Power amp - 2 x 35W (RMS) Hybrid Stereo Power Amplifier with Power Supply (Fully Assembled)

A complete high power, high quality, low noise stereo audio power amplifier based around the Hybrid IC STK4413. The circuit incorporates PC board mounted volume and balance controls and has a maximum music output power of 55W per channel. The circuit incorporates an on-board power supply as well as a large heat sink. Supply voltage: 30 � 42V AC @ 3A.

A digital customer turn display unit that is ideal for use in busy shops or offices in need of displaying next customer's turn. Each time the hand-held switch is pressed, the display will count up to show the next turn and a Ding Dong sound will be produced twice to notify the customers. The circuit includes a reset switch and an automatic count up switch. Supply voltage: 9V DC @ 300mA. Recommended power supply: Kit CK341V12 / UK341V12.

Very reliable, from 2 ma. to 3 Amps.