Pro-Ject Tube Box S2 Phono Preamplifier
Tube Box S2 is our very first product to feature a fully discreet circuit design without using any operational amplifiers (OpAmps). It also is the first product to come with replaceable tubes for tube rolling and sound-shaping. This gives the customers many options to pick from and alter the sound signature to their preferences. Tube Box S2 will give a full and relaxed laid back sound with lush mids, just like you would expect it from a much bigger high end tube phono pre-amplifier. It offers support for both MM and MC cartridges and comes with many gain settings to be switched on the front panel. Five variable input impedance settings are available to adjust to any MM cartridge, the 47k ohm input impedance setting is fixed and suited for high output MC cartridges. The aluminium/metal casing is adapted to our DS2 line in looks and protects against vibrations and electromagnetic interferences for superior sound.Tube Box S2 je Pro-Jectov prvi izdelek s popolnoma diskretno zasnovo vezja brez uporabe operacijskih ojačevalnikov (OpAmp). Je tudi prvi izdelek, ki ima zamenljive lampe za oblikovanje zvoka. To vam daje veliko možnosti za izbiro in spreminjanje zvočnega podpisa po lastnih željah. Tube Box S2 bo dal poln in sproščen sproščen zvok z bujnimi srednjimi toni, tako kot bi ga pričakovali od veliko večjega visokokakovostnega cevnega gramofonskega predojačevalnika. Ponuja podporo za kartuše MM in MC ter ima številne nastavitve ojačanja, ki jih je mogoče preklopiti na sprednji plošči. Na voljo je pet spremenljivih nastavitev vhodne impedance za prilagoditev kateri koli kartuši MM, nastavitev vhodne impedance 47 k ohmov je fiksna in primerna za visokozmogljive kartuše MC. Ohišje iz aluminija/kovine je po videzu prilagojeno naši liniji DS2 in ščiti pred tresljaji in elektromagnetnimi motnjami za vrhunski zvok.
Technical Information:
Tubes: 2 x ECC83 (12AX 7A)
Input impedance:10 ohms, 100 ohms, 1 kohm, 2 kohms
Input capacitance/impedance: 47pF, 147pF, 267pF, 367 pF, 487 pF and 587 pF* / 47 kohms, Together with other input impedance settings without any influence!
Input gain: 40 dB, 43 dB / 50 dB, 60 dB und 63 dB
Noise floor: 80 dB (A weighted) at 40 dB input gain, 75dB (A weighted) at 50 dB and 63 dB input gain
THD: <0.02% at 40 dB input gain <0.05% at 50 dB and 63 dB input gain
RIAA-equalisation curve accuracy: +/- 0.4 dB/20 Hz - 20 kHz
Subsonic filter: at 20 Hz with 18 dB/octave
Dimensions W x H x D with sockets: 103 x 73 x 131 mm
Weight: 410 g without power supply