Cthulhu RBA AIO Box | Preview

What is it?

The Cthulhu RBA AIO Box is a very intriguing device that has just entered the market.

Cthulhu might not be the most well-known brand in the vape industry, but they have made some cracking MTL devices like the Artemis MTL RTA and the Hastur MTL RTA, along with the Hastur Mod.

The first fascinating thing about the Cthulhu RBA AIO Box is that it is compatible with the popular ‘Boro’ tanks that are used in Billet Boxes.

These have seen a significant resurgence recently, and there are a vast amount of RBA decks and bridges available on the market.

A ‘Boro’ tank is a removable and refillable e-liquid chamber for those who don’t know. It gets its name from the fact it has a Borosilicate Glass panel that you slide off.

Inside the tank, you typically get a ‘Bridge,’ this is basically a coil holder. There are many different bridges so that you can use stock coils from some of the leading manufacturers. The common ones are Aspire Nautilus, Smok Nord, Vaporesso EUC bridges.

However, there are also many RBA sections and designated ‘Boro’ style tanks like the Vapeshell by companies like Atmizoo.

It really does open up a world of possibilities using the ‘Boro’ style design.

The second extremely interesting aspect of the Cthulhu RBA AIO Box design is just how much it looks like an exact replica of the DotMod AIO – more on this later.

So what does the Cthulhu RBA AIO Box give you?

In the kit is a 6ml CM Cthulhu tank which has an RBA deck that utilizes replaceable airflow inlet pins to adjust the draw.

It also comes with a 510 adapter, so you can easily build and test on it with a standard 510 device.

Cthulhu also includes a bridge for the extremely popular Aspire Nautilus coils, so you don’t have to use the RBA deck solely.

The deck itself is a GTA (Genesis Style Atomizer) deck where it sits separate from the chamber, and the wicks drop down to feed juice to the coil. The tank also has a fill port on the front, so you don’t need to remove it when filling.

It is an MTL style tank and device, as you’d expect from Cthulhu, and due to the compact size of the device and tank.

The airflow pins included in the kit range from 0.8mm, 1.2mm, 1.6mm to a 2mm airflow pin. Obviously the larger the whole, the more airflow.

The mod uses a removable single 18650 battery and supports charging at 0.7A via a USB Type C charge port.

It has an output range of 5-60W (1-8V). Several modes are available from Variable Wattage, Variable Voltage, Bypass, and Temp Control/TCR.

There is also a very small 0.49in OLED screen on the device behind one of the side panels to see and adjust all of your settings. The adjustment +/- buttons are also behind this panel below the screen.

The fire button is located on the top left of the device and has a color LED ring to indicate battery and fire status.

Here is Cthulhu’s instruction video giving a closer look:

The Cthulhu RBA AIO Box is available in 4 color options: Elegant Black, Mid-night Green, Pacific Blue, and Hot Pink.

Specs & Features

Who is it for?

Vapers who want a compact but incredibly versatile AIO, especially those that are fans of ‘Boro’ devices and like to tinker.

Our Vibe

I have to start by saying I’m a huge fan of both the Billet Boxes and DotAio, and I also use a DotAio daily.

So the Cthulhu RBA AIO has me somewhat conflicted. 

I love the fact there is another compact device that is likely affordable that will bring the use of Boro tanks to the masses. 

I also like the fact that it is such a compact design that will be more pocket-friendly than something like the Sunbox & Aspire Mixx (which also uses Boro tanks).

It’s also great to see they have included a screen and different modes, which is something the DotAio does not offer.

Some Billet Box fanatics may say just get a Billet box instead, but those things are incredibly expensive and not as compact.

Where I’m not so happy is just how much of a blatant clone the design is of the DotAio.

I know the DotAio is an excellent compact design, and there’s only so much you can do to make a box of this design look different. But really Cthulhu, you could’ve added a little more of your own style – it looks exactly the same!

That being said, there are times when I wished my DotAio was compatible with some of the ‘Boro’ tanks I have. There are also plenty of times I wished I could make more adjustments with it or have a screen to see more data – the Cthulhu RBA AIO answers all the things!

We’ll have to wait and see just how good the build quality is on the device and what the performance is like from the CM Cthulhu tank and RBA deck.

However, Cthulhu has a good track record when it comes to MTL vaping, so it’s definitely one to look out for.

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