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11/2009 - Belles Statement VT-01 Preamplifier SoundStage!
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08/2009 - Lamm LL2.1 Deluxe Preamplifier SoundStage!
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12/2008 - Classé Audio Delta CP-700 Preamplifier Ultra Audio
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12/2008 - Esoteric C-03 Preamplifier SoundStage! BHK
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11/2008 - Bryston BP 6 C-Series Preamplifier SoundStage!
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11/2008 - Parasound Halo JC 2 Preamplifier Ultra Audio
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10/2008 - Atma-Sphere MP-3 Mk III Preamplifier SoundStage!
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07/2008 - Boulder Amplifiers 810 Preamplifier Ultra Audio
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05/2008 - PBN Audio Olympia-L Preamplifier Ultra Audio
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04/2008 - Simaudio Moon Evolution P-7 Preamplifier SoundStage! A/V
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04/2008 - Belles LA-01 Preamplifier Ultra Audio
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11/2007 - Audio Research LS26 Preamplifier SoundStage!
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10/2007 - Atma-Sphere MP-1 Mk III Preamplifier SoundStage!
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10/2007 - Einstein The Absolute Tune Integrated Amplifier SoundStage! BHK
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09/2007 - NuForce P-9 Preamplifier Ultra Audio
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07/2007 - NuForce P-9 Preamplifier SoundStage! BHK
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07/2007 - Ayre Acoustics K-5xe Preamplifier Ultra Audio
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06/2007 - Audio Research LS17 Preamplifier SoundStage!
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04/2007 - Conrad-Johnson PV15 Preamplifier SoundStage! BHK
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12/2006 - Reimyo CAT-777 Preamplifier Ultra Audio
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09/2006 - Aurum Acoustics Integris CDP CD Player/Preamplifier SoundStage! BHK
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09/2006 - Aurum Acoustics Integris CDP CD Player/Preamplifier SoundStage! A/V BHK
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04/2006 - Einstein The Tube Preamplifier SoundStage! BHK
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02-03/2006 - Audio Research Reference 3 Preamplifier SoundStage! BHK
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01/2006 - Rogue Audio Metis Preamplifier SoundStage! BHK
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08/2005 - Conrad-Johnson ACT2 Preamplifier SoundStage!
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07/2005 - Dared Mini SL-2000A Preamplifier GoodSound!
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06/2005 - Odyssey Audio Etesian Preamplifier SoundStage!
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04/2005 - AVTAC Pasiphae Transformer Attenuator Ultra Audio!
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04/2005 - Song Audio SA-1 Preamplifier SoundStage! A/V BHK
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03/2005 - Audio Research Corporation MP1 Multichannel Preamplifier Home Theater & Sound
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03/2005 - VTL TL-7.5 Reference Preamplifier SoundStage!
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01/2005 - Boulder Amplifiers 1010 Preamplifier Ultra Audio!
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12/2004 - Mark Levinson No.320S Preamplifier onhifi.com
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12/2004 - Song Audio SA-1 Preamplifier SoundStage! BHK
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12/2004 - Bel Canto Design PRe2P Preamplifier SoundStage!
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12/2004 - Parasound Halo P3 Preamplifier GoodSound!
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11/2004 - Classé Audio Delta CP-500 Preamplifier SoundStage!
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06/2004 - Anthem TLP 1 Preamplifier-Tuner GoodSound!
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06/2004 - T+A M-System PT820M Preamplifier-Tuner onhometheater.com
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12/2003 - Belles 21A Preamplifier SoundStage!
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12/2003 - Eastern Electric MiniMax Preamplifier SoundStage!
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10/2003 - NHT PVC Passive Volume Control onhifi.com
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10/2003 - Krell KAV-280p Preamplifier onhifi.com
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08/2003 - Naim NAC 552 Preamplifier Ultra Audio
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07/2003 - Blue Circle Audio BC21.1 Preamplifier SoundStage!
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04/2003 - Anthem TLP 1 Preamplifier SoundStage!
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03/2003 - Bel Canto Design PRe6 Multichannel Preamplifier Home Theater & Sound
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03/2003 - Song Audio SA-1 Preamplifier Ultra Audio
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02/2003 - deHavilland Verve Preamplifier SoundStage!
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02/2003 - Pass Labs X2.5 Preamplifier Ultra Audio
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10/2002 - Blue Circle Audio CS Preamplifier SoundStage!
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09/2002 - McCormack Audio Corporation MAP-1 Multichannel Preamplifier Home Theater & Sound
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08/2002 - B&K PT-3 Series II Preamplifier GoodSound!
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06/2002 - Atma-Sphere MP-3 Preamplifier SoundStage!
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06/2002 - Audio Research SP16 Preamplifier SoundStage!
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06/2002 - Ayre Acoustics K-1x Preamplifier SoundStage!
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06/2002 - FT Audio LW1 Passive Preamplifier SoundStage!
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05/2002 - Blue Circle Audio AG3000 Preamplifier SoundStage!
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03/2002 - Conrad-Johnson PV14LS Preamplifier SoundStage!
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12/2001 - Niro Control Engine onhifi.com
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09/2001 - McCormack RLD-1 Preamplifier SoundStage!
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09/2001 - Krell Current Tunnel Preamplifier onhifi.com
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08/2001 - Rega Cursa 2000 Preamplifier SoundStage!
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08/2001 - Bel Canto Design PRe1 Preamplifier SoundStage!
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05/2001 - Lamm L2 Reference Preamplifier SoundStage!
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03/2001 - Matisse Fantasy MK II Linestage SoundStage!
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01/2001 - Conrad-Johnson Premier 17LS Preamp SoundStage!
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09/2000 - Musical Fidelity A3CR Preamplifier SoundStage!
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07/2000 - R.E. Designs SCPA 1 Six-Channel Preamplifier Home Theater & Sound
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06/2000 - Blue Circle Audio BC21 Preamplifier SoundStage!
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05/2000 - Lamm LL2 Preamplifier SoundStage!
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04/2000 - Balanced Audio Technology VK-40 Preamp SoundStage!
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02/2000 - Sonic Frontiers Line 3 Preamp SoundStage!
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12/1999 - Herron Audio VTSP-1 Line-Stage Preamp SoundStage!
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12/1999 - Simaudio Moon P-5 Line-Stage Preamp SoundStage!
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12/1999 - Legend Audio LAD-L2 Line-Stage Preamp SoundStage!
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11/1999 - Wyetech Labs Jade Preamplifier SoundStage!
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06/1999 - Bel Canto Design SEP1 Linestage Preamp SoundStage!
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04/1999 - Hovland HP-100 Preamp SoundStage!
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02/1999 - Balanced Audio Technology VK-3i Preamp SoundStage!
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06/1998 - Thor Audio TA-2000 Preamplifier SoundStage!
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06/1998 - RE Designs LNLSA-1 Line Stage SoundStage!
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11/1997 - LAMM L-1 Linestage Preamplifier SoundStage!
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11/1997 - Anthem Pre 1L and Amp 1 SoundStage!
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09/1997 - Lexicon DC-1 SoundStage!
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07/1997 - Lexicon DC-1 SoundStage!
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12/1996 - Blue Circle BC-3 Preamp SoundStage!
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Audio Synthesis Passion Preamp SoundStage!
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Audible Illusions L-1 SoundStage!