PrimaLuna Prologue Premium 34

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Prologue Premium 34

SKU: PrimaLunaPREM34 Category:

ProLogue Premium 34

Integrated Amplifier

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Primaluna’s exclusive Adaptive AutoBias. As with all PrimaLuna amps, you never have to worry about biasing your amp ever again, and the need for matched tubes is eliminated.

Within the ProLogue Premium 34 you can run EL34, KT88, KT120, even KT150 tubes, as well as many others. AAB does the rest while improving sound quality. Tubes are constantly monitored and kept in their best operating range, reducing distortion by up to 50%!

New front-end circuitry. The ProLogue Premium uses two 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.

All PrimaLuna DiaLogue Premium and ProLogue Premium amplifiers and integrated amplifiers are built with huge power transformers and filaments supplies needed to run KT150 tubes. And the ingenious design of their exclusive Adaptive AutoBias circuit means that PrimaLuna buyers from ten years ago don’t have to sell off their system to enjoy new tube developments.

SmartWatts design with a tube life of up to ten years. When you buy any tube product, you need to think about the operational costs to own it. Many brands quote changing power tubes after 2000 hours. Not PrimaLuna. If an amp runs the tubes hard, its sound quality can start to degrade in 9 months and need to be re-tubed in a year. What’s fun about that?

SuperQuiet Line Inputs. Selector switches mounted on the front panel have two problems: First, there are often long wires that run from the switch in the front to the rear RCA jacks, and they invite stray noise like RF and EMI. Second, switches don’t make the best contact when new, and the quality degrades as the switch gets dirty and worn. Then, selector switches have crosstalk between the inputs. You’ve probably heard it yourself; you’re listening to a CD and the music ends, and you can hear a faint signal from your tuner. Or a slight hiss, hum, or buzz coming in to through inputs you aren’t using. The noise can be obvious, or so small that you can’t really identify it. The negative effect is the same: It obscures micro details in the music that allow you to make out things like the body of a guitar or the sense of space in a hall.

PrimaLuna has a better way. Instead of a switch, input selection is done using premium quality sealed relays made by Fujitsu in Japan, mounted in the rear where you plug in your components. When an input is selected, that relay closes giving you the best connection possible. All the other relays are left open, so noise and signals from other sources can’t leak in. Relays open and close, so there is no wiper to get dirty, noisy, or wear out. The signal path is much shorter. In fact it’s almost non-existent, so there are no long wires to pick up noise.

One last technical feature: Each input has a circuit designed to present a perfect 100K ohm input impedance to the components you are plugging in, assuring you that every piece of equipment you listen to will sound its best.

ProLogue Premium 34

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ALPS Blue Velvet motorized volume control tracks better so a defined stereo image is established and doesn’t collapse as you raise and lower volume. And it will stay quiet, adhering to PrimaLuna’s guiding principle of “Built to last a lifetime”. This part alone costs ten times more than a simple “chip” that they could have used.

Custom wide bandwidth output transformers No other brand can copy the PrimaLuna sound for one simple reason: PrimaLuna output transformers. Almost every manufacturer buys their output transformers off the shelf; with varying degrees of success. Transformers are the most important (and most expensive) ingredient in making an amplifier. Their output transformers are custom wound in-house. The designs are the result of collaboration between engineers in the Netherlands and the United States, and built to the same standards that you come to expect from the world’s authority on tube amplifier manufacturing.

That’s why PrimaLuna bass extension is deep and tight, the top end extended but without even a hint of grain, and that famous PrimaLuna midrange, which creates a sense of space and shape you won’t get anywhere else.

Home theater pass-thru. Straight from the critically-acclaimed DiaLogue Series, this direct-line circuitry means less noise and coloration over unity gain circuits. You can hook it up to a surround processor, and when you switch the ProLogue Premium to HT the amplifier becomes in essence a power amp.

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Next, the ProLogue Premium Series introduces three innovative circuits that protect the amp at every level:

BTI-circuit. BTI stands for “Bad Tube Indicator.” On the chassis’ deck in front of each power tube, is a small LED that lights up if the tube goes bad. The circuit then puts the amp into protection mode.  With other brands, this may be when you have to break out the soldering iron to replace a plate resistor, and replace two or four tubes because your amp requires matched sets.

With PrimaLuna, you just replace the tube it tells you to (no matched tubes required), and turn the amp back on.  No hassles, no headaches.

PTP-circuit. If the power transformer should overheat, this “Power Transformer Protection” circuit cuts primary power, allows the amp to cool down, then resets itself.

OTP-circuit. The “Output Transformer Protection” circuit protects the output transformers in the event of a massive tube failure or user error.

As with all PrimaLuna components, the ProLogue Premium Integrated is made by hand with the finest point-to-point wiring and quality equal to—or better than—any product you can buy at any price.

Built using premium parts featuring: ceramic tube sockets; Solen and Nichicon capacitors; WBT-style solid core speaker terminals; ALPS Blue Velvet volume control; gold-plated RCA jacks; toroidal power transformer.

Specification ProLogue Premium 34

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Output Prologue Premium 34

35 watts x 2 with EL34 power tubes

36 watts x 2 with KT88 power tubes

Frequency Response

20Hz-85kHz +/- 0.5dB

THD

Less than 1% at full power

All packaged in a high-gloss, hand-rubbed finish.

 

Brand

PrimaLuna

PrimaLuna The driving force behind PrimaLuna is one of high-end audio’s most astute and colorful figures, Herman van den Dungen. It’s been said that many successful, creative people “march to the beat of a different drummer,” but it’s the ability to get others to hear your tune and march with you that distinguishes the most accomplished. Van den Dungen is undoubtedly one of them. With a reputation of gathering the best talent for his projects, the widely-known, Dutch-born entrepreneur in 1998 launched the well-valued AH! Njoe Tjoeb CD player to critical acclaim in Europe. A year later, seeking to expand sales in the United States, he forged a relationship with Kevin Deal. A dynamic, high-end dealer with sufficient capital to import the product, Deal also possessed a characteristic Herman found invaluable—decades of experience in tubes with an intimate knowledge of their ups and downs as they relate to the consumer. The two immediately hit it off, sharing the philosophy of providing an exceptional, reliable product at a great price and delivering incomparable after-sales service.