lynn_olson
Responses from lynn_olson
| Audio Research Preamps vs. Conrad-Johnson preamps Audio Research and CJ use different tube lineups, which accounts for most of the sonic difference. You might prefer 6DJ8 vs 12AU7, which have very different distortion spectra. | |
| Spatial Audio Raven Preamp Hi, Theophile! I’ve written a lot of stuff over the last thirty years, both in print and many different Internet forums (going back to "rec.audio.high-end" in the days of the Arpanet). That’s when I was still at Tektronix in Beaverton, Oregon, an... | |
| Spatial Audio Raven Preamp Spatial is ramping up production; the units going out now are part of the first production run. As they make more, production processes will be streamlined, along with parts ordering (this is typical of all manufacturing, not just Spatial). | |
| Spatial Audio Raven Preamp Good questions to ask Spatial, who are building the preamps (and the Blackbird power amps). Spatial Audio Lab | |
| Spatial Audio Raven Preamp Actually, I am very curious which phono preamps are a good match with the Raven. As mentioned earlier, the Raven sounds equally good with RCA or XLR inputs, so it caters to all kinds of phono preamps ... solid-state, vacuum tube, or hybrid. Not g... | |
| Is It Worh Modding An Amp Keep in mind most manufacturers will refuse to service "modded" equipment, because the quality of the mods is all over the place. Some mods actually damage the circuit, or make it unstable and failure prone. If a manufacturer sees that when they ... | |
| Spatial Audio Raven Preamp No adjustments are necessary. The only requirement is the sections within the 6SN7 are internally matched, which is true for any good-quality tube. Each channel has its own 6SN7, and it is preferable the stereo pair are matched, although not essen... | |
| 300B, 2A3 experiances wanted Good point: the 300B driven by an interstage transformer is a completely different animal than a 300B driven by RC coupling. From that perspective, an IT is almost mandatory to hear the full potential of the 300B tube. By contrast, the 45 and 2A3 ... | |
| 300B, 2A3 experiances wanted The sonics of the 300B are mostly limited by the power and linearity of the driver section, because it is much harder to drive than the 45 or 2A3. IF the driver is linear and powerful enough, the 300B has a power and expanse unmatched by anything... | |
| Spatial Audio Raven Preamp What you’re hearing is the Less Is More approach. A ultra-simple signal path, including the very straightforward cables. Wires, a switched resistor volume control, transformers, and triodes. | |
| "The Art of Speaker Design" by Lynn Olson Yes, I'm still around. My thoughts have changed a bit in the last twenty years ... there are some really good horns out there, and some dipoles too. Still trying to figure out how some of them work. | |
| Spatial Audio Raven Preamp Oh, Amtrak is still around, just with fewer routes. The Denver/Portland route went away about fifteen years ago. However, as part of the Inflation Reduction Act, Amtrak is getting some routes restored, which I look forward to. As for airports, DI... | |
| Spatial Audio Raven Preamp I got whacked with Covid after going to the Seattle show last year. Both the Seattle and Denver airports were overcrowded zoos, so I’m pretty sure that’s where I got it. Fortunately, Paxlovid knocked it out in about 36 hours. This time, I will NO... | |
| Spatial Audio Raven Preamp Yes, I plan to fly to Portland for the Spatial presentation and demo. This time I'll be sensible and fly Business Class, so I get decent legroom and seat width. And wear a mask at the airport. | |
| Spatial Audio Raven Preamp Links to the aforementioned articles: The Amity, Raven, and Karna Amplifiers These articles date back to 2004 or earlier, and some of my opinions have changed since then. The availability of custom transformers opened a broader palette of tube s... |