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Large DCM Time Frame Transmission-line Speakers - $450 (Eugene)
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Manufactured in Ann Arbor, Michigan 1993
* Note: I have 2 pair; One pair Natural Oak, and one pair Gloss black
Both pair in superb condition
The TF 600's were among the last and most refined models in DCM's Time Frame series
Mirror Imaged / Rear Ported / Staggered Transmission Line speakers
The Time Frame 600's were used as his high-end REFERENCE STANDARD for evaluating speaker performance by Julian Hirsch
* Julian Hirsch first tested equipment for Popular Electronics...
* In October 1961, for Hi-Fi/Stereo Review, which was later "Stereo Review"
He also began writing the monthly column "Technical Talk." Hirsch estimated that he wrote about 4,000 laboratory test reports for various publications, 2,400 of those at Stereo Review, by the time he retired in 1998
Original High-end design by Steve Eberbach
(M.I.T. / NASA / World-class Audio Engineer / Designer)
Hand built in Ann Arbor, Michigan, USA
Beautiful furniture quality "post-modern art" cabinets
Solid oak accents top and bottom
Drivers per cabinet:
Dual 6 1/2" high performance VIFA (made in Denmark) polypropylene woofers with Butyl surrounds
Three 3/4" dome tweeters (one coaxially mounted in front and two rear reflecting)
Transmission-line port for extended low frequencies
Specifications
Recommended Amplifier Power: 10 watts minimum
250 watts Maximum average (RMS)
Frequency Range: Below 30Hz to 20kHz
Sensitivity: 92 dB / 1 watt / 1 meter
Impedance: 6 ohms nominal
Dimensions: 41 1/2" tall, by 15" wide, by 8" deep (5" at tapered top)
Weight: 47 Lbs.
Patented ACOUSTICS DESIGNS:
"Open sound-stage" stereo imaging
Staggered Transmission-line bass extension
Proprietary Anti-diffraction Acoustic Lens System
Time & Phase Equalized Crossover
Dimensions: 41" Tall x 17" Wide x 8 1/2" Deep (5 1/2" at tapered top)
Weight: 40 lbs.
* Truly outstanding speakers
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