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Produkte > Studio Equipment > Mercury Recording Equipment > Custom Shop Outboard
Stereo Program Equalizer

- Stereo Röhren Program Equalizer
- Basiert auf Vintage Pultec EQH Design
- Low Frequency Select: 20, 30, 60, 100, 200 Hz
- Low Frequency Shelf Boost: 0dB to +13dB
- Low Frequency Shelf Attenuate. 0dB to -17dB
- High Frequency Select: 3, 4, 5, 8, 10, 12, 16 kHz
- High Frequency Shelf Boost: 0dB to +16dB
- High Frequency Shelf Attenuate: 10 kHz, 0dB to -16dB
- XLR In und Out auf Backpanels
- Trafosymmetrierte Inputs und Outputs

The Mercury EQ-H2 is two independent (dual mono) channels of the Mercury EQ-H1 in a 2U package. The Mercury EQ-H2, like the EQ-H1, features a passive EQ circuit with a single ended gain make up amplifier topology, based on the vintage 'Pultec EQH' circuit. The Mercury EQ-H2 circuit provides a musically satisfying result unobtainable with active and parametric EQs, since the EQ-H2 does not rely upon negative feedback (and all its associated phase and dynamic distortions) to achieve equalization. The EQ-H2, like all Mercury products, has transformer balanced (XLR) input and outputs. The only additions or changes to the original are a much more powerful and stable power supply and running DC on the heaters, rather than AC.

EQ-H2 vs EQ-P2:
Simply, the key to the tone of these two circuits are its amplifiers, and Mercury EQ-H2 and EQ-P2 have different amplifiers to make up the gain lost by the passive equalizer circuit, thus they have different tones. The EQ-H2 and EQ-P2 sound different on the same application, and have a different reaction to the same instrumentation or voice.

The EQ-H2 is more punchy and robust and has a slight push in the low end and lower midrange. The EQ-P2 is more open and silky, and equally adds warmth to highs, mids and lows of your source. Although both sound amazing on any application and are both multi-purpose tools (equalizers) in the studio, if you had both you could then choose between applications.

The Mercury EQ-H2 is warm and fluid but a bit "thicker" than the EQ-P2, thus shines on thickening (and pushing forward in the mix) your vocals, bass, kick, snare, acoustic guitar, etc... The Mercury EQ-P2 is great for shaping and adding 'air' to your vocals, acoustic instruments, guitar, piano, etc... and is magical strapped across your two buss to add musicality to your mix.

The Mercury EQ-H2 amplifier uses one 12AX7 tube and one 12BH7 tube per channel.

The Mercury EQ-H1, EQ-P1, EQ-H2 and EQ-P2 are all based on the original Pultec equalizers which were tools developed to deal with the limitations of recorded music. Limitations that most often manifest themselves in the highest and lowest frequencies of the program material. The Mercury Studio Program Equalizers, like the family of original Pultec EQs, are originally designed to bring back the life and musicality lost in a recording. Whether by accident or genius, nothing has been able to do this better in music production than a passive equalizer with tube gain make up amplifier ('Pultec style') equalizer. The interaction of the passive boosting and attenuating shelving EQs (not relying on negative feedback), as well as the transformers, tubes and other amplification circuitry all add to the incredibly musical character of the product. Working engineers try other types of equalizers, but always end up coming back to the Pultec style as the equalizer of choice for those final touches while tracking or mixing and even mastering at times.

Now in this modern age of digital recording, where the source you put into the DAW is exactly what you have on the track, with no rounded edges, no slight compression and none of the "pixie dust" that came with analog tape, the Mercury family of equalizers are needed more than ever to help add the musicality, warmth and tone to your tracks that we have all treasured.

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