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Tsunami LITEWAVE Series PP912UM-CAP

1.2-farad canister-style capacitor with blue LCD meter

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  • Tsunami LITEWAVE Series PP912UM-CAP

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Item# 120PP912U
 

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Original price $69.99
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Our take on the Tsunami LITEWAVE Series PP912UM-CAP

by Matt Freeman

With Tsunami capacitors, you'll never have to worry about getting enough power to the amplifiers in your high-end mobile audio system. This Lite Wave Series 1.2-farad cap stores up a reservoir of power, and delivers it exactly when your amps, subs, and speakers need it most.

The blue LCD meter shows you just how much juice your cap is putting out. Blue flashing LEDs add a cool look to your installation. An audible warning lets you know if the voltage is too low or too high.

Highlights:

  • 1.2-farad capacitor (24-volt surge)
  • blue LCD meter
  • flashing blue LEDs
  • audible low/high-voltage warning
  • 4-15/16"W (3" without bracket) x 10-7/16 x 3-3/8"D
  • warranty: 1 year
  • Our 60-day money-back guarantee
 

Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • One 1.2 Farad capacitor (charging bulb attached)
  • Spare charging bulb
  • 2 Mounting bracket bases (installed)
  • 2 Mounting bracket straps (installed)
  • Eight 5/8" Self-tapping screws (4 installed)
  • 3/16" Allen wrench
  • Plastic terminal cover (installed)
  • Instructions

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Overview
Features
Installation
Specifications

Overview

Overview: The overall response of your audio system will be enhanced with the use of capacitors due to their ability to store a large amount of current and discharge it quickly to supplement your amplifier's power supply during high current demand (bass note). The Tsunami capacitor is a logical addition to your system due to the fact that automotive batteries aren't designed to deliver the current to satisfy the requirements of high powered audio components. It can also filter AC voltage induced in the system by the amplifier's power supply which could cause objectionable noise. One Farad of capacitance is recommended for each 1,000 watts of amplifier power, but you can never have too much capacitance for any system.

Features

Display: There is a digital charge level indicator display. The digital display shows your precise voltage in 0.1 volt steps.

Flashing LEDs: There are eight blue LEDs that pulse with the charge/discharge cycles.

Audible Voltage Warning: If the voltage drops below 10 volts or rises above 17.5 volts the capacitor emits an audible alarm.

Installation

Installation: On the top of the capacitor there are two screw terminals, one positive and one negative. The positive terminal  is connected to the battery (and fused at the battery) and to the positive input on the amp. The negative is grounded to the car's chassis. Ring terminals with minimum inner diameter of 0.244" (6.2mm) should be used to connect all the wires.

Charging Bulb: The capacitor comes with a charging bulb built into the top of the capacitor to assist you in initially charging the capacitor. A separate charging bulb is also included in the package.

Specifications

Specifications:

  • Capacitance: 1.2 Farad
  • Maximum Operating DC Voltage: 24 volt/30 volt surge
  • ESR (Equivalent Series Resistance): < 0.002 ohm
 
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Tsunami LITEWAVE Series PP912UM-CAP Reviews

Average Customer Review:

36 people say:

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2 out of 5

Not happy

Written By Anonymous, Ms on Sunday, August 25, 2013
Crutchfield Customer Review (What's this?)
 
My particular unit did not automatically cut on every time as advertised. Worked good when it came on. Just a bad unit.
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4 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By Anonymous, APO Bavaria, Germany on Wednesday, July 31, 2013
Crutchfield Customer Review (What's this?)
 
Not sure if the lights are suppost to go off after a couple of minutes but they do...other than that I think it is working. I installed in a BMW 525i and it is hooked up to a MTX jackhammer amp pushing two MTX 12's. No lights dimming. Seems to work fine.
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5 out of 5

Cool cap

Written By Vic, Cibolo, Tx on Sunday, June 09, 2013
Crutchfield Customer Review (What's this?)
 
This cap is really good I have it hooked up to my 2"13 maxima and apart from looking good because of the blue number display it really helps my amp push the heck on my subs, I was worried because it cost more than some others that were offered to me at the sound shop, but I'm glad I ended up keeping this one it's just perfect. Never see my car lights dim and I have a pair of powerful subs with a really great amp that shakes my car whole interior it's just clean bass.
Pros:
Love the look, works like a charm.
Cons:
It's hardly ever on but does the job.
1 out of 1 people found this helpful
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5 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By Derek, Liberty, NY on Thursday, April 25, 2013
Crutchfield Customer Review (What's this?)
 
Excellent product. Finished off my sound project perfectly and saved me from having to upgrade electrical system.
Pros:
LEDs
Cons:
Expensive
1 out of 1 people found this helpful
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5 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By Dbang, Richland Center, WI on Wednesday, March 13, 2013
Crutchfield Customer Review (What's this?)
 
Great product, the LED'S are very bright so i can see what im voltage is with out having to stick my head in my trunk! thing preforms like a BOSS! Helped cure the dash light and headlight dim in my 04 GTO.
Pros:
LED'S are REALLY BRIGHT
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5 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By Anonymous, ohio on Thursday, February 14, 2013
 
nice
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5 out of 5

Awesome

Written By Anonymous, Califon, New Jersey on Friday, January 18, 2013
Crutchfield Customer Review (What's this?)
 
Awesome cap, makes my subs sound even better, glad I bought it!
Pros:
The blue leds
Cons:
Expensive
1 out of 1 people found this helpful
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4 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By Anonymous, reno on Friday, August 17, 2012
Crutchfield Customer Review (What's this?)
 
so far so good. Just a small note if you lone your car out to your girlfriend let her know that their is a capatitor in the trunk and it might start screaming at her, aparently it will make the sound with ingtion off and when running, i personaly have never heard it but it scared the crap out of girlfriend. It has been installed in my 1967 mustang and it has help quite abit with headlight dimming; but lights still dim but not noticable unless you are really looking at them. just a rough guess i would say its about 90% better than it was.
Pros:
keeping fingers crossed
Cons:
kinda big
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3 out of 5

eh..

Written By downs9210, illinois on Monday, June 25, 2012
Crutchfield Customer Review (What's this?)
 
Its works.... but its over priced... any other brand or 1.2 is like 20 bucks.... they all do the same thing so just shop around... I also didn't look at the size to power thing and its wayyyyy to small for my system... so now I've gotta find a four farad... which I have.... for a third the price... crutchfield is amazing as always. Just not this brand...
Pros:
Works.
Cons:
Wayyyy to expensive
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1 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By ZLH, Aurora, CO on Thursday, December 15, 2011
Crutchfield Customer Review (What's this?)
 
I am unable to offer a review one way or the other with this product. What I can do, however, is give my two cents for potential buyers. I ordered it, it arrived, it did not work, and I returned it for a refund. I read all of the reviews on this product before purchasing it and I was very apprehensive the entire time. Perhaps it was simply a lemon, and I hope this is the case, but it did not work. Furthermore, having two sets of installation instructions [that are completely different] that contain typos is also a turn off. If the need for a capacitor arises in the future I will look to Crutchfield before anywhere else, but I will not look to Tsunami first.
Pros:
N/A
Cons:
N/A
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5 out of 5

Oh Cap!

Written By What?, San Diego on Thursday, March 17, 2011
Crutchfield Customer Review (What's this?)
 
Great looking product, easy install, works as advertised!
1 out of 1 people found this helpful
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5 out of 5

tivo11

Written By TrevorW, holly springs, NC on Wednesday, December 01, 2010
Crutchfield Customer Review (What's this?)
 
i was amazed by the outcome after setting it up, I no longer have lighs dimming which
causes stress on electrical system. What i truly love most about it is the vibrant blue
LED light flashing from it. At night it looks as if i am a cop car approaching you from far
away because the lights are soo bright.
2 out of 5 people found this helpful
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5 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By Schalkusn, Shawnee,Ks. on Monday, October 18, 2010
Crutchfield Customer Review (What's this?)
 
I put this Cap. in my boat to help with the needed power the amp and powered sub needs. So
far its has made a real nice differance.
2 out of 2 people found this helpful
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5 out of 5

Awesome

Written By Tyler, Abington, PA on Friday, May 14, 2010
 
I installed it myself, but for some reason i blew my fuse? I did everything correctly. Unplugged power from battery. Then I hooked up wires. Reconected. Started car, worked for a sec then stopped. My fuse by my battery blew. Idk why? I replaced the fuse and everything was fine though!! This cap is awesome it has stopped my headlights from dimming, and it seems like my subs are a bit more precise when they hit.

I would completely recomend this cap for a system that has a bit of power.
1 out of 2 people found this helpful
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5 out of 5

Great Investment

Written By Mike, Tampa, Fl on Wednesday, March 03, 2010
Crutchfield Customer Review (What's this?)
 
I purchased a Kenwood KAC-9104D 500W x 1 Car Amplifier and I knew that I needed a
capaciitor to help save my electrical system. I purchased this with my amp to help power
my subs and I surely can tell youu that having this capacitor made a difference with my
system. I hooked my subs and amp up without it for a day or so before installing this
capacitor so I could see if I could tell a difference.; and it made a huge difference. My
subs sound much better and they hit very hard. The lue lights are an added bonus
considering that the illumination on my deck is blue and their is a blue accent light on
my amp as well. normally the lights on my car would be constantly flashing whenever
the bass hit; but this capacitor actually helps. The only time that the lights start flashing
is when I turn the bass and the volume up trying to show my system off. This capacitor
was a great investment considering that it would take the extra strain off of my electrical
system.

I would highly recommend this capacitor to anyone who wants to add more power to
their system and also take some strain off their electrical system!
7 out of 7 people found this helpful
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5 out of 5

Great Product

Written By Curt, Bismarck, ND on Sunday, September 20, 2009
Crutchfield Customer Review (What's this?)
 
Great capacitor and it looks cool too with the blue lights. Before my amp would cut out during long periods of bass but this capacitor has solved all my problems and works great. Definitely would recommend!!!
4 out of 4 people found this helpful
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4 out of 5

Good product just ok directions

Written By DFA82, Fayetteville, NC on Tuesday, June 23, 2009
Crutchfield Customer Review (What's this?)
 
The first one I got didn't work right I am not sure if it was the items fault or the dummies that installed it. I tried to tell them that this one didn't req you to charge it up and they insisted that you had to. Well I got the replacement in the mail today and just unhooked the broke one and put the new one in there and bam works great the leds are cool they let you know when it is working. So all you have to do is connect the ground and then hook up the wire from the battery and you are done nothing else it will charge itself and you don't have to do anything after you hook the neg and pos up.
2 out of 2 people found this helpful
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5 out of 5

I am a believer !!!

Written By Glenvall, Batesville, Arkansas on Saturday, June 06, 2009
Crutchfield Customer Review (What's this?)
 
I had never used a capacitor in the past and have installed many car audio systems. I am an experienced audiophile, but sorta 'old school'. I just installed this capacitor with an Alpine 4-way amp and Kenwood 3-way speakers. I cannot believe my ears !!! It makes those little oval speakers sound so good and slap so hard !!! I will always use capacitors from now on. The lights and/or sound are not a nuisance. It is also so cool to be able to look down and see what your vehicle voltage is running !!! It was very easy to install and charges itself. I am a believer !!!

Rock On !!!

5 out of 6 people found this helpful
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5 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By dieseldog20, Stationed Overseas on Wednesday, April 08, 2009
Crutchfield Customer Review (What's this?)
 
Baught this cap alittle less than a year ago and am VERY pleased with it. Liked the fact that i didnt have to charge or discharge it and i think that the charging lights add a nice touch to my system. I do however want to do the "Big 3" to help out with the dimming of the lights issue but i recommend this product to anyone looking for a cheaper way of upgrading you sound system.
4 out of 4 people found this helpful
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5 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By Bret, Valrico, FL on Tuesday, April 07, 2009
Crutchfield Customer Review (What's this?)
 
Great capacitor. The first one received was defective and Crutchfield sent replacement out right away and new one works like a champ. Great customer service no problems.
1 out of 1 people found this helpful
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5 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By David, Dothan, AL on Monday, March 30, 2009
Crutchfield Customer Review (What's this?)
 
Works great. Down-loadable owners manual out of date. No included
charge or discharge apparatus. Charge is now built into the unit. Connect
battery cable without the sound system on and unit charges by itself. It is
in the new instructions.
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5 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By 1laguzzi, Pennsylvania on Monday, February 16, 2009
Crutchfield Customer Review (What's this?)
 
Recommend by cruthcfield adviser Chad, no hassles.
2 out of 3 people found this helpful
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4 out of 5

Clear Peaks

Written By Robert, Hawaii on Wednesday, December 03, 2008
Crutchfield Customer Review (What's this?)
 
So I installed this cuz I had a terrible cap and my battery was at 70% charge and the dealship wanted to replace my battery. So I bought this and now my battery is fine. The music is also clearer and the peak notes high and low don't bog now. If I crank it up it still dims my headlights (2 amps @ 660W RMS) but at least the music is clearer and my battery is in better shape. Good investment all in all. I probably need to do a big 3 cable upgrade since my alternator only puts out 90amps.
4 out of 4 people found this helpful
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5 out of 5

well worth the money

Written By Jim, naples fl on Monday, November 24, 2008
Crutchfield Customer Review (What's this?)
 
fast easy install workes great
i could do without the led light show but a little black tape and thats all gone
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5 out of 5

Solid product for the cost

Written By Iassic, torrington, ct on Sunday, September 14, 2008
Crutchfield Customer Review (What's this?)
 
Solid product, easy install. Make sure you have a fuse right before your cap along with right before your battery just for safety measures. If you need to discharge the cap, get a 1 Ohm resister. that should do the trick, but definitely check it with a multi-meter before handling the terminals

Amp: 800 watt.
the cap is rated for 1.2 fared, so if you're running an 800 watt or less total power consumption of your amps, this cap is great for what you need.

Another note, the blue charging LED's look like blue police lights at night. If you are worried about the lights, just cover the acrylic top with something and you don't have to worry about it
3 out of 3 people found this helpful
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5 out of 5

A capacitor is necessary for any amplifer set-up

Written By Michael, Akron, OH on Wednesday, July 30, 2008
Crutchfield Customer Review (What's this?)
 
I installed an Alpine MRP-450 amp, running a Kicker 12" Compvt. Enclosed Sub. (2 ohm load), along with an excellent sounding 50 X 2 amp, powering a set of Infinity Ref. 6 3/4 with a set of Ref. tweeters. (Also a 2 ohm load) I believe that having a capacitor is necessary for any set-up, especially if your running a lot of power like I am. I have all that, along with a Kenwood head unit running a set of Boston Acoustics 4 X 6's and another set of Ref. tweeters, (which aren't wired to the cap.) in a regular cab S-10; it's insanely loud AND clear. There's no strain whatsoever on the cars power system; the voltmeter hasn't changed habits at all since the installation. The capacitor could probably do without the blue LED's lighting up EVERY time there's some extra power saved up being used. (At night, until I got used to it, I thought there was a police car behind me) But, if I ever need the low or high warning, it's nice to have. If you only run one amp., even a small one, I'd recommend a capacitor. Any amp. is going to tax your cars electrical system, the capacitor makes the sound cleaner and it's cheaper and easier to install than a battery, alternator or figuring out what might be wrong with your elec. system. My electrical sys. is all new, so I might as well keep it working well. I'd recommend the 5 farad cap.; it's actually smaller than the 1.2, according to the technician. Excellent product, should be a standard part of any installation.
7 out of 7 people found this helpful
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2 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By Jon, Wisconsin on Saturday, June 28, 2008
Crutchfield Customer Review (What's this?)
 
When I first installed the capacitor I was very satisfied with the look and ease of installation. After a while, however, the charging area of it really annoyed me. Whenever it charges, it produces a shrill ringing sound, not anything like i thought it'd be like.
2 out of 9 people found this helpful
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5 out of 5

Excellent!

Written By Michael, Succasunna, NJ on Tuesday, May 06, 2008
Crutchfield Customer Review (What's this?)
 
I just hooked this
cap up to my sub amp
and it makes a huge
difference.
The subs in my trunk
are smoother and
louder then ever.
The instructions
can be a bit short
and confusing, but
Crutchfield customer
support cleared
them up for me.
This is the easiest
capacitor to install
you can buy.
You don't have to
worry about sparks
or explosions at
all. It comes ready
to be wired up with
no initial charge.
It does it its self
as soon as you turn
on the car. It even
has bright blue LCD
lights and sounds to
entertain you
while it charges.
Great addition for
any system. Maybe
now my brand new
battery wont die for
the 3rd time.
4 out of 4 people found this helpful
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5 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By Dan, Michigan on Thursday, May 24, 2007
Crutchfield Customer Review (What's this?)
 
I never used a cap before, but decided to use one because I went with a larger amp and subs for my new system, and in my last car I went through two alternators, and they are a pain to replace in a Neon.

I first hooked it up without the cap to make sure it all worked before I hooked everything up, and you could definitely tell a difference in volume and sound quality after the cap was installed, and I'm running 2 12's with only a 325w Rockford amp. For the price I think it is definitely worth it especially for the strain it takes off your electrical system.

I glanced over some of the other reviews. I don't understand what they meant about no documentation for installation. It comes with a pretty easy to follow wiring diagram and short instructions. I didn't use a resistor, just took the fuse out of my amp wire, hooked up the cap, started the car, put the fuse back in and let it charge. It took about 10 seconds to charge. Worked fine and couldn't have been easier.
19 out of 19 people found this helpful
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5 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By Daniel, Montgomery, AL on Friday, April 13, 2007
 
I must admit before I was skeptical about installing a capacitor and wondered if it would actually do anything for me. But Tsunami has really impressed me, no need for a potentially dangerous 'charge' like other capacitors, it just automatically did so when I applied power. This is how it works-

once powered it will charge from your car's battery in about 5-10 seconds. during this period the pretty blue leds around the top will blink indicating that the cap is charging or later indicate draining.
it will reach full charge and show a status of the voltage not of just itself but of the whole system (bat + cap)
turn up your sound system and crank the bass and the LEDs will go from a steady 'on' to blinking when the cap is being used for its intended purpose.
whenever the car is turned on or power is applied or changed in the system the cap will turn on showing a voltage status, this might get annoying to some people but to me it just let me know it's doing it's job. (for me when i use my key remote to lock the doors the cap will light up)
it will only stay lit for 60 seconds once it's initially used then turn off to conserve power.
I have not tested it yet but I think it's alarm will sound if there is a stress on the system and your car's battery is dying, infact it appears to help prevent the battery from draining.
to make a long story short, my lights no longer dim! really thats the most you can expect from a cap but the overall package of this cap is really well executed! bravo Tsunami!
25 out of 27 people found this helpful
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5 out of 5

A must for the most from your amplifier!

Written By Gary, Knoxville, TN on Monday, February 26, 2007
Crutchfield Customer Review (What's this?)
 
There's alot of talk about whether or not adding a cap to your system really makes any difference. I wasn't sure myself before I purchased this one, but I decided to take a chance and I can't tell you how glad I am that I did. I recently moved my 300W(rms) 10" sub & amp to my new '05 Civic and noticed that it wasn't hitting as hard as it used too. I had a feeling it was because the amp was not getting the same power now because of the smaller battery and alternator. I was right! After adding this cap, not only do my headlights not dim at all now, but I've had to cut the bass to my sub by half and will now have to buy an amp for the other speakers to even them up to what this sub is doing now. If you want power from a small import car, YOU NEED THIS! The resistor isn't included with the cap, but I bought a 10ohm resistor just to be on the safe side @ the initial charge. The cap will discharge in a few seconds and shut off when it reaches your battery's voltage (~12.1V), so it will not kill your battery (first reviewer must have had a bad one or hooked up wrong). This cap almost doubled my amp's power and thats no lie! If your running 500 or more RMS I'd recommend a little more capacitance, but for me this was the perfect addition. I have more bass now from one 10 than I'll ever need and bookoo trunk space to boot!
P.S. I think you could get away with the initial charge without the resistor, just make sure everything's well grounded.
13 out of 13 people found this helpful
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5 out of 5

Installation Instructions

Written By Kevin, Philadelphia, PA on Monday, January 01, 2007
 
First of all I would like to say that I did notice quite a difference after Installing this Unit. Even after searching the internet and tsunami's page itself there was no mention of the correct way to charge the capacitor. There was only scary mention of what happens when you do it incorrectly. I searched for several hours of a resistor that was supposed to used for the initial charge. It was even mentioned in the directions on how to install the unit. So let it be known that this capacitor does not require any additional steps in order to initially charge it. This Capacitor does it itself when you connect it to the positive and negative cables. After figuring that part out it was very easy to add this to your system and I would highly recommend that you do.
14 out of 14 people found this helpful
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4 out of 5

Would have been a Five Star, but...

Written By Fred, from Ocala, Fl; unfortunatly residing in Kuwait on Monday, August 14, 2006
 
...I had to go onto the internet to find out how to hook it up! The directions give instructions for charging the cap, but not on the correct way to hook this device up in your sound system. Considering how much damage one of these things can do, I think that would be an important bit of information, don't you? Me too. Very poor documentation, overall.

Also, although it is not mentioned anywhere in the product description, nor shown in the pictures of the device, this cap does come with mounting brackets installed. Would have been nice to know that in advance, huh? So, I figured I'd let you know.

However, I am satisfied by the overall quality of this item. I would, and probably will, purchase one again.

Fred

14 out of 25 people found this helpful
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5 out of 5

Tsunami LITEWAVE Series PP912UM-CAP

Written By oscar, Washington on Saturday, August 12, 2006
Crutchfield Customer Review (What's this?)
 
The install was way easier than I thought it would be, I cant believe I almost payed someone 75 bucks to install an inferior product! Doing it yourself is great because you save money, you also know how the product is hooked up and that the job was done right. The blue led voltage display really adds style to my system. The best part is that I can turn the volume up about 20% higher before the lights dim! It looks like something complicated to hook up, but it was easier than installing a pair of speakers - I just bolted it to the floor and hooked up 3 wires!
9 out of 11 people found this helpful
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5 out of 5

Great!

Written By DJ, Southbridge, MA on Tuesday, July 25, 2006
Crutchfield Customer Review (What's this?)
 
I've bought this capacitor for my Infinity Basslink(250 Watts RMS) and so far, it has not let me down! Before, my lights would dim for each bass hit. Now with the capacitor, my lights won't dim anymore.
4 out of 6 people found this helpful
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4 out of 5

Very descent

Written By Pete, Hebron, CT on Thursday, April 06, 2006
 
I bought this to compliment a 500x1 channel JL amp running a 10w7. When the amp is CRANKED running at just about full power there is still a tiny bit of noticible light flicker. However, for everyday use it is certainly worth the $99.99 and not only improved the sound but also kept my headlights from freaking out. If I was buying it again I would probably buy the 1.5 fared cap but this one is certainly a good deal for the money I spent!
70 out of 78 people found this helpful
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For a more in-depth review and enhanced detailed information on the Tsunami LITEWAVE Series PP912UM-CAP, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_120PP912U/Tsunami-LITEWAVE-Series-PP912UM-CAP.html ).