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Equipment Reviews

Ultra Audio's site platform was changed in August 2010. For equipment reviews previous to that, use this link to transfer to the old site.

SPL Performer m1000 Monoblock Amplifiers

Written by: Aron Garrecht
Created: 15 July 2021

Note: for the full suite of measurements from the SoundStage! Audio-Electronics Lab, click this link.

Sound Performance Lab (SPL) is based in Niederkrüchten, in North Rhine-Westphalia, Germany, and has manufactured professional and home audio gear since 1983. With a deep background in studio mastering, SPL founder and chief designer Wolfgang Neumann got the idea of starting his own company while managing a recording studio in rural Germany in the late 1970s. In those days, the US dollar was valued at roughly 3.5 times the deutschmark, and importing US-made studio gear wasn’t cheap. This led Neumann to begin the tinkering that ultimately convinced him he could design and build better-sounding products and sell them at prices significantly below those of imported US equivalents. By 1983, he’d begun selling his products under the SPL brand, but struggled with distribution until, in 1985, he met Hermann Gier.

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MSB Technology Premier Digital-to-Analog Converter

Written by: Jeff Fritz
Created: 01 July 2021

Reviewers' ChoiceSo there I was, listening to the MSB Technology S202 stereo power amplifier ($29,500, all prices USD) paired with my own MSB Discrete DAC ($9950 base price, $21,380 as configured) through Magico A5 loudspeakers ($24,800/pair). I marveled at the system’s resolution and quietness—“blacker” backgrounds I’d never heard. The sound of this system was so good, so right—so everything—I kept thinking that if I were an audiophile who didn’t have to review gear for a living and I owned such a system, where could I go from here? Would I need to “go” anywhere at all? I was so impressed by the sound that I wrote about it in my last month’s “Opinion” for SoundStage! Ultra, “Building a Supersystem Around Magico Speakers and MSB Technology Electronics.” I could have just stopped chasing better sound and been thrilled with that setup for the long haul.

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Siltech Classic Legend 680L Speaker Cables

Written by: Hans Wetzel
Created: 15 June 2021

Audiophiles are an eccentric bunch. When we start describing sound the way a sommelier might describe a bottle of fine red wine, it can be difficult for even the most openminded non-audiophile to take us seriously. Speakers, DACs, and amplifiers are the easiest suspects for which to make an objective case. You can measure them, and correlate your subjective listening impressions to draw broad conclusions about how good a component sounds.

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Magico A5 Loudspeakers

Written by: Jeff Fritz
Created: 01 June 2021

Reviewers' ChoiceMagico’s A series of loudspeakers is interesting for several reasons—certainly in terms of their design and sound, but also in how this series fits into Magico’s entire history of speakers. Those of you who recall the introduction in 2010 of Magico’s first Q-series speaker, the Q5 ($59,950/pair when introduced, all prices USD), will know that those who first saw and heard it thought it a groundbreaking product. Its all-aluminum cabinet was displayed at the 2010 Consumer Electronics Show, in Las Vegas, with one side panel removed. Attendees were mesmerized—the lattice of braces and bolts and high-tech drive units began an era of Magico’s history that saw huge growth, not only in terms of units sold but in stature within the industry. The company’s founder, Alon Wolf, was making speakers his way. They looked like nothing else, and they sounded like nothing else.

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Allnic Audio L-9000 OTL/OCL Preamplifier

Written by: Howard Kneller
Created: 15 May 2021

Based in Songnam City, South Korea, Allnic Audio was founded in 1997 by Kang Su (“K.S.”) Park. Park has always been keenly interested in music and electronics—his older brothers, both electricians, taught him the basic principles of electronics at an early age, and soon he was building his own audio components. However, according to Park, at the time neither Korean culture nor his parents valued the electronics trade. When he attended university in Seoul, he studied for and received a degree in French language studies.

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MSB Technology S202 Stereo Amplifier

Written by: Jeff Fritz
Created: 01 May 2021

Reviewers' ChoiceIn May 2020, when MSB Technology announced their S202 stereo amplifier ($29,500, all prices USD), I thought it a perfectly sized power amp. I could move its 90 pounds myself, and its dimensions of 16″W x 7″H x 19″D meant that it could fit many places, including the shelf of an average-size, high-end audio rack. Still, I could see, even in the photos, that it was a substantial machine. Its contoured aluminum case and chassis—in this model they’re the same thing—were obviously the results of lots of CNC milling, and inside, its jewel-like parts and layout made clear that the S202 was a lot more than a pair of tiny class-D amps rattling around inside an otherwise empty box.

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Classé Audio Delta Pre Preamplifier-DAC

Written by: Aron Garrecht
Created: 15 April 2021

In 2011, Classé Audio introduced the CP-800 preamplifier-DAC ($6500, all prices USD) to replace the well-received, analog-only CP-700 preamplifier ($8000); both models are now discontinued. In 2013 I reviewed the CP-800, our editorial team named it a Reviewers’ Choice, and I made it my reference preamplifier. The CP-800 remained largely unchanged until late 2016, when it, too, was discontinued.

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Estelon X Diamond Mk II Loudspeakers

Written by: Jeff Fritz
Created: 01 April 2021

Reviewers' ChoiceTo many audiophiles, this one included, luxury loudspeaker maker Estelon has largely been a mystery. What I knew about Estelon before this review—and I follow the upper end of the hi-fi market closely—was entirely superficial: They’re based in Tallinn, Estonia, in northern Europe; before COVID-19, they displayed their wares at Munich’s annual High End show; the shapely forms of their speakers are often described as elegant; and those speakers are not inexpensive.

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Audio Research Reference 6SE Preamplifier

Written by: Aron Garrecht
Created: 15 March 2021

Reviewers' ChoiceA little less than two years ago, I reviewed Audio Research’s Reference 6 preamplifier ($15,000, discontinued; all prices USD). Little more than a day of listening later, I’d decided I wouldn’t be sending my review sample back, and ever since, the Ref 6 has been my reference preamp. Asked to review the Ref 6’s successor, the Reference 6SE ($17,000), my answer was a no-brainer: Yes.

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Zesto Audio Andros Deluxe II Phono Stage

Written by: Jeff Sirody
Created: 01 March 2021

It’s not imperative for me that an audio component be visually flashy or fancy. I still love the clean, classic simplicity of, say, the basic burnished metal faceplate of a vintage Conrad-Johnson or Audio Research model—no knobs or buttons other than a power switch. That said, there’s something about watching the myriad meters of my reference system of McIntosh Laboratory amplification components dancing in a blue glow—my experience of the sound is enhanced by the system’s visual appeal.

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  1. Esoteric Grandioso K1X SACD/CD Player-DAC and Grandioso PS1 Power Supply
  2. Classé Audio Delta Mono Amplifiers
  3. Sonus Faber Heritage Collection Maxima Amator Loudspeakers
  4. Vinnie Rossi L2i Signature Edition Integrated Amplifier-DAC
  5. Linear Tube Audio Z40 Integrated Amplifier
  6. Audio Research Reference 160S Stereo Amplifier
  7. Rotel Michi M8 Mono Amplifiers
  8. Black Cat Cable Trøn USB and Trøn Kløk Digital Links
  9. Dynaudio Contour 20i Loudspeakers
  10. Mola Mola Tambaqui Digital-to-Analog Converter
  11. Synergistic Research PowerCell SX Power Conditioner
  12. Focal Diablo Utopia Colour Evo Loudspeakers
  13. Gryphon Audio Designs Essence Stereo Amplifier
  14. Constellation Audio Inspiration Integrated 1.0 Integrated Amplifier
  15. Plinius Reference A-150 Stereo/Mono Amplifier
  16. dCS Bartók Digital-to-Analog Converter
  17. EMM Labs DV2 DAC-Preamplifier
  18. Wells Audio Commander Level II Preamplifier
  19. Audience frontRow Interconnects, Speaker Cables, and Power Cords
  20. McIntosh Laboratory C1100 Preamplifier
  21. Xavian Electronics Classic Quarta Loudspeakers
  22. Estelon YB Loudspeakers
  23. Simaudio Moon 700i v2 Integrated Amplifier
  24. Shunyata Research Hydra Alpha A12 Power Conditioner and Venom NR-V10 Power Cord
  25. Merrill Audio Jens Phono Stage
  26. Gryphon Audio Designs Zena Preamplifier
  27. EgglestonWorks Nico Evolution Loudspeakers
  28. Sonus Faber Olympica Nova III Loudspeakers
  29. Audience Au24 SX Interconnects and Speaker Cables
  30. McIntosh Laboratory MC1.25KW Mono Amplifiers
  31. Sonus Faber Heritage Collection Electa Amator III Loudspeakers
  32. Rockport Technologies Avior II Loudspeakers
  33. Theoretica Applied Physics BACCH-SP adio 3D Sound Processor
  34. PMC Fact Fenestria Loudspeakers
  35. GigaWatt PC-4 Evo+ Power Conditioner
  36. Luxman D-380 CD Player
  37. SGR Audio Model III Symphony Equipment Rack
  38. TAD Evolution One TX Loudspeakers
  39. McIntosh Laboratory MT10 Turntable
  40. Magico A3 Loudspeakers
  41. Merrill Audio Element 118 Mono Amplifiers
  42. Valve Amplification Company Master Preamplifier
  43. Constellation Audio Revelation Andromeda Phono Stage
  44. Audio Research Reference 6 Preamplifier
  45. Essential Sound Products MusicCord Pro Power Cord
  46. Gryphon Audio Designs Mojo S Loudspeakers
  47. Synergistic Research Galileo SX Interconnects, Speaker Cables, and IFT Jumpers
  48. Auralic Vega G2 Streaming DAC-Preamplifier
  49. Cocktail Audio X45Pro Music Server-DAC
  50. Luxman L-509X Integrated Amplifier
  51. Vivid Audio Kaya 45 Loudspeakers
  52. Audio Research Reference 160M Mono Amplifiers
  53. Weiss Engineering DAC501 Digital-to-Analog Converter
  54. EgglestonWorks Kiva Loudspeakers
  55. VPI Prime Signature Turntable
  56. AVM Ovation SD 6.2 Preamplifier-DAC-Streamer
  57. Shunyata Research Hydra Typhon QR Power Distributor
  58. Burmester Ambience BA71 Loudspeakers
  59. GIK Acoustics 2A Alpha Diffusor/Absorber Acoustic Panel
  60. Linnenberg Elektronik Telemann DAC-Preamplifier
  61. Top Wing Blue Dragon Phono Cartridge
  62. Simaudio Moon 888 Mono Amplifiers
  63. Synergistic Research SR25 Limited Edition Power Cord
  64. Balanced Audio Technology VK-53SE Preamplifier
  65. Sumiko Reference Starling Moving-Coil Phono Cartridge
  66. Tidal Piano G2 Loudspeakers
  67. ZYX Ultimate 4D-X MC Phono Cartridge
  68. European Audio Team E-Glo S Phono Stage
  69. Balanced Audio Technology VK-255SE Stereo Amplifier
  70. T+A Elektroakustik PA 3100 HV Integrated Amplifier
  71. Furutech NCF Booster Cable Holder
  72. Raidho Acoustics XT-5 Loudspeakers
  73. Waversa Systems WDAC3 Mk.II Digital-to-Analog Converter
  74. Rethm Maarga Loudspeakers
  75. Audience Au24 SX powerChord Power Cord
  76. McIntosh Laboratory MA9000 Integrated Amplifier-DAC
  77. VPI MW1 Cyclone Record-Cleaning Machine
  78. Esoteric Grandioso G1 Master Clock Generator
  79. Pro-Ject RPM 10 Carbon Turntable with 10cc Evolution Tonearm
  80. Esoteric Grandioso K1 SACD/CD Player-DAC
  81. Sonus Faber Homage Amati Tradition Loudspeakers
  82. TAD Micro Evolution One Loudspeakers
  83. Paradigm Persona 7F Loudspeakers
  84. Dynaudio Contour 60 Loudspeakers
  85. VAC Signature 200iQ Stereo Amplifier
  86. Synergistic Research Galileo UEF Speaker Cables, Interconnects, and IFT Jumpers
  87. Mytek Digital Brooklyn DAC-Phono Stage-Preamplifier-Headphone Amplifier
  88. Moon by Simaudio Evolution 860A Stereo Amplifier
  89. Esoteric K-05X SACD/CD Player/DAC
  90. Audio Physic Codex Loudspeakers
  91. Furutech FI-50 NCF Series Power Connectors and FP-TCS31 Alpha PC-Triple C Bulk Power Cord
  92. Vivid Audio Giya G1 Spirit Loudspeakers
  93. Audio Research Foundation DAC9 Digital-to-Analog Converter
  94. Vandersteen Audio Model Seven Mk.II Loudspeakers and M7-HPA Mono Amplifiers
  95. JPlay JCAT USB Card and USB Isolator
  96. Monitor Audio Platinum II PL300 II Loudspeakers
  97. Audiodesksysteme Gläss Vinyl Cleaner Pro
  98. Gryphon Audio Designs Antileon Evo Stereo Amplifier
  99. Symposium Acoustics Osiris Stealth Ultimate Equipment Rack
  100. Focus Audio Liszt Concerto Mono Integrated Amplifiers
  101. Magico MPod Support System
  102. Linear Tube Audio ZOTL40 Mk.II Stereo Amplifier
  103. Synergistic Research PowerCell 12 UEF SE Power Conditioner
  104. van den Hul Crimson Stradivarius Phono Cartridge
  105. Devialet Expert 1000 Pro Mono DAC-Integrated Amplifiers
  106. Audience adeptResponse aR6-TSSOX Power Conditioner
  107. Audio Physic Avanti Loudspeakers
  108. High Fidelity Cables CT-1 Ultimate Digital Link, Interconnects, Speaker Cables, and Power Cords
  109. Gryphon Audio Designs Diablo 300 Integrated Amplifier-DAC
  110. Constellation Audio Inspiration Stereo 1.0 Amplifier
  111. Kharma Elegance dB9-S Loudspeakers
  112. Ayre Acoustics AX-5 Twenty Integrated Amplifier
  113. Luxman EQ-500 Phono Stage
  114. fo.Q Modrate HEM-25 Pure Note Insulators
  115. Constellation Audio Inspiration Preamp 1.0 Preamplifier
  116. Zanden Audio Systems Model 3100 Preamplifier
  117. YBA Passion PRE550A DAC-Preamplifier
  118. Skogrand Cables Ravel Speaker Cables and Interconnects
  119. Soulution 560 Digital-to-Analog Converter
  120. Synergistic Research Atmosphere Level 4 Speaker Cables and Interconnects, Atmosphere Level 3 Power Cords, Grounding Block and HD Ground Cables
  121. Merging NADAC ST-2 Digital-to-Analog Converter
  122. Zanden Audio Systems AT-1 Acoustic Tubes and AP-1 Acoustic Panels
  123. Rockport Technologies Cygnus Loudspeakers
  124. Esoteric K-07X SACD/CD Player/DAC
  125. Moon by Simaudio Evolution 850P Preamplifier
  126. Stanford Research Systems PERF10 Rubidium Audio Clock
  127. Wadia di322 Digital-to-Analog Converter
  128. Reference 3A Nefes Loudspeakers
  129. Ayre Acoustics KX-5 Twenty Preamplifier
  130. Nordost Norse 2 Tyr 2 Speaker Cables, Interconnects, and Power Cords
  131. Ayre Acoustics MX-R Twenty Mono Amplifiers
  132. Aqua - Acoustic Quality La Voce S2 Digital-to-Analog Converter
  133. Magico Q7 Mk II Loudspeakers
  134. Highend-AudioPC AudiophileOptimizer Computer Audio Software
  135. Soulution 711 Stereo Amplifier
  136. Rogue Audio RP-5 Preamplifier
  137. Moon by Simaudio Evolution 760A Stereo Amplifier
  138. AudioQuest Cinnamon Ethernet Cable
  139. Spatial Audio Hologram M1 Turbo Loudspeakers
  140. Audio Research Reference 10 Preamplifier
  141. Bryston Middle T Loudspeakers
  142. Vienna Acoustics Imperial Liszt Loudspeakers
  143. Exogal Comet Digital-to-Analog Converter
  144. NAD Masters Series M22 Stereo Amplifier and M12 Preamplifier-DAC
  145. Ascendo C6 Loudspeakers
  146. Hegel Music Systems HD12 Digital-to-Analog Converter
  147. Esoteric Grandioso P1 SACD/CD Transport, Grandioso D1 Mono Digital-to-Analog Converters, and G-01 Master Clock Generator
  148. Blue Circle Audio BC60X1 Power Conditioner
  149. Octave Audio V 110 Integrated Amplifier
  150. JL Audio CR-1 Active Subwoofer Crossover
  151. fo.Q Damping Products and AB-4045 Audio Board Isolation Platform
  152. Devialet 400 Mono Integrated Amplifier-DACs
  153. Audio Research VSi75 Integrated Amplifier
  154. Triangle Magellan Cello Loudspeakers
  155. Audience Au24 SE powerChords, Interconnects, and Speaker Cables
  156. Zanden Audio Systems 120 Phono Stage
  157. Grimm Audio LS1 Loudspeakers and LS1s Subwoofers
  158. Aurender W20 Music Server
  159. Transfiguration Phoenix S Phono Cartridge
  160. M2Tech Young DSD Digital-to-Analog Converter
  161. Audio Research SP20 Preamplifier
  162. Magico S3 Loudspeakers
  163. Synergistic Research High Frequency Transducer (HFT) and Frequency Equalizer (FEQ) Room Treatments and XOT Crossover Transducer
  164. Ayre Acoustics KX-R Twenty Preamplifier
  165. Resonessence Labs Invicta Mirus Digital-to-Analog Converter
  166. Vivid Audio Giya G4 Loudspeakers
  167. Aurender X100L Music Server
  168. Sonus Faber Olympica I Loudspeakers
  169. Clarity Cable Organic Speaker Cables, Interconnects, Digital Interconnect, and Vortex Power Cord
  170. EgglestonWorks Nine Signature Loudspeakers
  171. Light Harmonic LightSpeed USB Cable
  172. David Berning Company ZH-230 Stereo Amplifier
  173. Esoteric Master Sound Works C-02 Preamplifier
  174. Vivid Audio Oval V1.5 Loudspeakers
  175. Daedalus Audio Argos v.2 Loudspeakers
  176. Octave Audio V 70 SE Integrated Amplifier
  177. KR Audio VA910 Mono Amplifiers
  178. T+A Criterion TCD 110 S Loudspeakers
  179. Birch Acoustics Raven Loudspeakers
  180. Monitor Audio Platinum PL200 Loudspeakers
  181. Essential Sound Products Essence Reference-II Power Cords and Reference-II Power Distributor
  182. JE Audio Dyad S400 Stereo Amplifier
  183. Dynamique Audio Celestial Speaker Cables, Zenith Interconnects, Firelight USB, and Infinite Power Cables
  184. Music Culture Elegance MC 501A CD Player-DAC
  185. KR Audio VA340 Mk.II Integrated Amplifier
  186. PMC IB2i Loudspeakers
  187. Cabasse Pacific 3 Loudspeakers
  188. Sonus Faber Venere 3.0 Loudspeakers
  189. Hegel Music Systems HD25 Digital-to-Analog Converter
  190. EMM Labs DAC2X Digital-to-Analog Converter
  191. Esoteric P-02 SACD/CD Transport and D-02 Digital-to-Analog Converter
  192. Vivid Audio Giya G3 Loudspeakers
  193. PBN Audio Scan-Speak B741 Loudspeakers
  194. Blue Circle Audio BC109 Preamplifier
  195. Dynaudio Confidence C2 Signature Loudspeakers
  196. First Watt J2 Stereo Amplifier
  197. Simaudio Moon Evolution 810LP Phono Stage
  198. Boulder Amplifiers 1060 Stereo Amplifier
  199. SMc Audio VRE-1C Reference Preamplifier
  200. Blue Circle Audio NSL Stereo Amplifier
  201. Audio Research Reference 250 Mono Amplifiers
  202. Von Schweikert Audio VR-35 Export Deluxe Loudspeakers
  203. Vitus Audio Signature SM-010 Mono Amplifiers
  204. YG Acoustics Kipod II Signature Loudspeakers
  205. Vandersteen Audio Treo Loudspeakers
  206. Magico Q1 Loudspeakers
  207. Hemingway Audio Prime Reference Mk.II Speaker Cables, Interconnects, and Power Cords
  208. Synergistic Research Element Copper, Tungsten, and Copper-Tungsten-Silver Interconnects and Speaker Cables
  209. Crystal Cable Arabesque Mini Loudspeakers
  210. EgglestonWorks Fontaine Signature Loudspeakers
  211. AudioQuest Diamond and Carbon FireWire 800 Cables
  212. Artos Audio Sunrise Loudspeakers
  213. Esoteric I-03 Integrated Amplifier
  214. NuForce DAC-9 Digital-to-Analog Converter
  215. Audience adeptResponse aR6-TS Power Conditioner
  216. EAR MC 4 Step-Up Transformer
  217. PBN Audio Montana InnerChoic Liberty Loudspeakers
  218. Simple Design Sonore Music Server
  219. Herron Audio VTSP-3A Preamplifier
  220. Copland CDA825 CD Player
  221. TW-Acustic Raven 10.5 Tonearm
  222. Artisan Silver MC Phono Stage
  223. MSB Technology Universal Media Transport
  224. Well Tempered Lab Amadeus Turntable
  225. Purity Audio Design Purity Reference Preamplifier
  226. Silverline Audio Sonatina Mk.IV Loudspeakers
  227. Ayre Acoustics DX-5 Universal A/V Engine
  228. Coda Technologies 15.0 Stereo Amplifier
  229. LessLoss Firewall Power Conditioner and DFPC Signature Power Cable
  230. Miyajima Laboratory Premium BE Mono Cartridge
  231. Magnum Dynalab MD 309 Integrated Amplifier
  232. Audio Research Reference 5 Preamplifier
  233. VAC Phi 200 Stereo Amplifier
  234. Ortofon Cadenza Mono Phono Cartridge
  235. Ultrasone Edition 8 Headphones
  236. YG Acoustics Carmel Loudspeakers
  237. Atma-Sphere Music Amplifier M-60 Mk.3.1 Mono Amplifiers
  238. AudioPrism Ground Control Grounding Cables
  239. Nordost Norse Frey Interconnects and Speaker Cables
  240. Ayre Acoustics KX-R Preamplifier and MX-R Mono Amplifiers
  241. Raysonic SP-300 Integrated Amplifier
  242. Synergistic Research Galileo Universal Interconnect and Speaker Cells, and Mini Power Couplers
  243. VAC Renaissance Mk.3 Preamplifier
  244. Accustic Arts Reference Tube-DAC II SE DAC and Reference Drive II CD Transport
  245. Silent Running Audio VR fp isoBASE Equipment Platforms
  246. EAR 890 Stereo Amplifier

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210x600 T+A R Criterion S (20240601)
Dynaudio Contour 20BE
Simaudio Compass 371
Simaudio Compass 371
Vitus Audio
Vitus Audio

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