http://www.futurekit.com

FUTURE KIT

FUTURE KIT

HIGH QUALITY ELECTRONIC KITS

HIGH QUALITY ELECTRONIC KIT SET FOR HOBBY & EDUCATION

R

NO.1

Figure 2.Circuit Assembling

ǧ¨Ãà¾ÒàÇÍËáÍÁ»ì OTL 30W âÁâ¹ R1%

POWER AMP. OTL 30W R1%

CODE 656 LEVEL 2

Figure 3. Installing the components

C

+

+

C .....µF

Watch the polarity!

R .....Ω

R

R

RESISTOR

ELECTROLYTICCAPACITOR

C

+

C .....µF

CERAMIC CAPACITOR

C C

Figure 1.The Power AmpOTL 30W R1%

Circuit

TRANSISTOR

TRTR

NPN

B

E

C

PNP

B

C

E

DK A DIODE

DK

A

D

K

A

TRANSISTOR

TRANSISTOR

SCREW

PC-BOARD

Heatsink

1 2

3

5

++ +

+

+

+

+

+

+

6 4

IN+ -+ -OUT12V

+ -50V + -SP

SPEAKER

FK656SUPPLY TO

TONE CONTROL

+ G

DANGERMains voltage

FUSE

SWON/OFF

AC IN

TRANSFORMER 1.5A.

3300

µF

1N5401x2

31 031

SIGNALIN

+ G