1. Honda Acura Check Engine Light CEL Codes OBD0 OBD1 & OBD2
(DIY Articles/Performance Do It yourself)

... Sensor Circuit Low Voltage P0103 Mass Airflow (MAF) Sensor Circuit High Voltage P0106 Manifold Absolute Pressure (MAP) Sensor Range/Performance Problem P0107 Manifold Absolute Pressure (MAP) Sensor Circuit ...

2. Audio Glossary of Terms
(Technical/Definitions)

... of a signal by increasing the current or voltage. 2 May also be used to isolate or control a signal and even decrease the level as in a line output converter.       • Amplifier, Power - An amplifier designed ...

3. Amplifier ratings and Marketing
(Electronics/Car Audio Electronics)

Under/overrated amplifier Power Ratings and the effect of varying battery/alternator voltages. People often get excited when they find out that the amplifier that they purchased, had in fact, an underrated ...

4. Battery Training, Preparing your 12V Battery for SPL Competition & Care
(Electronics/Auto Electrical for the Car Stereo)

... visit your local battery store which stocks the battery you're after and Take Your Multimeter ! Probe each battery available in the 20V DC range until you find the one with the highest floating voltage, ...

5. How to use an Oscilloscope (CRO) to identify clipping
(Electronics/Car Audio Electronics)

... Yes, you use the same method. Just disconnect the speakers from their terminals and connect the CRO probe to them instead. You can also connect the DMM to find out the voltage output. Just make sure the ...

6. Capacitors tested in a real world enviroment
(Electronics/Car Audio Electronics)

... RTA  Test Method: Amp hooked up to  CRO, gains adjusted @ 60 Hz until clipping, and then backed off. LP Xovers set to 80 Hz using CRO & DMM. Engine idling @ 800RPM. Tests run with voltage on ...

7. Diagnosing amplifier protection mode faults
(Electronics/Car Audio Electronics)

... chassis. 2. Check amp power cables for voltage using a multimeter. Connect to the + & - and confirm 12V or more. Verify 11V or more with the engine off, 12v or more with it on. 3. Check amp start wire ...

8. Testing if your Earthing is Good and The Big Three Upgrade
(Electronics/Auto Electrical for the Car Stereo)

... its power source before measuring resistance. Ground circuit resistance can also be checked by measuring the voltage drop across the circuit with a DVOM set on, the 2 volt scale. The voltage drop will ...

9. Root Means Square, RMS Means Real Power. AKA. Lets measure my amps REAL power output
(Electronics/Car Audio Electronics)

Lets learn a few basics.. how to measure AC amps, AC voltage, ohms law, watts law, and how to use them to accurately calculate what your amps doing. For measuring power you need to measure AC Volts and ...

10. 4 x 12s and 3000wrms in a Kia Sportage
(Install/Car Audio Installation)

... subs). The amps were loaded to only 2 ohms and with the addition of a second Optima D34 voltage wasnt an issue, the majority of the time the voltage held at around 13.5v with the car running. With the ...

11. Modding an Earthquake Power House PHD2 Shredder
(Electronics/Car Audio Electronics)

... R37 with 75kohm This will increase rail voltage for more power output.  Anti-feedback on HIP4080 output side IC. Use Zener diode 1.5KE68A between Pin 18 -> 20, Pin 4 -> 2. This should ...

12. Eliminate Engine Noise
(Electronics/Auto Electrical for the Car Stereo)

... sound that varies with engine speed. The high voltages used in our ignition system can also produce an electromagnetic field that causes noise. This usually appears as a ticking or clicking sound that ...

13. Sealed vs Ported (tested)
(Technical/Theory and Physics)

... ports were plugged with towels. The enclosures response in 6.868 cubes sealed is as flat as it will be getting. Engine idling @ 2,000RPM. Tests run with voltage on amp terminals showing @ 14.1V idle ...

14. Accumatch Impedence Drivers (Tested)
(Electronics/Car Audio Electronics)

... following are test results I conducted using the Accumatch AM-500, a JBL BPX2200.1 amplifier & JBL's W15GTi subwoofer with duel 6ohm coils.The BPX2200 features two modes of operation. High voltage ...