RP3-VT discontinued

Vacuum Tube / Solid State hybrid headphone amplifier.

This design has been created to join the technology of vacuum tubes and solid state at their best. It is a certain fact that vacuum tubes give the best in signal amplification, while transistors are perfect to give power amplification at low output impedance. This is the basic concept of all the hybrid amplifiers.

In the RP3 the input stage is driven by a double triode 12AU7. This gives an amplification of 20 db and donates to sound the sweet tube taste. The power amplification is given by a pure A-Class power stage.

The RP3 is designed for the modern audiophile using CD and DVD as sound sources, but who does not want to renounce to a more classic and silky sound. The vacuum tube input is perfect to make less sharp and cold the sound of modern digital devices.

The linearity and frequency range are top-level and assure a natural and genuine hi-end sound.

A revised mk2 version of the RP3-VT was later renamed RP4.

Specifications — Maximum Output: 400mW · Inputs: 1 line · Bandwidth: 3–100,000 Hz within 1dB · Gain: 19.8dB · THD: 0.5% (output 100mW) · Technology: Triodes & Bipolar transistors · Input Impedance: 47kΩ · Negative Feed-Back: zero · Output Impedance: 32–600Ω · Amplification Class: Always A-Class · Weight: 5kg · Dimensions: 242×80×282mm

Price (2003): €350