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Manley Stereo Pultec EQ

5149
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Online : On order, currently unavailable.
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This item is warranted for 3 years
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Ref.: 184957
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Description

The Essentials to Know About the Manley Pultec EQP-1A Equalizer

  • The Pultec Character, with Modern Reliability: a carefully crafted interpretation of the historic EQP-1A, designed for today's studio.
  • Passive Equalization + Tube Gain Compensation: a passive EQ circuit followed by a simple and clean all-tube reamplification stage.
  • More Compact and Versatile: rack format occupying about one-third the size of a vintage unit, with two additional frequencies.
  • Designed for Professional Use: bypass, auto-mute on startup, gold-plated Greyhill switches, silent controls, and input options with or without transformer.

A "Manley" Reinterpretation of a Classic, Continuing a Long Tradition

The Manley Pultec EQP-1A is MANLEY's take on the legendary Pultec equalizer, originally produced by Pulse Techniques, Inc. Manley has been building Pultec-style EQs since 1990, with a clear approach: preserving the musical spirit of the original design while adapting it to today's demands for stability, noise-free operation, and studio integration. The result: the classic Pultec curve is intact, but with a more modern execution, contemporary components, and a design focused on performance and longevity.

Mixing, Mastering, Tracking: For Whom and For What

This type of equalizer is essential for those seeking a musical analog EQ capable of enhancing without harshness. The Manley Pultec naturally fits in mixing (vocals, bass, kick, drum bus, guitars, synths) and mastering when you want to add weight in the low end, air in the highs, and a sense of depth without resorting to surgical correction. Thanks to its passive EQ topology, it excels at adjustments that "sound like a record": sculpting, thickening, opening the upper spectrum, all while maintaining smooth musicality.

Technical Choices Designed to Sound "Pultec"... and Go Further

Passive Equalization and All-Tube Gain Compensation Stage

As with the Pultec concept, the equalization is based on a passive circuit, which naturally causes a loss of level. Manley compensates for this loss via a simple and clean all-tube gain compensation block to reamplify the signal without making it aggressive. The EQ can be set to a neutral position or fully bypassed, facilitating instant comparison and integration into a processing chain.

Improvements vs. Vintage Units: Stability, Noise, Daily Use

The Manley Pultec clearly targets those who want the character of a classic without the drawbacks of an old device: higher and better-regulated B+ power supply, improved thermal management, modern components unavailable in the 1960s, and a design that prioritizes reliability. Where some vintage gear may impose constraints (component tolerances, aging switches, mechanical or electrical noise), this version emphasizes more consistent operation, session after session.

Connectivity and Input Options: Transformer or Transformerless

Manley includes a balanced XLR input with gold-plated contacts, complemented by a phase inversion switch (0 or 180 degrees) useful for correcting polarity in an analog chain or during multi-mic recording. A notable feature: the unit can also be used via an alternative transformerless input on a 6.35 mm high-impedance jack, allowing adaptation of the sonic behavior and interface with different sources. Unlike some vintage units that have multiple transformers in the signal path, this design offers greater flexibility, including the possibility to work transformerless depending on the chosen input.

Premium Control Components: Silence and Longevity

For intensive studio use, Manley relies on control elements designed to last: Boost and Cut controls use plastic variable conductivity potentiometers, designed for quieter rotation and longer lifespan. Frequency selections use Greyhill switches with gold-plated contacts, a common choice on high-end gear when seeking reliable, repeatable, and stable operation over time. Finally, the bypass switch and auto-mute on startup (warm-up delay) contribute to a cleaner and safer power-up for the audio chain.

Technical Specifications

Audio Architecture

  • Pultec-type equalizer: passive EQ circuit with post-EQ reamplification
  • All-tube gain compensation block (reamplification after passive EQ)
  • Possible neutral setting
  • Full bypass
  • Rack format: occupies about one-third the space of a vintage Pultec unit
  • Addition of two extra frequencies compared to the original design

Connectivity and Impedances

  • Balanced XLR input with gold-plated contacts
  • Phase inversion switch 0 or 180 degrees for balanced XLR input
  • Manley input transformer with mu-metal shielding
  • Input impedance (transformer input): 3 kOhm
  • Alternative transformerless input on 6.35 mm high-impedance jack
  • Input impedance (transformerless input): 5 kOhm

Controls and Switching

  • Boost and Cut controls: plastic variable conductivity potentiometers (quiet operation and long lifespan)
  • Frequency selection switches: Greyhill with gold-plated contacts
  • Bypass switch
  • Auto-mute for warm-up delay at power-on

Tube Electronics

  • Tubes: 1 x 12AX7WA (gain)
  • Tubes: 1 x 6414 (or 5965) White Follower
Brand reference number: SPEQ
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