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
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From $499.00
Pro-Ject: Phono Box S3 B Balanced Phono Preamp—
$499.00
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
📌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
