Ed6 : Cassette Polydor ref 3549783- 2021
Presentation
This is the original cassette of this Album recorded in 2021.
| Label | Polydor |
| Reference | 3549783 |
| Format (speed) | Cassette |
| Type | Cassette |
| Master | Digital |
| Mastering/Pressing | Sterling Sound (US) / US |
| Original recording | Digital |
| State | US |
| Year original | 2021 |
| Year production | 2021 |
Waveform
Like the Ed1 Vinyl, this edition is dynamic, we can see many attacks of the instruments that gives this dynamic rendering. As opposed to the Ed4 CD version which is compressed.
Spectrum
The curve represents the average frequency distribution over the sample “Let Me Love You Like A Woman”.
The interesting features on this curve are the following:
- The two curves are superposed up to 2kHz.
- Between 2 and 12 kHz (yellow area), the difference between tape and vinyl can be up to 5 dB. Normally the curves are similar between the release. We notice a loss of fidelity of the cassette. We find the same difference for all the tracks of the cassette.
- Above 12 kHz (Green area), the background noise of the cassette and the cassette deck is much higher than vinyl ( up to 20 dB).
Spectrogram
Spectrogram is another representation of frequency versus time of a track. For each channel (right and left), horizontal axis represents time, and the vertical axis represents frequency. The amplitude is represented by the intensity (brightness) of the color of each point in the image.
The green arrow represents the normal collapse arround 20 kHz (sampling frequency at 44.1 kHz or 48kHz of the master). The yellow arrow indicates the noise of the cassette deck player (visible in the green zone of the Spectrum graph above).
Noise
The graph represents the comparison of the surface noise between the Ed1 Vinyl (white) and the Ed3 cassette noise.
The two editions are compared with respect to their maximum level.
We can see that the Ed6 is noisier above 600Hz, up to 20 dB difference. It is this noise of hiss which characterizes the cassette.
But the Ed6 cassette is quieter than the Ed1 below 600 Hz, up to 15 dB, no surface noise like on vinyl.
Ed7 : Vinyl Polydor RED ref 3553403- 2021
Presentation
This is the original cassette of this Album recorded in 2021.
| Label | Polydor |
| Reference | 3553403 |
| Format (speed) | single vinyl |
| Type | Limited Edition, Red, 33 rpm |
| Master | Digital |
| Mastering/Pressing | Sterling Sound (US), Lacquer Cut by JN-H |
| Original recording | Digital |
| State | US |
| Year original | 2021 |
| Year production | 2021 |
Waveform
Like the Ed1 Vinyl, this edition is dynamic, we can see many attacks of the instruments that gives this dynamic rendering. As opposed to the Ed4 CD version which is compressed.
Spectrum
The curve represents the average frequency distribution over the sample “Let Me Love You Like A Woman”. The two curves are totally overlapping, the “RED” vinyl (Ed7) is made with the same master as the black vinyl (Ed1).
Spectrogram
Spectrogram is another representation of frequency versus time of a track. For each channel (right and left), horizontal axis represents time, and the vertical axis represents frequency. The amplitude is represented by the intensity (brightness) of the color of each point in the image.
The yellow arrow represents the normal collapse arround 20 kHz (sampling frequency of the master at 44.1kHz ou 48 kHz). Above 20 kHz , the signal is due to the distortion and noise generated by the vinyl support.
Noise
The graph represents the comparison of the surface noise between the Ed1 Vinyl (white) and the Ed7 RED Vinyl.
The two editions are compared with respect to their maximum level.
We can see that the Ed7 is noisier below 1000Hz, up to 6dB difference. The Ed 7 vinyl red has a more present surface noise to the listening
Magic Vinyl vs Digital 
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