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Equalizers (EQ)

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PE 1C Program Equalizer

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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. The PE 1C low end section combines two separate passive EQ filters with slightly different cut/boost frequencies. When the two sections are combined, this results in truly unique EQ curves, often named the “Low End Trick” and very useful for cleaning up low/mid frequencies. The high frequency and midrange bands really stand out in terms of transparency and clarity, and the PE 1C is broadly regarded as one of the world’s finest passive tube based equalizers.

Modular EQ EM1A

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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 EM 1A features an all-passive EQ section and a high quality op amp. The circuit is in fact exactly the same as that of the PE 1C, only downsized to fit the modular form factor - without any changes whatsoever in specs or sound. All the characteristics of the PE1C and all the famous special features are available. All components, including all transformers are exact the same as in PE1C.Due to the high quality of the TUBE-TECH RM Series power supply and the pristine audio circuits, the Modular Series products deliver exactly the same uncompromised sound quality as our 19” units.

ME 1B Midrange Equalizer

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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 MEQ5 for ultra-smooth and musical equalization, perfect for vocals, instruments, speech and all other midrange sources. Mid frequencies have always been very important, when eqing instruments and vocals to make a mix come together. TUBE-TECH ME 1B can shape the midrange frequencies in that very pleasant way, only a passive equalizer is capable of. Even extreme midrange boosts still sound open and warm without the slightest trace of harshness.??

HLT2A Hi and Lo Shelving EQ with T-Filter

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A totally new kind of analog equalizer that combines variable high and low shelving eq and filters with an adjustable midrange T-Filter. The midrange T-Filter "tilts" the entire spectrum around a selectable midrange frequency point. Frequencies above that point increase (or decrease) while frequencies below that point decrease (or increase). This unique topology, provides a powerful and uniquely efficient way to get beautiful-sounding overall equalization. As such, the Tube-Tech HLT-2A is destined to become a "go-to" equalizer in high-end mastering houses,smaller project studios, and everything in between.

EQ 1AM Parametric Mastering Equalizer

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The TUBE-TECH EQ 1AM is a full range one channel unit, featuring low and high cut, low and high shelving as well as three overlapping bands of equalization. The cut filters are designed around unity gain amplifiers and the shelving and the bell filters are designed around two tube operational amplifiers. The unit is all tube based except for the power supply. Input and output have fully floating transformers. All DC voltages are stabilized, except the anode voltage for the output stage. The EQ 1AM is fitted with rotary switches instead of pots for even more precise recall of settings. This enables very precise recall for mastering use.

EM1A. Passive, Tube amplified Equalizer

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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 EM 1A features an all-passive EQ section and a high quality op amp. The circuit is in fact exactly the same as that of the PE 1C, only downsized to fit the modular form factor - without any changes whatsoever in specs or sound. All the characteristics of the PE1C and all the famous special features are available. All components, including all transformers are exact the same as in PE1C. Due to the high quality of the TUBE-TECH RM Series power supply and the pristine audio circuits, the Modular Series products deliver exactly the same uncompromised sound quality as our 19” units.

Elysia Museq

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This analog EQ is a combination of premium sound shaping capabilities with optimally matched parameters and the highest quality components, enabling the user to find musical results quickly and easily. The five bands and their ample gain ranges as well as some special features make sure that the museq can be used flexibly in any tracking or mixing situation, and the stepped controllers are easily repeatable for mix bus or mastering applications. Each of the two channels offers three parametric bands with a two-position switchable Q. The outer bands per side are low/high shelf designs which can be separately switched into a low/high cut mode. In the cut mode, a resonance peak keeps the knee frequency from sounding overly damped, reminiscent of inductor circuits in classic designs.