I've been using Positive Grid's Spark Neo guitar amp headphones for weeks – and it's got me playing a lot more regularly
Guitar-specific headphones meet a wireless transmitter, and it's all tied together with Positive Grid's Spark app ...
Classic FM29d
Hear the record-breaking range of German bass Ivan Rebroff, down to his earth-shuddering low F
Pavarotti’s scaled around two-and-a-half, from C3 to F5. But get a load of this German bass, stage name, Ivan Rebroff, who defied all records with his four-octave-plus range which scaled comfortably ...
GitHub29d
Low Frequency / Medium Frequency (LF/MF) Propagation Model
The LF/MF model predicts basic transmission loss in the frequency range 0.01 - 30 MHz for propagation paths over a smooth Earth and antenna heights less than 50 meters. Additional bindings to the ...