Working, probably needing calibration to be completely accurate, but great for sci-fi swoops and drones.
For Schumann Wave Signal Generator SW 88 7.83Hz Sine Output 140x100x30mm Size
6m Right Angle Jack to Straight Jack Guitar Audio Signal Leads Colour Options
Healflux Custom Frequency Generator V2, Schumann Resonance Generator
Trumpet -signal horn, gold-plated signal horn - pocket trumpet brass instruments | Toy Trumpet Gold, Band and Orchestral Music Instruments for school bands, performances in a festival atmosphere
Vintage Signal Horn Martin Horn Shawm Multi Sound Martin Signal Horn 60 cm
Cavalry Trumpet Brass, Brass Signal Horn | Taps Signal Horn - Toy Trumpet Gold, Musical Instruments for Band and Orchestra, Fashionable Cavalry Trumpet for Orchestra
