When I push one of the Blackbird's three speed buttons, to select 78, 45, or 331/3rpm, the annoying light goes out—but I then have to move the tiddledywink to…

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My Sonic Lab Ultra Eminent Ex cartridge
One quiet midsummer morning, sunlight was penetrating the slots of my bamboo shades, casting thin ribbons of light across my room—a magic Koetsu black-disc morning. I'd just finished dreaming through both sides of the Reynaldo Hahn LP with the Koetsu in the Feickert Blackbird when suddenly I got the urge to switch from…
Dr. Feickert Analogue, Stegenbachstrasse 25b, 79232 March-Buchheim, Germany. Tel: (49) 76-65-94-13-718. Fax: (49) 76-65-94-13-725. Web: www.feickert.org
Koetsu, Web: www.koetsuaudio.com
My Sonic Lab, Web: www.mysonic lab.com.
US distributor for all: MoFi Distribution. Web: www.mofidistribution.com
Not surprisingly, Vlad worships Mikhail Glinka. "Herb! Play Russlan and Ludmilla!" When he asks for "Pyotr Ilyich," I groan and quietly put the vodka back in the freezer.
A week ago, after an intense back-and-forth about Stravinsky, Leonard Bernstein, Sergei Diaghilev, and the Ballets Russes, I persuaded Vlad to perform a blind comparison of two fairly…
Description: Class-AB1 stereo tubed integrated amplifier. Tube complement: two 6922 (input buffer/preamp), two 6SN7 (pre-driver/phase inverter), four KT150 (output operated in push-pull Ultralinear mode). Inputs: 4 pairs single-ended (RCA). Outputs: 1 pair line-level subwoofer (RCA), 2 pairs five-way speaker binding posts, ¼" headphone jack. Power output: 100Wpc into 8 ohms (20dBW). Maximum gain: 34dB. Frequency response: 19Hz–23kHz, ±0.5dB. Input impedance: 100k ohms. Sensitivity: 450mV RMS.
Dimensions: 17.25" (440mm) W by 7.8" (200mm) H by 16" (405mm) D.…
Analog Sources: Dr. Feickert Analogue Blackbird turntable with Jelco KT-850L tonearm, AMG Giro G9 turntable & 9W Turbo tonearm, Linn Sondek LP12 Hercules turntable with SME M2-9 tonearm; AMG Teatro, EMT TSD 75, Etsuro Urushi Cobalt Blue, Hana SL, Koetsu Rosewood Standard & Signature Platinum, My Sonic Lab Ultra Eminent Ex cartridges.
Digital Sources: Mac mini computer running Audirvana+ 3.2; JVC X-Z1010 CD player (transport only); HoloAudio Spring "Kitsuné Tuned Edition" Level 3, Mytek Brooklyn, Schiit Audio Yggdrasil Analog 2 DACs.
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I measured the Cary SLI-100 amplifier using my Audio Precision SYS2722 system (see the January 2008 "As We See It"). Before doing so, I installed all the tubes, following the guide in the excellent manual, and checked the bias current for the KT150 output tubes. Each channel measured close to the recommended 75mA. I ran a 1kHz tone through the amplifier at 1Wpc into 8 ohms, then rechecked the bias before starting the testing. I checked the bias currents several times while performing the measurements, but neither channel had drifted by more than a few milliamps. I…
This relatively affordable, high-sensitivity, two-way floorstanding loudspeaker has been a firm favorite with Stereophile's writers since Sam Tellig reviewed it in January 2014. Herb Reichert wrote Follow-Ups in December 2015 and July 2016, as did Art Dudley in May 2018. Ken Micallef also uses a pair of O/93s, and the DeVore was a finalist in our 2016 and 2018 Loudspeaker of the Year categories. (The Orangutan O/93 costs $8400/pair; DeVore Fidelity's larger Orangutan O/96, which costs $12,000/pair, was one of our Joint Loudspeakers of…