Autoformer Volume Control AF-28PC/PB

The AF-28 – an introduction  The AF-28 is a high performance core component for a magnetic volume control. It is a multi tapped autoformer designed to be used with a 28 position switch or with relays in order to create a piece of equipment. It is not a complete product ready for use in an audio system.  The primary application is inRead More

CRESCENDO HORN RIBBON SPEAKER MANUAL

CRESCENDO INTRODUCTION High  Efficiency in a reasonable size,  with good bandwidth  and rich sound. SET friendly. Unfortunately  horns  with  any  bandwidth  are  the  size  of  a fridge.  So we have developed a horn ribbon based system which achieves our goals. The  wide band horn ribbon  covers from about 600hz to 23khz. The special carbon fiber reinforcedRead More

TVC THEORY AND APPLICATION

Magnetic Volume Control The TVC is a high performance magnetic volume control. It is a raw transformer requiring to be used with a suitable 20 position switch or with suitable relays in the context of a suitable piece of equipment. It is not a finished product ready for use in an audio system.   TheRead More