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How who good is JBL 1200.1?

 

Bronze Member
Username: Loc_out

Post Number: 56
Registered: Feb-05
How good is JBL 1200.1?
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7581
Registered: Dec-03
on a scale of 0 to 1? it's a 1.
good amp.
1 ohm stable. 1200 watts RMS @ 1 ohm and 2 ohms
600 watts @ 4 ohms
two sets of speaker terminals for ease of wiring two subs.
4 RCA inputs for front and rear L/R
 

Gold Member
Username: Subfanatic

Walton, Ky

Post Number: 2057
Registered: Dec-04
glass, what is great about the 4 RCA inputs? i dont get it lol
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7588
Registered: Dec-03
if you have a head unit without sub outs, and you have F/R RCA outs, this allows you to fade front to rear without affecting sub level.
 

Gold Member
Username: Subfanatic

Walton, Ky

Post Number: 2062
Registered: Dec-04
ohh ok, tahts awesome, thankms, but while i have your attention, i need a nice opinion, im giong to run a jbl 1200.1 to my 15 eclipse TI and iw ant to use all 1200 watts to it, but what kind of enclusure (ported preferbly) should i use, and what should i tune it to in your mind, i want good spl with decent sq
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7592
Registered: Dec-03
ported, about 3cu ft volume, tuned to 28Hz
that'd sound nice
 

Gold Member
Username: Subfanatic

Walton, Ky

Post Number: 2118
Registered: Dec-04
hmm, that sounds nice, any cahcne yo know where i can find dimensions for this, or you could help me with it, im horrible with boxes
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7596
Registered: Dec-03
well, any dimansions that result in 3cf after driver and port displacement are added in will work. LxWxH for that. as for figuring port length, if you go with a round port, use 6" ID tube, and calculate length to tune for 28Hz.
It'll be a fairly long port so a slot-vent may be prefered as you can wrap that around two of the interior walls of the enclosure if need be.
www.bcae1.com has calculators for figuring a ported box though. you have all the data you need to plug into the calculators.
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