-4 Sony ST-A6B, TA-F6B & PS-X75 Sorane SA1.2 & TA-1L Stillpoints LP1v2 WW Pt, Au & Ag
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  #5  
Old 10-24-2018, 10:48 AM
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Jack - not sure if you mentioned it but are you looking for a balanced output headphone amp? It will have four wires, two for each driver. It may or may not have balanced inputs or be fully balanced throughout. Or are you just looking for a headphone amp with balanced inputs?
Tom
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  #6  
Old 10-24-2018, 12:52 PM
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Quote:
Originally Posted by W9TR View Post
Jack - not sure if you mentioned it but are you looking for a balanced output headphone amp? It will have four wires, two for each driver. It may or may not have balanced inputs or be fully balanced throughout. Or are you just looking for a headphone amp with balanced inputs?
Tom
I noticed that Music Direct has the Musical Fidelity MX-HPA headphone amp with balanced inputs on sale, but I need 2 sets of balanced outputs on my pre amp because my Bryston DAC is plugged into the one set on my current pre.
__________________
Speakers........Dynaudio Contour 1.8 Mk II
Amp...............Pass Labs X150.5
PreAmp..........McIntosh C2600
Sources..........Music Hall MMF 9.3 Walnut w/ Goldring
Eroica LX MC Cartridge
Phono Pre...…..Sutherland Insight

CD Player Rotel RCD-1072
Record Cleaning Machine...….Okki Nokki
DAC................Bryston BDA-3
Headphones.....Drop + Dan Clark Audio Ether CX /
Sennheiser HD-660S
Headphone Amp.....Bryston BHA-1
Cables....Amp to preamp - Morrow MA4
Preamp to DAC - Morrow MA4
Preamp to Headphone Amp - Morrow MA2
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  #7  
Old 10-27-2018, 12:49 PM
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Quote:
Originally Posted by Jack in Wilmington View Post
I noticed that Music Direct has the Musical Fidelity MX-HPA headphone amp with balanced inputs on sale, but I need 2 sets of balanced outputs on my pre amp because my Bryston DAC is plugged into the one set on my current pre.
Ivan was able to get XLR Wireworld cables for me that had two connectors to one output. They worked well, I used them when I was on the ship and wanted to split outputs to two XLR input headphone amps.
__________________
Poland:
Silenzio, Simaudio, Luxman, Bricasti, Bryston, Shunyata, Stax, Meze, Linn, Audeze, and Dan Clark Headphones, Stax, Wireworld, Crystal, Nordost, Siltech.

Home Main System:
Magnepan 20.7, Pass Labs XA 100.5, Audio Research Reference 6, Esoteric P-03, D-03, G0-Rb, DV-60, Clearaudio Innovation & Tangent arm, VPI HW19 MK4 & ET 2.5 arm, Mark Levinson 37, Aesthetix Rhea Signature, Magnum Dynalab Etude, Kiseki PHS, Sumiko Palos Santos Presentation,Wireworld, Crystal Absolute Dream, Shunyata, Acoustic Zen, and Stealth cables

Other
Avalon Arcus, Snell Type AIII, Tympani IV, Green Mountain Europa, Martin Logan CLS, Tympani 1D, Counterpoint, GAS, Yamaha, Levinson, Perreaux, Proceed, Theta, Linn, and other collectibles, including 60 different headphones and 30+ headphone amps, over 60 cartridges, and too many cables, stands, and tweaks to list.
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  #8  
Old 10-27-2018, 03:34 PM
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Jack in Wilmington Jack in Wilmington is online now
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Quote:
Originally Posted by Robert_Anderson View Post
Ivan was able to get XLR Wireworld cables for me that had two connectors to one output. They worked well, I used them when I was on the ship and wanted to split outputs to two XLR input headphone amps.
But wouldn't you just get the left channel or the right channel depending on which output you choose?
__________________
Speakers........Dynaudio Contour 1.8 Mk II
Amp...............Pass Labs X150.5
PreAmp..........McIntosh C2600
Sources..........Music Hall MMF 9.3 Walnut w/ Goldring
Eroica LX MC Cartridge
Phono Pre...…..Sutherland Insight

CD Player Rotel RCD-1072
Record Cleaning Machine...….Okki Nokki
DAC................Bryston BDA-3
Headphones.....Drop + Dan Clark Audio Ether CX /
Sennheiser HD-660S
Headphone Amp.....Bryston BHA-1
Cables....Amp to preamp - Morrow MA4
Preamp to DAC - Morrow MA4
Preamp to Headphone Amp - Morrow MA2
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  #9  
Old 10-24-2018, 12:39 PM
mulveling mulveling is offline
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Without having a dedicated source for each speakers and headphones, and without dual XLR outputs on your sources or preamp, you're going to be making a sacrifice (i.e. at a minimum an extra connection) for one or the other.

I'm not sure I'd ever want to run a preamp into a headphone amp (which has its own volume control), though I know some do that with a tube pre to fatten up the sound, and if you need input switching to a common set of sources then that pushes the point.

Lots of balanced headphones amps do have an XLR loop-output, but the downside is that you inject and extra set of connections before your amp & speakers. And since most audiophile have much more invested in speakers, that may not be an acceptable compromise.

I think the better scenario for your setup is to make use of the existing RCA output, and massage it to work for your new balanced headphone amp. A few balanced headphone amps have differential inputs that can take a single-ended input with NO performance penalty - examples of this include the upcoming new Headamp GS-X mini, and almost any Stax amp. If you get one of these amps, you're golden! Other balanced amps cannot do this, and require a balanced input for best performance - examples of this are the older Headamp GS-X (Mk I and Mk II) amps, and the Headroom Balanced amps. If you get one of the latter amps, an option is to insert a Jensen ISOMAX transformer that will convert and SE signal to balanced XLR. I've used these to good effect. It's better to not have to use them, but I've heard them improve performance for amps like the Headrooms and older Headamps that would otherwise have been handicapped by a SE source.

BTW there is a Headroom Balanced Home (Max modules) on US Audio Mart for an absolutely screaming deal right now ($625). Beautiful sounding balanced amp that sounds like it costs $4K; I still enjoy mine on occasion with Sennheisers despite also running a top-tier $20K Stax setup for my main headphone rig. This Headroom amp also pairs superbly with Focal Utopias. Also pick up some Jensen ISO-MAX for like $225, and you can be done with a top-tier headphone amp for so little cash.
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  #10  
Old 10-27-2018, 12:52 PM
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Robert_Anderson Robert_Anderson is online now
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Quote:
Originally Posted by mulveling View Post
Without having a dedicated source for each speakers and headphones, and without dual XLR outputs on your sources or preamp, you're going to be making a sacrifice (i.e. at a minimum an extra connection) for one or the other.

I'm not sure I'd ever want to run a preamp into a headphone amp (which has its own volume control), though I know some do that with a tube pre to fatten up the sound, and if you need input switching to a common set of sources then that pushes the point.

Lots of balanced headphones amps do have an XLR loop-output, but the downside is that you inject and extra set of connections before your amp & speakers. And since most audiophile have much more invested in speakers, that may not be an acceptable compromise.

I think the better scenario for your setup is to make use of the existing RCA output, and massage it to work for your new balanced headphone amp. A few balanced headphone amps have differential inputs that can take a single-ended input with NO performance penalty - examples of this include the upcoming new Headamp GS-X mini, and almost any Stax amp. If you get one of these amps, you're golden! Other balanced amps cannot do this, and require a balanced input for best performance - examples of this are the older Headamp GS-X (Mk I and Mk II) amps, and the Headroom Balanced amps. If you get one of the latter amps, an option is to insert a Jensen ISOMAX transformer that will convert and SE signal to balanced XLR. I've used these to good effect. It's better to not have to use them, but I've heard them improve performance for amps like the Headrooms and older Headamps that would otherwise have been handicapped by a SE source.

BTW there is a Headroom Balanced Home (Max modules) on US Audio Mart for an absolutely screaming deal right now ($625). Beautiful sounding balanced amp that sounds like it costs $4K; I still enjoy mine on occasion with Sennheisers despite also running a top-tier $20K Stax setup for my main headphone rig. This Headroom amp also pairs superbly with Focal Utopias. Also pick up some Jensen ISO-MAX for like $225, and you can be done with a top-tier headphone amp for so little cash.
I'm having difficult issues running the output of my Bryston BDA-3 and Esoteric K-03. I am trying to run one output from a headphone amp into my integrated Moon Evolution with one set of XLR inputs. I know that all cables are good as is all the equipment, but I'm missing the output of the right channel. I checked everything exhaustively. I suppose I have to pull every cable and start over..................
__________________
Poland:
Silenzio, Simaudio, Luxman, Bricasti, Bryston, Shunyata, Stax, Meze, Linn, Audeze, and Dan Clark Headphones, Stax, Wireworld, Crystal, Nordost, Siltech.

Home Main System:
Magnepan 20.7, Pass Labs XA 100.5, Audio Research Reference 6, Esoteric P-03, D-03, G0-Rb, DV-60, Clearaudio Innovation & Tangent arm, VPI HW19 MK4 & ET 2.5 arm, Mark Levinson 37, Aesthetix Rhea Signature, Magnum Dynalab Etude, Kiseki PHS, Sumiko Palos Santos Presentation,Wireworld, Crystal Absolute Dream, Shunyata, Acoustic Zen, and Stealth cables

Other
Avalon Arcus, Snell Type AIII, Tympani IV, Green Mountain Europa, Martin Logan CLS, Tympani 1D, Counterpoint, GAS, Yamaha, Levinson, Perreaux, Proceed, Theta, Linn, and other collectibles, including 60 different headphones and 30+ headphone amps, over 60 cartridges, and too many cables, stands, and tweaks to list.
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