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SOUND CERTIFIED
What Is An 8 Ohm, 4 Ohm, 2 Ohm Or Other Impedance Speaker? Welcome to Sound Certified! I’m here to provide informative articles, product reviews, and buying guides to help you. Visit my About page to read about who I am and what I do. Need anything? You can use my Contact page to send a message anytime. HOW TO HOOK UP A CAR STEREO TO AC POWER (WITH DIAGRAMS)HOW DO YOU HOOK UP A POWER SUPPLY TO A CAR RADIO?CAR STEREOS HAVE 3 POWER WIRES THAT HAVE TO BE CONNECTED IN ORDER TO WORK:GROUND/NEGATIVE, 'GND' WIRE: CONNECT TO THE POWER SUPPLY NEGATIVE TERMINA...CAN YOU HOOK UP A CAR STEREO TO A HOUSE OUTLET?THE QUICK ANSWER IS YES, WITH THE RIGHT POWER SUPPLY, YOU CAN HOOK UP A CAR STEREO TO A HOUSE OUTLET WITH 120V OR EVEN 220V POWER. YOU CANNOT, HOWE...WHAT CAN I USE TO POWER A CAR STEREO AT HOME?TO POWER A CAR STEREO AT HOME, YOU'LL NEED AN AC-DC POWER SUPPLY WITH 12 TO 13.8V OUTPUT AND A FEW AMPS OF CURRENT OUTPUT. A 2.5A TO 5A SUPPLY IS R...IS A CAR RADIO AC OR DC?CAR RADIOS USE DIRECT CURRENT (DC) & VOLTAGE TO POWER THEIR ELECTRONICS WHILE HOME ELECTRONICS USE ALTERNATING CURRENT (AC) WITH A MUCH HIGHER VOLT... The quick answer is yes, with the right power supply, you can hook up a car stereo to a house outlet with 120V or even 220V power.You cannot, however, directly connect a car stereo to an outlet. However, you’ll need to know just a few things to make sure you don’t have any headaches or potentially destroy your car stereo. HOW TO INSTALL AND WIRE CAR SPEAKER CROSSOVERS THE RIGHT WAYHOW DO YOU HOOK UP A CROSSOVER TO A SPEAKER?TO HOOK UP A CROSSOVER TO A SPEAKER, CONNECT THE SPEAKER WIRING TO THE LABELED SPEAKER TERMINALS BEING SURE TO MATCH THE POSITIVE AND NEGATIVE POLA...WHAT GOES FIRST EQ OR CROSSOVER?AN EQUALIZER (EQ) SHOULD BE USED FIRST BEFORE A CROSSOVER. EQUALIZERS ARE USED TO ADJUST AND ENHANCE THE MUSICAL SIGNAL BEFORE IT'S SPLIT UP FOR FU...HOW DO YOU HOOK UP A CROSSOVER TO A CAR AMPLIFIER?ELECTRONIC CROSSOVERS ARE CONNECTED BETWEEN THE SIGNAL SOURCE (CAR STEREO) AND THE AMPLIFIER'S RCA INPUTS. CONNECT THE FULL-RANGE, HIGH-PASS, AND/O...HOW DO YOU CONNECT AN EQUALIZER TO A CROSSOVER?AN EQUALIZER IS NORMALLY CONNECTED TO A CROSSOVER BY USING RCA CABLES FROM THE EQ'S OUTPUT RCA JACKS. THIS CONNECTS TO THE MAIN FRONT (OR FRONT AND... It’s generally easier to put a crossover near the component speakers when upgrading (or adding your own) 2-way speaker systems.However, there’s no reason you have to most of the time. When it’s convenient, you might find it helpful to keep the crossover closer to the car stereo or amp, saving the need to do more work or run new speaker wire to go to it. WHAT SIZE SPEAKER WIRE IS RIGHT? SPEAKER WIRE FACTS & GUIDE Speaker wire size quick guide. For most cases using home or car speakers (not subwoofers) 18 gauge (18AWG) is fine. 18AWG wire is good for about 50W for 4 ohm (car) speakers and 100W for 8 ohm (home stereo) speakers. For higher power systems or CAN I CONNECT SPEAKERS DIRECTLY TO MY TV? WHAT TO KNOW As shown in the diagram, you’ll need to connect the amplifier to the TV’s audio outputs using RCA cable or in some cases, and 3.5mm adapter also. Most mini amps come with an AC-DC wall power supply you’ll plug in. Next, you’ll connect the amp to HOW TO ADD A RESISTOR TO A SPEAKER TO CHANGE IMPEDANCE Insulate any exposed resistor leads so they can’t short to speaker wire or metal. Always make sure the speaker or resistor wire is fully covered & not exposed. A resistor connected in series simply adds its resistance to the speaker impedance rating. (Ex.: A HOW TO TELL THE IMPEDANCE OF A SPEAKER Find the total impedance (represented by “Z”). Find the root of the sum of the squares of both Re and Xl: Z = ( (3.0)^2 + (1.759)^2)^-1 = 3.142 Ohms (Ω) Therefore, for our example speaker, the total impedance at 1kHz is 3.142 Ω, only a little bit higher than the voice coil’s own resistance. HOW TO SET CROSSOVER FREQUENCIES FOR YOUR CAR AUDIO SYSTEM Set the front channel or front and rear (if using both) crossover switches to “HP” or however they’re labeled for the high pass function. Adjust the crossover frequency control to the lowest setting (this is usually around 50Hz for most amps). Using a small screwdriver, turn it DOES SPEAKER WIRE AFFECT SOUND QUALITY? NO MYTHS, JUST FACTS Speaker wire & sound quality fast facts. Under normal circumstances, the answer is NO: speaker wire does not affect sound quality. However, in some cases, (explained in further below) sound quality or volume can be affected somewhat. There’s no scientific test data to back up the (misleading) idea that “special” or “audiophile COMPONENT VS COAXIAL SPEAKERS: DIFFERENCES AND WHAT TO KNOW Component speakers, however, have better crossovers (-12dB/octave minimum, usually) and better tweeter materials like silk, aluminum, or others. Coaxial speakers tend to have lower power ratings while component speakers tend to have higher power rating limits.SOUND CERTIFIED
What Is An 8 Ohm, 4 Ohm, 2 Ohm Or Other Impedance Speaker? Welcome to Sound Certified! I’m here to provide informative articles, product reviews, and buying guides to help you. Visit my About page to read about who I am and what I do. Need anything? You can use my Contact page to send a message anytime. HOW TO HOOK UP A CAR STEREO TO AC POWER (WITH DIAGRAMS)HOW DO YOU HOOK UP A POWER SUPPLY TO A CAR RADIO?CAR STEREOS HAVE 3 POWER WIRES THAT HAVE TO BE CONNECTED IN ORDER TO WORK:GROUND/NEGATIVE, 'GND' WIRE: CONNECT TO THE POWER SUPPLY NEGATIVE TERMINA...CAN YOU HOOK UP A CAR STEREO TO A HOUSE OUTLET?THE QUICK ANSWER IS YES, WITH THE RIGHT POWER SUPPLY, YOU CAN HOOK UP A CAR STEREO TO A HOUSE OUTLET WITH 120V OR EVEN 220V POWER. YOU CANNOT, HOWE...WHAT CAN I USE TO POWER A CAR STEREO AT HOME?TO POWER A CAR STEREO AT HOME, YOU'LL NEED AN AC-DC POWER SUPPLY WITH 12 TO 13.8V OUTPUT AND A FEW AMPS OF CURRENT OUTPUT. A 2.5A TO 5A SUPPLY IS R...IS A CAR RADIO AC OR DC?CAR RADIOS USE DIRECT CURRENT (DC) & VOLTAGE TO POWER THEIR ELECTRONICS WHILE HOME ELECTRONICS USE ALTERNATING CURRENT (AC) WITH A MUCH HIGHER VOLT... The quick answer is yes, with the right power supply, you can hook up a car stereo to a house outlet with 120V or even 220V power.You cannot, however, directly connect a car stereo to an outlet. However, you’ll need to know just a few things to make sure you don’t have any headaches or potentially destroy your car stereo. HOW TO INSTALL AND WIRE CAR SPEAKER CROSSOVERS THE RIGHT WAYHOW DO YOU HOOK UP A CROSSOVER TO A SPEAKER?TO HOOK UP A CROSSOVER TO A SPEAKER, CONNECT THE SPEAKER WIRING TO THE LABELED SPEAKER TERMINALS BEING SURE TO MATCH THE POSITIVE AND NEGATIVE POLA...WHAT GOES FIRST EQ OR CROSSOVER?AN EQUALIZER (EQ) SHOULD BE USED FIRST BEFORE A CROSSOVER. EQUALIZERS ARE USED TO ADJUST AND ENHANCE THE MUSICAL SIGNAL BEFORE IT'S SPLIT UP FOR FU...HOW DO YOU HOOK UP A CROSSOVER TO A CAR AMPLIFIER?ELECTRONIC CROSSOVERS ARE CONNECTED BETWEEN THE SIGNAL SOURCE (CAR STEREO) AND THE AMPLIFIER'S RCA INPUTS. CONNECT THE FULL-RANGE, HIGH-PASS, AND/O...HOW DO YOU CONNECT AN EQUALIZER TO A CROSSOVER?AN EQUALIZER IS NORMALLY CONNECTED TO A CROSSOVER BY USING RCA CABLES FROM THE EQ'S OUTPUT RCA JACKS. THIS CONNECTS TO THE MAIN FRONT (OR FRONT AND... It’s generally easier to put a crossover near the component speakers when upgrading (or adding your own) 2-way speaker systems.However, there’s no reason you have to most of the time. When it’s convenient, you might find it helpful to keep the crossover closer to the car stereo or amp, saving the need to do more work or run new speaker wire to go to it. WHAT SIZE SPEAKER WIRE IS RIGHT? SPEAKER WIRE FACTS & GUIDE Speaker wire size quick guide. For most cases using home or car speakers (not subwoofers) 18 gauge (18AWG) is fine. 18AWG wire is good for about 50W for 4 ohm (car) speakers and 100W for 8 ohm (home stereo) speakers. For higher power systems or CAN I CONNECT SPEAKERS DIRECTLY TO MY TV? WHAT TO KNOW As shown in the diagram, you’ll need to connect the amplifier to the TV’s audio outputs using RCA cable or in some cases, and 3.5mm adapter also. Most mini amps come with an AC-DC wall power supply you’ll plug in. Next, you’ll connect the amp to HOW TO ADD A RESISTOR TO A SPEAKER TO CHANGE IMPEDANCE Insulate any exposed resistor leads so they can’t short to speaker wire or metal. Always make sure the speaker or resistor wire is fully covered & not exposed. A resistor connected in series simply adds its resistance to the speaker impedance rating. (Ex.: A HOW TO TELL THE IMPEDANCE OF A SPEAKER Find the total impedance (represented by “Z”). Find the root of the sum of the squares of both Re and Xl: Z = ( (3.0)^2 + (1.759)^2)^-1 = 3.142 Ohms (Ω) Therefore, for our example speaker, the total impedance at 1kHz is 3.142 Ω, only a little bit higher than the voice coil’s own resistance. HOW TO SET CROSSOVER FREQUENCIES FOR YOUR CAR AUDIO SYSTEM Set the front channel or front and rear (if using both) crossover switches to “HP” or however they’re labeled for the high pass function. Adjust the crossover frequency control to the lowest setting (this is usually around 50Hz for most amps). Using a small screwdriver, turn it DOES SPEAKER WIRE AFFECT SOUND QUALITY? NO MYTHS, JUST FACTS Speaker wire & sound quality fast facts. Under normal circumstances, the answer is NO: speaker wire does not affect sound quality. However, in some cases, (explained in further below) sound quality or volume can be affected somewhat. There’s no scientific test data to back up the (misleading) idea that “special” or “audiophile COMPONENT VS COAXIAL SPEAKERS: DIFFERENCES AND WHAT TO KNOW Component speakers, however, have better crossovers (-12dB/octave minimum, usually) and better tweeter materials like silk, aluminum, or others. Coaxial speakers tend to have lower power ratings while component speakers tend to have higher power rating limits. HOW TO TEST A CAR STEREO The truth is that you don’t really need to “stress test” car stereos. Especially with second-hand and used radios, the real goal is just to be 100% sure your car stereo works before you go through the trouble, time, and effort of installing it.. Fortunately, it’s actually fairly easy to do. You’re going to need to do just a fewthings:
HOW TO CONNECT & POWER A CAR AMP IN YOUR HOME + DIAGRAMS Yes, it’s possible to use a car amplifier in your house. You can also connect a car amp to any home stereo, your smartphone, and more as an audio source. There is a catch, though. Because car amps use a different power source than home stereos the HOW DO SPEAKERS WORK? A GUIDE FOR EVERYONE WITH DIAGRAMS Shown here is a speaker diagram labeled with its parts inside shown for understanding. Nearly all standard magnet-driven speakers have the same basic design: a magnet, voice coil or coils, a speaker cone, and some other supporting parts. HOW TO CONNECT A CAR AMP TO A HOME STEREO (WITH DIAGRAMS) 2 x 150W = 300W total. (300W/12V) = 25A. Take into account power waste: 25A/.65 = 38.4A. As you can see, to run a car amp at full power you’ll need a pretty big power supply! However, the good news is that it’s only if you really want to drive the amp at full capacity. HOW TO TELL THE IMPEDANCE OF A SPEAKER Find the total impedance (represented by “Z”). Find the root of the sum of the squares of both Re and Xl: Z = ( (3.0)^2 + (1.759)^2)^-1 = 3.142 Ohms (Ω) Therefore, for our example speaker, the total impedance at 1kHz is 3.142 Ω, only a little bit higher than the voice coil’s own resistance. HOW TO REDUCE TWEETER VOLUME To correct this, we can use a tweeter attenuation circuit with resistors to reduce the decibel output of the tweeters, matching them to the other speakers and improving the sound. To calculate speaker power, you can use the formula (Volts x Volts)/ (Speaker Ohms), or THE BEST BUDGET CAR AMPLIFIERS FOR UNDER $50, $100, & $150 3. Best budget 4 channel amp under $100: Planet Audio AC1600.4. With 150W x 4 @ 4 ohms of power available you can bridge the AC1600.4 to an advertised 600W RMS x 2. This class A/B amp is a good sounding budget amp with enough power to run your favorite custom system. HOW TO EXTEND SPEAKER WIRE: STEP BY STEP INSTRUCTIONS How to crimp speaker wire properly: Strip the wire leaving 3/8″ to 1/2″ bare wire exposed. Tightly twist the wire so it can be pushed into the connector properly. Insert the wire into one end firmly, pushing it into the metal contact inside. Be sure to insert it fully. HOW TO CONNECT A SUBWOOFER TO AN OLD AMPLIFIER OR VINTAGE A subwoofer with speaker-level inputs is especially easy to connect to your older amplifier or receiver! To do so, just connect to the speaker outputs on the source unit using speaker wire and then to the matching inputs on the subwoofer. You can even power speakers from the DOES SPEAKER WIRE AFFECT SOUND QUALITY? NO MYTHS, JUST FACTS Audiophile & hyped-up wire & cables. One of the largest problems I’ve seen over the years is the amount of hype & exaggeration used to sell overpriced cables of all types: speaker wire, audio interconnects (like RCA cables), video cables, and even computer &data cables.
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WHAT IS A WIRELESS TV SPEAKER AND HOW DOES IT WORK? CAN YOU HOOK UP TWEETERS TO THE SAME AMP AS A SUBWOOFER? HOW DOES SPEAKER IMPEDANCE COMPARE TO FREQUENCY RESPONSE? WHAT IS AN 8 OHM, 4 OHM, 2 OHM OR OTHER IMPEDANCE SPEAKER? WELCOME TO SOUND CERTIFIED! I’m here to provide informative articles, product reviews, and buying guides to help you. Visit my About page to read about who I am and what I do. Need anything? You can use my Contact page to send a message anytime. How-To Guides And Info WHAT IS A WIRELESS TV SPEAKER AND HOW DOES IT WORK? CAN YOU HOOK UP TWEETERS TO THE SAME AMP AS A SUBWOOFER? HOW DOES SPEAKER IMPEDANCE COMPARE TO FREQUENCY RESPONSE? SEE MORE HOW-TO GUIDES AND INFO ARTICLES >>Buying Guides
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