RK RKAmp2, Component List And Instructions, Page: 1 / 4

RKAmp2 2.5+2.5W Audio Amplifier Component List and Instructions
The RKAmp2 stereo amplifier PCB has been designed around the TEA2025B 2 x 2.5 Watt stereo
amplifier I.C.
The sound signal is inputted into the circuit via a 3.5mm stereo socket
The amplifier has 2 channels of up to 2.5 Watts per channel
Produces a very high quality sound output
The PCB includes a power switch
The PCB includes a power LED
The PCB uses terminal blocks
Battery powered between 4.5V and 12V
Power is inputted to the PCB via a terminal block or jack socket
Compact design
Low cost
The PCB is a high quality double sided black PCB
A large ground plane is used to aid with dissipating heat
Component List
C1 – 1000uF 16VDC electrolytic radial capacitor
C2 – 100nF capacitor (tall green capacitor marked 104, non-polarised)
C3 ~ C7 – 100uF 16VDC electrolytic radial capacitor
C8, C9 – 470uF 16VDC electrolytic radial capacitor
C10, C11 – 100nF capacitor (tall green capacitor marked 104, non-polarised)
C12, C13 – 10nF capacitor (small cream box capacitors, non-polarised)
C14, C15 – 2.2uF electrolytic capacitor
D1, D2 – 1N4001
D3 – LED, green 3mm
IC1 – TEA2025B stereo amplifier I.C.
J1 – PCB mount 3.5mm stereo connector
J2 – 2.1mm DC socket
J3 ~ J5 (PWR, LEFT & RIGHT)– 2 way 5mm terminal blocks
R1 – 1k (brown black red)
R2, R3 – 330R (orange orange brown)
R4, R5 – 1R (brown black gold)
R6, R7 – 1k (brown black red)
R8, R9 – 10k (brown black orange)
R10, R11 – 3k3 (orange orange red)
SW1 – ultra miniature slide switch