EVOLUTION PHONO ONE

Evolution Phono One - OP AMP Phono Preamplifier

The Evolution Phono One serves as the highly refined entry point into Trafomatic Audio’s high-fidelity analog universe. Engineered around an advanced, solid-state operational amplifier (OP-AMP) topography, this phono stage delivers exceptional clarity, speed, and precision. It features completely independent, optimized input sections for both Moving Magnet (MM) and Moving Coil (MC) cartridges. To maximize sonic performance and ensure absolute electrical harmony with your chosen cartridge, the Evolution Phono One provides listeners with the vital ability to select and fine-tune the MC input impedance loading.

Specifications

Gain: MM – 40 dB, MC – 64 dB using low hum J-Fet
Noise and Hum: – 80 dB at MM, 76dB at MC
Output voltage: 0.5 Vrms
Inputs: MM (RCA) – 47k/200pF, MC (RCA) – 10, 20, 50, 100 ohms selectable
Output Impedance: 600ohms
RIAA Accuracy: +/- 0.4 dB max below 1KHz, 0.6dB max above 1KHz
OP AMP: OPA 2134, two per channel
Power supply: Low Induction toroid transformer by Trafomatic Audio,
Requirements: 120V-60Hz/ 240V/ 50Hz switchable, 15 watts
Weight: 6 kg
Dimensions: 450 x 320 x 100mm