Same with the other matched pair, but here the dominant tube was gassy (sputtering blue light in the bottle) and began sending spitchy high-frequency bursts through the Eurythmies. Everything sounds just correct. In a word, magic. Now I smell teen spirit! At this point, even Jimi Hendrix would consider us experiencedif not quite in a Purple Haze. Most of the time. I'll quote from a spec sheet on the Jadis parallel single-ended triode amplifiers prepared by Jean-Paul Caffi. They created a large soundstage; had good timing, rhythmic pace, and great bass; and sounded fast. They sounded a little too cleanmusic seemed robbed of its emotional content. The tube sockets are slightly recessed, held in place by a short pair of bolts that terminate with a nut on the top chassis. According to Jay Rein of Bluebird Music, the company that distributes Jadis in North America, the Orchestra Black is specially made for … I got on the horn (!) We tried many different speaker cables with these little beauties, and eventually settled upon one that was perfect matched in every waythe Alpha-Core Goertz MI Ag silver ribbon cables. "The SE300B supplies a power of 10W RMS and functions in pure class-A with single-ended mounting (the two tubes are in parallel) with an automatic bias [(footnote 1)]. These Ever-Suave (apologies to ManleyClan) 300Bs became the reference output tubes for the review. As I have always found with Golden Dragons of whatever type, they were exciting, dynamic, but slightly bleached and white-sounding throughout the frequency range. One pair fell way out of balance, one tube nearly burning itself up while the other sat practically dormant, its filament barely lit.
One was the Jadis Orchestra Reference MkII integrated amplifier ($4795), which I reviewed about five years ago. (These were egg-cup style 5R4s, with a large solid base that extended up part of the way around the glass envelope.)
Two years later, I was offered the chance to write about a different Jadis integrated: the considerably less expensive Orchestra Reference Mk.II ($4795). Interestingly, Gordon mentioned that the Sylvanias work much better than NOS GEs with Hovland caps, so once again, be aware that everything in-circuit can make a difference. Gordon had sent a pair of his favored Sylvania 6SN7s, along with Tung-Sols, NOS (New Old Stock) red-base GEs, Golden Dragon 6SN7GTs, and very unusual looking 6SN7GTYs from the British Valve Electronic Company, whose glass-bottle interiors were coated in black. The ESTi 4300s went south of the border almost immediately. I remember some of the reviews of the early JA-200 that appeared in the print journals of the period. In addition, there were two input 6SN7s not marked for origin or brand name.
Like the vast majority of … No editorializing whatsoever, aside from a certain lightness to the deep bass than could be corrected with the crossover adjustment. The Jadis amplifiers were delivered with a quartet of matched ESTi 4300BLX tubes (evidently from the same Chinese factory that churns out the Golden Dragon BLX.) A surprise package arrived soon after from what must be the nicest guy in audio, Wavelength's Gordon Rankin. Victor Goldstein, VAIC's importer, was somewhat crestfallen.
The Tung-Sols were a pleasant taste o' Olde Tyme Tube Sound, much lushfullness, not terribly transparent, and not very dynamic or extended. And before I cancel myself out, how about let's getting to the sound! Jadis SE300B: the Technical View Quiet, full-bodied, apparent DC-to-light extension, extreme high resolution, wonderful spatial qualities, these cables let the Jadis amplifiers be all they might.
Ultimate Handcrafted Tube Amplifiers.
They were indeed wide-band and vivid, extended, clear, and spatial, and did great bass, but they proved a shade uninvolving and "hi-fi" like. Using the Eurythmie speakers, which supplanted the 3As in our system, we've listened to Gordon Rankin's Wavelength Cardinal XS monos, the Kondo-san Audio Note Kasai parallel 300B stereo amplifier (next SE review to come), the ebullient and eager-to-please Cary 301SE 300B stereo unit, and the Jadis single-ended triodes, as well as our reference Jadis JA200s (yes, Jadis also does push-pull). "Yup, these are the ones!"
The Sylvanias, which I expected from Gordon's experience to sound the best, didn't. Behind are "ignited" the two 300Bs, and a single 6SN7 at center chassis rear, flanked by another pair of caps. They proved fatiguing over the long hauljust too thin in the end. Working front to back on the elegant nonmagnetic highly polished stainless-steel chassis, you'll find an On/Off switch on the front apron with a green LED signaling "power on." Kathleen and I, having flung ourselves into single-ended's embrace, have become, to some fashion, quite experienced. The filament voltage is very finely regulated. The Jadis SE300B: the Long View The Jadis I-35 ($7995) is a true integrated amplifier, inasmuch as it incorporates both a stereo power amplifier and an active stereo preamplifier—the latter instead of a mere passive line stage.
Out, out, damned spot! The output stage is powered at 320V, which allows the tubes to work in the best conditions. I haven't paraphrased his words very much, as I found the charm and humor inherent in his Technical Franglais to be without peer in communicating the concepts behind them. (For the hoopy-scoopy on these tubes, see my "Brace of Bs" sidebar). The Jadis delivered those tiny details with truly stupefying fidelity, at a level that I would hitherto never have credited to an integrated amplifier.
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