PrimaLuna EVO 100 Power Amplifier

$3,395.00

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SKU: Evo 100 Power Category:

Description

PrimaLuna has pioneered numerous technologies to redefine tube amplification. From increased reliability and tube life all the way to their unique, signature sound.

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 guesswork. No smoking amp. No getting out the soldering iron or dropping your amp off at UPS.

Custom Toroidal 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.

Custom Super-Wide-Bandwidth Output Transformers

Output transformers are the most important part of any tube amp. They determine how low the bass will reach and how high the top end goes. 250 watts of power will have no top and bottom extension if the output transformers don’t have the bandwidth. We use lower power to extend tube life, and bandwidth to give you slam.

Transformers are the most expensive components in an amplifier, so manufacturers save money by using ‘off the shelf’ units available on the market. PrimaLuna output transformers are custom-designed, wound in-house, and massive. One reason why no other brand sounds like a PrimaLuna.

Adaptive AutoBias™

What most companies call Auto Bias is actually “Cathode Bias”- A commonly used method that is cheap to make, and often found in guitar amps, but also $20,000 high-end audio amps. It reduces the available power of the amp and runs the tubes hard, meaning shorter tube life and failures via “shorts”.

PrimaLuna’s Adaptive AutoBias is a true, smart technology employing an array of sensors to monitor tubes and make adjustments seamlessly in real-time. More important, it is the ONLY circuit of its kind that is truly “adaptive” by addressing “tube pinch off” at higher volumes, therefore reducing distortion by over 50% and greatly extending tube life. Adaptive AutoBias is completely passive and NOT in the signal path. The result is low to no maintenance, long tube life, and the lowest possible distortion for amazing sound.

Adaptive AutoBias also provides unparalleled flexibility by allowing the use of almost any tube on the market today. It even has a fine-tuning switch for EL-34 and KT88/KT120/KT150 tube types.

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.

Key Features

  • Stereo/Mono Switching
  • Adaptive AutoBias
  • Point-To-Point Wiring
  • Bad Tube Indicator
  • Wide-Bandwidth Output Transformers
  • Toroidal Power Transformers

Specifications

Power (Stereo, 8Ω, 1% THD): 40 watts x 2 (EL34)
Power (Mono, 8Ω, 1% THD): 82 watts (EL34)
Inputs: Stereo RCA
Outputs: 4, 8, & 16 Ω (stereo), 2, 4, & 8 Ω (mono)
THD: < 0.1% @ 1W, < 2% @ Full Power
Freq. Response: 12Hz-85kHz +/- 1dB, 10Hz-95kHz +/- 3dB
S/N Ratio: 92 dB (stereo), 93 dB (mono)
Input Sensitivity: 880mV
Input Impedance: 100kΩ
Power Consumption: 270 watts (stereo), 280 watts (mono)
Standard Tube Complement: 2 x 12AX7, 2 x 12AU7, 4 x EL34
Dimensions (WxHxD): 279 x 191 x 404 mm
Weight: 17kg

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