18 Watt Audio Amplifier circuit diagram

18 Watt Audio Amplifier circuit diagram

Amplifier parts:
P1____22K Log. Potentiometer (Dual-gang for stereo)
R1___1K 1/4W Resistor
R2___4K7 1/4W Resistor
R3___100R 1/4W Resistor
R4___4K7 1/4W Resistor
R5___82K 1/4W Resistor
R6___10R 1/2W Resistor
R7___R22 4W Resistor (wirewound)
R8___1K 1/2W Trimmer Cermet (optional)
C1___470nF 63V Polyester Capacitor
C2,C5___100µF 3V Tantalum bead Capacitors
C3,C4___470µF 25V Electrolytic Capacitors
C6___100nF 63V Polyester Capacitor
D1___1N4148 75V 150mA Diode
IC1___TLE2141C Low noise, high voltage, high slew-rate Op-amp
Q1___BC182 50V 100mA NPN Transistor
Q2___BC212 50V 100mA PNP Transistor
Q3___TIP42A 60V 6A PNP Transistor
Q4___TIP41A 60V 6A NPN Transistor
J1___RCA audio input socket

Line Level Stereo Output on Genesis

I am planning on doing an s-video and rca jack mod on my Genesis. The mods I see done seem to all use the headphone jack as the source of the stereo sound. Is this the only way? I would prefer to have the output not be controlled by the volume slider. Is it possible to tap the signals before they go to the amp and route them to my own (fixed-gain) amp? Any help/advice is much appreciated.. visit page.

 Line Level Stereo Output on Genesis

DIY Micromitter Stereo FM Transmitter

This new stereo FM Micromitter is capable of broadcasting good quality signals over a range of about 20 metres. It`s ideal for broadcasting music from a CD player or from any other source so that it can be picked up in another location. For example, if you don`t have a CD player in you car, you can use the Micromitter to broadcast signals from a p visit page.

DIY Micromitter Stereo FM Transmitter

20 Watts Car Stereo Amplifier

The main features of this powerful MULTIWATT Package (a trademark of SGS-THOMSON Microelectronics), a power amplifier IC chips designed specifically for car radio application, are the high current capability (3. 5A) and the capability to drive a very low impedance (down to 1. 6R). Here is the schematic diagram of the standard circuit as shown in it visit page. via next.gr

20 Watts Car Stereo Amplifier

Stereo stk013 audio amplifier circuit

On the amplifier circuit using ic STK, the same as my previous posting. However, in the above circuit has 2 inputs and 2 outputs, or commonly called a stereo amplifier. This issue of power amplifier 2 x 18Watt and has impedance 8. To stress that it takes about 35-38Volt. visit page.

Stereo stk013 audio amplifier circuit

Stereo preamplifier with tone control

Here is the circuit diagram of an excellent stereo preamplifier with tone control using the IC TDA1524 from Phillips. The IC requires very few external components, has very low noise and has a wide power supply voltage range. POTs R1 to R4 can be used for controlling the volume, balance, bass and treble respectively. LED is D1 is a power ON indica visit page.

 Stereo preamplifier with tone control   

High-Performance 12V 20W Stereo Amplifier

Amplifiers which run from 12V DC generally don`t put out much power and they are usually not hifi as well. But this little stereo amplifier ticks the power and low distortion boxes. With a 14. 4V supply, it will deliver 20 watts per channel into 4-ohm loads at clipping while harmonic distortion at lower power levels is typically less than 0. 03%.  visit page. via next.gr

High-Performance 12V 20W Stereo Amplifier