the unit is good and the sound to. but, there is a little bit of adjusting when you get the unit ( probably not all but it is a possibility.
the tube glows but the LED that is located under the tube is so strong that they override the light from the blower in the tube. i have modified mine, solder the led’s off the unit and placed them in a place where they do not light up anything.
the tube is a standard, so easy and cheep to replace, you should always have one backup!
when you receive the unit is comes with a PSU that is not good for good audio quality. it is cheap, not much filtering and has a constant 50Hz rumble.
you should invest in a LED POWER SUPPLY i use this from eBay item nr. 321999561547. it is a 24volt PSU unit i recommend 3 amp so the unit always has good amount with power.
when the power supply unit got replaced with the led power supply the sound quality got better, and the 50Hz rumble is gone.
Why i give 4,5 star
The value: for the unit is okay, there is few changes that would make the unit better, that do not increase the price.
Audio quality: is good for hobby usage, if you need a amp for you’re headset for gaming, movie and music. but if you own a studio or edit sound files you should get something else, because it is some noise coming from the transistors.
Quality: is great, but some changes that would make the unit a lot better.
Design: the placement of the plate on top. that hides the circuit and has a hole in the senter from the tube makes the heat become trapped and when the unit heat up a lot, more noise comes trough the audio out.
NOT FOR PREAMP FOR OTHER AMPS! ONLY HEADPHONE!
the tube glows but the LED that is located under the tube is so strong that they override the light from the blower in the tube. i have modified mine, solder the led’s off the unit and placed them in a place where they do not light up anything.
the tube is a standard, so easy and cheep to replace, you should always have one backup!
when you receive the unit is comes with a PSU that is not good for good audio quality. it is cheap, not much filtering and has a constant 50Hz rumble.
you should invest in a LED POWER SUPPLY i use this from eBay item nr. 321999561547. it is a 24volt PSU unit i recommend 3 amp so the unit always has good amount with power.
when the power supply unit got replaced with the led power supply the sound quality got better, and the 50Hz rumble is gone.
Why i give 4,5 star
The value: for the unit is okay, there is few changes that would make the unit better, that do not increase the price.
Audio quality: is good for hobby usage, if you need a amp for you’re headset for gaming, movie and music. but if you own a studio or edit sound files you should get something else, because it is some noise coming from the transistors.
Quality: is great, but some changes that would make the unit a lot better.
Design: the placement of the plate on top. that hides the circuit and has a hole in the senter from the tube makes the heat become trapped and when the unit heat up a lot, more noise comes trough the audio out.
NOT FOR PREAMP FOR OTHER AMPS! ONLY HEADPHONE!
