ETERAMP

If you are a real "Beatle" nº1 FAN , this app is a real must have. 10 incredible channels with all the music from the Fab Four, greatest hits, rare re …

This radio app is so unique cos it features an "ANALOG" audio converter to make it sound more real and warm, just like the good ole records, that's wh …

Now you can have the biggest TUBE AMP schematics collection on the planet in your pocket. With more than 1050 tube amp schematics and we will keep upd …

The best and worldwide famous BETERAMP TUBE BIAS CALCULATOR. This app is a 3 awards winner by the Vintage Electronics Magazine and the London Universi …