AMPLIFICADOR DE POTENCIA DE 25W

lista de componentes:

R1	301R 0.25 W 1%	C1	1uF / 63 V MKT (2 - 4 modul)
R2	10k0 0.25 W 1%	C2	1nF / 63 V MKT (2 - 4 modul)
R3	1k96 0.25 W 1%	C3	220uF / 10 V E-Lyt. (1 modul)
R4	100R 0.25 W 1%	C4	100uF / 35 V E-Lyt. (2 modul)
R5	100R 0.25 W 1%	C5	560pF - 680pF / 63 V MKT (2 - 4 modul)
R6	348R 0.25 W 1%	C6	100nF Polyester (2 - 4 modul)
R7	301R 0.25 W 1%	C7	100uF / 35 V E-Lyt. (2 modul)
R8	5k62 0.25 W 1%	C8	100uF / 10 V E-Lyt. (1 modul)
R9	5k62 0.25 W 1%	C9	220uF / 35 V E-Lyt. (2 modul)
R10	649R 0.25 W 1%	C10	220uF / 35 V 100uF / 25 V E-Lyt. (2 modul) (2 modul)
R11	20k5 0.25 W 1%	C11	220uF / 35 V E-Lyt. (2 modul)
R12	Not used.	C12	220uF / 35 V E-Lyt. (2 modul)
R13	1K00 0.25 W 1%	C13	10nF Polyester(2 - 4 modul)
R14	68R1 0.25 W 1%	C14	100nF Polyester (2 - 4 modul)
R15	10k0 0.25 W 1%	C15	100nF Polyester (2 - 4 modul)
R16	619R 0.25 W 1%	C16	100nF Polyester (2 - 4 modul)
R17	220R 0.25 W 1%	C17	100nF Polyester (2 - 4 modul)
R18	220R 220R 0.25 W 1%	C18	2200 or 3300 uF / 35 V E-Lyt. (2 - 3 modul)
R19	34R8 220R 0.25 W 1%	C19	2200 or 3300 uF / 35 V E-Lyt. (2 - 3 modul)
R20	34R8 220R 0.25 W 1%	C20	220uF / 10 V E-Lyt. (1 modul)
R21	0R1 5W	C21	100nF Polyester (2 - 4 modul)
R22	0R1 5W
R23	2R2 5W
R24	10R 2W	D1	1N4148
		D2	1N4148
		D3	6.2 V Zenner Dioded
P1	200R Multiturn Pot (Bourns 3296Y)	D4	5 A DiodeBridge (+ ~ ~ -) (3* 2 module on a line)
P2	1K Multiturn Pot (Bourns 3296Y)
		L1	10uH (10 vindings round R17)
Q1	BC550B	TR1	2 x 18V, 100 VA or more.
Q2	BC550B
Q3	BC550B	F1	5 A Slow blow
Q4	BC550B	F2	5 A Slow blow
Q5	BC556B	F3	0.5 A Slow blow
Q6	Not used.
Q7	BC556B	3 fuse holders
Q8	BD139
Q9	BC546B
Q10	BD139
Q11	BD140	Heat Sink	Just use a pice of aluminium (10 cm * 20 cm * 3 mm)
Q12	BD250 (alt. TIP36 / TIP2955)
Q13	BD249 (alt. TIP35 / TIP3055)

circuito impreso y disposicion de componentes:

todo sobre el diseño en :

http://members.hometown.aol.com/_ht_a/lmdmkm/25w/25wamp.htm