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Maria Schneider & Dawn Upshaw, Winter Morning Walks (ArtistShare).
Darcy James Argue & Secret Society, Brooklyn Babylon (New Amsterdam).
Marc Cary, For the Love of Abbey (Motema…
System Audio originated in 1984, when guitarist and electronics technician Ole Witthoft grew dissatisfied with the lack of realism he heard from most home audio systems and figured he could do better. He built some…
Description: Two-way, twin-ported, 4-chamber Chebychev-aligned loudspeaker. Driver complement: one System Audio "SpeedStar 2000" double-magnet 1" fabric-dome tweeter; two 5" System Audio "BIG 15" bass/midrange drivers. Crossover frequency: 3.3kHz. Crossover slopes: 18dB/octave. Frequency response: 35Hz–30kHz, ±4dB. Nominal impedance: 4 ohms. Sensitivity: 90dB/W/m. Power handling: 170W. Minimum recommended amplifier power: 50W.
Dimensions: 44" (1102mm) H by 13.5" (275mm) D by 6.75" (170mm) W. Weight: 35 lbs (16 kg).
Finishes: matched rosewood, cherry,…
Sources: PS Audio Lambda 2 CD transport, Threshold T-1D DAC, RadioShack CD3400 CD player, Marantz CC-48 CD changer, Marantz DVD810 DVD player, Randy Tomlinson–modified JVC XLZ-1010TN CD player, McIntosh MR-78 tuner.
Preamplifiers: Audio Research SP14, Threshold T3i, Chase Technologies RLC-1, Sumo Athena.
Power Amplifiers: Dynaco Stereo 70, Sumo Andromeda, Threshold T-100.
Cables and interconnects: Kimber Silver Streak/8TC, Straight Wire Rhapsody, Transparent MusicLink Plus, Nordost SPM.—;Barry Willis
The floorstanding 1070 was sensitive, at an estimated 89dB(B)/2.83V/m. However, with an impedance plot (fig.1) that dropped to just below 4 ohms in the middle of the midrange, it will need to be driven by a good solid-state amplifier or a tube amplifier with a generously specified 4-ohm output tap. The saddle in the impedance trace at 45Hz indicates the tuning of the twin ports, this usually equivalent to a speaker's anechoic –6dB frequency.
Fig.1 System Audio 1070, electrical impedance (solid) and phase (dashed) (2 ohms/vertical div.).
As…
Emerging from…
In my review of Audience's new Au24 SE interconnect in the December 2013 issue, a miscommunication with Audience's president, John McDonald, led me to report that their RCA-fitted Au24 interconnect, in either its Au24 e or SE configuration, is identical to the corresponding version of Audience's Low-Z phono cable; and that the High-Z phono cable is the same as Audience's Au24 e speaker cable. In fact, the opposite is true: It's the High-Z phono cable that's identical to the interconnects, and the Low-Z version, which is what I was sent, that'…
Description: RCA-terminated interconnect cable.
Serial numbers of units reviewed: NA.
Price: $1190/1m pair; upgrade from Au24e to Au24 SE, $220/1m pair. Approximate number of US dealers: 110.
Manufacturer: Audience, LLC, 120 N. Pacific Street #K9, San Marcos, CA 92069. Tel: (800) 565-4390. Fax: (760) 471-0282. Web: www.audience-av.com.