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The output impedance of the Passage preamplifier at its main outputs measured a highish 912 ohms at any volume control setting. The input impedance measured just over 27k ohms (left channel, slightly lower in the right) at full volume, increasing to just over 37k ohms in the 9 o'clock position of the volume control. The output impedance of the tape outputs measured about 47.4 ohms with either a 25 ohm or 600 ohm source, indicating that these outputs are buffered. Unity gain was at 2 o'clock on the volume control; the maximum gain of the preamp was 37.7dB. DC…
Description: Tubed, line-level preamp. Tube complement: two 12AU7A (ECC82) twin triodes, one 12AX7A. Frequency response: 20Hz–20kHz, ±0.2dB. Channel separation: >80dB at 1kHz. Total harmonic distortion: 0.05% maximum.
Dimensions: 16" W by 12.5" D by 3.75" H. Weight: 10 lbs.
Serial number of sample tested: 10154.
Price: $995 (1992); no longer available (2017). Approximate number of dealers: 28.
Manufacturer: TARA Labs, Inc., Ashland, OR 97520 (1992); 716 Rossanley Drive, Medford, OR 97501 (2017). Tel: (541) 488-6465. Fax: (541) 245-9119. Web:…
Every added feature means that the audio signal must go through additional wires, plugs, switch…
Mobile Fidelity MFSL 1-505 (LP).
This is a very hyped, contrived recording, but then nobody ever pretended that this kind of musical construction was supposed to approximate the sound of a live performance. The strings are quite steely on this but, in all other respects, the recording is is stupendous—unctuously rich, smooth and limpidly clear, with some awesomely taut low end and cuttingly crisp percussion sounds.
Much of the program draws from African and Haitian sources, and I must say I found some of the maddeningly repetitive passage to…
Like Nottingham's designer, the late Tom Fletcher, Jon Palmer believes that effectively spinning a turntable platter—particularly a heavy one like the Palmer's 21-pounder of aluminum alloy—requires less torque, not more. Flip the switch on the back of the 2.5's standalone…
The words right and wrong and good and bad make me uncomfortable. Assigning virtue or value is against my religion. And thinking that I know the best way to design a loudspeaker, amplifier, or record player would only prove that I'm a conceited old fool. Therefore . . .
When I feel the urge to upgrade my analog pleasures, I keep an open mind and endeavor to shop outside my comfort zone. And, because I can, I consult with me ol' runnin' buddy Michael Trei, contributing editor to Sound & Vision, and…
Palmer Audio 2.5: Belt-drive, two-speed turntable with separate power supply.
Dimensions: 18.9" W by 7.5" H by 13.8" D. Weight: about 44 lbs.
Price: $7995 (2014), $8990 (2017).
Manufacturer: Palmer Audio. Web: www.palmeraudio.co.uk. US distributor: Fidelis Home Audio, 460 Amherst Street (Route 101A), Nashua, NH 03063. Tel: (603) 880-4434. Fax: (603) 880-4433. Web: www.fidelisav.com.
Audio Origami PU7: Tonearm available in 9" and 12" versions.
Price: $3000.
Manufacturer: Audio Origami. Web: www.audioorigami.co.uk. US distributor:…
It was interesting to see how small and…
And then there's the Rolling Stones.
If you can put aside the fact that what was once a rock 'n' roll band has now grown…