久しぶりに、
アーキュフェイズの、大推薦、超べた褒め、レヴューです。
Accuphase A-300 モノアンプ
”Class A ” （このマガジンでの、最高得点）
ご推薦 コンポーネントのリストの一員です。
Specifications
Description: Solid state, class-A (into 8 ohms) mono power amplifier. Inputs: one each balanced (XLR), single-ended (RCA). Output: 2 pairs loudspeaker binding posts per channel, RCA and XLR outputs for bridging and biamping. Rated output power: 125W into 8 ohms, 250W into 4 ohms, 500W into 2 ohms, 1000W into 1 ohm (all 21dBW). Frequency response: 20Hz–20kHz (+0, –0.2dB) at full rated power; 0.5Hz–160kHz (+0, –3dB) at 1W. Input impedance: 40k ohms balanced; 20k ohms single-ended. Signal/noise ratio (A-weighted, input shorted): 130dB with Gain switch set to MAX, 135dB with gain switch set to –12dB. Guaranteed output noise voltage: 10µV. THD (20Hz–20kHz, 4–16 ohm load): 0.03%. Distortion: 0.01%. Damping factor: 1000 or greater. Gain: 28dB, 25dB, 22dB, 16dB. Input sensitivity: 1.26V for full rated output, 0.11V for 1W output. Standby power consumption: 230W, 0.3W in Eco Mode.
Dimensions: 18.31" (465mm) W × 20.28" (515mm) D × 9.45" (240mm) H. Weight: 101.5lb (46kg); shipping weight: 122lb (55kg).
Finish: Gold faceplate on black housing.
Serial numbers of units reviewed: L2Y187, L2Y188. Designed and built in Japan.
Price: $51,900/pair. （7７0万円、ペアーで）
Approximate number of US dealers: 22. Warranty: 3 years, parts and labor.
Manufacturer: Accuphase Laboratory Inc., 2-14-10 Shin-ishikawa, Aobaku Yokohama 225-8508, Japan. Tel: +81 45 901 2770. Web: accuphase.com. US distributor: AXISS Audio USA, 2190 Nolensville Pike, Suite C, Nashville, TN 37211. Tel: (615) 419-1522. Email: sales@axissaudio.com. Web: axissaudio.com.
レヴューワーさんの、機器です。
Associated Equipment
Digital sources: dCS Vivaldi Apex DAC, Vivaldi Upsampler Plus, Vivaldi Master Clock; Innuos Statement Next-Gen Music Server; Small Green Computer Sonore Deluxe opticalModule; Uptone Audio EtherRegen with SOtM sCLK-OCX10 Master Clock and sPS-500 power supply; Nordost QSource linear power supplies (2); HDPlex 300 linear power supply; Synology 5-bay 1019+ NAS powered by Ferrum Hypsos linear/switching hybrid power supply; Linksys mesh router and Arris modem; 2017 Apple iPad Pro, 2017 MacBook Pro laptop with 2.8GHz Intel i7, SSD, 16GB RAM.
Preamplifier: Dan D'Agostino Momentum HD.
Power amplifiers: Dan D'Agostino Momentum M400 MxV monoblocks.
Loudspeakers: Wilson Audio Specialties Alexia V and LoKe subwoofers.
Cables: Digital: Nordost Odin 1, Odin 2, and Valhalla 2 (USB and Ethernet), Frey 2 (USB adapter); AudioQuest WEL Signature; Wireworld Platinum Starlight Cat8 (Ethernet), OM1 62.5/125 multimode duplex (fiberoptic). Interconnect (XLR): Nordost Odin 2 and Blue Heaven subwoofer, AudioQuest Dragon, Canare (subwoofers). Speaker: Nordost Odin 2, AudioQuest Dragon. AC: Nordost Odin 2, Valhalla 2, Valhalla 1; AudioQuest Dragon and Firebird. Umbilical cords: Ghent Audio Canare on HDPlex 300 LPS and NAS; QSource Premium DC cables with Lemo terminations for QSources; SOtM sPS-500 umbilical cable for SOtM Master clock.
Accessories: Grand Prix Monza 8-shelf double rack and amp stands, 1.5" Formula platform; Symposium Ultra Platform; Nordost 20-amp QB8 Mark III, QKore 1 and 6; Titanium and Bronze Sort Kones, Sort Lifts; Stromtank S 2500 Quantum MK II power generator; AudioQuest Niagara 7000 and Niagara 5000 power conditioners, NRG Edison outlets, JitterBugs; ADD-Powr Sorcer X4; Environmental Potentials EP2050EE surge protector/filter; Wilson Audio Pedestals; A/V RoomService Polyflex Diffusers; Resolution Acoustics room treatment; Stillpoints Clouds (8); HRS DPX-14545 Damping Plates; Marigo Aida CD mat.
Listening room: 20' L × 16' W × 9'4" H.—Jason Victor Serinus