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Author Topic: audio output convertion of 5.1 system  (Read 2142 times)

Offline ahlburuto

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audio output convertion of 5.1 system
« on: April 22, 2009, 09:51:48 PM »
Hi mates

Meron akong 5.1 system na ang audio output nya eh 5 speakers at 1 sub. Ngayon meron akong isang active subwoofer ang input nya eh RCA jack lang. Wala namang output yung 5.1 system ko. Anu bang dapat kong gawin na yung subwoofer output ng 5.1 system eh ikabit ko sa input ng active subwoofer ko? Bale kasi amplified na yung output ng 5.1 ko eh, eh yung active subwoofer ko eh dapat RCA lang. Pano bang dapat kong gawin? Pwede bang lagyan ko na lang ng resistor? Anung value kaya?

TIA

BR
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audio output convertion of 5.1 system
« on: April 22, 2009, 09:51:48 PM »

Offline ahlburuto

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Re: audio output convertion of 5.1 system
« Reply #1 on: April 23, 2009, 11:58:01 AM »
 :( :( :(

br
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Re: audio output convertion of 5.1 system
« Reply #1 on: April 23, 2009, 11:58:01 AM »

Offline danny

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Re: audio output convertion of 5.1 system
« Reply #2 on: April 23, 2009, 12:11:27 PM »
anong brand and model ng system mo?
saka yung sub mo?
danny

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Re: audio output convertion of 5.1 system
« Reply #2 on: April 23, 2009, 12:11:27 PM »

Offline ahlburuto

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Re: audio output convertion of 5.1 system
« Reply #3 on: April 23, 2009, 12:33:50 PM »
Yung 5.1 system ko eh Sony na DAV-DZ570k. Ang audio out nila eh speakers lang sir danny at meron syang audio input na Left and Right. Yung Active Subwoofer ko eh Kenwood SW-301. Meron syang RCA input at amplified input at speaker output. Nung kinabit ko yung FL at FR output ng 5.1 ko sa amplified input ng kenwood eh napakahina ng tunog ng kenwood. Kaya ang option ku lang eh iconvert ko yung FL at FR ng 5.1 sa low level. Pwede kaya yung naisip ko? Di kasi maganda yung bayo ng Sony ko eh. Nasubukan ko na yung Kenwood at nagustuhan ko yung bayo nya. Pwede kasing matimpla pa yung kenwood.

Nga pala sir danny anung difference nung 18 at 24 octave? meron kasing ganun sa likod ng Kenwood eh....

BR
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Re: audio output convertion of 5.1 system
« Reply #3 on: April 23, 2009, 12:33:50 PM »

Offline danny

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Re: audio output convertion of 5.1 system
« Reply #4 on: April 23, 2009, 12:59:56 PM »
so bale yung kenwood mo ba ay RCA input lang meron
kung yun lang input mo then may built in lowpass filter na yung kenwood mo
wala bang preout yung sony mo?
kung meron preout doon ka na lang kumuha ng signal
madami namang paraan talga
para magamit mo iyan
danny

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Re: audio output convertion of 5.1 system
« Reply #4 on: April 23, 2009, 12:59:56 PM »

Offline Woots29

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Re: audio output convertion of 5.1 system
« Reply #5 on: April 23, 2009, 01:05:35 PM »
may nabibiling impedance converter. may isolator un sa loob para iconvert nya ung speaker out into RCA. ang familiar na brand is skytronic.
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Offline danny

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Re: audio output convertion of 5.1 system
« Reply #6 on: April 23, 2009, 01:22:41 PM »
actually ang pag kaka alam ko iyang kenwood na iyan ay may input ng
speaker level, 2 pages lang kasi yung manual ko
pero applicable din sa higher models
soi am not sure kung iyan nga yung may speaker level input
danny

Offline Tasyo

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Re: audio output convertion of 5.1 system
« Reply #7 on: April 23, 2009, 01:30:24 PM »
parang di pwedi yung lalagyan mo lang sya nang dropping resistor kasi yung maximum amplitude ng output is only 1 Vp-p, paki check mo datasheet ng CXD9883M, saka yung output line is meron naka tap na DC balance detect kaya meron din conflict sa grounding, pwedi mo e experiment at your own risk, isolate mo lang 2 line ng output

Offline Woots29

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Re: audio output convertion of 5.1 system
« Reply #8 on: April 23, 2009, 01:32:48 PM »
ginamitan ko na rin once ung amplifer ko kasi magdudugtong akong isa pang amplifer. wala kasing line out uing amp kaya kinuha ko sa speaker by means of impedance converter.
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Offline danny

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Re: audio output convertion of 5.1 system
« Reply #9 on: April 23, 2009, 01:33:11 PM »
kung may conflict sa ground delikado
baka mamaya floating ground pa yung out ng sony tapos
common ground yung kenwood
malaking usok ito heheheh ;D ;D ;D
danny

Offline Tasyo

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Re: audio output convertion of 5.1 system
« Reply #10 on: April 23, 2009, 01:48:50 PM »
Yung 5.1 system ko eh Sony na DAV-DZ570k.
Kung gusto mo mag experiment I can give you schematic diagram, pero di ako ang salarin kung ano man mangyari sa unit mo ;D ;D ;D

Offline THXneo

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Re: audio output convertion of 5.1 system
« Reply #11 on: April 23, 2009, 03:35:40 PM »
line output converter ang kailangan mo paps



ito ginagamit dati sa mga lumang car audio para convert ung speaker output maging RCA.
marami jan sa raon yan. mostly stereo configuration na. at meron sariling volume control.
250 petot ata price.
pede mo extract ung FL at FR output ng power amp mo at ikabit mo ung line ouput converter para maging RCA na.gawa ka na rin stereo RCA conver to mono RCA para papunta sa subwoofer mo.
pwede rin resistor kng sure na common ground sya.(pang headphone)kya lng di sya advisable as per paps danny.  ;D
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Offline Woots29

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Re: audio output convertion of 5.1 system
« Reply #12 on: April 23, 2009, 03:51:29 PM »
line output converter ang kailangan mo paps



ito ginagamit dati sa mga lumang car audio para convert ung speaker output maging RCA.
marami jan sa raon yan. mostly stereo configuration na. at meron sariling volume control.
250 petot ata price.
pede mo extract ung FL at FR output ng power amp mo at ikabit mo ung line ouput converter para maging RCA na.gawa ka na rin stereo RCA conver to mono RCA para papunta sa subwoofer mo.
pwede rin resistor kng sure na common ground sya.(pang headphone)kya lng di sya advisable as per paps danny.  ;D

yan nga ung sinasabi ko. ;D
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Offline rdpzycho

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Re: audio output convertion of 5.1 system
« Reply #13 on: April 23, 2009, 03:53:07 PM »
pwede rin namang split 'yung L at R tapos gawing mono bago ipasok sa subs, pero walang control 'yung 5.1 receiver doon sa subs (pero sa mga nababasa ko, mas preferred 'to ng ibang nagse-setup dahil, may lowpass na 'yung active sub, may lowpass 'yung receiver, magiging mas steep 'yung pass curve, magiging mas parang hindi kasama nung speaker system 'yung sub). ;D
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Re: audio output convertion of 5.1 system
« Reply #13 on: April 23, 2009, 03:53:07 PM »

 

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