It's difficult to decide how to characterize the measured performance of products, such as AudioQuest's JitterBug, that don't operate directly on the analog signal. Yes, there exist USB bus analyzers—available from such companies as Tektronix—that Wavelength's Gordon Rankin, one of the JitterBug's designers (along with Garth Powell), uses. These can examine various issues affecting data transmission: data-packet errors, jitter, noise, etc. However, they cost tidy sums—too much for me to be able to justify to my paymasters that Stereophile buy one for use in a…

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AV Options. Tel: (847) 329-9549. Web: www.avoptions.com
Sundazed Music, PO Box 85, Coxsackie, NY 12051. Tel: (518) 731-6262. Fax: (518) 731-9492. Web: www.sundazed.com
Description: Two-speed, belt-driven turntable with pivoting tonearm. Motor: AC synchronous. Speeds: 331?3, 45rpm. Tonearm spindle-to-pivot distance: 295.6mm.
Dimensions: 20.6" (528mm) W by 7" (180mm) H by 16.3" (418mm) D . Weight: 101.2–121 lbs (46–55kg) depending on extras.
Finishes: Black, White, Black & White, Makassar & White, Makassar & Black
Serial number of unit reviewed: A14-11-031.
Prices: Triple X turntable, $5995; TA-1000 12" tonearm, $1995. AC-1 power-supply upgrade costs $250 when purchased with the Triple X, $350 when…
My father, Herb Senior—the Deacon—always said, "The fundamental nature of the universe is vibratory—everything we experience is just waves!" He explained that waves—possessing power, amplitude, and frequency—are the basic building blocks of our reality. The universe actually "works" and is "comprehensible" because these waves are not random, but organized into exponential intervals called…
Analog Sources: Garrard 301 turntable; EMT 997 tonearm; EMT OFD 15 & TSD 15 pickup heads; Denon DL-103, Miyajima Premium BE Mono II cartridges.
Digital Sources: Halide Designs DAC HD USB D/A converter; Apple iMac G5 computer running Audirvana Plus 1.5.12 playback software; Sony SCD-777ES SACD/CD player.
Preamplification: Hommage T2 step-up transformer, Shindo Masseto preamplifier.
Power Amplifiers: Shindo Corton-Charlemagne monoblocks, Shindo Haut-Brion.
Loudspeakers: Altec Valencia, DeVore Fidelity Orangutan O/96.
Cables: USB:…
Description: Modular integrated amplifier with remote control and optional individual modules for phono inputs, line inputs, digital inputs, volume control (switched resistor or autoformer), tubed line stage, headphone amplifier, and power amplifier. Inputs: 3 phono (MM, MC1, MC2, all RCA); 3 line (RCA); 3 digital (optical, BNC, USB). Outputs: headphone, balanced (XLR) or single-ended (¼" TRS); fixed RCA, variable RCA (2), rhodium-plated speaker terminals (L&R). Tube complement (Tubestage): two E88CC dual triodes. Power output: 25Wpc into 8 ohms (14dbW),…
Analog Sources: Acoustic Signature Wow XL turntable + TA-1000 tonearm, Thorens TD-124 turntable with Abis SA 1.2 tonearm; Ortofon 2M Black & CG 25 DI II, Shure SC35C, Soundsmith Carmen, Zu Audio DL-103 phono cartridges.
Digital Source: Onkyo Integra DPS 7.2 universal player; Puresound A-8000 CD player; Halide Design DAC HD and Line Magnetics LM-502CA D/A processors.
Preamplification: Intact Audio step-up transformer; April Sound GB-1, LFD LE, Schiit Audio Mani phono stages; April Sound BB1, Simaudio Moon Neo 350P preamplifiers.
Power…