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Has anyone had experience listening to any of the Class D amps that are showing up. I have seen some that got pretty good review from folks I respect. And I have been surprised by the sound quality of at least one module. I would love to hear what reactions others have to them.
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Myles B. Astor, PhD, Administrator
Senior Editor, Positive-Feedback.com
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-Zellaton Plural Evo speakers
-Goldmund Telos 440 and 1000 Nextgen mono amps
-Goldmund Mimesis 37S Nextgen preamplifier
-Doshi EVO and Goldmund PH3.8 phonostage
-VPI Vanquish direct-drive turntable
-VPI 12-inch 3D Fat Boy dual pivot tonearm, VPI 12-inch 3D Fat Boy gimballed and SAT LM-12 arm
-Lyra Atlas SL Lambda, vdh Colibri Master Signature, Mutech Hayabusa,
-Technics RS1506 with Flux Magnetic heads, Doshi V3.0 tape stage (balanced)
-Assorted cables including Skogrand, Kubala-Sosna, Audience FrontRow; Audience FrontRow, Genesis Advanced Technologies , Goldmund and Ensemble Power Cords
-Accessories including Stillpoint Aperture panels, Cathedral Sound panels, Furutech NCF Nano AC receptacles; Silver Circle Tchaik 6 PLC, Symposium ISIS and SRA Craz 3 racks, Audiodharma Cable Cooker, Symposium Ultra and assorted SRA OHIO Class 2.3+ platforms. -
And very dry...Kronos Sparta -> Trinity Phono -> Trinity Pre -> CH Precision A1 -> Magico S7sComment
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Has anyone had a chance to hear the Mola Mola?Myles B. Astor, PhD, Administrator
Senior Editor, Positive-Feedback.com
________________________________________
-Zellaton Plural Evo speakers
-Goldmund Telos 440 and 1000 Nextgen mono amps
-Goldmund Mimesis 37S Nextgen preamplifier
-Doshi EVO and Goldmund PH3.8 phonostage
-VPI Vanquish direct-drive turntable
-VPI 12-inch 3D Fat Boy dual pivot tonearm, VPI 12-inch 3D Fat Boy gimballed and SAT LM-12 arm
-Lyra Atlas SL Lambda, vdh Colibri Master Signature, Mutech Hayabusa,
-Technics RS1506 with Flux Magnetic heads, Doshi V3.0 tape stage (balanced)
-Assorted cables including Skogrand, Kubala-Sosna, Audience FrontRow; Audience FrontRow, Genesis Advanced Technologies , Goldmund and Ensemble Power Cords
-Accessories including Stillpoint Aperture panels, Cathedral Sound panels, Furutech NCF Nano AC receptacles; Silver Circle Tchaik 6 PLC, Symposium ISIS and SRA Craz 3 racks, Audiodharma Cable Cooker, Symposium Ultra and assorted SRA OHIO Class 2.3+ platforms.Comment
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Have not heard the Mola Mola unless they were at RMAF in which case they sounded quite good. I have always liked Rowland but his new all in one amp at RMAF sounded very dark to me. I heard an Audio Research class D amp at a show a few years ago that sounded fairly good. I never heard it again and I don't know if they pursued it. In general I have found them lifeless but like Myles I have only heard them at shows. But I sure would love to own an amp that weighs only 10 lbs and can fit into a shoe box!Turntable: TW Acustic TT with Ref motor & controller; Tri-Planar Arm; Transfiguration Proteus Cartridge (repaired and re-tipped by AnaMightySound), Massif Record Weight, PS Audio Stellar Phono Preamp; KLAudio Ultrasonic Record Cleaner.
Digital: Bluesound Vault-2 Music Server & Streamer
Amplification: VTL 6.5 preamp Series II, Pass Labs 150.8 Amp
Loudspeakers: Piega C711 Loudspeakers
Isolation: Symposium Osiris Rack; Symposium Platforms and Roller Blocks and grade 2.5 Balls
Misc: Acoustic Revive RR-888 Low Frequency Pulse Generator, Synergistic Research 12 UEF SE Line Conditioner, Level 3 HC AC Cord and Level 3 Atmosphere power cords, Synergistic Carbon fiber wall plates, Synergistic Research Orange Outlet, Furutech NCF Booster Braces, synergistic Research Galileo and Atmosphere X Euphoria Level 3 Balanced ICs, Synergistic Research Euphoria Level 3 Speaker Cables, Synergistic Research Cable Risers.
Sennheiser HDV 650 Headphone Amp; Sennheiser HD800s Headphones.Comment
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I love your screen name: "1more record 2 clean"
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^raises hand^
I heard them in Tokyo with Lansche speakers. Not your grandpa's class D top end. Very very good in fact. Not sure if it was the Molas or the Ion tweeters but the Molas surely weren't doing any harm. Too bad the rest of the sound wasn't in the same ballpark as the highs. The transition from great highs to ordinary everything else was rather disconcerting. My bet was it was a speaker and not electronics problem.Comment
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Turntable: TW Acustic TT with Ref motor & controller; Tri-Planar Arm; Transfiguration Proteus Cartridge (repaired and re-tipped by AnaMightySound), Massif Record Weight, PS Audio Stellar Phono Preamp; KLAudio Ultrasonic Record Cleaner.
Digital: Bluesound Vault-2 Music Server & Streamer
Amplification: VTL 6.5 preamp Series II, Pass Labs 150.8 Amp
Loudspeakers: Piega C711 Loudspeakers
Isolation: Symposium Osiris Rack; Symposium Platforms and Roller Blocks and grade 2.5 Balls
Misc: Acoustic Revive RR-888 Low Frequency Pulse Generator, Synergistic Research 12 UEF SE Line Conditioner, Level 3 HC AC Cord and Level 3 Atmosphere power cords, Synergistic Carbon fiber wall plates, Synergistic Research Orange Outlet, Furutech NCF Booster Braces, synergistic Research Galileo and Atmosphere X Euphoria Level 3 Balanced ICs, Synergistic Research Euphoria Level 3 Speaker Cables, Synergistic Research Cable Risers.
Sennheiser HDV 650 Headphone Amp; Sennheiser HD800s Headphones.Comment
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Myles B. Astor, PhD, Administrator
Senior Editor, Positive-Feedback.com
________________________________________
-Zellaton Plural Evo speakers
-Goldmund Telos 440 and 1000 Nextgen mono amps
-Goldmund Mimesis 37S Nextgen preamplifier
-Doshi EVO and Goldmund PH3.8 phonostage
-VPI Vanquish direct-drive turntable
-VPI 12-inch 3D Fat Boy dual pivot tonearm, VPI 12-inch 3D Fat Boy gimballed and SAT LM-12 arm
-Lyra Atlas SL Lambda, vdh Colibri Master Signature, Mutech Hayabusa,
-Technics RS1506 with Flux Magnetic heads, Doshi V3.0 tape stage (balanced)
-Assorted cables including Skogrand, Kubala-Sosna, Audience FrontRow; Audience FrontRow, Genesis Advanced Technologies , Goldmund and Ensemble Power Cords
-Accessories including Stillpoint Aperture panels, Cathedral Sound panels, Furutech NCF Nano AC receptacles; Silver Circle Tchaik 6 PLC, Symposium ISIS and SRA Craz 3 racks, Audiodharma Cable Cooker, Symposium Ultra and assorted SRA OHIO Class 2.3+ platforms.Comment
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I haven't heard any yet but have heard some good reviews from people that have tried them. Emotiva is supposed to be bringing out some during this year. Interested to hear some reviews of them.Comment
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In the next few weeks I should be getting a pair of Nord One UP NC500MB NC500 Mono Amps loaned from a friend to demo. If they are as expected, I'll be ordering a pair for myself with a couple different input buffer opamp choices. This will allow me to do some opamp-rolling.
Last edited by MikeCh; 04-02-2016, 10:23 AM.Mike
avantiaudio.com
arc ls27 -or- sp-11 | arc d130 | vpi classic 2 w/periphery ring w/Si3N4 bearing & sapphire thrust plate | phoenix engineering eagle & road runner ps/tach | ortofon cadenza bronze, miyajima zero mono | sentec eq11 w/ Sylvania 5751 TMBP & CBS 7318 | auditorium a23 sut | canton vento ref 9dc -or- ergo passiv | oppo bdp-95 | chord qutest | lumin d1 streamer & sbooster psu | avanti audio allegro cablesComment
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I've read some recent reviews of newer Class D amps like the SPEC out of Japan that seem quite promising. Perhaps I'll be able to hear a few in Newport in a couple of months.
I did listen to some class D amps a few years back in my own system. I had some Hypex amps and some Nuforce amps. At first listen they had very good bass but after longer term listening, highs could be a bit unpleasant and soundstage wasn't great. One theory that I had was that Class D amps can put a lot of noise back into the power grid and that noise can adversely affect one's other gear. I found that the Nuforce amps sounded much better when I took rather extreme power conditioning measures, which seemed to validate my hypothesis. When used with beefy isolation transformers which were then fed into an Audience power conditioner, sound quality improved quite a bit.
---GaryAnalog: Scheu + Immedia RPM tonearm + Koetsu Black + Pass Xono or Threshold FET 10pe
Amps: First Watt F7, HK Citation II
Pre-Amps: CJ Premier 14, Threshold FET 10e, DIY 417a with output transformer
Speakers: Horning Eufrodite, Reference 3A mm de capo
Tuners: Sansui TU9900, McIntosh MR78
Digital: i7 Server (Roon) + SSD, Sonore urendu + Mutec MC3+ USB + Berkeley Alpha Dac, Audiomeca Mephisto
Power: Audience AR12, Torus Tot, DIY filtersComment
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I have a pair of the Hypex Ncore NC400 that have become my main amps. I also have a pair of the Nord NC500 with the Sonic Imagery 994 inputs ordered.MartyComment
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I've only heard Class D amps at shows but outside of the Rowlands, these amplifier just aren't involving and seem too squeaky clean to me.Myles B. Astor, PhD, Administrator
Senior Editor, Positive-Feedback.com
________________________________________
-Zellaton Plural Evo speakers
-Goldmund Telos 440 and 1000 Nextgen mono amps
-Goldmund Mimesis 37S Nextgen preamplifier
-Doshi EVO and Goldmund PH3.8 phonostage
-VPI Vanquish direct-drive turntable
-VPI 12-inch 3D Fat Boy dual pivot tonearm, VPI 12-inch 3D Fat Boy gimballed and SAT LM-12 arm
-Lyra Atlas SL Lambda, vdh Colibri Master Signature, Mutech Hayabusa,
-Technics RS1506 with Flux Magnetic heads, Doshi V3.0 tape stage (balanced)
-Assorted cables including Skogrand, Kubala-Sosna, Audience FrontRow; Audience FrontRow, Genesis Advanced Technologies , Goldmund and Ensemble Power Cords
-Accessories including Stillpoint Aperture panels, Cathedral Sound panels, Furutech NCF Nano AC receptacles; Silver Circle Tchaik 6 PLC, Symposium ISIS and SRA Craz 3 racks, Audiodharma Cable Cooker, Symposium Ultra and assorted SRA OHIO Class 2.3+ platforms.Comment
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