This is a class AB dual hi-fi audio power amplifier designed for quality stereo applications. It has a minimum of external components. This is the data book test circuit. It gives excellent sound. The supply voltage range for this kit is 8V to 22V.
Each channel is capable of delivering 10 watts into 4 ohm speakers using a 24Vdc supply voltage. Dimensions = 79mm x 50mm
The kit is constructed on single-sided printed circuit boards.
Operation: The maximum supply voltage for this kit is 28V.$39.95, shipping included in the USA.
Telephone recording. An automatic$39.95, shipping included in the USA.
recording will be made every time the receiver
is lifted. Suitable for all models, including
extensions. The kits attaches to your telephone line, and a cassette tape recorder.
An electric guitar cannot be connected to just any amplifier or audio installation. This pre-amplifier has been designed to solve this problem and provides you at the same time with a headphones output, allowing you to practice without making a sound. Moreover, it is fitted with a special device for tone adjustment, allowing anyone to create their personal sound.
When you need to irritate someone, it's time you get serious about it and build our Irritator Kit. Not only does this kit produce a very irritating pulsating noise, but it also produces a very irritating pulsating ultra-bright red light. Kit features a unique slide control for adjusting the speed at which you want to irritate (slow to fast speeds). Uses IC circuitry, 2 jumbo ultra-bright red LEDs and giant piezo speaker. Fun to build and use - be the first to irritate your friends. At night, this kit is especially effective! Operates on one 9V battery (not included). Size of PC board: 4.75" x 2.19". Complete with all parts, PC board and instructions. $39.95, shipping included in the USA.
MK140 is a kit of parts containing the PCB and parts. Assembly required. Tools needed: Low heat soldering iron, resin core solder, clippers and small screw driver. LEVEL: BEGINNER $49.95, shipping included in the USA.
Universal low-noise stereo pre-amplifier
* Frequency range: 40 Hz - 30kHz (3 dB) * Gain: 40 dB * Max. input voltage: 50 mV * Adjustable output voltage * Power supply: 10 - 30VDC/ 5 mA * PCB dimensions: 44 x 65mm *
$39.95, shipping included in the USA.