Demonstration Echo processor UR6QW with IC-7300 – YouTube
The device represents a board the sizes 35x30x10mm (1.4×1.2×0.4 inc). The small sizes allow to set a board directly in the casing of a hand mike.
A basis is PT2399 chip. It is ATsP/TsAP with sampling rate 44K. Delay period minimum – 30ms, maximum – 350ms. Also on an input of the device there is a microphone amplifier on low-noise NE5532.
Works with electret and dynamic microphones without alterations of the diagram.
Technical data:
Microphone low noise amplifier with function echo
Delay period minimum – 30ms
Delay period maximum – 350ms
Microphone level pot
Supply voltage 8 – 15V
Size 30 mm x 30 mm x 10 mm (1.4 x 1.2 x 0.4 inc)
Weight – 9g
Ships to Worldwide from Airmail with trucking.
After the package left Ukraine. The shipping is safe and fast. Usually it takes up to 14 – 45 days but it can be more or less delivery time depending on how quickly the package goes through Customs.
