Other Products ｜Pro-Ject: Phono Box S3 B Balanced Phono Preamp

LAB POINTS

upgrade from standard preamps with audiophile grade components + True Balanced Connection

compatible with moving magnet (MM) + moving coil (MC) cartridges
gain / impedance / capacitance settings for proper cartridge loading
switchable subsonic filter
high quality metal casing offers shielding from both vibration and electromagnetic interference

"The Phono Box S3 B is an entry-level phono preamplifier that offers a fully balanced design in a neat, small package. We’ve packed this tiny chassis to the brim with high-end features. One of those is our new True Balanced Connection. At Pro-Ject, balanced connections were exclusive to our RS range of products until now. The Phono Box S3 B brings those features to an incredible new entry level." - Pro-Ject
TECH SPECS

INPUT IMPEDANCE:  10, 50, 100, 1k, 47k ohms
INPUT CAPACITANCE: 50, 150, 300, 400 pF
GAIN SWITCH (+ 6dB using XLR Out sockets): 40, 45, 60, 65 dB

SUBSONIC FILTER: 20Hz with 18dB/octave

SNR MM (40dB):  03dBV, 110dBV - 'A' weighted
SNR MC (60dB):  85dBV, 90dBV - 'A' weighted
THD at 1 kHz:    <0,001% MM, < 0,005% MC
THD (20Hz-20kHz):    <0,008% MM, < 0,01% MC
RIAA EQ Curve Accuracy: <0,3dB / 20Hz - 20kHz
OUTPUT VOLTAGE: 18V/500mA DC
DIMENSIONS: 8.11"W x 2.17"H x 6.02"D / 206 x 55 x 153 mm
WEIGHT: 2.05 lbs / 930 g (without psu)

COMES WITH

power supply

ABOUT TRUE BALANCED AUDIO

True Balanced Audio refers to a superior audio signal that results in higher sound quality with nearly zero background noise, check out our in-depth guide here

True Balanced gear can be utilized as both balanced (with the proper components and signal path) or non-balanced
True Balanced Audio requires a moving coil cartridge (MC) or the Pro-Ject Pick it Pro Balanced MM Cartridge
True Balanced Audio requires a balanced audio cable (5-Pin DIN, mini XLR / XLR, or RCA > Mini XLR) connected from the turntable to the preamp

True Balanced Audio requires a preamp that accepts balanced cables; you can output either XLR (recommended) or RCA from the preamp to speakers / amplifier
shop all Pro-Ject True Balanced
Brand:Pro-JectCategory:_STEREO-COMP-preampSKU:eq-1890-silverTags:Pro-Ject Audio Components, Pro-Ject High-End, Pro-Ject Preamps, Pro-Ject True Balancedtype:Silver, Black