Room 325 brought the PrimaryControl Kinea II turntable ($24,995) with the same company's Field Coil Loaded tonearm ($34,995). SUT and phono stage were by Cinnamon Galle ($8250 and $32,995, respectively. The cartridge was a Fuuga MC ($10,995).
A SW1X Audio Design provided amplification: PRE V Signature line stage ($83,041, a US debut) and SW1X Audio Design MPA V Special power amps ($37,836/each). Those…
Kevin Hayes of VAC provided the amplification, specifically his Master Preamplifier ($30,000) and Master 300 iQ monoblocks ($44,000 each), which drove the Symphorias. Cardas Clear Beyond wired the whole system. Room attendees were graced with the presence of Anne Bisson, who sand along with her own tracks on the Gershman/VAC system.
The made-in-Canada Symphoria features dual 8"…
The Luxe T1 is 6" deep, 13" wide, and 51" high. Its three-way active design includes a tweeter and midrange with four small elliptical bass drivers stationed on both sides. The speaker is tri-amplified and uses DSP and an active crossover. The speaker's lovely cabinet is handmade in standard or custom wood finishes. Prices begin at $27,000/pair.…
In the Lincoln room, an Innuos music server served as a source for a Thrax Enyo integrated amplifier ($24,500), which drove Thrax Lyra SE bookshelf speakers ($31,500/pair) and a matching Hades passive subwoofer ($20,000). Cables: Albedo Silver, including a Gravity II power cord ($11,750/2m), Monolith Reference speaker ($6950/2.5m pair), USB ($1900/2m), and a Reference Jumper ($1300).
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What you see
The 330M's impressive array of 10 tubes is clearly visible through either its transparent glass front plate, on which an update of its classic watt meter appears in white, and through its open top. Because the fully balanced amp does not use heavy toroidal transformers, it weighs far less than you might expect for a component that's 19" wide, 10.25" high, and 21.5" deep. Most of its 101 lb resides in the rear. Handles on the front and rear panels make the 330M easier to lift than many other amps its size and weight.
Below the front meter and logo is a horizontal…
I measured one of the DeVore Fidelity Gibbon Super Nines that had been auditioned by KM; it had the serial number S915B112. I used DRA Labs' MLSSA system and a calibrated DPA 4006 microphone with an Earthworks microphone preamplifier for the farfield frequency behavior and dispersion measurements. I used an Earthworks QTC-40 mike for the nearfield responses and Dayton Audio's DATS V2 system to measure the impedance magnitude and electrical phase angle.
I performed a complete set of measurements on one of the Audio Research Reference 330M amplifiers (serial number 056438) with my Audio Precision SYS2722. The amplifier preserved absolute polarity, ie, was noninverting, with the balanced input and the 8 ohm and 4 ohm output transformer binding posts. However, the 330M inverted polarity with the single-ended input. The gain is specified as 26.3dB with the balanced input and 34dB with the single-ended input, both into 8 ohms. I measured 26.5dB and 32.5dB, respectively, into 8 ohms from the 8 ohm output tap. The gains…
Digital sources: dCS Vareèse five-piece music system, dCS Rossini CD/SACD transport; EMM Labs DV2i DAC, Meitner MA3 Integrated DAC; Innuos Nazaré Music Server and PhoenixNET network switch; Small Green Computer Sonore opticalModule Deluxe (2); Broadcom/Avago AFBR-5718PZ 1GB SX-SFP, Gen 5 Fiber Optic modules (2); Nordost QSource linear power supply (2); Sonore Audiophile Linear Power Supply; Synology 5-bay 1019+ NAS with Ferrum Hypsos linear/switching hybrid power supply; ASUS AX6000 and RT-AX88U Pro mesh routers and Netgear Nighthawk modem; Apple 2023 iPad…