Amplifier of acoustic frequencies with preamplifier
TECHNICAL CHARACTERISTICS:
Tendency of catering: 15V
Force of expense: 4,2Wrms in the 4W
Minimal signal of entry: 94mVp-p with preamplifier, 0,65Vp-p without the preamplifier.
Materially:
R1 | 2,2KW |
R2 | 330KW |
R3 | 4,7KW logarithmic potentiometer |
R4 | 330W |
R5 | 1KW |
R6 | 1,5W |
C1, C6 | 100nF polyester |
C2 | 100mF/25V ilektrolytjko's |
C3, C7 | 1mF/25V electrolytic |
C4 | 1000uF/25V electrolytic |
C5 | 10uF/25V electrolytic |
Q1 | BC547 |
U1 | TDA2002 |
LS1 | Loudspeaker. |
Notes:
Proportionally the resistance of loudspeaker changes the force that it can give the amplifier:
LS1 | Force of expense |
2W | 6,5Wrms |
4W | 4,2Wrms |
6W | 3Wrms |
8W | 2,25Wrms |
Title: Amplifier of acoustic frequencies with preamplifier
electronic circuit
Source: www.electronics-lab.com
Published on: 2005-02-01
Reads: 1344
Print version:
Other electronic circuits and schematics from Audio
-
FET Audio Mixer
-
Loudspeaker Test Box
-
Infrared Head Phones
-
10W Audio Amplifier with Bass-boost
-
100W RMS Amplifier
-
100W Audio Amplifier
-
Add on Stereo Channel Selector
-
16w Bridge Amplifier
-
18W Audio Amplifier
-
5 band graphic equalizer using a single IC/chip