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 Black - Phono Preamp

Pro-Ject Tube Box S2 Black - Phono Preamp

Product ID: 69958070

Details

Brand
Pro-Ject
Manufacturer
Pro-ject
Maximum Supply Voltage
18 Volts
Mounting Type
Surface Mount
Number of Channels
2

⚡Discrete low-noise circuit, no op-amps

🔊2 ECC83 tubes for rich analog warmth

🛡️Aluminum-metal housing blocks vibration & EMI

Description

🎶 Elevate your vinyl ritual with buttery tube bliss — because your records deserve the best.

BUILT LIKE A TANK - Robust aluminum and metal sandwich chassis shields your music from unwanted interference and vibrations.
NOISE WHAT NOISE - Ultra-low noise discrete circuitry ensures crystal-clear sound without digital artifacts or op-amp coloration.
PURE ANALOG WARMTH - Miniature pioneering phono tubes deliver lush, vintage sound that elevates every vinyl spin.
TAILORED FOR MM MC - Versatile cartridge loading with adjustable gain and impedance settings for audiophile-grade customization.
TUBE ROLLING FREEDOM - Interchangeable ECC83 tubes let you personalize your sonic signature — because your sound should be as unique as you.

The Pro-Ject Tube Box S2 Black is a premium phono preamp designed for MM and MC cartridges, featuring dual ECC83 tubes in a double mono layout for superior channel separation. Its fully discrete, low-noise circuit avoids op-amps, using high-quality polystyrene capacitors for pristine sound. The rugged aluminum-metal housing protects against vibration and electromagnetic interference, while front-panel controls offer gain adjustment and a subsonic filter. Perfect for discerning vinyl enthusiasts seeking rich analog warmth and customizable tube rolling options.

Specifications

ASIN	B075KPB1P2
Best Sellers Rank	#85,357 in Electronics ( See Top 100 in Electronics ) #21 in Home Audio Phono Preamps
Brand Name	Pro-Ject
Customer Reviews	4.4 4.4 out of 5 stars (497)
Included Components	Tube Box S2
Item Weight	2.1 Pounds
Manufacturer	Pro-ject
Material Type	Cotton
Maximum Supply Voltage	18 Volts
Model	Pro-Ject Tube Box S2
Mounting Type	Surface Mount
Number of Channels	2
Output Power	10 Watts
Package Type Name	single unit box
Part Number	Pro-Ject Tube Box S2
Unit Count	1.0 Count

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