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  #1  
Old 09-04-2012, 09:32 AM
o0OBillO0o o0OBillO0o is offline
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Default List thread of true "Fully Balanced" Pre-amps

I'm talking not just a balanced in and balanced out. Where the the balanced input is converted to unbalanced and then converted back to balanced for the output.

I'm talking fully balanced, four element volume control, balanced from input to output.

To start here is one (Courtesy Bridge Audio Laboratory) :




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  #2  
Old 09-04-2012, 09:40 AM
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McIntosh C500 and C1000 combos

Bob
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Amps:VAC 450iQ Monos in Silver Flake on HRS M3X2-1921's, HRS G7 Footers/G-Links & Sound Anchor Conecoasters.
Preamp:VAC Statement (on order) (Silver Flake)
Digital Source: dCS Rossini CD/SACD Transport, Vivaldi APEX DAC, Upsampler Plus & matching Clock (Silver)
Analogue Preamp:VAC Renaissance SE Phono stage in Silver Flake with XLR Output Option & with Nordost Valhalla XLR's.
Analogue Sources:SME 20/2 w/SME V arm & Nordost Odin 2 Tone Arm Cable, Palo Santos Presentation Cartridge & Akai GX-400D Reel-to-Reel w/relapped heads by JRF Magnetic Sciences. Akai RC-17 cabled remote (original owner since 1974).
Vibration Control:TT on HRS M3X2-1921 shelf.
Speakers:Wilson Audio Alexia V (on order in Ferrari Argento Silver/Parchment grills sitting on Acoustic Diode Kit).
Power Cables:4 Nordost Odin Supreme Reference on amps, preamp & DAC. Ansuz Acoustics C2 on Transport & Clock.
Power Distribution:Ansuz Mainz D3 Distributor & Ansuz Mainz C2 1M Power Cable
Power Outlets:Furutech GTX-D NCF (R) duplex outlet, GTX Wall Plate & Duplex Cover (x2) on dedicated, same panel phase, 20A breakers.
Speaker Cables:2M Nordost Odin 2 Supreme Reference on Nordost Sort Lifts. (on Order)
Signal Cables:Nordost Odin XLR's on dCS DAC & Amps.
Digital Cables: Nordost Odin 2's, 110-ohm AES/EBU on dCS Transport to DAC.
Clock Cables:5 each 75 ohm 1.25M Nordost Valhalla BNC/BNC Digital
Ethernet Cable: WireWorld Platinum 1M Starlight® 8 Twinax
Headphones:Vintage Koss Pro IV AA.
RCM: Audio Desk PRO
Tube Test Gear:Mint late '60's/calibrated Heathkit TT-1A, MaxiMatcher Power Amp & Preamp & Space Tech Labs ATT-3.02 tube test sets.
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  #3  
Old 09-04-2012, 09:45 AM
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The Cary SLP-05 is fully balanced.
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  #4  
Old 09-04-2012, 10:00 AM
o0OBillO0o o0OBillO0o is offline
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Quote:
Originally Posted by vintage_tube View Post
McIntosh C500 and C1000 combos

Bob


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  #5  
Old 09-04-2012, 10:00 AM
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VAC:

Signature Preamplifier MK IIa
Renaissance MK III

Bob
__________________
Amps:VAC 450iQ Monos in Silver Flake on HRS M3X2-1921's, HRS G7 Footers/G-Links & Sound Anchor Conecoasters.
Preamp:VAC Statement (on order) (Silver Flake)
Digital Source: dCS Rossini CD/SACD Transport, Vivaldi APEX DAC, Upsampler Plus & matching Clock (Silver)
Analogue Preamp:VAC Renaissance SE Phono stage in Silver Flake with XLR Output Option & with Nordost Valhalla XLR's.
Analogue Sources:SME 20/2 w/SME V arm & Nordost Odin 2 Tone Arm Cable, Palo Santos Presentation Cartridge & Akai GX-400D Reel-to-Reel w/relapped heads by JRF Magnetic Sciences. Akai RC-17 cabled remote (original owner since 1974).
Vibration Control:TT on HRS M3X2-1921 shelf.
Speakers:Wilson Audio Alexia V (on order in Ferrari Argento Silver/Parchment grills sitting on Acoustic Diode Kit).
Power Cables:4 Nordost Odin Supreme Reference on amps, preamp & DAC. Ansuz Acoustics C2 on Transport & Clock.
Power Distribution:Ansuz Mainz D3 Distributor & Ansuz Mainz C2 1M Power Cable
Power Outlets:Furutech GTX-D NCF (R) duplex outlet, GTX Wall Plate & Duplex Cover (x2) on dedicated, same panel phase, 20A breakers.
Speaker Cables:2M Nordost Odin 2 Supreme Reference on Nordost Sort Lifts. (on Order)
Signal Cables:Nordost Odin XLR's on dCS DAC & Amps.
Digital Cables: Nordost Odin 2's, 110-ohm AES/EBU on dCS Transport to DAC.
Clock Cables:5 each 75 ohm 1.25M Nordost Valhalla BNC/BNC Digital
Ethernet Cable: WireWorld Platinum 1M Starlight® 8 Twinax
Headphones:Vintage Koss Pro IV AA.
RCM: Audio Desk PRO
Tube Test Gear:Mint late '60's/calibrated Heathkit TT-1A, MaxiMatcher Power Amp & Preamp & Space Tech Labs ATT-3.02 tube test sets.
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  #6  
Old 09-04-2012, 10:01 AM
o0OBillO0o o0OBillO0o is offline
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Quote:
Originally Posted by asindc View Post
The Cary SLP-05 is fully balanced.


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  #7  
Old 09-04-2012, 10:03 AM
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Audio Research Reference 5, 5SE, 40th Anniversary

Ayre KX-R
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  #8  
Old 09-04-2012, 10:04 AM
o0OBillO0o o0OBillO0o is offline
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Quote:
Originally Posted by vintage_tube View Post
VAC:

Signature Preamplifier MK IIa
Renaissance MK III

Bob

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  #9  
Old 09-04-2012, 10:06 AM
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Quote:
Originally Posted by doggiehowser View Post
Audio Research Reference 5


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  #10  
Old 09-04-2012, 10:07 AM
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Quote:
Originally Posted by doggiehowser View Post
Ayre KX-R
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