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Triebwerk TK-122

Here is the more powerful of the two fans from Triebwerk. The packaging and exterior design of the TK-122 are the same as those of the TK-121 model tested in the previous review.

The sticker on the electromotor is the single visible difference:

The specs differ, too. The Triebwerk TK-122 has a rotation speed of 1800 RPM, an air flow of 88.4 CFM, and a noise level of 30 dBA. Working at that speed, this thick fan is going to develop an impressive static pressure of 3.38 millimeters of water (the second highest specified level among all the tested fans). The “nano-bearing” is expected to keep the TK-122 up and running for 80,000 hours, spinning up at 4.5 volts. In fact, this model started up at 3.9 volts and consumed no more than 3.26 watts. The price of this high-tech fan is $35.

Let’s see what it can do:

I must confess I had expected better results from the thickest fan in this review. Its 55 millimeters of height do not do it any good. The Triebwerk TK-122 is inferior to the Scythe Kama Flow 2 in terms of the noise-to-airflow ratio. Besides, this model was not very stable, its noise changing in sudden jumps rather than smoothly.

 
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