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Author Topic: Qguy's 2.1 - 2 channel setup  (Read 35219 times)

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Offline synchro_01

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #90 on: Apr 07, 2013 at 07:14 PM »
Quote from: qguy on Apr 07, 2013 at 07:01 PM
Pag umandar na ito.. pwede ko na palang  bi-amp yung Usher ko

270 watts sa woofer
120 watts sa tweeter

bwahahahaha

Kaya yan sir. Iba ang delivery ng speaker pag ang limit eh mechanical na and not the amp power. Like what they say when over amplified..every ounce is squeezed to the last drop. Ingat lang sa volume control. Kaput yang tweeter agad pag nasobrahan.
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Offline endrik35

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #91 on: Apr 07, 2013 at 10:14 PM »
My dream receiver, sx-1980, one of the best if not the best! Congrats bro! ;)
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Offline defcon3

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #92 on: Apr 07, 2013 at 11:49 PM »
nakapost na pala sa thread mo din....270watter pala yan per channel, i thought less than 200...but happy that you got it.... :)

review na lang bro after you revive it back to life.....big C again as in congratulations.... :)
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Offline dodie

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #93 on: Apr 08, 2013 at 12:13 AM »
Quote from: defcon3 on Apr 07, 2013 at 11:49 PM
nakapost na pala sa thread mo din....270watter pala yan per channel, i thought less than 200...but happy that you got it.... :)

review na lang bro after you revive it back to life.....big C again as in congratulations.... :)

eto na ba yun boss darws? kinuha na ni bossing Q? :)
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Offline defcon3

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #94 on: Apr 08, 2013 at 12:29 AM »
Quote from: dodie on Apr 08, 2013 at 12:13 AM
eto na ba yun boss darws? kinuha na ni bossing Q? :)

yes king doods.....di makatulog  sa gabi sa kakaisip....hehehe.....laki ng headroom,270/channel......
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Offline qguy

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #95 on: Apr 08, 2013 at 12:31 AM »
Quote from: defcon3 on Apr 08, 2013 at 12:29 AM
di makatulog  sa gabi sa kakaisip....hehehe.....laki ng headroom,270/channel......

hahaha

Thanks again sa tip !!!
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Offline jjlovemusic

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #96 on: Apr 08, 2013 at 12:38 AM »
Quote from: endrik35 on Apr 07, 2013 at 10:14 PM
My dream receiver, sx-1980, one of the best if not the best! Congrats bro! ;)

Inggit aku...
 :'(
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Offline defcon3

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #97 on: Apr 08, 2013 at 12:42 AM »
Quote from: qguy on Apr 08, 2013 at 12:31 AM
hahaha

Thanks again sa tip !!!

wala ba akong tip? :D :D :D ygpm....hahaha
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Offline defcon3

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #98 on: Apr 08, 2013 at 12:44 AM »
Quote from: JJ LoveMusic on Apr 08, 2013 at 12:38 AM
Inggit aku...
 :'(

di bali, may monster sub ka naman brader...hihihi
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Offline ATJr.

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #99 on: Apr 08, 2013 at 06:39 AM »
Quote from: qguy on Apr 07, 2013 at 07:01 PM
Pag umandar na ito.. pwede ko na palang  bi-amp yung Usher ko

270 watts sa woofer
120 watts sa tweeter

bwahahahaha


bridge the 270 watter to drive your sub(you will have to disconnect the plate amps)....the 120 watter for the mids and highs....
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Offline muypogi

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #100 on: Apr 08, 2013 at 06:57 AM »
please reserve...:-)
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Offline ATJr.

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #101 on: Apr 08, 2013 at 07:02 AM »
next in line.....:D
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Offline qguy

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #102 on: Apr 09, 2013 at 10:52 PM »
The SX1050 is BIG,  The SX1980 is HUGE !!!

Quote from: blue_123 on Apr 07, 2013 at 05:43 PM
That's one big amp, Nice one  :)
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Offline bass_nut

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #103 on: Apr 09, 2013 at 11:14 PM »
Infinity RS 4001 ?!!

i am on heavy drooooool mode !! congratulations, sir qguy !!!
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Offline Tavus

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #104 on: Apr 09, 2013 at 11:25 PM »
the SX1980 you got there is a true gem of an amplifier. fantastic.
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Offline qguy

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #105 on: Apr 13, 2013 at 09:34 AM »
Thanks for all the comments, the good thing about getting this beast is that I have stopped looking at the buy and sell section ..............
























































for now :)
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Offline qguy

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #106 on: Apr 13, 2013 at 09:36 AM »
Ilang watts kaya ito pag bridge mode ?  hehehehe




Quote from: TonyT on Apr 08, 2013 at 06:39 AM

bridge the 270 watter to drive your sub(you will have to disconnect the plate amps)....the 120 watter for the mids and highs....
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Offline gamersdotcom88

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #107 on: Apr 13, 2013 at 09:52 AM »
Baka may efren or kapatid pa yan Pioneer sx 1980 mo Benjie pls let me know.. 
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Offline qguy

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #108 on: Apr 13, 2013 at 09:58 AM »
Will let you know..

Quote from: gamersdotcom88 on Apr 13, 2013 at 09:52 AM
Baka may efren or kapatid pa yan Pioneer sx 1980 mo Benjie pls let me know.. 
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Offline ATJr.

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #109 on: Apr 13, 2013 at 11:04 AM »
Quote from: qguy on Apr 13, 2013 at 09:36 AM
Ilang watts kaya ito pag bridge mode ?  hehehehe





540 watts...
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Offline qguy

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #110 on: Apr 13, 2013 at 11:14 AM »
I had the assumption that it would be more, as some of the bridgeable amps I have read about has more power when bridged compared to the total of the 2 channels.


Quote from: TonyT on Apr 13, 2013 at 11:04 AM
540 watts...
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Offline ATJr.

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #111 on: Apr 13, 2013 at 11:17 AM »
Quote from: qguy on Apr 13, 2013 at 11:14 AM
I had the assumption that it would be more, as some of the bridgeable amps I have read about has more power when bridged compared to the total of the 2 channels.



possible, but since you are using the same power traffo, power is not quadrupled as in theory but only doubled practically....
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Offline markcrenz

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Re: Qguy's 2.1 Added Pioneer SX-1980
« Reply #112 on: Apr 13, 2013 at 07:01 PM »
Quote from: qguy on Apr 13, 2013 at 09:36 AM
Ilang watts kaya ito pag bridge mode ?  hehehehe
the amp section has a power limiter that activates when output power reaches 300 watts into 4 ohms, so you'll be able to get 600 W bridged into 8 ohms.
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Offline qguy

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Re: Qguy's 2.1 Pioneer SX-1980 Restoration
« Reply #113 on: May 06, 2013 at 02:05 PM »
May 2012 Update.

I got this unit last April, it WAS dead, no relay click, no sound no anything  :(

Operating on the  270 watt per channel  beast  >:D
Rebuilding the Power Supply Regulator Board

BEFORE



AFTER



Tone (Bass and treble) Board

Before


April 2013 update

AFTER


« Last Edit: May 06, 2013 at 02:07 PM by qguy »
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Offline defcon3

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Re: Qguy's 2.1 Pioneer SX-1980 Restoration
« Reply #114 on: May 06, 2013 at 02:26 PM »
keep it coming bro.........konting himas mo na lang at magkakamalay na yan..... :)
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Offline qguy

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Re: Qguy's 2.1 Pioneer SX-1980 Restoration
« Reply #115 on: May 06, 2013 at 08:15 PM »
Marami pang himas yan hehehehehe, muntik ko pang mabasag yung front panel glass, I lifted the front panel kanina from the floor, tapos pagtingin ko, wala yung glass, akala ko nasa floor, tapos wala, yun pala pa swing swing na lang siya sa front panel,  konting glue na lang ang nakakapit.

Quote from: defcon3 on May 06, 2013 at 02:26 PM
keep it coming bro.........konting himas mo na lang at magkakamalay na yan..... :)
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Offline qguy

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Re: Qguy's 2.1 Pioneer SX-1980 Restoration
« Reply #116 on: May 07, 2013 at 08:04 PM »
Power amp board capacitor replacement

Three capacitors lang per channel. pero todo nervious ko dito, as the Bias diode and  output transistors are no longer in production.

Before



After

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Offline qguy

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Re: Qguy's 2.1 Pioneer SX-1980 Restoration
« Reply #117 on: May 07, 2013 at 08:13 PM »
Did some cleaning and most of the dust is gone
Before



after


« Last Edit: May 07, 2013 at 08:17 PM by qguy »
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Offline ATJr.

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Re: Qguy's 2.1 Pioneer SX-1980 Restoration
« Reply #118 on: May 07, 2013 at 08:34 PM »
Quote from: qguy on May 07, 2013 at 08:04 PM
Power amp board capacitor replacement

Three capacitors lang per channel. pero todo nervious ko dito, as the Bias diode and  output transistors are no longer in production.



do you need to replace output trannies?, i have ON semis MJ21193/MJ21194 if you need them...
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Offline qguy

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Re: Qguy's 2.1 Pioneer SX-1980 Restoration
« Reply #119 on: May 07, 2013 at 08:41 PM »
I dont think so.

Thanks for the offer, but it does not use that type of transistor. It uses this one 2SD746A & 2SB706A


Quote from: TonyT on May 07, 2013 at 08:34 PM
do you need to replace output trannies?, i have ON semis MJ21193/MJ21194 if you need them...
« Last Edit: May 07, 2013 at 08:42 PM by qguy »
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