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PrimaLuna Prologue Premium Integrated Amplifier

PrimaLuna




Ah, valves. How we like their delicacy, sonic warmth and the way they light up. There are still valve amplifier manufacturers that work tirelessly to emulate that rich sound of the valve amplifier era.Prima Luna is a company that designs and manufactures valve amplifiers that not only reproduce that classic valve sound but have made several improvements that enhance the sound quality and reliability of valves.They have designed a sophisticated adaptive auto bias system while running tubes at the minimum dissipation or power and giving more slam and bandwidth through superior output transformer design.

One of the pitfalls of valve amplifiers for all their sonic sweetness is the lack of bass slam and definition.Prima Luna has solved this problem by being one of the only manufacturers in the world that actually designs and winds their own power transformers in-house.The transformer within an amplifier provides the "horsepower" that make the speakers perform to their maximum.In building their own transformers they maximise power quality not quantity and that is what gives bass performance.Every Prima Luna Valve amplifier is handmade and uses point to point wiring, the same as the famous Marantz valve pre and power amplifiers of the 1960's.

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PROLOGUE CLASS POWER TRANSFORMERS

Power transformers generate two types of noise, magnetic and acoustic. That's why toroidal power transformers are used in the very best audio products. Compared to standard transformers, toroids radiate about 1/10 the magnetic field that pollutes music and obscures detail. Additionally, the absence of an air gap typically means toroids have an 8:1 reduction of acoustic noise. As transformers are the most expensive components in any audio product, manufacturers will even house cheaper C-core and EI-core transformers in an outboard power supply box with an umbilical cable rather than upgrade to an expensive toroid. The increased cost is significant, but PrimaLuna doesn’t cut corners. All PrimaLuna products use massive, potted toroidal transformers. PrimaLuna transformers are enclosed in a metal housing and then potted in a non-microphonic resin to further reduce noise and to protect the windings from moisture and deterioration forever.

BAD TUBE INDICATOR

PrimaLuna engineers wanted to make owning a tube amp so simple you would have no excuse not to have your tube dreams come true.

If a tube fails, Adaptive AutoBias will instantly put the amplifier into protection mode so no parts can get damaged. A red LED will light up in front of the tube that needs replacing. Simply plug in another tube, and listen. No guessworkNo smoking ampNo getting out the soldering iron or dropping your amp off at UPS

POINT TO POINT WIRING

You spend a lot of money on interconnects. So why have the signal go right from the RCA jacks or speaker terminals into circuit boards with copper traces so thin you can hardly see them? What’s high-end about that?

PrimaLuna employs Point to Point Wiring on all products. The entire signal path, including resistors and capacitors, is painstakingly hand wired with heavy-gauge cable by craftsman.

 

ProLogue Premium Integrated Specifications

Price
Output Power:
Ultra-linear
(8 Ohms, 1% THD)
Inputs
Outputs
Frequency Response
THD (1W/1kHz)
S/N Ratio
Input Sensitivity
Power Consumption
Standard Tube Compliment
Dimensions (WxHxD)
Weight



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