Description: D/A processor with four selectable oversampling algorithms for PCM playback (FIR kurz, FIR lang, Bézier, Bézier/IIR) and DSD Direct DSD Signal Path via T+A True 1-bit converter. Analog outputs: high level (RCA), 2.5V with 22 ohms output impedance; balanced (XLR), 5.0V with 44 ohms output impedance. Digital inputs: 4 S/PDIF coaxial, 1 optical TosLink, 1 AES/EBU, all handling 16/24-bit data at sample rates from 32kHz to 192kHz;1 USB (Device mode) USB Class 2 Mode; support for asynchronous data transfer; PCM Mode, 16/24/32-bit data with sample rates…
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Digital Sources: Apple MacBook Pro computer (2.66GHz Intel Core 2 Duo, 8GB RAM, 512GB SSD) running OS 10.11.5, Roon v.1.2 Build 142, JRiver Media Center 19, iTunes 12, Amarra Computer Music Player, VLC, Reaper 5.20.100, XLD; Western Digital NAS device (2TB); Oppo BDP-103 universal BD player; Meridian Sooloos Control 15 & QNAP TS-669 Pro NAS; Apple iPad Air & iPhone 6; Benchmark DAC1 USB & DAC2 HGC DACs, Ayre Acoustics QB-9DSD & Codex digital processors; AudioQuest DragonFly USB DAC.
Preamplifier: Marantz AV7005 in Pure Direct Mode.
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I measured the T+A DAC 8 DSD with my Audio Precision SYS2722 system (see the January 2008 "As We See It"). Sources were either digital signals fed via AES/EBU or TosLink from the SYS2722, or WAV and AIFF test-tone files played with Pure Music 3.0 on my MacBook Pro running on battery power and fed via USB. Apple's USB Prober utility identified the processor as the "DAC 8 DSD HD-AUDIO" from "T+A ELEKTROAKUSTIK," and confirmed that the T+A's USB input operated in the optimal isochronous asynchronous mode. The AES/EBU and S/PDIF inputs accepted data sampled at up to…
We must admit at this juncture that we have a certain, somewhat irrational tendency to be…
Description: Two-speed, all-tube, solenoid-operated, two-channel open-reel tape recorder with built-in monophonic power amplifier and loudspeaker; three drive motors; DC hold-back braking; tape lifters; automatic safety shutoff. Speeds: 3¾ips and 7½ips, via dual-winding hysteresis-synchronous capstan motor. Wow & flutter: <0.1% at 7½ips; <0.15% at 3¾ips. Speed accuracy: Within ±0.3% of nominal. Reel capacity: Up to 1O½". Frequency response: 40Hz–18kHz, +2, –3dB at 7½ips; 40Hz–12kHz +2, –3dB at 3¾ips. S/N ratio (unweighted): 52dB at 7½ips; 50dB at 3¾ips.…
When I was José Cuervo young, I mocked belt-drive turntables, unipivot tonearms, and teetotalers. "You can't drink, dance, shoot up the bar, and play hot records wit no persnickety belt-drive or wobbly unipivot. You need a masculine, pro-fessional-quality direct-drive or rim-drive turntable with a sturdy a gimbal-bearing tonearm!"
It feels…
Roksan Audio, Jubilee Close, Townsend Lane, London NW9 8XD, England, UK. Tel: (44) (0)20-8900-6801 Web: www.roksan.co.uk. US distributor: Rutherford Audio, 12649 E. Caley Avenue #116, Centennial, CO 80111. Tel: (303) 872-6285. Web: www.rutherfordaudio.com
Focal-JMlab, 108 rue de l'avenir, 42353 La Talaudière cedex, France. Tel: (33) 04-77-43-57-00. Web: www.focal.com. US distributor: Focal North America, 9641-82 Avenue, Edmonton, Alberta T6C 0Z9, Canada. Tel: (888) 340-4403, (780) 439-3901. Web: www.focal.com/usa.
Tchaikovsky…
Just before I left Brooklyn, I discovered that I…