For example, instead of bare wires to the the XLR, we can built a breakout box with standard binding posts and a grounding lug. Logistics aren’t easy to track who is currently borrowing the unit and you probably should have something like a $150 deposit, shipping fee, and rental fee of $20 to borrow the unit but it would be like except for a E1DA Cosmos/DX7Pro+ combo and some standardized cables. Much easier to ship some cables, and two small DACs. Imagine having a library of a three of four E1DA cosmos/Dx7Pro+ which we could loan out to different parts of the globe. What WOULD be helpful is to create a kit and a standardized test protocol for testing line level items. I am just a pure hobbyist and don’t think I could do a lot of reviews other than measure the collection I have amassed over decades. Tube amps are decorative objects just as much as they are functional. They are better products because I expect them to be more reliable, they don’t need to warm up or heat up the room and have power when I need them.īut I think this is the difference from those German Christmas Pyramids powered by candles versus one that was powered by a battery. I think my Marantz PM-10 and PM-11s2 are better products. Relative to solid state, it’s a loaded question. Whether that difference is favorable or not is a personal preference. Adding to the social interest is the fact that this was from the same company that is known as Anthem. It’s sort of impressive since the roots of the SFS-80 are in hobbyists who took the Dynaco design with expired patents and tweaked it. Relative to tubes, this in fact is the highest measuring tube amp that anyone has tested. I am not sure if you are asking relative to other tubes or relative to something like a modern solid state amp. Certainly, the new current production 300B’s from Western Electric would be interesting to measure. No matter how good your 300B setup may be, it would be nice to see if there is a sweet spot for your bias. I don’t use this tube amp in any of my primary systems but it might be interesting to see if 42 mA, 45 mA, or 47 mA ends up having the “best” results. Then you have all the hand waving that E元4’s sound better than 6550a’s if you don’t need power, but E元4’s are typically biased at 40 mA. I have always been told that higher biasing is better too, but I subjectively thought 40 mA was better but I also told myself that it was probably the bias of knowing that these tubes have a finite lifespan and have no reliable replacement.īut at least in this case, the lower bias measures better! The 6550A should easily handle even more power than 50mA. You should put your gear on the test bench too. It sounds like the power limitations are real, but with a matching high efficiency speaker or appropriate listening level, it’s supposed to be very impressive. Then the question is how good something like an Audio Research, current production amp can perform.ĭefinitely! Searching USPTO, I cannot find evidence that they ever trademarked the name and Sega has trademarked the name for their latest Sonic the Hedgehog game. From what I understand the 12ax7/12at7 combo is even better than the 6DJ8. Please see my other Ad for matching preamp STL-1 from the same manufacturer.I don’t know if this actually measures better than a MC275/MC2102. Power output: 110W continuous into 8, 4, and 2 ohms (20.4dBW), terminated with rated load, 20Hz–20kHz, with 50. Tube complement: eight 6550/KT88s (output), six 6922s (input/voltage amp), and two 5687WBs (driver cathode followers). Matched Octet (8) Genalex Gold Lion Reissue KT88 are currently installed.ĭescription: Push-pull, tube stereo power amplifier. Of course, the factory’s original tubes are always kept. Six NOS Amperex 6922 and two matched pairs NOS 1960 TUNG SOL D Getter 5687 are currently installed. Power output: 110W continuous into 8, 4, and 2 ohms. Sonic Frontiers power 2 power amplifier has accumulated a good reputation for a long time.
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