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High current AMP

 

Bronze Member
Username: Eclipse2005

Vicenza, Vicenza Italy

Post Number: 42
Registered: Dec-04
Hi what is a high current amp? how does it work? does it need something particular? thanks for the answers.
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7380
Registered: Dec-03
high current is just as teh name implies.
the amp draws a large amount of current.
generally with car amps, the term "high current" means the amp is stable to below 2 ohms.
The term gained popularity in the 80s and early 90s with Orion's HCCA series amplifiers. HCCA stood for high current competition amplifier.
 

Bronze Member
Username: Eclipse2005

Vicenza, Vicenza Italy

Post Number: 47
Registered: Dec-04
what happen if a amp stable at 1 ohm i make it run at 0,5 just for 30 seconds of DB Drag competition?
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7386
Registered: Dec-03
what happens if your car redlines at 6000rpm and you run it at 12,000rpm?
 

Bronze Member
Username: Eclipse2005

Vicenza, Vicenza Italy

Post Number: 48
Registered: Dec-04
Engine blow up?
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7393
Registered: Dec-03
very good.
 

Bronze Member
Username: Eclipse2005

Vicenza, Vicenza Italy

Post Number: 51
Registered: Dec-04
Glasswolf i have a question for u, how much important is the size of an enclosure? I mean, can i build a box with 3.2 cu.ft and tunin to 35Hz or build one with 2.5 cu.ft and tunin to 35Hz and it doesnt matter? Or is there a way to determine the exact net volume my sub needs?
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7407
Registered: Dec-03
yes it matters. it'll affect the response curve of the speaker and it's power handling.
the Thiele-Small specs of the sub are what determine it's ideal enclosure volumes.
 

Bronze Member
Username: Eclipse2005

Vicenza, Vicenza Italy

Post Number: 52
Registered: Dec-04
How can i find out what it is the right dimension?
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7411
Registered: Dec-03
the speaker maker's website should suggest recommended enclosure volumes
 

Bronze Member
Username: Eclipse2005

Vicenza, Vicenza Italy

Post Number: 53
Registered: Dec-04
it does reccomend 3 different...one for saving space, one for normal listening and one for SPL but not for SPL competition coz the tuning frequency is 37 hz and the fs of the sub is 45....
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7414
Registered: Dec-03
use the volume for the SPL enclosure, and change port length to tune it for 65Hz.
That should give good results for SPL events.
It won't sound that great though.
 

Bronze Member
Username: Eclipse2005

Vicenza, Vicenza Italy

Post Number: 54
Registered: Dec-04
My Fs of the car is around 60Hz should i tune the enclosure to 60 or a lil lower or 65 is good?
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7419
Registered: Dec-03
60 is good then.
I was taking an educated guess.
hey I was damned close.
 

MThomas26
Unregistered guest
GlassWolf i ordered 2 audiobahn flame q 12s and a 2400w high current amp for them is that good ? and what size inclosure do u think i should go with?
 

MThomas26
Unregistered guest
What is the difference of running 2 ohm stereo or 2 ohm mono which is better and which way would be better to face my audiobahn flame q 12's with magnet inside box or magnet outside of box ???
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 7442
Registered: Dec-03
inverting a sub makes no difference to the sound aside from altering the net volume of the enclosure since the magnet structure no longer displaces air inside the box.
most amps are not 2 ohm stable when bridged.
www.bcae1.com
raed that site for more help.
 

Bronze Member
Username: Americanbass

Post Number: 13
Registered: Jan-05
if the amp is a mono block amp it is already bridged inside it doesn't matter where u put in the speaker wires to the amp if u know what i mean u could hook up both subs on the same positive and negative terminals of the amp and still get the same power lol hard to believe huh
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