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Total solder points: 44
Skill level :
Beginner 1o 2þ 3o 4o 5o Advanced
K2637
SUPER MINI 2.5W AUDIO POWER AMPLIFIER
Specifications :
þ Max. output power : 2.5W (4Ω /12V)
þ Frequency response : 60Hz - 15KHz
þ Input sensitivity : 20-150mV selectable
þ Thermal and short circuit protection
þ Power supply : 4.5 - 15VDC /400mA
þ Quiescent current : 12mA
Dimensions : 42x32mm (1.65"x1.25")
þ
modifications reserved
Applications :
þ Small but powerful multi-purpose amplifier
þ For use with portable audio equipment
þ Power amplifier for audio projects
þ In-car use
Your own unique application
þ
MANUAL
Manual
H2637-ED1
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Summary of Contents for Velleman-Kit K2637
- Page 1 Total solder points: 44 Skill level : Beginner 1o 2þ 3o 4o 5o Advanced K2637 SUPER MINI 2.5W AUDIO POWER AMPLIFIER Manual Specifications : þ Max. output power : 2.5W (4Ω /12V) þ Frequency response : 60Hz - 15KHz þ Input sensitivity : 20-150mV selectable þ...
- Page 2 COLOR= 2… 5 4K7= ( 4 - 7 - 2 - B ) 4K7= ( 4 - 7 - 0 - 1 - 1 ) KLEUR CODICE CODIGO CODIGO VÄRI FÄRG FARVE FARGE FARB COLOUR CODIFI- CODE CATION KODE DE COL- SCHEMA COLORE KOODI...
- Page 3 __________________________________________________________________________________________________________________________________________________________ 1. Assembly (Skipping this can lead to troubles ! ) Ok, so we have your attention. These hints will help you to make this project successful. Read them carefully. 1.1 Make sure you have the right tools: • A good quality soldering iron (25-40W) with a small tip.
- Page 4 _______________________________________________________________________________________________________________________________________________________ 1. RESISTORS 3. CAPACITORS R... C... q R1 : 330K (3 - 3 - 4 - B) q R2 : 5K6 (5 - 6 - 2 - B) q C3 : 100pF (101) q R3 : 4E7 (4 - 7 - B - B) q C4 : 100nF (0.1µF;...
- Page 5 __________________________________________________________________________________________________________________________________________________________ 7. CONNECTION EXAMPLE LOW LEVEL INPUT 4/8 OHM SPEAKER 4.5 .. 15VDC JUMPER Dynamic microphone 8. CONNECTION EXAMPLE HIGH LEVEL INPUT 4/8 OHM SPEAKER CD PLAYER TAPE RECORDER VIDEO RECORDER COMPUTER … 4.5 .. 15VDC NO JUMPER VOLUME 47K ohm log...
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Page 6: Pcb Layout
_______________________________________________________________________________________________________________________________________________________ 9. PCB LAYOUT 10. DIAGRAM...