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2-Way Active Loudspeaker gr

2017-12-21 17:08  
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2-Way Active Loudspeaker

2_way_active_loudspeaker_1.gif (39333 bytes)

   ?? ?????? ????? ????? ????? ????????????? ?? ????? ?? ?? ???? ????? ??? ????????????? ???????? ????? ??? ??? ????????? ??? ????????? ??????????? ??? ??????????. ???? ????????? ??? ??????? ?????? ?????? , ?????????, ?????????? ?????? ??????????, ????? ???? ???????? ????????? ??? ???? ??? ?????? ????????. ?? ??? ????? ??????????? ?????? ?????, ? ???????? ??? ???? ????? ???? ???????? ??? ?? ????????????? ???? ???????, ?????? ??? ???????????? ????? ??? ???????? ???? ?????? ??? ???????,. ???? ???????? ???????? ???? ?????? ??? ??????? ????? ???? ????? ???? ??? ????? ???? ????? ?????????. ???? ??? ???????? ??? ??? ???? ??????????? ???????? ????? ??? ????? ????, ???? ??? ???????? ??? ??? ??????. ???????? ??? ?????? ????? ????? ?????? ??? ??????? ???? ?????????. ??? [Fig.1], ??????? ??? ??????? ??????? ?????? 2 ?????? . ???? ???????? ??? ??? Block ????????? [Fig.2], ??????? ??? ???????? crossover 2 ?????? ?? ????????? ??????????? fc=3100HZ -24dB/oct. ? ????????? ???? ??????????, ????? ????? ????? ???? ????????? ??????????? ?????? ????????? ??? ????????, ?????? ???? ?? ??????? ??? ?? ???????????? ???? ???? ??? ??????? ?????????, ????? ?? ??????????????? ???? ?????? ??? ???? ??? ??? ?????????? [Fig.3]. ?? IC1 ????? ??? ?????????? ???????, ?? ?????? ???? ??? ?? IC2 ??????????? ??? ????????? ?????? ??????????, ??? ?????????? ????? ??? Fc=3100HZ, ???????? ?? ????? ???? ??? ?? IC3 ??????????? ??? ??????????? ??????, ??? ?????????? ???? ??? 3100HZ. ?? ?? ??????? TR1 ???? ?????? ??? ?????? ?????????? ???????? ?? ????????????, ?? ??????????, ??? ?????? ?????? ??? ??? ?????????. ??????? ?? ????????? ?? ??????????? ???? 10% ??? ?????? ??? tweeter ?? ????? ?? ?? woofer. ?? ????? ?????? ??? ??????? ???????? ???????? ??? ??????????? ??? ??? ????????????????, ???? ????? ???? ??? ??????????? ???????, ?? ??? ???? ????????? ???????????, ???? ?? R6-10 ??? ??? ????????????????. ??? ??????? ?????? ?? ??? ?????? ??? ??????? ?????????? ????? ??? ????????? ??????, ??? IC4 ??? ??? ?????? ?????????? ??? ??? IC5 ??? ??? ???????. ???? ????? ??? ???????? ???????????? ??? Sanyo ?????? ?????? 80W/8ohms ?? ???? ???? ?????????????? ??? ???. ?????? ?? ????? ?????? ?? ???? ???? ??? ?????? ???? STK4036, STK4038, STK4040, ?? ??????? ??????????? ??? ??????????? ??????. ? ???????????? ????? ??????????????? ?? ??????? ??????????? ??????? ?????? ?? ???? ???? ????????????. ???? ????? ?? ?????????????? ? ????? STK4042XI, ????? ???? ??? ???????? ????????? ????????, ?? ????? ?? ??? ???? STK4042II. ?? ?????? RLF1-2 ???? ????? ??? ????????? ???????????? ??? ??? ????????? R27 ? R38 ??? ??? ????? ????????? ???? ??? ????, ?? ????? ????????. ?? ????? ?????????? ?? 25 ??? 30 ??????? ???????? ????????, ????????? 1mm. ???? ????? ??? ????????? ???????? ?? ?????? ??? relay RL1 ? ?????? ????????? ??? ?? ??????? ?????????? ??? DC ??? ????????????. ???? ?? ??????? ????????? ???? ??? ?? IC6 ??? ????????? ?? ????: ???? ?? ??????? ????????????? ??? ???? ??????? ??? ??????????? 5 sec ???? ??????? ??? ?????? ????? ???? ??????? ??? ????????? ?? ?????????? ?? ??? ?????????? ?? ??????? ???????? ??? ????????. ???????? ???? ?????????? ??? ?????????? ??? ?????????? ???? ?? RL1 ?????????? ???? ??????? ?? ????? ??? ???? ?????????, ?? ?????????? ?? ??? ????????? ? ??????? ?????????? ??? ????????. ????????? ?? ??????? ??????????? ?? ???????? ??? ???????? ??????, ??? ?? ????????????? ??? ??????????? ????, ???? ????? ??? ????????? ??????, ?????????? ??? ?????? ??? RL1 ??? ?????????????, ???? ??????? ?? ????????. ? ?????????? ??? ?????????? ?????????? ??????? ??????? ??? ?? Led [D20], ?? ????? ?? ?????? ?? ??????????? ?? ??????? ?????? ??? ????? ??? ??????. ? ????????????? ???????? ??? Fig.2. ? ??????????????? ??????????? ????? ???????? ????? ?????????. ? ????? ???????, ? ??????, ? ??????????????? ???????????, ? ?????? ????????? BR1, ????? ?????? ??? ?? ????? ??? ????????? ????? ???????? ????????????? ?? ??? ??????? ?????????? ?????????? ?????????? ?? ????? ????????????? ???? ????????? ??? ??????? ??? ?????? ??? ???????????? ???? ???? ?????? ??? ???????. ?? ??? ??????? ????????? IC4 ??? IC5 ?????????? ????? ???? ????? ??? ???????. ? ???????? ??????? ??? ?????? ????????? ????? ??? ?? ?????????????? ??? ??????? Tweeter ??? Woofer ??? ?? ??????????????? ?? ????, ????? ?????? ??? ??? ???????? ??? ??? ???????? ??? ???????. ??? ????? ????????????? ??? ???? ??? tweeter ?? T33A ??? woofer ?? B200G ??? KEF.

Part List

R1-21-32-25-36-58=1 KohmsC19-20-52=10uF 25VIC1=TL071
R2=47 KohmsC21-35=470pFIC2-3=TL072-NE5532
R3-4-5-7-8-9-46=22 KohmsC22-36=470nF 63V MKTIC4-5=SKT4042[XI] or [II]*See text
R6-10=N.C *See textC24-25-26-38-39-40=100pFIC6=4093
R11........18=22 KohmsC27-41=10pFIC7=7812T
R19-20=47 ohmsC28-42=100nF 100V MKTIC8=7815T
R22-33=33 KohmsC29-43=1nF 63V MKTIC9=7915T
R23-24-34-35=100 ohmsC30-34-44-48=100uF 63VRL1=Relay 12V [G2R2 Omron]
R26-37=0.22 ohms 5WC31-45=220uF 25VRLF1-2=*See text
R27-38=10 ohms 3WC32-33-46-47=10uF 63VF1-2-3-4=1.6A FAST 5X20mm
R28-39=6.8 ohmsC49=47uF 25VF5=1A SLOW 5X20mm[Fig.2]
R29-40=12 KohmsC50-51=100nF 63V MKTT1=220V//A=2X30V   250VA

              B=2X15V   30VA [Toroidal]

R30-41-53-54=10 KohmsC53=1uF 25V
R31-45=560 ohmsC54=3.3uF 25V
R44-45=1 MohmsC55-56-58-59=33uF 63VJF1=3pin male supply jack
R47=39 KohmsC57-60=22uF 16VJF2=Female RCA Jack
R48-50=15 KohmsC61-62=15000uF 63V AXIALJ1-3=2pin conn. with 2.54mm pin step
R49-51-52-55=56 KohmsC63-64=2200uF 25V AXIALJ2=3pin conn. with 2.54mm pin step
R56-57=3.9 KohmsC65-66-67-68=100nF 63V MKTJ4=3pin conn. with 3.96mm pin step
R43=470 ohms 1WQ1=BD679J5=4pin conn. with 3.96mm pin step
TR1=47 Kohms trimmer horizontalQ2-3=BC550T=Tweeter 8ohms 50 until 80W
C1-22-36-23-37=1uF 63V MKTD1-2-3-4=1N4002W=Woofer 8ohms 50 until 100W
C2=390pFD5=8.2V 0.5W ZenerBR1=Bridge rect. 400V 25A [Fig.2]* See text
C3-4-7-8-14-15=100nF 63V MKTD6=1N4148BR2=Bridge rect. 100V 1.5A
C5-6-9-10-11-12=3.3nF 63V MKT* See textD7.....19=1N4148All resistors is 0.5W 1% metal film except for announce differently
C13-16-17-18=3.3nF 63V MKT*See textD20=5mm LED [Fig.2]

2_way_active_loudspeaker_block.gif (15631 bytes)

SPECIFICATIONS
Input sensitivity1.1Vrms
Input impedance47K
Output Power  (0.1% THD)150W total
Frequency crossover3100HZ
slope-24dB/oct

2_way_active_loudspeaker_3.gif (6540 bytes)

Fig.3--Crossover calculation

 

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