How come my tubes dont light up?

Thanks for your question. The tubes on the S2 do not light up. They have a very low glow that is barely perceptible. World Wide Stereo is 43 years old and a proud authorized Pro-Ject dealer.

Can anyone tell me which dip switches should be on for an ortofon 2m blue cartridge? thanks! this is all new to me.

Thanks for your question. Using the included owners manual as a guide, for a 2M Blue:: 1-off, 2-on, 3-off, 4 -8 are off. World Wide Stereo - since 1979 - and a proud authorized Pro-Ject dealer.

Anyone recommend dip switch settings for sumiko rainer mm cartridge?

Thanks for your question. The Sumiko Rainer cartridge specifications state Load Impedance: 47kOhms, Recommended Load Capacitance: 100pF to 200pF, and Output Voltage: 5.0mV. Set input impedance at default 47k, Capacitance at 150pF. Set Input gain at the recommended 43dB. The Tube Box S2 owners manual details the 8 dip switch settings. World Wide Stereo is 42 years old and a proud authorized Pro-Ject dealer.

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PRO-JECT TUBE BOX S2 UNI - BLACK

Product ID: 292058821

Details

Brand
Pro-Ject
Manufacturer
Pro-Ject Audio
Maximum supply voltage
18 Volts
Minimum supply voltage
18 Volts (DC)
Mounting type
Surface Mount

💡2x replaceable ECC83 tubes for sound customization

🔊Dual mono circuitry for ultra low noise

🎚️Front Subsonic filter & gain control for precise tuning

€ 921.38

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Description

🎵 Elevate your vinyl ritual with tube warmth and precision — don’t just listen, belong.

TAILOR YOUR TONE - Swap out ECC83 tubes to customize your vinyl listening vibe exactly how you want it.
COMPACT POWERHOUSE - Miniature footprint with robust aluminum casing shields against vibrations and EMI for studio-grade clarity.
NOISE WHAT NOISE - Dual mono design and FET input stage deliver ultra low noise and pristine channel separation.
PURE TUBE SOUND ZERO OP AMP - Experience lush mids and warm, laid-back audio with fully discrete tube circuitry—no op-amps in sight.
VERSATILE CARTRIDGE COMPATIBILITY - Supports both MM and MC cartridges with 5 variable input impedance settings for perfect match.

The PRO-JECT TUBE BOX S2 UNI is a compact, high-end phono preamplifier featuring fully discrete tube circuitry with replaceable ECC83 tubes, dual mono design for ultra low noise, and versatile support for MM and MC cartridges. Its front-panel subsonic filter and gain controls allow precise sound shaping, while its sturdy aluminum casing protects against interference, delivering rich, warm, and detailed vinyl playback favored by audiophiles and professionals alike.

Specifications

ASIN	B075KPB1P2
Best Sellers Rank	#14,395 in Electronics ( See Top 100 in Electronics ) #2 in Home Audio Preamplifiers
Brand Name	Pro-Ject
Customer Reviews	4.6 4.6 out of 5 stars (435)
Item Highlight	MM & MC, 2 x ECC83 Replaceable Fully Discreet Without OpAmp, Dual Mono, Sandalu/Metal Case
Item Weight	2.12 Pounds
Manufacturer	Pro-Ject Audio
Maximum Supply Voltage	18 Volts
Minimum Supply Voltage	18 Volts (DC)
Model	Pro-Ject Tube Box S2
Mounting Type	Surface Mount
Number of Channels	2
Number of Items	2
Number of Packs	1
Part Number	Pro-Ject Tube Box S2
Specification Met	CE

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