Meinl TTF-M-AR Therapy Tuning Fork - Apsidis' rotation

TTF-E-SI Therapy Tuning Fork - Sidereal Day

TTF-SA Therapy Tuning Fork - Saturn (147,85 Hz)

TTF-U Therapy Tuning Fork - Uranus

TTF-E-GEO Therapy Tuning Fork - Geomagnetic Field (149,74 Hz)

TTF-M-SY Therapy Tuning Fork - Synodic Moon

TTF-E-HY Therapy Tuning Fork - Hydrogen Gamma (157,04 Hz)

TTF-N Therapy Tuning Fork - Neptune

TTF-E-PL Therapy Tuning Fork - Platonic Year (172,06 Hz)

TTF-V Therapy Tuning Fork - Venus

TTF-CH Therapy Tuning Fork - Chiron (172,86 Hz)

TTF-M-SI Therapy Tuning Fork - Sidereal Moon

TTF-SE Therapy Tuning Fork - Sedna (181,60 Hz)

TTF-M-MCw Therapy Tuning Fork - Metonic Cycle

TTF-J Therapy Tuning Fork - Jupiter (183,58 Hz)

TTF-M-K Therapy Tuning Fork - Moon Knot

TTF-M-CU Therapy Tuning Fork - Culmination Cycle (187,61 Hz)

TTF-M-SP Therapy Tuning Fork - Saros' period

TTF-E-SY Therapy Tuning Fork - Synodic Day