Prima Luna Evo 100 power amplifier

Prima Luna Evo 100 power amplifier

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£2,200.00

Delighted to be stocking the Prima Luna range of valve amplifiers.

True audiophile amps with superb design and sound to match.

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Description

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. “The flat tops and bottoms of these squarewaves correlate with the amplifier’s extended low-frequency response; PrimaLuna’s output transformers are of excellent quality.” -John Atkinson, Stereophile Magazine

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 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.

PrimaLuna Evo 100 Power Amplifier 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
  • Power Consumption – 270 watts (stereo) 280 watts (mono)
  • Standard Tube Complement – 2 – 12AX7 2 – 12AU7 4 – EL34
  • Dimensions (WxHxD) – 11″ x 7.5″ x 15.9″
  • Weight – 37.4 lbs

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