PrimaLuna Evo 100 Power Amplifier

$3,395

Brand Primaluna

Product Description

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.

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.

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.

SPECIFICATIONS

Power: Stereo (8Ω, 1% THD) 40 watts x 2 (EL34) , 42 watts x 2 (KT88)
Power: Mono (8Ω, 1% THD) 82 watts (EL34), 84 watts (KT88)
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 Compliment: 2 x 12AX7, 2 x 12AU7, 4 x EL34
Dimensions: 405 mm x 280 mm x 190 mm (L x W x H)
Weight: 17 kg

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