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Dialogue Premium HP Integrated

The PrimaLuna DiaLogue Premium integrated amplifier has been hailed by experts as the best without regard to cost. Sam Tellig loved it in his review for Stereophile magazine, giving it a Stereophile Class A Recommended Component rating. Dick Olsher, a world expert on vacuum tube audio stated in his review for The Absolute Sound magazine said "It’s my current benchmark in integrated tube amplifiers.” Merriam-Webster defines benchmark as, "Something that serves as a standard by which others may be measured or judged.

Because of our designs and proprietary output transformers, the 36 watt DiaLogue Premium has better bass slam than 75 watt tube amps from the biggest names out there. For customers with low efficiency speakers (84-86dB) that like to play their music loud and have a large room, they may want even more power.We could have easily doubled the output power by simply doing what everybody else does: Run the tubes harder. You’ve seen it. Two power tubes per channel running at the jagged edge, producing 75 or even 100 watts. They also produce unhappy customers, who have to replace tubes every 12 months whereas PrimaLuna customers may go ten years before re-tubing.A better, though much more expensive way to build, is to keep running the tubes easy, but add four more EL34s. That required enlarging the toroidal power transformer, adding a second Adaptive AutoBias board, and all the circuitry upgrades including the tubes, sockets, Swiss wiring, and Takman resistors.

Point to point wired with Swiss made cable. It's obvious that point to point wiring sounds better and lasts longer than wave-soldered thin printed circuit boards. It's what sets PrimaLuna apart and is part of our credo. 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.

TAKMAN Resistors. If you bought a lesser preamp, you would pay hudreds to make this upgrade. Easy to identify through there pink color, these premium resistors made in Japan are popular with those who rebuild and upgrade there gear. "Modders" love TAKMAN for their low noise, linearity, and musicality.

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.

AC Offset Killer. A PrimaLuna exclusive. This is another PrimaLuna "magic bullet" design to make our products so quiet, you will get goose-bumps. PrimaLuna's parent company Durob Audio B.V. sells this as a stand alone item under the Ah! brand name. The fabulous company P.S. Audio sold something similar as a "Humbuster". It's job is to keep the main AC power transformer as quiet as possible. PrimaLuna custom-winds superb AC toroidal transformers that are low in hum. This circuit takes it a to a place no other manufacturer dreams of going. Adding this to your stereo would cost hundreds.

New front-end circuitry. The DiaLogue Premium uses three 12AU7 tubes per channel. The result is even lower distortion and increased bandwidth. 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. By using four instead of two, we can swing more voltage. 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.

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. 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. 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. Tons of them. If you haven't "Tube Rolled," it's a gas, and how you get that last 10% of PERFECT tonal balance to YOUR tastes.

Remote controlled Triode/Ultra-linear Switching – Did you use to love listening to classic rock like the Stones, Neil Young, Hendrix, or The Doors, and some of it now ends up left on the shelf? How about jazz or classical recordings from the 60’s? Every audiophile has songs or albums that they used to love to listen to, but they stopped. Not because the music was bad; it was the best! The problem is, some older recordings sound harsh, brittle, or bright. It’s a shame that we buy a system that is designed to make music listening more enjoyable, and then the higher resolution stops us from playing the albums we love most. There is a solution.

The result is the HP. One of the most powerful tube integrated amps in the world. Delivering 70 watts per channel from EL34's, 80 watts from KT88's, 84 watts from KT120's, and 96 watts from KT150's. And like all PrimaLuna amps, the tubes are run so easy you can use it every day and just relax.

Finally, we added an all-tube headphone amp. In fact, it's one of the best headphone amps you can buy. Remember whether a speaker driver is mounted in a box or in a headphone, it's still a speaker. And the amplifier requirements are the same. So it makes sense that if you have an incredible amp with the finest output transformers, put it to use to run the headphones by simply dividing the output power.

That's exactly what the larger tube headphone amps do. Compare the HP to the most expensive and esoteric stand-alone headphone amplifiers in the world and you will see what we mean. 

The HP: Now you can own an iconic product that is built to last a lifetime. Like all PrimaLuna products, it will be both relevant and desired decades later. Here are the features:

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