Power 100 W "ST151"
(1/1)
speeddiy:
ST151
100w-RMS audio power amplifier
Supply voltage: +/-40Vdc
Output power - RMS (4Ohm): 100W
Output power - RMS (8Ohm): 60W
Frequency response (100W-4Ohm): 20Hz-20KHz (-0.5dB)
THD (100W-4Ohm, 20Hz-20kHz) < 0.1%
THD (100W-4Ohm, 1kHz) < 0.01%
Input sensitivity (100W-4Ohm): 1Vrms
Input impedance (1kHz): 10kOhm
DC offset: max. +/-10mV
Quiescent current (adjusted with P1): 10mA (3.3mVdc on R14)
Suggested power supply (for one channel):
- 2×28V-AC (loaded voltage) 160VA mains transformer
- 10A-200V rectifier bridge
- 10.000uF 50V ELKO / supply rail
Parts list (for one channel)
Resistor
0.33 5W ×4
6.8 2W ×1
47 0.5W ×1
100 0.5W ×3
220 0.5W ×2
470 0.5W ×1
680 0.5W ×1
820 0.5W ×2
2.2k 0.5W ×1
3.3k 0.5W ×2
6.8k 0.5W ×2
12k 0.5W ×1
15k 0.5W ×2
Capacitor
47p 50V ×2
470p 50V ×2
10n 63V MKT ×2
100n 63V MKT ×3
220n 100V MKT ×1
3.3u 50V ELKO (or 16V tantalum) ×1
47u 50V ELKO ×2
100u 16V ELKO ×1
Diode
1N4148 ×6
1N4003 ×2
Transistor
BC547 ×4
BC557 ×1
BD139 ×3
BD140 ×2
BD249C (or TIP35C) ×2
BD250C (or TIP36C) ×2
Other
1k trimmpot (6mm horizontal) ×1
4A fast-blow fuse ×2
fuse holder ×2
speeddiy:
...
speeddiy:
by
www.diyaudio.com
http://www.diyaudio.com/forums/showthread.php?s=&threadid=100907&perpage=20&pagenumber=1
rittichai.l.:
อ่านอยากมากเลย.............. :(
pichetchamp:
:D :D
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