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Tesoro Excalibur SE Spectrum Mechanical Keyboard Review

By Chad Sebring from Apr 10, 2017 @ 19:40 CDT
TweakTown Rating: 96%Manufacturer: Tesoro

Inside the Excalibur SE Spectrum RGB




Using the spring-metal keycap puller, most of the keycaps come right off of the Cherry style stems on these optical switches. The wider caps do take a bit more finesse to remove, as there are clips on them for the torsion bars. Each keycap is initially molded with a shot cap shot of opaque plastic and then returned for second molding process where the large black section is added onto it. This means that there is no paint to wear off, and it will be near forever before you wear out any of the legends.





The Gateron built optical switches say Tesoro on the clear body of each of them. The stem in this instance is blue, but there are also red versions too. The clear body allows more LED light to pass through them, and since the LEDs are internal, this is a must. The torsion bars are exposed, and we can clearly see the steel plate which is painted white.




The frame of the Excalibur SE Spectrum RGB is a two-part construction, both halves molded in black plastic. The top components have clips around the edge, but quite a few screws hold the halves together securely. The lower section uses raised plastic posts for support rather than a grid system, but this keyboard flexes very little, and we feel no vibrations.




Inside of the keyboard, we find the PCB is black this time instead of red, and we see only resistors near the switches, no switch soldering points to be found anywhere. The switches use a beam rather than an electrical contact, and the point of transference of the signal is on the top of the PCB. Essentially, the switches are just pressed into the holes of the PCB.




On previous models, we could clearly see which 32-bit MCU was used, but not this time. What we found inside of this keyboard is that the IC has been black-topped, and leaves us guessing to its manufacturer, or if it is even a 32-bit processor at all.




There are quite a few modes, but the spectrum wave from left to right is what caught our eye. Rather than multiple colors at once as many others offer, Tesoro changed the entire keyboard one color at a time in this mode. You can get multiple colors at once using the top-down wave. There are many other modes to tinker around with as well, and you can even setup one the way you like it in the custom profile.

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