Hi Ive been offered 2 x Johnson cx4 for the 4x4 1.2 x 1.2 meter tent.
what are your thoughts on this replacing the 600w hps
Also fan noise is very important, i need near silent fans , what is the db of the fans in the cx4 are the as quiet as a computer?
Honestly you can get 4 of the photon 180v for around the same price (maybe cheaper) and will have a good bit more light.
The cobs themselves won't be as spread, but with 4 of the photons in a 4x4, it won't matter at all, with the 120 degree lenses on the photon you'll have plenty of spread with 8 cobs in a 4x4.
Pros of northerngrowlights : about half the cost of the Johnson, more light with 4 of the photons than two of the johnsons, better fans, better lenses, better cobs.
Pros of the Johnson: more cobs, and I'm assuming slightly higher efficiency(but Johnson doesn't have numbers posted so I have no idea in actuality. Plus using cobs that are almost 2 generations old at this point is kind of behind the game)
And tbh I'd rather have the northerngrowlights with the bigger/better cobs.
The cxa 3070s on the Johnson are old versions and while I'm assuming because it has four cobs it's more efficient than the two, the fact that the older cxas don't really compare to the new vero 29s it's totally possible the photo beats it in efficiency as well.
2 X Johnson cx4 = $1098 + tax and shipping.
4 X ngl photon 180v = $1196 + tax but free shipping. And you'll have almost twice as much light.
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