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Pioneer GM5300T-760amp w/bridgeable

Hi i have the 88 mustang and I'm connect this by bridgeing the amp to 1 8inch bazooka. I've tried checking the power cables and thats fine. I have no clue what is going on. I've also tried checking the speaker and rca's and thats fine as well. Please help.

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It sounded like you checked, but I had to ask.

Lets see if the Bazooka is the problem:
If you have two other speakers around somewhere, you could try hooking them up (one to a channel, un-bridged). Start with the gain at it's lowest and slowly increase it.

If they work, good news. If not, we've isolated the problem to the Amp.

Your Bazooka: Is it a double or single speaker?

Some tubular models don't allow easy access to the back of the speaker to find out the impedance rating.

Speakers rated at 4 Ohms or less wired parallel on bridged connection will trigger the Amps self protection mode.

This test should tell you if it's too low.

Try your bazooka on a single channel (instead of the bridge).

Start with the gain at it's lowest and slowly increase it.

Try these and get back to me.

Good luck

Mike

Posted on Jul 20, 2008

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1 Answer

Amp comes on running 2 12" 450 watt pioneer subs, volume only seems to be about half output, with speakers bridged


This could be the reason. If you look at the specs for this amp you will see that the continuous power out is rated for 380W bridged. The speakers rated at 450W should be able to handle close to 315W continuous. Now if you split these numbers being you have bridged these speakers, you drive each one up to about 190W continuous. The speakers are being driven approximately by 60% of the rated capability. I personally like to keep it right where you got it, not exceeding 80% of the speakers rated capacity.

Here are the specs for the AMP:
  • Specifications
  • Peak Music Power 760 Watts
  • Number of Channels 2
  • Load Impedance Capability 2~8 Ohm (Stereo), 4~8 Ohm (Bridged)
  • Continuous Power (4 ohm) 125W x 2
  • Continuous Power (2 ohm) 190W x 2
  • Continuous Power Bridged (4 ohm) 380W x 1
  • Frequency Response 10Hz ~ 50kHz
  • Total Harmonic Distortion 0.008%
  • Signal-to-Noise Ratio 100dB
  • Dimensions 12" x 2-3/8" x 12-3/4"
  • Features
  • Bridgeable
  • Channel # Capability 1/2/3
  • PWM Regulated MOSFET Power Supply
  • Screw-Type Speaker Terminals
  • Balanced Isolator Input Circuit
  • RCA Inputs 2 Channel
  • Input Level Control Hi-Volt (200mV ~ 6.5v)
  • Built-in Crossover Selectable LPF (80Hz, -12dB/Oct.)
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    Can i bridge the 4 ch. amp to 2 chnl.


    Hello bdawson,

    Maybe. Some, but not all, 4-channel amps can be bridged. You'll need to provide a specific brand and model number for a more definitive response.

    On many bridgeable amps, the connections are shown right on the output terminals, usually the "+" of one channel and the "-" on another channel. The connection diagram in your user manual may also show which channels are bridgeable and the appropriate connections. Some amps may support what they call "tri-mode", powering both full-range speakers and subs at the same time.

    Using a multi-channel amp with the channels bridged to power subs is a compromise. While you'll get an increase in power, it usually isn't as much as you would get from a monoblock. And fine tuning for the best sound is more complicated, balancing the filters and crossover so that the correct frequencies are sent to the appropriate speaker.

    Hope this helps.

    Jun 16, 2009 | Car Audio & Video

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    Ccan it be bridged with a 5 ohm subwoofer?


    Hello cameron_cran,

    The information I found on the amp is that is a 2-channel and is bridgeable. It is stable in bridged mode to 4 ohms. You should be able to bridge a single 4 ohm sub without damage to the amp.

    Hope this helps.

    Apr 22, 2009 | Pioneer GM-X322 Car Audio Amplifier

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    I'm having problems getting full power to my sub.


    when bridgeing an amplifier it always sees half of whatever load you have on it, so if you have a 4ohm speaker when it is bridged the amp will see 2ohms, so yes you can bridge the 4 ohm speaker

    Mar 05, 2009 | Bazooka ELA500.1 Car Audio Amplifier

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    I'm having problems getting full power to my sub.


    you can only bridge it if your amp is made for it......the only other way is to have another of the same amp.......tell me what you come up with

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    Wiring


    Usually an 800 watt peak sub would be a 400 watt rms. Hmmmm. Anyway, just bridge the amp (1x 380) nd keep the gain up enough to stay clean. Watch the sub and turn up gain until it starts to distort, then back it down a hair. Do this with the CD players volume up 2/3 to 3/4 volume with the BASS and treble at zero (bass better at minus 4 or so if you are a bass head! Hope thishelps.

    Larry T
    Winona Lake, IN
    http://www.cybersoundsaudio.com/cybersounds/vehiclepics.html

    Jan 27, 2009 | Pioneer GM-5300T Car Audio Amplifier

    1 Answer

    Pioneer GM5300T-760amp w/bridgeable


    It sound like the Amp is trying to protect itself:

    From the manual:
    "To prevent malfunction of the amplifier and
    speakers, the protective circuit will cut the power
    supply to the amplifier (sound will stop) when an
    abnormal condition occurs. In such a case, switch
    the power to the system OFF and check the
    connection of the power supply and speakers."

    Although I'm leaning toward the speaker config, double check the obvious first.
    • power cables - both positive and ground heavy enough gauge?
    • speaker cables
    • solid connections, crimps
    The next check is the speakers themselves. More info needed.

    How many? 1, 2, 4?

    Are they 8 Ohms? 4 Ohms?

    How are they wired?
    • One to a channel?
    • Series?
    • Parallel?
    • Bridged?
    In case you don't have one, here's a link to the
    GM-5300t Owners Manual

    If you still have problems, get back to me with speaker specs and configuration.

    Hope this helps

    Mike

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    did you read your instruction manual. does it says "it could be bridged to other amp"?. you can't make a bridge to amplifier that is not bridgeable. bridging an amp is a way which it is made through transistor type ampilfier by bridging more transistor inside and more voltage is required for bridging.
    I don't know if we could do to an IC type amplifier. ask an experts about bridging IC types how to bridge maybe they know how.
    and if you had an successful bridging, you may have a problem through your speakers, they may hit hard but you will experience some errors through your speakers and easy to worn.

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    It will probably blow a fuse or blow up completely.
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