Question about Dual (DBXPA6100) Car Audio Amplifier

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New Dual XIA3145 2/1 LED glows red, guide claims speaker problem

Channel mobil power amplifier hooked to a 4 ohm 10" subwoofer. input is from car radio output.

Status LED glows red "protect" or fault, its supposed to be green, guide claims speaker problem (crossed wires, defective speaker, or improper ohm rating (less than 4ohm load) . Wires not crossed. 4 ohm subwoofer is supposed to be ok for this amp, tested it on 6 ohm speaker, still red. Tested speaker in bridged and unbridged single channel, still red.
Speaker tests ok on another amp.
Amp is no

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  • bell1157 Feb 02, 2009

    thank you howdiuhhhh.



    You were exactly correct.

    Ground wire was attached to body but paint on body work was interfering with good connection.

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  • 21 Answers

Look at these and only these... power or ground...either your power wire has grounded out somewhere (ud be surprised) or youdont have a good enough ground....i would check the ground first....hopefully this helps

Posted on Jan 27, 2009

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1 Answer

How do i wire alpine swr1243d subwoofer


There are a couple different ways you can wire up this speaker as it is a DVC speaker. Duel Voice coil, it has two + post and two - post. A dual 4-ohm voice coil subwoofer with its coils wired in parallel presents a 2-ohm load to your amplifier. Since an amplifier produces more wattage at a lower impedance, the parallel connection ensures you'll get the most output from your amp.
Series wiring lets you configure multiple woofers to one amplifier at an acceptable impedance. Wire both coils in series for an 8-ohm impedance, and then wire two 8-ohm subs together in parallel for 4-ohm total impedance.
You can wire each voice coil to a separate channel of your amplifier, if you prefer not to bridge your amp. Independent wiring is a nice option if you're wiring two DVC subs to a 4-channel amplifier - one voice coil per channel
Depending on what you are hooking it up to i.e. a mono amp or a bridged four channel amp. I can tell you post to wire exactly if I know how you want to hook it up and what ur hooking it up to.

Sep 15, 2014 | Car Audio & Video

1 Answer

Hi this is amber I have 2x4 ohm qvc audiobahn abass2012P how would I correctly run them to get best bass n max power efficiency I have a soundstream Picasso 1000watt 4 channel bridge able amp to hook em up...


I assume you are replacing the built-in Audiobahn power amplifier with your 4 channel Soundstream amp. If so, you can set the Soundstream for bridge mode which should net you 2 high power channels of 250Wrms@4ohms or 500Wrms total power (if the speakers are quad VC), or alternatively, non bridged for 4x125Wrms (if the speakers are dual VC). You can see why below.
Next, you need to confirm each subwoofers coil configuration as follows: If each woofer is quad, there will be 8 connectors; if dual VC, then there will be 4 connectors. For dual VC, if each VC is 4ohm, you can choose between 8 or 2 ohms by series or parallel wiring. If each VC is 2 ohm, you can have 4 ohms in series to use. This can be determined with an ohm meter across one set of VC terminals. If you can get 4 ohm for each speaker, this will allow you to use the 2 channel bridged mode with each speaker getting the full 250W. If each VC is 2 ohm, use non bridged mode and run each of the 4 channels to each VC. For this case, use a 2 to 1 RCA jack to sum the two channels for each speaker on the amp's input side to make the signal 2 channel instead of 4 channel. Below are examples of quad and dual VC for reference only, the wiring may not match your setup which will depend on your VC resistance (impedance) measurement. Don't forget to set your HPF(High Pass Filter) as this is a subwoofer setup.

quad vc-bsudq2jd4xz1a3m0o2e0expj-1-4.jpg

dual vc-bsudq2jd4xz1a3m0o2e0expj-1-7.jpg

Nov 17, 2017 | Car Audio & Video

1 Answer

How do i connect a sub wooferto my reciever


I own 2 of these Pioneer VSX-D903S units.

The only way to hook a powered subwoofer up to a VSX-D903S is if your subwoofer is equipped with amplified/speaker level terminals on the back, in addition to the line-level input. If you only have a line-level input, do not attempt to hook it up to this receiver.

If you're lucky, and have speaker-level inputs on your powered subwoofer, you would use the amplified terminals (connect to B-channel on the receiver). DO NOT connect anything to the line-level connection.

Alternatively, you could build two unpowered subwoofers, then set the receiver's Impedance switch to LOW, then connect one enclosure to each of the "B-channel" outputs. Connect your regular left and right speakers to their corresponding "A-channel" outputs. [Impedance range: 4 Ohm minimum, 16 Ohm Maximum]

Jul 20, 2012 | Pioneer VSX-D903S Receiver

1 Answer

How do you hook up the speaker wire to the ab sub out and what is the best way to hook them up at what ohm


Not sure what you mean by AB but being that this is a monoblock or 1 channel amplifier you can only hook it up 1 way. Verify the polarity from your speaker box. + to + and - to -. As far as your impedance is concerned this amp is stable to 1.5 ohms but for this case we will assume you have two 4 ohm subwoofers. When you parallel these together you will have a total effective load of 2 ohms on the amplifier. This is a stable operating impedance for the amp.

Other impedance options are:

two 8 ohm speakers = 4 ohm load
three 8 ohm speakers = 2.66 ohms

If you have dual voice coil subwoofers then parallel the coils on each sub + to + and - to -. Depending on the impedance of each sub you may then have to wire the individual subwoofers in series. Here is an example.


2 dual voice coils with 4 ohm taps

Each subwoofer with the coils in parallel would be a 2 ohm load if you were to then parallel the two subwoofers together you would have 1 ohm total load on your amp. This is BAD for your amp. Your option is to run the subwoofers in series.

To run the speakers in series is simple. The + from one speaker and the - from the other will be connected to the amp. The other + and - from the speakers will be connected together.

Here is a wiring diagram from kicker.

http://www.kicker.com/dvc_wiring

Jun 11, 2011 | Jl Audio Slash 500/1 Car Audio Amplifier

2 Answers

I was thinkin bout buyin a planet audio ac2600.2 car amplifier but cant find what gauge power an ground wire it takes and how many watts it puts out 2 channel @2ohms rms. can you help?


Here are your specs. RMS 900 Watts Nominal and Max 1300 on 2 Channel @ 2 Ohms.
4 Gauge should do fine but if you like to feed the beast go with 2 gauge.
Looks like going rate is $110 on Amazon or elsewhere.
If it attains the RMS wattage it would be a good amp. I like monoblocks but
you will pay more. I looked into Tri-Mode and it is straight forward but people
are having problems figuring it out. With your 2 speaker operation you should
avoid the issues others are having.
Good luck and remember, rearview mirrors were meant to fall off!
Mine: JL 1800A monoblock into 2-JL 12" W3's in series for low bass 20-80 Hz; Lanzar Vibe 266 bridged into 2-12" Memphis in series for mid bass 40-200m Hz. 2 guage wire to mononblock-250 amp fused at battery, 4 guage to Vibe w/250 amp at battery.

Anarchy Series 2-Channel Car Amplifier
  • RMS Power Rating:
    • 2 ohms: 900 watts x 2 chan.
    • Bridged, 4 ohms: 1800 watts x 1 chan.
  • Max power output:
    • 2 ohms: 1300 watts x 2 chan.
  • Total Power Output: 2600 watts
  • Pulse width modulated MOSFET power supply
  • Convenient remote subwoofer control
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost 0 to +18 dB
  • Bridgeable Tri-mode operations
  • Chrome-plated connections enhance durability
  • Variable high and low pass crossovers
  • Illuminated logo
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • Dual speaker terminals simplify the hookup of multiple speakers
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation
  • Low level high inputs
  • Heavy-duty set-screw terminals
  • Input sensitivity:
    • Low level: 100mV-2V
    • High level: 2V-8V
  • Variable high-pass filter (45-90 Hz, 24 dB/octave)
  • Variable low-pass filter (50-500 Hz, 24 dB/octave)
  • Damping factor: >125
  • Signal-to-Noise Ratio: 102 dB
  • Frequency response: 20-20,000 Hz
  • Dimensions: 15-9/16"L x 10"W x 2-3/16"H
  • 1/0-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year Manufacturer's warranty

Mar 19, 2011 | Planet Audio Car Audio & Video

1 Answer

Is it possible to hook up a powered subwoofer to this unit? It has a centre pre-out, but nothing labelled for a sub, and the manual is useless. This is a very nice old receiver, works perfectly, and I'm...


I own 2 of these Pioneer VSX-D903S units.

The only way to hook a powered subwoofer up to a VSXD903S is if your subwoofer is equipped with amplified/speaker level terminals on the back, in addition to the line-level input. If you only have a line-level input, do not attempt to hook it up to this receiver.

If you're lucky, and have speaker-level inputs on your powered subwoofer, you would use the amplified terminals (connect to B-channel on the receiver). DO NOT connect anything to the line-level connection.

Alternatively, you could build two unpowered subwoofers, then set the receiver's Impedance switch to LOW, then connect one enclosure to each of the "B-channel" outputs. Connect your regular left and right speakers to their corresponding "A-channel" outputs. [Impedance range: 4 Ohm minimum, 16 Ohm Maximum]

(To the guy [dunnbiker] that says there's no rear channels: You're wrong.) The VSX-D903S has 2 stereo (A/B) channels, dual center channel (place center speakers to the left and right, or above and below the screen), and two rear satellite channels. It is a 3-Ch Logic/Dolby Pro-Logic Surround equipped receiver, not a DolbyDigital/DTS multichannel x.1 surround unit.

Dec 19, 2010 | Pioneer VSX-D903S Receiver

1 Answer

Can i hook this amp to a 2 channle out put stereo?


Sure. Specs are listed below. I think it's designed for regular 2-channel input, isn't it?

jturcotte_41.jpg

Front Channels: 100 W RMS x 2 @ 1.5 ohm-4 ohm (11V-14.5V)
  • Rear Channels: 25 W RMS x 2 @ 1.5 ohm-4 ohm(11V-14.5V)
  • Subwoofer Channel: 250 W RMS @ 1.5 ohm-4 ohm (11V-14.5V)
  • THD at Rated Power: <0.03% @ 4 ohm (F&R), <0.05% @ 4 ohm (Sub)
  • S/N Ratio (F&R): >108.5 dB below rated power S/N Ratio (Sub): >95 dB below rated power
  • Frequency Response (front and rear): 5 Hz-30 KHz (+0, -1dB)
  • Frequency Response (sub channel): 5 Hz-500 Hz (+0, -1dB)
  • Damping Factor (front and rear): >200 @ 4 ohm/50 Hz
  • Damping Factor (sub channel): >500 @ 4 ohm/50 Hz
  • Input Range: switchable from 200mV-2V RMS to 800mV-8V RMS
  • Differential-Balanced Input Topology: (3 pairs of inputs)
  • Front Crossover: fully-variable (50 Hz-5 KHz), selectable- slope BP or HP (12 or 24 dB per octave)
  • Rear Crossover: fully-variable (50 Hz-5 KHz), selectable- slope HP (12 or 24 dB per octave)
  • Sub Crossover: fully-variable (40-200 Hz), selectable-slope LP (12 or 24 dB per octave)
  • Preamp Output: 2-channel (full-range or LP)
  • Bass EQ: Variable boost up to 15db
  • Infrasonic Filter: defeatable 24dB/octave at 30 Hz
  • Left minus Right Ambience Circuit: ambient effect for rear channels
  • Front and rear speaker output connections: accept up to 8ga. wire
  • Dual mono subwoofer output connections: accept up to 8ga. wire
  • +12V and Ground connections: accept up to 4ga. Wire
  • Dimensions: 19.7"L x 9.25"W x 2.36"H
  • Dec 02, 2010 | Jl Audio 500/5 Car Audio Amplifier

    1 Answer

    Trying to install subs


    If there is no red and black colored input wire connectors on the subs then it doesn't matter.Positive and negative does not really effect speakers and subs since it is DC anyways.

    Jul 25, 2010 | Lanzar OPTI1533D Car Subwoofer

    1 Answer

    Is it possible to hook the infinity bu-1 subwoofer to a home theater system where the subwoofer output is straight power say it"s like 25 watts coming out of that one channel and before the original...


    In general higher speaker impedance is safer than lower impedance for the amp. Don't expect anything impressive re: audio output from a passive (unpowered) sub if your HTS says it pushes only 25 watts. Without frequency bandwidth and distortion noted the spec is virtually useless as a comparison.

    The BU-1 is a powered sub that accepts either RCA Line Level or HIGH LEVEL amplifier power. If you use the latter, impedance is a non-issue because the input feeds the BU-1's internal amp, not the speaker directly. You should be okay.

    Perhaps if we knew some specifics about the HTS we could do more than guess.

    Jul 21, 2010 | Infinity BU-1 Speaker

    1 Answer

    Power acoustik gothic OV2 800 manual


    Could not get a manual for you but did get the follwing specs. Hope they help.

    Power Acoustik Ov2-800 2-Channel Class A/B Gothic Series Amplifier (800-Watt)
    POWER ACOUSTIK OV2-800 2-CHANNEL CLASS A/B GOTHIC SERIES AMPLIFIER

    800-WATT 2-CHANNEL
    4 ohm RMS: 150W X 2
    2 ohm RMS: 180W X 2
    Bridged mode MONO RMS: 360W
    BRIDGED MAX: 800W
    FULL MOSFET POWER SUPPLY
    PWM CIRCUITRY
    FULL SELECTABLE CROSSOVER
    3-WAY PROTECTION CIRCUIT
    TRI-MODE CAPABLE
    VARIABLE LOW PASS 40 HZ - 120 HZ
    VARIABLE HIGH PASS 150 HZ - 1.5 KHZ
    VARIABLE 18 DB BASS BOOST @ 40 HZ
    FREQ RESP: 10 HZ TO 30 KHZ
    S/N RATIO: 98 DB
    THD: 0.02%
    2 ohm STABLE STEREO
    SYSTEM DISTRESS INDICATOR
    HIGH/LOW LEVEL INPUTS WITH FLOATING GROUND
    4-GAUGE POWER/GROUND CONNECTION
    PLATINUM RCA CONNECTORS
    LINE OUTPUT WITH FLOATING GROUND

    BLUE LED
    CHROME TOP PLATE PANEL 2-CHANNEL CLASS A/B GOTHIC SERIES AMPLIFIER (800-WATT)

    Aug 18, 2009 | Power Acoustik GOTHIC OV2-800 Car Audio...

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