The Grado's healthy output and relatively high internal…
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Description: Moving-iron phono cartridge. Stylus: elliptical diamond. Frequency range: 20Hz–60kHz. Output: 5mV. Compliance: 20cu. Channel separation: >35dB (1kHz). Internal resistance: 475 ohms. Recommended load: 47k ohms. Recommended downforce: 1.5gm.
Weight: 5.5gm.
Serial Number Of Unit Reviewed: none found.
Price: $220. Approximate number of dealers: 495.
Manufacturer: Grado Labs, 4614 Seventh Avenue, Brooklyn, NY 11220. Tel: (718) 435-5340. Web: www.gradolabs.com.
Analog Sources: Rega Planar 3 turntable & RB300 tonearm; Linn LP12 turntable, Naim Aro tonearm; Thorens TD-124 Mk.II turntable, EMT 997 tonearm; Denon DL-103, EMT OFD 25 & OFD 65, Ortofon SPU 90th Anniversary, Rega Exact, Shindo SPU cartridges.
Digital Sources: Sony SCD-777ES SACD/CD player, Wavelength Cosecant v3 USB DAC (with Apple iMac).
Preamplification: Auditorium 23 Hommage T1 step-up transformer, Shindo Masseto preamplifier.
Power Amplifiers: Shindo Corton-Charlemagne & Haut-Brion.
Loudspeakers: Audio Note AN-E/SPe HE.
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Description: Upsampling disc player with remote control, volume control, and 24-bit DACs running at a minimum rate of 352.8kHz. Plays CD audio discs and CD-R, CD-RW, DVD-R data media. File formats supported: WAV, AIFF, FLAC, MP3, OGG Vorbis, with sample rates up to 192kHz. Digital outputs: AES/EBU via XLR. Analog outputs: 2 pairs balanced (XLR). Display output: 640x480 VGA on 15-pin D connector. Inputs: Track data via Ethernet on RJ45. Volume-control range: 80dB in 1.0dB steps. Frequency response: 20Hz–100kHz, +0/–0.05dB (upper limit dependent on medium's sample…
Digital Sources: Ayre C-5xe & C-5xeMP universal players; Meridian 808i.2 CD player; Benchmark DAC 1 D/A converter; Logitech (Slim Devices) Transporter WiFi music player with Apple Mac mini for media storage; dCS 972 digital/digital converter.
Preamplifiers: Simaudio Moon Evolution P-7 & P-8, Parasound Halo JC2.
Power Amplifiers: Musical Fidelity 750k Supercharger monoblocks, Simaudio Moon Evolution W-7.
Loudspeakers: PSB Synchrony One, Revel Ultima Salon2.
Cables: Digital: Kimber Illuminations Orchid AES/EBU, Stereovox CV2 electrical S/…
I examined the measured behavior of the Boulder 1021 using the Audio Precision SYS2722 system (see www.ap.com and "As We See It" in the January 2008 issue), as well as, for some tests, our Audio Precision System One and the Miller Audio Research Jitter Analyzer. I used my regular CD-R of 16-bit test tones, as well as a data CD-R on which I had burned 24-bit/96kHz- or 192kHz-sampled WAV files of a subset of those test tones.
The Boulder's maximum output was to specification, at 4.06V RMS; this was the same with the output set to Fixed volume, or to…
On the other hand, Sennheiser wasn't going for subtle improvements in designing and building the HD800. After all, they'd already tried subtle when they introduced the HD650 as an…