Το Tube Box DS3 B είναι ένας high-end phono προενισχυτής λυχνίας που συνδυάζει ζεστό, αναλογικό ήχο με σύγχρονη τεχνολογία balanced συνδέσεων. Υποστηρίζει δύο πικάπ, διαθέτει ρυθμιζόμενο gain και συνεχόμενη ρύθμιση αντίστασης για ιδανικό ταίριασμα με κάθε κεφαλή. Προσφέρει καθαρό, δυναμικό και φυσικό ήχο με υψηλή λεπτομέρεια και χαμηλό θόρυβο. High-End Tube Sound   The Tube Box DS3 B is a precision tube phono preamplifier that combines classic tube warmth with modern high-end engineering. Building on a long-standing product line, it introduces balanced inputs and outputs for improved signal integrity and lower noise. Designed with advanced circuitry by Dr. Sykora and built using premium components, it delivers exceptional musical detail, dynamic range, and tonal richness.   Key Features   Tube amplification with low-noise E88CC vacuum tubes Balanced (XLR) and unbalanced connections for maximum flexibility Supports two turntables simultaneously with memory-stored settings Adjustable gain: 40 dB – 65 dB Continuously variable impedance loading via front-panel control Audiophile-grade components (polypropylene capacitors, high-quality output stage) Designed and handmade in Europe     Balanced Signal Advantage   Balanced transmission uses dual (+ / –) signal paths to eliminate noise and interference. The Tube Box DS3 B extracts the pure audio signal while effectively rejecting unwanted noise—ideal for modern environments with electrical interference.   Performance   The Tube Box DS3 B delivers a rich, warm tube sound with detailed bass, smooth highs, and excellent clarity. Its precise adjustability allows perfect matching with a wide range of cartridges and seamless integration into high-end audio systems. Technical Specifications Tube assembly: 2x E88CC / 6922 Input impedance: stepless 10-1000 Ohms, fix 47 kOhms Capacitance: 50 / 150 / 300 / 400 pF Gain (+6dB using XLR Out): 40 / 45 / 50 / 55 / 60 / 65 dB Output voltage typically: 500 mV/1kHz at 5mV/1kHz (at 40dB) Signal-to-noise ratio: >87dBV - ‚A‘ weighted THD: < 0,03% RIAA curve accuracy: +/- 0,5dB/20Hz - 20kHz Subsonic filter: at 20Hz with 18dB/octave Input: 1x 5-pin mini XLR / 1x pair XLR / 1x pair RCA phono Output: 1x pair RCA, 1x pair XLR Power supply: 18V/1000mA DC Power consumption: max 750 mA DC / < 0,5 watt standby Dimensions W x H x D: 206 x 70 x 194 mm Weight: 1560g (without power supply)