Pro-Ject Vinyl NRS Box S3 Noise Reduction System – Black

Here we have a solution to all those of you with large collections of old vinyl records that constantly give you the old snap, crackle and pop experience. You’ve tried to keep them as clean as possible or even gone to the trouble of cleaning them with a specialist record cleaning machine but still those dreaded clicks are there. Well now we have a possible answer the Pro-Ject Vinyl NRS Box S3. Our example is in good condition with a few very minor blemishes – please refer to photographs. It is supplied in original factory packaging along with power supply unit and our normal three month warranty.
Pro-Ject Say….
Everyone has their favourite old vinyl record which has gotten damaged over time, is really noisy and probably not available to buy new anymore either. Many tracks are also not uploaded to streaming platforms, so the only way to listen to them is via your old vinyl records. For sure, the slight noise and clicks are part of the vinyl experience, but at some point, at excessive levels, it is not fun anymore and your favourite record might just stay in your shelf for the remainder of its long life. We know these problems and want to bring those records back on your turntable. The solution is now here, and it is called Vinyl NRS Box S3.
Connect the output of your phono preamplifier to the Vinyl NRS Box S3. First, the line signal gets digitized with a bit depth of 24-bits and a sampling rate of 96 kHz. If the input is too loud, the overflow LED will show it to you. You can then activate the -6 dB switch and the gain is fine now. The real magic happens in the digital domain.
The signal gets filtered to not interfere with the processing itself. High frequency components are used as a marker for crackles. The dedicated algorithm can now detect these peaks. You can easily adjust the sensitivity with the potentiometer on the front. The LED gives you instant feedback on the process. Crackling parts can be reduced by up to 8 dB which is a big improvement for the listening experience. If you don‘t want to use the De-Crackling function, just turn the potentiometer completely to the left and the algorithm is in bypass.
The signal is first separated into two frequency bands and then fed into two expanders, which increase the signal-to-noise ratio. There are no noise modulations audible using this technique! We are able to reduce the noise by up to 8 dB.
The Vinyl NRS Box S3 is connected between the phono preamp and your preamp or integrated amplifier. If you turn it on, the Vinyl NRS Box S3 is active immediately. If you don‘t want it in your signal path, just turn it off and the device is bypassed and the inputs are galvanically connected to the outputs.
There are two De-Crackling intensity algorithms available: the basic one processes the signal very lightly; the advanced is stronger with more heavy processing. Always try the basic setting first & adjust the intensity with the potentiometer. By pressing the „Intensity“ button you can engage the advanced mode if wanted and/or necessary. The LED shows you if clicks & crackles are reduced.
If you‘re happy with the De-Crackling setting, but you can still hear a lot of noise, you can now activate the Vinyl Noise Reduction feature by pressing the VNRS button.
There is only one preset for the Vinyl Noise Reduction feature and it cannot be customized in the same way the De-Crackling can be adjusted.
Features:
NEW De-Crackling function to reduce clicks
NEW noise reduction for vinyl records
NEW reduces noise of the turntable drive
Processing based on DSP with 24 bits
96 kHz sampling rate for precise processing
Galvanic pure bypass if switched OFF
Ideal transfer characteristics and linearity
De-Crackling with adjustable sensitivity
Line-level operation
Compact design in standard S3-line case
Full aluminium housing
Specifications:
Operation: Line Level
Input Voltage, Typically: 300 – 500 mV rms
Max. Input Voltage (clipping): 4.4 Vpp, 1.55 Vrms
Clip Indication: – 0.6 dB below real clipping
Internal Sampling And Calculations: 96 kHz/24-bits
Internal Processing: 56-bit accumulator
THD: < 0.017% (1500 mV rms Input Level)
Frequency Response: 20 Hz to 20 kHz: – 0.6 + 0.1 dB
Noise reduction: up to 8 dB (20 Hz to 20 kHz)
De-Crackling Intensity: up to 8 dB (2 kHz to 20 kHz)
Bypass Mode: line in & out are galvanically linked