27:32:40:48
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| Harmonics | 27:32:40:48 |
| Subharmonics | 1/(160:135:108:90) |
| Intervals from root | 1/1 – 32/27 – 40/27 – 16/9 |
| Cents from root | 0¢ 294¢ 680¢ 996¢ |
| Step intervals | 32/27, 5/4, 6/5 |
| Step cents | 294¢, 386¢, 316¢ |
| Prime limit | 5 |
| Genus | 33 ⋅ 5 (135) |
| Intervallic odd limit | 27 |
| Otonal odd limit | 27 |
| Utonal odd limit | 135 |
27:32:40:48 is a minor seventh chord found on the ii (5⁄4) of Ptolemy's intense diatonic scale (Zarlino), perhaps the most common 5-limit diatonic. It is the only seventh chord in that scale to contain both a 40/27 grave fifth and a 3/2 perfect fifth.
The meantone tuning of this chord is equivalent to the meantone tuning of 10:12:15:18.