If you haven't "Tube Rolled," it's a gas, and how you get that last 10% of PERFECT tonal balance to YOUR tastes. ![]() ![]() What if that 6H30 factory has a problem, closes, or just decides to stop making them? In addition, because 12AU7's have always been a popular tube, there are tens of thousands of vintage new-old-stock 12AU7's available everywhere from the greatest factories like Telefunken, Mullard, Amperex, Cifte, Siemens, and more. If your equipment uses that tube, there is no way to fine-tune the tonal balance of your system trying different brands you'd better like it as-is. We chose 12AU7 tubes because there are more factories around the world making great ones today than any other tube, so you can try them and see if you prefer their "color." By contrast, a tube like the 6H30 tube is well-known for thin mids, and they are only made in one factory in Russia. The two tubes in the center are the input tubes, and that’s where you want to have fun later if you wish by experimenting with different tube brands. By using four instead of two, we can swing more voltage. The change in dynamic range is stunning! Distortion levels in the first stage have dropped by a factor of five at low levels, and at least 20 at higher levels, above one volt. The four 12AU7’s on the outside are driver tubes. The result is even lower distortion and increased bandwidth. New front-end circuitry. The DiaLogue Premium uses three 12AU7 tubes per channel. Adding this to your stereo would cost hundreds. This circuit takes it a to a place no other manufacturer dreams of going. PrimaLuna custom-winds superb AC toroidal transformers that are low in hum. It's job is to keep the main AC power transformer as quiet as possible. Audio sold something similar as a "Humbuster". sells this as a stand alone item under the Ah! brand name. PrimaLuna's parent company Durob Audio B.V. A PrimaLuna exclusive. This is another PrimaLuna "magic bullet" design to make our products so quiet, you will get goose-bumps. SCR Tinfoil Caps. Made in France, these capacitors are used in the critical signal paths and while they are expensive, the PrimaLuna team they could not be left out after careful listening comparisons with many different types.ĪC Offset Killer. "Modders" love TAKMAN for their low noise, linearity, and musicality. In the new DiaLogue Premium we went a step further by using Swiss-made, silver-plated, oxygen-free continuous crystal (OCC) copper with a Teflon dielectric in the critical signal path for superior signal speed and increased clarity. It's what sets PrimaLuna apart and is part of our credo. It's obvious that point to point wiring sounds better and lasts longer than wave-soldered thin printed circuit boards. Point to point wired with Swiss made cable. Let's look at the way this amplifier is designed and built. Please go to the review section for more details. Tone Audio Magazine's Jeff Dorgay followed suit, awarding the Product of the Year award. I failed." and that it "is among the four or five most enjoyable" amplifiers he has ever reviewed. This is important because Art reviews some of the most expensive products in the world. ![]() He declared "I tried to find fault with the PrimaLuna DiaLogue Premium. Art Dudley, one of the most famous and well-respected reviewers in the industry, reviewed the DiaLogue Premium power amp as a $3199 stereo amp, not even in the more powerful monoblock mode.
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