INSTRUCTIONS FOR USE Pro-Ject Head Box RS
Dear music lover, thank you for purchasing a Pro-Ject Audio Systems headphone amplifier. In order to achieve maximum performance and reliability you should study these instructions for use carefully. ! Warning of a hazard for the user, the unit or possible misuse. Important notice. Safety instructions ! AC outlet voltages vary from country to country. Before connecting to the mains, make sure that the voltage in your area meets the voltage requirements printed on the power supply.
Power switch The rocker switch on the left side will turn the unit on or off. The blue LED above the switch shows that the unit is switched on. Connecting a headphone, volume control Connect the headphones to the ¼“ (6,3mm ) jack socket on the front of the headphone amplifier. Use the control knob to adjust the level to the required volume. Output impedance selector Output impedance of the amplifier can be chosen with OUT switch (5, 20, 50 Ohms).
Technical specifications Pro-Ject Head Box RS Power output: Crosstalk: Frequency response: THD+N: Gain: S/N ratio: Headphone jack: Line-level input: Line-level output: Outboard power supply: Power consumption: Dimensions W x H x D (D with sockets): Weight: 350mW at 32 ohms / 60mW at 300ohms -58dB 20Hz – 20kHz/(+0,2dB; -0,05dB) 0,17% (XLR in, output impedance setting 5 ohm, load 32 ohm) 9dB 99dB 3-pole ¼“ (6,3mm ) co-axial jack 1 pair RCA + 1 pair XLR 1 pair RCA + 1 pair XLR 20V/3A DC, suitable for your co
