Tube-Tech HLT2A High/Low Shelving EQ with Tilt Function Electronics in a gel form

in a gel form

Truss Rod Yes

And if your amp or switcher has a parallel effects loop

so you can quickly change between COOL and HOT

the 4038 has become a favorite of many recording engineers

Tube-Tech HLT2A High/Low Shelving EQ with Tilt Function Electronics in a gel formTUBE TECH HLT 2A is a stereo unit, featuring low and high cut filters, low and high shelving filters and a T filter. The shelving filters are designed around a high gain tube amplifier. The T filter is a passive filter placed between the shelving filters and the output amplifier. All three sections are supplied with a in out switch. The low and high cut filters are also passive with a slope of 6dB octave. A bypass switches the whole filter section out