Multi-Track - Inventions by Roger Tolces from the 1970s- Advanced Electronic Security Company

MULTI-TRACK PROFESSIONAL RECORDING SYSTEMS
Roger's Inventions From Back In The 1970's

Flyers containing application information, specifications and operational information

	MULTI-TRACK Series "B" Professional Modular Audio Recording Systems Here is the mixing console series that fills the hole in the pro audio market. Front Page 1 Center Pages 2 and 3 Rear Page 4
	MULTI-TRACK Vari-Band PARAMETERIC EQUALIZER Multi-Track in June of 1973 introduced the first low cost Parameteric Equalizer and many have been in use in recording studios and radio/television stations all over the world. Front Page 1 Page 2 Page 3 Rear Page 4
	MULTI-TRACK DUAL ANALOG DELAY LINE This is the first audio delay line using charge coupled devices. Front Page 1 Rear Page 2
	MULTI-TRACK DUAL EQUALIZED REVERB UNIT The first low-cost equalized spring reverberation system. Front Page 1 Rear Page 2