Ed7 : Vinyl Universal Music Abbey Road Studio – ref ARHSDLP004 remastered in 2021
Presentation
Universal Music will reissue half-speed mastered double vinyls pressings at 45 rmp remastered at Abbey Road Studio by Miles Showell.
| Label | Universal Music Compagny |
| Reference | ARHSDLP004 |
| Format (speed) | Double vinyls |
| Type | 45 rpm Limited Edition Half-Speed Master |
| Master | Digital 88.2 kHz |
| Mastering/Pressing | Mastered by Miles Showell at Abbey Road Studios, Half-Speed Mastered |
| Original recording | Digital |
| State | US |
| Year original | 1985 |
| Year production | 2020 |
Waveform
We find here all the dynamics of the signal remastered by Abbey Road Studio, with a raised treble level as we will see on the spectrum.
Spectrum
The interesting features on this curve are the following:
- The accuracy of the digital here clearly shows the maximum frequency of the original master. Nothing above 20 kHz (Yellow), the original master is in 44.1 kHz.
- Bellow 10 kHz, the curve in blue (Vinyl MOFi Ed3) is a few dB higher than the Abbey Road Studio vinyl (White).
- The level between 40 and 60 Hz ( for Ed7 in white) is lower here than the Ed3 vinyl MOFI vinyl version (Blue), which will give a slightly lower bass support.
- Otherwise, the curves are very similar.
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 spectrogram, as for the spectrum (in Yellow), reveals the limit at 22 kHz due to the digital recording.
Surface Noise
Above 1 kHz, the noise level is very low, with an advantage to the Abbey Road Studio version.
Below 1 kHz, the situation is reversed and it is the MOFI release that has a lower surface noise than the Abbey Road release.
The pressing quality is therefore a bit better on the MOFI version which is also a more expensive edition than the Abbey Road version.
Ed8 : Streaming HD Album, Stereo, 16bit 44.1kHz, 1985
Presentation
| Label | Vertigo |
| Reference | Amazon Music HD 16/44.1 |
| Format (speed) | HD Streaming 16/44.1 |
| Type | HD Streaming |
| Master | Digital 16/44.1kHz |
| Mastering/Pressing | Streaming HD |
| Original recording | Digital |
| State | US |
| Year original | 1985 |
| Year production | 1985 |
Waveform
The graph clearly shows the differences in levels and thus in dynamics for this track. You can clearly see the differences in volume and musical instruments impact. No compression like the Ed6.
Spectrum
The interesting features on this curve are the following:
- The accuracy of the digital here clearly shows the maximum frequency of the original master. Nothing above 20 kHz , the original master is in 44.1 kHz.
- The two curves are similar but with a small difference above 3 KHz.
Magic Vinyl vs Digital 
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