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Vacuum Tubes and Balanced Outputs Guarantee Breathtaking Sound
The Tube Box phono preamps ha've been an integral part of Pro-Ject's product portfolio for many years. Practice makes even more perfection, and the new Tube Box DS3 B adds balanced inputs and outputs to Tube Box's beloved tube amplification. This precision tube phono preamplifier benefits from outstanding circuit technology from Dr. Sykora and uses 'ultimate' premium components.
All components including tube output and polypropylene capacitors are audiophile grade and guarantee a breathtaking sound experience.
Connect your turntable either with the 5-pin mini XLR cable or standard XLR cables and profit from the balanced signal transmission. Symmetrical, also called balanced, transmissions, consist of a hot and a cold (also called + and -) signal. Both signal chains effectively carry the same musical information. The Tube Box DS3 B can extract the final musical information out of the +/- signals and remove all noise that was potentially added along the transmission.
Extreme Cartridge Loading Options
You can connect two turntables to the Tube Box DS3 B at the same time easily adjust all settings from the front panel. Each input settings are stored in the memory. Large adjustment ranges from 40dB up to 65dB are possible. This allows you to perfectly match the Tube Box with a wide variety of cartridges and integrate it into the rest of your hi-fi system, matching the volume levels accurately to other sources like CD players or streaming devices.
Load impedance can be set continuously via potentiometer, a system invented by Pro-Ject Audio Systems. It allows you to seamlessly adjust the impedance during playback and immediately assess the impact of different loading options. This is necessary to find just the right load impedance for your cartridge. No other manufacturers implement this feature in this extreme way!
External Power Supply
The Tube Box DS3 B is powered by an external adapter. It is important to keep all the parts which can radiate electromagnetic fields out of the amplifier range. This is the reason for the outboard power supply. Due to legal requirements, this power supply must be a switch mode type with guaranteed stand-by mode power consumption of 0.1W.
