Replacement Valve Kit for Pro-ject Tube Box S (2 x JJ ECC83)

Description

Best replacement valve kit for Pro-ject Tube Box S turntable phono pre-amplifiers

This replacement valve kit for the Pro-ject Tube Box S will get your turntable phono pre-amplifier sounding better than ever. These superior quality valves will give you a significant upgrade in both tone and power. The best value for money turntable phono pre-amplifier valves on the market today.

This superior JJ kit comprises:

• 2 x Selected Premium Grade JJ ECC83 preamp valve (also called 12AX7).

We recommend JJ tubes for this pre-amplifier. This is because they offer a superb tone at a very attractive price. We think these are the best valves/tubes for this pre-amplifier.

So treat yourself to a brand new set today. Restore the power and clarity to your Pro-ject Tube Box S turntable phono pre-amplifier.

1. Awesome tone. This is what matters most. The number one priority for any hi-fi enthusiast has to be the tone. Warm, rich, fat and juicy are the words that best describe the sound from these valves.
2. Sustained valve/tube power to make the most of every stage in the amplifier chain. It is the balance between volume and tone that distinguishes a great valve from a mediocre valve.
3. Long valve/tube life.  Small pre-amps by their very nature have to be built to take a lot of knocks. This is also particularly important when it comes to the pre-amplifier valves themselves.

Do you have any questions about this valve kit? 

If you have any questions about replacing your valves please drop us an email. We have more than 30 years of experience so we are sure we can help you solve any problem.

If you have never changed your valves before, please visit our FAQ section before you contact us. Here we give you lots of hints and tips about upgrading your tubes.

The best replacement valve kit for Pro-ject Tube Box S turntable phono pre-amplifier on the market. 

• Every kit is carefully selected, fully tested and digitally graded before we ship to you.
• These are selected Premium Grade valves that deliver superior tone, power and performance.
• We have a range of fast delivery options with full tracking and insurance. So order with total confidence.
• We have over 30 years experience in the industry so you know you are in very safe hands.
• Global delivery – we ship all over the world.

These valves have been specifically chosen to get the very best out of this incredible pre-amplifier.

About the turntable pre-amp.

Built by Pro-ject in Austria. Features include:

• Valve Complement: 2x ECC83 (12AX 7A)
• Input Impedance Settings: MM: 47kΩ
• MC: 10Ω, 100Ω, 1KΩ or 2KΩ
• Capacitance Settings: 50pF, 150pF, 270pF or 370pF
• Gain Settings: 41dB, 51dB or 61dB
• Noise Floor: 94dB (A Weighted) (41dB Gain) 75dB (A Weighted) (51dB & 61dB Gain)
• THD: MM: <0.01%
• MC: <0.05%
• RIAA Accuracy: 20Hz – 20kHz / max. 0.4dB
• Subsonic Filter: -12dB @ 20Hz
• Input: 1x Pair RCA / Phono Sockets
• Line-Level Output: 1x Pair RCA / Phono Sockets
• Power Consumption: 470mA DC
• Outboard PSU: 18V / 1,000mA DC (UK Plug)
• Dimensions: 103 x 74 x 125mm 103 x 74 x 137mm (Incl. Sockets)

As a dedicated turntable pre-amplifier the Tube Box S features dip switches to allow you to tailor the settings of the pre-amp to match the turntable cartridge you are using. With it’s small form factor and rugged design, the Tube Box S has proven to be popular and a Tube Box S2 model is now available with additional features such as gain buttons on the front panel. If you already own an S2 model this kit will also fit.

More information on the Pro-ject Tube Box S