Country of Origin
Reviewer: Srajan Ebaen
Financial interests: click here
Main system: Sources: Retina 5K 27" iMac (4GHz quad-core with Turbo, 32GB RAM, 3TB FusionDrive, OSX Yosemite. iTunes 14.4), PureMusic 3.02, Audirvana 3, Qobuz, Tidal, Denafrips Terminator+ clock-synced to Gaia reclocker, Avatar CD transport, Soundaware D100Pro SD card transport; Preamp: Vinnie Rossi L2 Signature with Elrog ER50; Power amps: LinnenberG Liszt monos; Headamp: Kinki Studio; Phones: HifiMan Susvara; Loudspeakers: Audio Physic Codex; Cube Audio Nenuphar; Aurai Audio M1 [on loan]; Cables: Complete loom of Allnic Audio ZL; Power delivery: Vibex Granada/Alhambra on all source components, Vibex One 11R on amps, Furutech DPS-4.1 between wall and conditioners; Equipment rack: Artesanía Audio Exoteryc double-wide 3-tier with optional glass shelves, Exoteryc Krion and glass amp stands; Sundry accessories: Acoustic System resonators, LessLoss Firewall for loudspeakers, Furutech NCF Signal Boosters; Room: 4 x 6m with high gabled beam ceiling opening into 4 x 8m kitchen and 5 x 8m living room so no wall behind the listening chairs
2nd system: Source: Soundaware D300Ref SD transport; DAC: Denafrips Terminator; Preamp/filter: Passive Preamplifier icOn 4Pro SE w. custom 4th-order/40Hz hi-low pass; Amplifier: Crayon CFA-1.2; Loudspeakers: sound|kaos Vox 3awf, Zu Submission; Power delivery: Furutech GTO 2D NCF; Equipment rack: Hifistay Mythology Transform X-Frame [on extended loan]; Sundry accessories: Audioquest Fog Lifters; Furutech NFC Clear Lines; Room: ~4x6m
Desktop system: Source: HP Z230 work station Win7/64; USB bridge: Audiobyte Hydra X+; Headamp: COS Engineering H1; Phones: Final D-8000; Powered speakers: Fram Audio Midi 150
Upstairs headfi/speaker system: Source: Soundaware A280 SD transport; Integrated amplifiers: Schiit Jotunheim R, Bakoon AMP-13R; Phones: Raal-Requisite SR1a, Loudspeakers: Acelec Model 1
2-channel video system: Source: Oppo BDP-105; DAC: Kinki Studio; Preamp: Wyred4Sound STP-SE II; Power amp: Pass Labs XA-30.8; Loudspeakers: German Physiks HRS-120; Room: ~6x4m
Review component retail: $3'498/pr
Beauty and the beast? Natassja was the looker, Klaus the beast; at least in Aguirre the wrath of God and Nosferatu. I'm talking of the Kinski actors, father and daughter. If the earlier reviewed and awarded Kinki Studio EX-M7 stereo amp was the daughter, today's EX-B7 monos would be daddy. Or so I reasoned when asking myself not who's your daddy but who could be mine. Our LinnenberG Liszt monos have become unobtainium. At least for our main system I prefer things readers can still buy. Already the Kinki stereo had sonically matched them as virtual stand-in. I harbored no doubt. Though less than half their price, Mr. Ivan Liu's monos would comfortably eclipse the Liszt. Those could now serenade our neighboring video system. In one fell swoop, our sound would upgrade twice. Our kind of math. Reviewing things one bought could be a self-congratulatory backhander but readers know that writing about hifi is what I do. How could I welcome new amps into our digs and not review them? Don Lope de Aguirre said "that man is a head taller than me. That may change." I had no intentions of losing my head just yet.
Don Lope's madness of the Kinki monos is this dense block. It used to house twinned 300VA toroids sat upright cheek to cheek beneath the circuit board with gold-plated traces. The current version upgrades the dual transformers to a single beefier 750VA rating. It's all power supply. It drives 4 complimentary pairs of lateral Exicon Mosfets in a very conservatively rated 250w/8Ω output stage which mounts directly against the back plate.
Like our Liszt, this is an ultra-bandwidth DC-coupled design with a quoted ±3dB response of 0-2.5MHz. That means 200V/µs slew rates and rise times better than 300ns. Instantaneous power rates as 400Wrms into 8Ω. It's why despite class AB, max power consumption is 600 watts (30w idle). Input sensitivity is a reasonable 1.45Vrms. Preamps won't get too loud too quick. 8Ω damping factor is 2'500.
Twin toroid precursor version
Designed to be three-dimensionally compact, it all fits into 33x23x19cm DxWxH and weighs a manageable 17kg. I confess to subversive satisfaction that half of our main system turned Asian with a Denafrips Terminator Plus, Gaia and Avatar, Soundaware SD transport plus Kinki Studio headamp and monos. Other Western reviewers might prefer to drive domestic. Ireland is simply barren for hifi manufacture. And my motivators aren't patriotism or name recognition in the first place. I want the best performance for our euro as I imagine you might. Looking east so away from the euro can be a very good direction. It's also where the sun rises.
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