I bought this phono preamp partly because of the volume control but in fact was a little disappointed that it did not boost the input signal from my turntable and seemed to have less volume than the inbuilt phono preamp of the Technics class AA amplifier I was using via the aux input. Other than the above point, it was well made and worked well with a clear sound input to the amplifier.
Verified purchase: Yes | Condition: New
This unit is OK if you have no other options. It seems to 'color' the turntable output a bit darker than I would like. I used the aux channel to boost the gain of the analog output on my HDMI splitter and it does a fine job on that without coloring the sound like it did on the turntable. The variable output is sort of a joke. It might be a plus if one is using Moving Coil cartridges on a turntable but of my MM cartridges - and on the aux channel I have to turn it all the way up to get a signal. For my money it would have been smarter and cheaper to just set the output to max and save the build money on the variable output. I needed something for the HDMI splitter so I'm still using it that way but for the turntable I had to buy a different phono preamp.
Verified purchase: Yes | Condition: New
New computer sound cards do not seem to have the input headroom that the older ones did! Adjustable feature allows gain to be reduced so as to not overload the input circuits of the sound card. Seems like the sound card designers are not aware of real world conditions, so this is a very good work around.
Verified purchase: Yes | Condition: New
Nice to have a volume control knob on the unit, and great to have an Aux input for regular signal level inputs (phone or tablet). The amplifier has good S/N ratio, probably in the high 60's dB range. The power supply is a DC wall-wart type and has pretty low noise. I tested this with various AC plug orientations against a quiet 12V battery supply. Very pleased with this unit which amplifies my AR XA-1 turn table with XV-15 MM cartridge into a dedicated amplifier unit.
Verified purchase: Yes | Condition: New
I have many pre amps but my TEC is special and is every bit the phonograph preamp that those are costing 2 to 3 times as much PLUS it offers another switchable LINE input so you don't lose valuable connectivity! What else are you waiting for??
Verified purchase: Yes | Condition: New
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