Comparison Pro-Ject Phono Box MM vs Pro-Ject Phono Box E
Add to comparison |  |  |
|---|---|---|
| Pro-Ject Phono Box MM | Pro-Ject Phono Box E | |
from $89.00 | from $89.00 | |
| TOP sellers | ||
| Features | MM pickups | MM pickups |
| Dimensions | 107x75x30 mm | 120x106x32 mm |
| Weight | 280 g | 269 g |
Specs | ||
| Frequency range | 20 – 20000 Hz | 20 – 20000 Hz |
| Output level | 0.5 В | 0.5 В |
MM module | ||
| Signal to noise ratio (MM) | 88 dB | 88 dB |
| Harmonic distortion (MM) | 0.04 % | 0.05 % |
| Gain (MM) | 40 dB | 40 dB |
| Input load capacity (MM) | 120 pF | 120 pF |
| Input impedance (MM) | 47 kOhm | 47 kOhm |
Features | ||
| External power supply |  | |
Connectors | ||
| Inputs | Phono RCA | Phono RCA |
| Outputs | RCA | RCA |
| Color | ||
| Added to E-Catalog | april 2017 | april 2017 |
Compare Pro-Ject Phono Box MM and Phono Box E
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Glossary
Harmonic distortion (MM)
The coefficient of harmonic distortion provided by the phono stage when working with an MM type pickup (see "Intended use").
The lower this indicator, the less distortion the phono stage gives, the more reliable the output signal is. It is impossible to completely avoid such distortions, but it is possible to reduce them to a level that is not perceived by a person. So, it is believed that the level of harmonics of 0.5% and below is no longer audible even to a “trained ear”. However, it should also be borne in mind that the quality of the audible sound is also affected by distortion from other components of the audio system. Therefore, the harmonic distortion of the phono stage should not just be below 0.5%, but as low as possible. Values in hundredths of a percent are considered a good indicator, values in thousandths and below are considered excellent.
The lower this indicator, the less distortion the phono stage gives, the more reliable the output signal is. It is impossible to completely avoid such distortions, but it is possible to reduce them to a level that is not perceived by a person. So, it is believed that the level of harmonics of 0.5% and below is no longer audible even to a “trained ear”. However, it should also be borne in mind that the quality of the audible sound is also affected by distortion from other components of the audio system. Therefore, the harmonic distortion of the phono stage should not just be below 0.5%, but as low as possible. Values in hundredths of a percent are considered a good indicator, values in thousandths and below are considered excellent.