The TUBE-TECH EM 1A Passive Tube EQ is an exact replica of our oldest “classic”, the PE 1C all-tube, passive Program Equalizer, which itself is based on the classic PULTEC EQP 1A.
EM 1A

The TUBE-TECH EM 1A Passive Tube EQ is an exact replica of our oldest “classic”, the PE 1C all-tube, passive Program Equalizer, which itself is based on the classic PULTEC EQP 1A.
The TUBE-TECH ME 1B is a passive, all-tube midrange EQ based on the legendary Pultech MEQ5, featuring two boost- and one dip section. The bandwidth of the ME1B sections is designed broader than in the MEQ5for ultra-smooth and musical equalization, perfect for vocals, instruments, speech and all other midrange sources.
The PE 1C is a passive, all-tube EQ, based on the classic PULTEC EQP 1A design and featuring a passive EQ section and a high quality op amp. With the original Pultec out of production for decades and used examples demanding sky-high prices, the PE 1C is by far the easiest way to achieve this unique and coveted sound.
Stepped mastering version of HLT 2A.
The TUBE-TECH HLT 2A is an all-new kind of Equalizer, combining High and Low shelving Eq plus Hi and Low cut filters with an innovative T filter “tilt” midrange Eq. It’s the first time this combination of filters has been designed in the analog domain.
The Nightingale 2 is a 2 channel mic amp/equaliser and also a mono compressor, based around the now classic Phoenix design, with summing facilities included. The 2 preamplifiers with EQ and the compressor can all be used individually or may be combined in 3 different modes by using the summing section.
The Freebird is a 3 Channel valve Equaliser and comes in Thermionic Culture’s half rack design format and has a built-in but detachable power supply. It will work normally as a stand alone unit but if desired The Freebird can be put in a Thermionic Culture 19 inch rack case together with another unit to give 6 channels of EQ, or you can add a different Thermionic Culture half rack unit such as The Nightingale.
Stereo Equaliser with Attitude and Air.
This two channel equaliser had been designed to be as much at home in tracking individual instruments or sitting across a stereo mix buss to equalise the final mix. As with other units of ours, such as The Phoenix, all controls are clearly labelled and setting up the eq is quick and easy, so we named it after Britain’s fastest bird in level flight.
The Rooster 2 is a 2 channel all valve preamp with EQ and distortion controls. It is designed for a wide range of applications and can produce a large range of tones, harmonic distortion and subtle dynamic control.
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