Home Made Speaker Box - STEALTH grow - pictures included

Well as the topic states this is speaker box that ive made from scratch, I thought up of the most stealthiest cabinet i can think about and i put it all together. The cabinet measures in at 40" in height, 20" wide & 20" in length, I am going to be using a 250watt Metal Halide for veg with my ballast outside the box.

Let me move onto the pictures & do the explaining.


Sisalation(reflecive stuff) has been attached to only two sides, still busy with the rest.


This is a plain picture without the grilles attached, it looks a little messy on the top but this is because i havent screwed the top on properly due to the light not being put on yet, plastic corners like the bottom will be attached on the 4 corners on top aswell.


This shows hows the finish look will be, note i havent fixed the grills on yet, i am making a plan to make it look like there's a speaker behind there & ive just come up with a plan about 3 hours ago : ) new pics to come soon!


Getting to the intake ports, you will see i have placed them nearly in the middle of the box in front, these are also 4" ports which i will be ducting a little so i can curve a 90 angle for a light trap. On the other hand, i would like to leave the fan part to you professionals, what would you gents suggest for that ?

As seen from these pictures you can see the front and the back, maybe you wondering why's there's nothing attached to the back except the bottom piece but i have attached the picture of what i explained concerning the extraction from the two 4" ports which are placed at the back on the top as seen below. Note My door will be placed in the middle at the back, i am still constructing a nice way of getting some hinges so that nothing sticks out.


now for the big question : What would you gents suggest? > ( A ) I cooltube the light with one extractor fan pulling the air out to the one port THEN using the other port beside it with a mounted home made carbon filter extracting out ?, however i do have One 75mm port infront of the box on the top at the same height as the two ports extracting which i was thinking of using but at the same time thinking of closing. ( B ) leave the cooltube out, Use my reflector & mounting that i have, mount two carbon filters on both ports extracting, perhaps even extract with the 75mm port too ? Sound is not an issue as long as it doesnt go way over 50 db's, my computer will be place close by to disguise the sound in a way.

Here's a close up of the two 4" port holes that fit onto the back, This is how it looks from the inside.


Outside Close up


This is the lighting fixture as described and seen, 250 watt Mh/hps switchable ballast with my reflector and the e40 bulb holder mounting.
I will be placing the ballast in a metal box outside of the speaker box.
I know this is a quite a big light for such a space but im planning on making it work, i would really appreciate help from you guys on this!


Yesterday i attached the lighting fixture with the 250 watt metal halide, i drilled to holes on the underside of the top panel of the speaker and placed the mounting with the wire going outside the box leading to the ballast, this was just a little test i gave a shot, yes this might sound odd but after i placed the light i put on the middle door temporarily then i put on the panel as i showed with the two 4" ports on top, so basically it looked like it was closed up like it would be if it was finished, i have a zalman pc fan about 80 cfm's & another coolermaster fan at about 50 cfm's i left the light on for about 4 hours with the fans running, no intake fans just two extake like i explained, 4 hours later i felt the box and temps seemed to be at about 30 - 35 degrees celsius i think in Fahrenheit its about 90 maybe 100 ? So what you guys think? maybe get another 80 cfm extracting and putting two intakes would sort this out ? Im no expert on fans and all but im just trying to give an idea. i know you guys can help me on this, i aint doubting it !

This is the 80 cfm computer fan below.


Down below i attached a picture of my other growing media, Bio-Bizz Grow , Bio-Bizz Fish Mix, Forgot to put the picture of my Diamond Nectar, Bat Guano, Syringe for nutes and 4 small pots even though i am considering growing 1 blue cheese feminized seed that i have from big buddha.


and with the last pic, my vermiculate & i hope im correct "Coco peat bricks".


I hope i have explained everything in enough detail, i will really appreciate any help that you guys can offer, if there's anything ive said thats stupid or out of line, even if it doesnt make sense please let me know about it,ask or tell me anything! thank you guys&girls! happy smoking it up, one love peace out !

Pretty nifty.

jeez i had to zoom my firefox out like 4 times just to make sense of the pictures though! haha

Thanx bro, excuse the large pics lol, any other input u can give me : ) ?

Looks great bro!

Its quite decent still has some work but its basically almost done, really would like some feedback on the fans!

Hey man looking great! I suggest you use a s&p inline fan for your exhaust. Theyre super small and super quiet. Here's a link if you're interested. https://www.hvacquick.com/products/residential/AirFlow-Boosting/Inline-Air-Booster-Fans/SP-TD-Series-Inline-Fans. I would go with the td-100 if i were you. Keep us updated!
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Thanx for the input purple cream ! i have found a similar inline fan to what you have pasted, hopefully not too big for the box, otherwise its perfect. So otherwise you wouldnt recommend pc fans ? 2 extracting at about 80/90 cfm ?

Yea those can be good too. Ecoplus makes computer fans that actually push alot of air, around 95 cfm also. I just don't know if they'll work with a carbon filter but they might. I don't even know if you will be using a filter so go with what works for you. Make sure you have good ventilation tho because my 250 watt gets pretty hot and i have a bigger space.

Yeah purplecream those sound good, ive been looking at these coolermasters," http://www.coolermaster.com/upload/download/304/files/90CFMBlueLedSilentFan_120mm_ProductSheet.pdf " they look good they push out 90 cfm at 19dba which sounds crazy but two of those would make it 180 cfm ? correct me if im wrong. My ports are 4 inch's 100 mm i am planning on using a reducer, 120mm to 100mm. With the carbon filter part it all depends, i personally wouldnt mind waking up smelling pot, although it might be a problem with family,you think there's anything else i can use to hide the smell? maybe pop in sum automatic air freshener sprayers in my room or just wait till it really gets bad and then make a plan? mmmm.. dont think thats gonna be a good idea. Its my first grow indoors, i had a outdoor plant last year thats odour stuck to my clothes 10 minutes after i touched a few branches and leaves, i have no clue what strain but it was turning purple, i had a cola that was basically 40 centimetres / 16 inches in length and about 5 inches in diameter the craziest shit ive smoked, felt like a 60/40 70/30 Sativa dominant, anyway thats just a lil explanation of my 1st grow and how i know the smell of a flowering plant to be. I have always been researching for about 2, 3 years, never really got any other chance to grow but now i do, im just wondering though, would those fans i showed have enough power to push through a small duct? Another thing, as i stated on top my pictures i explained i put in one 80 cfm pc fan like in the picture and another which was 50 cfm just a test lol, anyways i left the light in put the panels on so the boxed looked fully closed and extracted the air for about 3 - 4 hours cause i fell asleep, the temps seemed quite fine for just 1 80cfm and one shitty 50 cfm, i definately wont set it up like this but im just assuming if i do the same and get two new 90 cfm fans can this be sorted? if some1 tells me go for it im gonna try it. then to follow along ill have 2 fans of the same pushing air in. If anyone knows where i can get a guide of how to use pc fans in something similar to my box for growing plz paste it here. Thanx for the feed back purplecream!

Those look good i just don't know how they would do with the static pressure from a filter. I wouldn't have an equal amount of air pushing in as i'm exhausting just because you might push too much air in and push through any little cracks you have letting the odor out. What ever you decide to do let us know.

hey im new to this site and im doing a similar grow but its a little smaller. But my speaker doesnt allow me to hang a light on top so i was thnking of putting two on the sides at equal distance from the two plants. Will this cause any issues? Any advice appreciated

Yeah purplecream i get you man, look they will work i guess, ive seen some peeps put these pc fans even lower cfm fans on small Tupperware containers, as for the air pushing in what do you recommend? maybe 2 40-50 cfm fans?
The problem pushing out odour and warm air at the same time i dont think will be too efficient. i was thinking of cooltubing the light then ducting it to the one extake then i would intake into the cooltube via my 75mm port as you can see the 75mm is placed on top of the box in the front, if thats what i do for my light i can use the other extake port just for extracting the odour, its a hard choice, otherwise i could go for the TD series inline fan but that could block space for my light, perhaps it wont depending on how i adjust the reflector. As for the cooltube part i have a supplier in my area that imports duran schott d50 glass tubes, from a range of sizes, i heard it puts out 92 percent of the light, it costs 62 dollars though & the other which allows 98 percent would probaly cost 3 times the price, In that case i would love to get away without a cooltube.

ilovefatbud, i understand what you are saying, although im quite confused because you cant hang your light on top, make a thread and get some pics going man, hanging your lights on the sides are good as far as i know , obviously you using cfl's but i dont think its a good idea leaving the top part without any direct light.

You clever devil! Nice grow box!

nice grow box man will try to do something similar

banditos701 said:

Yeah purplecream i get you man, look they will work i guess, ive seen some peeps put these pc fans even lower cfm fans on small Tupperware containers, as for the air pushing in what do you recommend? maybe 2 40-50 cfm fans?
The problem pushing out odour and warm air at the same time i dont think will be too efficient. i was thinking of cooltubing the light then ducting it to the one extake then i would intake into the cooltube via my 75mm port as you can see the 75mm is placed on top of the box in the front, if thats what i do for my light i can use the other extake port just for extracting the odour, its a hard choice, otherwise i could go for the TD series inline fan but that could block space for my light, perhaps it wont depending on how i adjust the reflector. As for the cooltube part i have a supplier in my area that imports duran schott d50 glass tubes, from a range of sizes, i heard it puts out 92 percent of the light, it costs 62 dollars though & the other which allows 98 percent would probaly cost 3 times the price, In that case i would love to get away without a cooltube.

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Yea honestly that cooltube idea sounds like the best choice you have. If your doing a diy cooltube i wouldnt pay 62 bucks for the glass just go on ebay and buy a bake a round for 20 bucks at the most. That will keep your temps wayy cooler. Also you will be able to use just one exhaust fan hooked up to a filter. If your a do it yourselfer here's a tutorial on how to make your own filter and it even shows how big you need it with the cfm your working with. http://www.icmag.com/ic/showthread.php?p=509470

EDIT: Oh yea i would go with just one 50 cfm intake fan but again that's all on you.

Great little stealth grow and DIY...I dunno about a 250 light though, might be a bit too much heat for that small area...ever thought about trying to install a cool tube?

Thanx purplecream, looks like ebay's bake-a-rounds are the best, do u know more or less how much shipping will be to south-africa ? ive looked around locally for them but i find absolutely nothing, i have a supplier that could ship me a cooltube, for about 68 dollars/R550 South-African Rands, things are damn expensive here only problem is that the cooltube is too big too fit in my box, lol great. Air cooled hoods are about 250 Dollars,R2000, & i can get a td series inline fan, for R599 pushes 101 cfm, on the other hand i can get axial fans that can push out 150 cfm's @ 48 db, so do you guys rate cooltubing is going to be the best ? considering how far i want my plant to rise & not burn right ? im also reconsidering putting in two carbon filters and then trying to force so much air through them with heat, just not going to be 100% efficient correct? I could go with one 50 cfm intake, sounds good to me, i have two port holes though, maybe just throw two small 8cm computer fans on either side ? if they push about 35 cfm each im assuming it will be okay but considering the fan blowing inside? instead of getting a fan blowing inside what do u think of using short duct from the intake then attaching my computer fans at the ends of the ducts so i can basically adjust them to blow on certain places of the plant, so when its small i face them next to the plant and then when the plant gets bigger i adjust the duct to where i want my fresh air to blow? therefore i can get my leaves and branches exercising too? thanx again for the feedback purplecream anything is appreciated, legalizeitcanada u got it though, 250 is big but man cooltubing is gonna fix this up i rate!

Yea the intake ducting sounds like a great idea that's what i do! If you decide to go with the cooltube make two holes on you box and have a fan blowing only for your light. Then you can have a seperate exhaust fan. Not only will it keep your temps cool you will be able to put your plants closer too. I'm not sure about shipping to south africa i guess just keep looking around.

banditos701 said:

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Sick socks..