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The amplification was either a Mark Levinson No.25/No.26 preamplifier combination or an Audio Research SP14 driving my 1986-vintage Krell KSA-50.
Speaker cable was 15' lengths of AudioQuest Clear Hyperlitz, doubled-up for biwiring, while interconnects were 1m lengths of AudioQuest LiveWire Lapis connecting CD player to preamp, and preamp to power amplifier (1m lengths of Magnan V—an excellent cable—also served). Six-foot lengths of Madrigal unbalanced HPC connected the No.25 to the No.26. Source components consisted of a Revox A77 to play my own and…
I use a mixture of nearfield, in-room, and quasi-anechoic FFT techniques to investigate possible objective factors that might explain the sound heard (footnote 1).
As the Amrita MiniMonitor features first-order crossover filters, which can be time-coherent in behavior, I investigated the speaker's response to a 25µs rectangular pulse (fig.1). Fig.2 shows the manner in which this pulse shape is modified by the Amrita when the measuring microphone is on the tweeter axis, plotted over a 5ms window. The drivers appear to be connected in phase, but the up/down…
Description: Two-way, reflex-loaded, stand-mounted loudspeaker. Drive-units: 1" soft-dome tweeter, two 8" plastic-cone woofers in compound configuration. Crossover frequency: 3.6kHz. Crossover slopes: Front woofer: first-order; Rear woofer: second-order; 6dB/octave. Frequency response: 35Hz–32kHz –3dB. Sensitivity: 92dB/W/m, Nominal. Nominal impedance: 4 ohms. Amplifier requirements: 30–350W. Maximum SPL: 110dB "Full Music Power Spectrum."
Dimensions: 17.125" H by 11.25" W by 11.5" D. Weight: 35 lbs each.
Price: $875/pair (1989); no longer available (…
I was immediately impressed with the sound of the Comet/Special combination. When Tete Montoliu ripped into the changes on John Coltrane's "Giant Steps" on Montoliu's 1976 album Tete! (Inner City IC 2029), it was clear that the Comet could not only keep a beat, it could easily convey the emotion—all the fire and passion—in this underrated musician's performance. The recording is closed-in and up-front, putting you on stage with the musicians. That's where the Comet/Special combo put you. You could hear three musicians hard at work with all the attendant extraneous noises. On a…
My reference system is not what I'd expect the prospective Comet purchaser to own. Much to its credit, however, the Comet was not intimidated by the lofty components with which it shared shelf space. In fact, it acquitted itself quite well (more about that later). The phono signal from my reference turntable—a Well-Tempered Turntable sporting the new Black Damped Platter, with a Roksan Shiraz MC cartridge strapped to the arm—is handled by Counterpoint's impressive, two-chassis SA-9 Isolinear Phono Equalizer. Since the SA-9 has inputs for both MM and MC cartridges, it…
Description: Two-speed (331/3, 45rpm) belt-drive analog turntable with fixed LMT-II tonearm and dustcover. Wow and flutter: less than 0.1% (DIN 45-507). Rumble: less than –65dB unweighted (rel. 10cm/s at 1kHz).
Dimensions: 6¼" H by 18¼" W by 14¼" D. Weight: 26 lbs.
Price: $599. Options: Reflex Clamp, $150. (1993); no longer available (2017). Approximate number of dealers: 80.
Manufacturer: SOTA Industries, Lemont, IL 60439 (1993). SOTA Sales and Service Center, 436 E. Locust Street, DeKalb, IL 60115 (2017). Tel: (800) 772-SOTA or (608) 538-3500. Fax…
To attend the…