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3 Way Active Loudspeaker gr

2017-12-21 20:42  
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3-Way Active Loudspeaker

3_way_active_lsp_crossover.gif (13294 bytes)

???? ?? ?????????????? ?????? 2 ??????, ???? ??? ?????? ??????? ??? ???????????? ????? ???? ??????? ?????? 3 ??????. ? ??????? ??? ????????? ?? ????? ??? ????, ????? ?? ???????????? ??????? ???? ??? ?????????? ?? ???????? ?????? ?? ??????????? ???????? ??? ????????. ? ??????? ??? ?????,   ????? ??? crossover 3 ?????? ??????????????? Butterworth ?? ?????????? ?????? 200?? ??? 3500??, ?? ????? ?12dB/oct. ?? ?????????? ????? ??????? ?? ???????? ??? ?? ????????????? ???? ???? ??? ??????? ????????? , ??????????????? ???? ?????? ??????????? ???Fig.5. ??????? ? ?????????? ?? ?????????????? ???? ??????? crossover ???? ?? ??????? ???????crossover 3 ?????? ?? ????? ?24dB/oct. ?? ??????? ??? ???????? ??? ??????? ????? ???? ????? ???????, ???? ??????????? ?? ???? ???? ??? ???????? J2A ?? ????? ??????????? ????? ??? J2B. ???? ?????? ?? ????? ??? ???? ???? ??? J2A ??????????? ??? ????????? ?? 8 pin ??? ? ??????? ??? crossover ?????????? ????? ??? ????? ??????? ?? ????? ?????????. ?????? ???? ?? ??????????? ?? ???? ?????? ??? ?? ??? flat ??????? ?? ??????????? ?? ?????? ??? ??? ?????????? ??? ?? J2A ??? J2B. ?? ????????????15V ??? ?????????? ??? crossover ????????? ???? ????? ???????. ??? ?????? ??? ???? ?? ?????? ????? ??????? ?? ??? ???????? ???? ???????? ??? ????? ??????????? ??? ??????????? ????? ??????????? ??? ????????. ????? ?????? ????, ?? ? ???? ???? ?????? ??? ??????? ?? ???????? ???? ?? ?????????? ??? ????????? ??? ?? ??? ????? ???? ????? ???? ????????? ??? ?????????? ?? ??????? ?? ???? ??? ??? ???? ?????, ???? ? ???????? ?? ????? ? ????. ??? ?????? ???????? ?????????? ?????????? ???????????, ??? ??????? ??? ????? ??? ???????????????? ??? ??? ???????????. ?? ?? TR1-2 ?????????? ??? ?????? ??? ?????????, ??? ?????????.

Part List[Fig.1]

R1=47KohmsR19-20=47ohmsC17-18=47uF 25V
R2=1KohmsC1=2.2uF 63V MKTTR1-2=47Kohms trimmer
R3=4.7KohmsC2=220pFIC1=TL071
R4-11-13-15-17=NCC3-4-11-12=100nF 63V MKTIC2-3=TL072-NE5532
R5-6=12KohmsC5-6-9-10=10nF 63V MKTJ1=2pin conn. 2.54mm pin step
R7-8=120KohmsC13=6.8nF 63V MKTJ2A=8pin conn. 2.54mm pin step
R9-10=220KohmsC14=3.3nF 63V MKTor 8 pinhead 2.54mm pin step*
R12-14=10KohmsC15=33nF 63V MKT
R6-18=33KohmsC16=18nF 63V MKTAll Resistors is 1/4W 1%

Typical specifications

Input sensitivity

1Vrms

Input impedance

47K

High Pass filter

20HZ-:-200HZ

Band Pass filter

200HZ-:-3500HZ

Low Pass filter

3500HZ-:-20KHZ

Slope

-12dB/oct

3_way_active_lsp_protection.gif (21482 bytes)

?? ??????? [Fig.2] ?????????? ??? ???????? ?????? ??? ???????????? ???????? ??? ??????, ????? ?? ???? ?? ???? ??? ??????? ????????? ????? 2 ??????, ???? ??????? ??? ? ??????? ?????????. ???????? ??????? ????????, ???? ????????? ????? ??? ?????? ?????????? ???????? ????? ??? ??? ???? [RL2]. ?? ?????? ??? RL1 ???????? ?? ????? ??? ?????? ??? ??????? ??????????, ????? ???????????? ????????? IC5-6, ???????? ?? ??? ?????? ??? RL2 ?????????? ????????? ??? ???????? ?? ???????? ??? ??????? ?????????? ???? ????? ??? IC7. ??? ??????? ??? ?? ????? ????????????15V ??? ?? crossover ??? ??????? ??? ???? ??????? ????? ?????????? crossover.

Part List[Fig.2]

R1=470ohms 1WC4=10uF 25VIC1=4093
R2-3=1MohmsC5=1uF 25VIC2=7812
R4=22KohmsC6=4.7uF 25VIC3=7815
R5-21=33KohmsC7-8-10-11-13-14=33uF 63VIC4=7915
R6-8-16=15KohmsC9-12-15=22uF 16VQ1-2=BD678
R7-9-17=56KohmsC16-17=2200uF 25VQ3-4-5=BC550C
R10-23-18=56KohmsC22-23=10uF 25VRL1-2=12V RELAY G2R2 [OMRON]
R11-12-19=10KohmsD1-2-3-4=1N4002J2B=8pin conn. 2.54mm pin step
R14-15-20=3.9KohmsD5=8.2V 1W ZenerJ3B=3pin conn. 2.54mm pin step
R22=1KohmsD6-7.....26=1N4148J8A-B=2pin conn. 2.54mm pin step male-female
C1=100uF 25VD27=Led 5mm
C2-3-18-19-20-21=100nF 63V MKTBR2=BRIDGE RECT. 80V 1.5AAll Resistors is 1/4W 1-5%

3_way_active_lsp_power.gif (30880 bytes)

???Fig.3, ??????? ?? ??????? ??? ??????? ????????? ??? ??????? ?? ?????????? ????????. ? ??????? ????? ??? ??? ??STK4044XI??? SANYO ?? ???? ?????? ??????? 100W ?? ??????, ????? ??? ????? ??? ????? ???? ???? ??? ?? ??????? ??? ?????????? ??? ????????? ??? ???????? ?? ?????? ???????. ? ???????? ??? ???? ??? ???????? ????? ???? ????. ? ??????? ??? ????? ?? ??? ???????XI????? ?????? ???? ???????? ??? ??? ???????? ????????? ????????, ?? ????? ?? ???? ??????II???V. ??????? ???? ?? ??????????????? ??? ?? ????? ????? [V???II] ????? ?? ??????? ?????? ????????. ?? ?????? RLF1?3 ??????????? ??? ??? ????????? 10R 3W, ??? ???? ??? ????????? ??????? 30 ??????? ?? ????? ???????? , ???????? ???????? ?????????, ????????? 1mm. ?? ???????? C66?.69 ????????????? ????? ???? ????? ??????? ??? ????? ????? ????????? ??????.

Part List[Fig.2]

R23-33-43-32-42-52=1KohmsRLF1...3=FILTER* See textC32-46-50=1nF 63V MKT
R24-34-44=47KohmsC24-38-52=330pFC33-37-47-51-63-65=100uF 63V
R25-26-35-36-45-46=100ohmsC25-39-26-40-54=1uF 63V MKTC34-48-62=220uF 25V
R27-37-47=1KohmsC53=2.2uF 63V MKTC35-36-49-50-61-64=10uF 63V
R28-38-48=0.22ohms 5WC27-28-42-56-41-55=100pFC66-67-68-69=15000uF 63V
R29-39-49=4.7 ohms1WC29-43-57=100pFIC5-6-7=STK4044XI* See text
R30-40-50=56KohmsC30-44-48=15pFF2-3=Fuse 5A Fast 5X20mm PCB case
R31-41-51=10KohmsC31-45-59=100nF 100V MKTJ4A-5A-6A=2pin conn. 3.96mm pin step

Typical specifications

Input sensitivity

1Vrms

Input impedance

47K

Output Power  (0.1% THD)

100W/8 ohm per Band

Power Supply

?53V

Block Diagram

3_way_active_lsp_block.gif (16806 bytes)

???Fig.4, ???????? ??? ?????? ????? ??? ???????? ??????? ??? ??? ????????? ?????? ????. ???? ???????? ?? ???????? ????????????? ???? ?? ????????? ?????? ?????. ??? ???? ????? ??? ??????? ??? ????? ?? ??? ????? ?????????? ????????????? ? ??????????????? ?????? ?1, ? ?????? ????????? ?????? BR1, ? ??????? ????????? S1, ?? ????? ??????????? JF1, ? ???????? F1, ?? RCA ????? JF2 ??? ?? ?????????? led D27. ? ??????????????? T1 ???? ??? ????????=2?38V ???B=2X15V. ? ?????? BR1 ????????? ????? ??? ?????????, ???? ?? ???????. ????? ?? ??? ?????? ?????? ?????????? ?? IC5-6-7. ??? ????? JF2 ?????????? ?? ????????? ???? ??????? ??????? ??? ??? ????? ???? ???????????. ???? ????? ? ??????? ??? crossover ?? ????????? ?????? ??? ??? ?????????????? T1.

Part List[Fig.2]

T1=110-230Vac||A=2X38V  >350VAJF2=Female RCA JackMID=MIDRANGE 8 ohms
                        B=2X15V     30VAF1=FUSE 1.2A SLOW CASEWOO=WOOFER 8ohms
BR1=BRIDGE RECTIFIER 400V 35AS1=2XON-OFF 15A Switch
JF1=3pin male supply jackTW=TWEETER 8R

Filter_butterworth_12dB.gif (5974 bytes)

Fig.5--Crossover calculation

3-Way Active Loudspeaker - Main PCB  [88kb]
3-Way electronic crossover -12dB/oct - PCB  [24kb]
3-Way Active Loudspeakerin English

 

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