RE: subwoofers
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RE: subwoofers - 1/30/2006 9:42:53 PM
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FatRyan
Posts: 711
Joined: 3/2/2005
From: Southampton, PA
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quote:
ORIGINAL: 4lowlife
Where did you stick the DMM to set your voltages? At the speaker outputs?
I used good 'ol audible distortion as a reference seting the gains. Primitive but It's what I did.
yes, unplug the (-) wire of whatever terminal your setting gains for, then put the (+) prong up to the (+) terminal and the (-) prong up to the (-) terminal. start with gains at minimum, then slowly turn them up until the DMM read the desired V (square root(power x impedance)). Setting gains by listening for distortion also work, but if you dont have a good ear, you may either clip the amp or not get all the power you can out of it. I myself cannot hear distortion that well so i choose to use a DMM. but undoubtably the best way to do it is to use an o-scope. you can visially see when the signal clips, so youll get the most outta your amp. but those things are at the lowest a couple hundred. and i dont got that kinda money, lol.
< Message edited by FatRyan -- 1/30/2006 9:43:33 PM >
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Deck: Pioneer DEH-P9800BT
Front: MB Quart pce-216
Rear: MB Quart pce-216
Comp amp: Orion 500.4
Sub: 2 Kicker S12L7's
Sub amp: USAmps Merlin MD2
Sub box: 2.5cubes net @ 38Hz /chamber
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RE: subwoofers - 1/30/2006 9:55:32 PM
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4lowlife
Posts: 1561
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Cool, thanks for the tip. I'm gonna try that Wednesday. Supposed to be back in the upper 30's F.
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RE: subwoofers - 1/30/2006 10:54:14 PM
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FatRyan
Posts: 711
Joined: 3/2/2005
From: Southampton, PA
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quote:
ORIGINAL: 4lowlife
Cool, thanks for the tip. I'm gonna try that Wednesday. Supposed to be back in the upper 30's F.
damn, weve been having such a mild winter here in philly. it was like 60 today and 70 a couple days ago. its been dipping down into the 20s ever so often, but for the most part its been pretty warm. it sux cause i like snowboarding.
_____________________________
Deck: Pioneer DEH-P9800BT
Front: MB Quart pce-216
Rear: MB Quart pce-216
Comp amp: Orion 500.4
Sub: 2 Kicker S12L7's
Sub amp: USAmps Merlin MD2
Sub box: 2.5cubes net @ 38Hz /chamber
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RE: subwoofers - 1/30/2006 11:20:57 PM
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85FSBSilverado
Posts: 64
Joined: 2/3/2005
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You can get an oscilliscope fairly cheap, just look into used equipment, like if a school is upgrading to better equipment. A guy I was buying a sound card from had a mini o-scope from B&K Precision on eBay for $150. I should've bought it. I've got two pair of 1x/10x scope probes now, and other o-scope wires. I didn't know what they did yet. It was before we had gotten around to using them. Someone from class was saying you can create on o-scope out of a computer screen. Not accurate, but you can see the signal. You could create your own lines, so it would be kinda close. Not very many functions, I would imagine.
Handheld o-scope.
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David Rusk Hess (55) 12/23/05 - RIP
'85 Blazer Silverado with a 305 and 33" tires.
Sony CD player with a Coustic 105A 4-ch; 2 Sony & 2 Jensen 6"x9" speakers. Pair of Jensen 10"s, Rockford amp.
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RE: subwoofers - 1/30/2006 11:37:37 PM
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4lowlife
Posts: 1561
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quote:
damn, weve been having such a mild winter here in philly. it was like 60 today and 70 a couple days ago. its been dipping down into the 20s ever so often, but for the most part its been pretty warm. it sux cause i like snowboarding.
It summer there man. I board too. been to any NY trails?
quote:
You can get an oscilliscope fairly cheap, just look into used equipment, like if a school is upgrading to better equipment. A guy I was buying a sound card from had a mini o-scope from B&K Precision on eBay for $150. I should've bought it. I've got two pair of 1x/10x scope probes now, and other o-scope wires. I didn't know what they did yet. It was before we had gotten around to using them. Someone from class was saying you can create on o-scope out of a computer screen. Not accurate, but you can see the signal. You could create your own lines, so it would be kinda close. Not very many functions, I would imagine.
Handheld o-scope.
Thanks for the suggestion. I used o scopes when I went to ITT. Laid off from work and spending money on diapers for our 3 week old will kepp me from purchasing some stuff for awhile. Until I get my tax return. heh heh
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RE: subwoofers - 1/30/2006 11:57:11 PM
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FatRyan
Posts: 711
Joined: 3/2/2005
From: Southampton, PA
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quote:
ORIGINAL: 4lowlife
quote:
damn, weve been having such a mild winter here in philly. it was like 60 today and 70 a couple days ago. its been dipping down into the 20s ever so often, but for the most part its been pretty warm. it sux cause i like snowboarding.
It summer there man. I board too. been to any NY trails?
nah, ive never been out of state. id love to go up to vermont and tear down some mountains. you ever been to any PA mountains? I been to Elk, Blue, Camelback, Eagle rock, and Montage.
_____________________________
Deck: Pioneer DEH-P9800BT
Front: MB Quart pce-216
Rear: MB Quart pce-216
Comp amp: Orion 500.4
Sub: 2 Kicker S12L7's
Sub amp: USAmps Merlin MD2
Sub box: 2.5cubes net @ 38Hz /chamber
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RE: subwoofers - 1/31/2006 12:04:00 AM
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4lowlife
Posts: 1561
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Been to Stowe, VT. I passed Killington at night on the way to Stowe. Didn't know it was there until the trip home.
Holiday Valley ski is alright. 82 mi drive one way. The slopes here are glorified sled hills.
I haven't done anything anywhere else. My cousin in Cali broke his collar bone a few weeks ago at Ski Heavenly
I wouldn't mind trying PA's slopes.
Foxtrot Uniform Charlie Kilo
< Message edited by 4lowlife -- 1/31/2006 12:07:23 AM >
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RE: subwoofers - 1/31/2006 12:11:38 AM
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FatRyan
Posts: 711
Joined: 3/2/2005
From: Southampton, PA
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quote:
ORIGINAL: 4lowlife
Been to Stowe, VT. I passed Killington at night on the way to Stowe. Didn't know it was there until the trip home.
Holiday Valley ski is alright. 82 mi drive one way. The slopes here are glorified sled hills.
I haven't done anything anywhere else. My cousin in Cali broke his collar bone a few weeks ago at Ski Heavenly
I wouldn't mind trying PA's slopes.
Foxtrot Uniform Charlie Kilo
I have nuthin to compare to, but PA slopes are ok. If you go to any, try Elk, Blue, or Montage. i been to jack frost/big boulder too, it blows
_____________________________
Deck: Pioneer DEH-P9800BT
Front: MB Quart pce-216
Rear: MB Quart pce-216
Comp amp: Orion 500.4
Sub: 2 Kicker S12L7's
Sub amp: USAmps Merlin MD2
Sub box: 2.5cubes net @ 38Hz /chamber
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RE: subwoofers - 1/31/2006 12:23:56 AM
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4lowlife
Posts: 1561
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quote:
have nuthin to compare to, but PA slopes are ok. If you go to any, try Elk, Blue, or Montage. i been to jack frost/big boulder too, it blows
I checked out the first 3 you listed. They seem like the ones up here. I don't think I 'll bedriving 200+ miles for 15 trails. probably 9 usable for boarders.
If I did might as well stop in New Hope, PA and say hi to the seller of this Blazer!
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RE: subwoofers - 1/31/2006 1:10:57 AM
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FatRyan
Posts: 711
Joined: 3/2/2005
From: Southampton, PA
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quote:
ORIGINAL: 4lowlife
quote:
have nuthin to compare to, but PA slopes are ok. If you go to any, try Elk, Blue, or Montage. i been to jack frost/big boulder too, it blows
I checked out the first 3 you listed. They seem like the ones up here. I don't think I 'll bedriving 200+ miles for 15 trails. probably 9 usable for boarders.
If I did might as well stop in New Hope, PA and say hi to the seller of this Blazer!
actually, every single mountain i listed allows boarders on all slopes. but still, theres no point in the drive. except montage. its the farthest north and they have one of the most killer double blacks. its like a frickin wall of ice that goes straight up, lol. new hope is pretty close to my home in southampton (and its where all the homosexuals live) lol.
< Message edited by FatRyan -- 1/31/2006 1:12:23 AM >
_____________________________
Deck: Pioneer DEH-P9800BT
Front: MB Quart pce-216
Rear: MB Quart pce-216
Comp amp: Orion 500.4
Sub: 2 Kicker S12L7's
Sub amp: USAmps Merlin MD2
Sub box: 2.5cubes net @ 38Hz /chamber
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RE: subwoofers - 1/31/2006 1:12:08 AM
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4lowlife
Posts: 1561
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oh sthop, sthilly,
Off the topic, does anyone own, drive the Trailblazer? alor of us have the s series.
< Message edited by 4lowlife -- 1/31/2006 1:14:43 AM >
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RE: subwoofers - 1/31/2006 1:16:12 AM
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4lowlife
Posts: 1561
Joined: 12/29/2005
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Anyone use dual batteries and an isolator? Have capacitors?
Kinda overkill, but interesting to see how folks like using it.
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