Klark Teknik EQP-KT Classic Tube Equalizer

Full Description

Authentic tube warmth with modern precision

Designed to recreate the sought-after characteristics of vintage Pultec equalizers, the EQP-KT employs a fully analog circuit with premium components. At its core, hand-selected 12AX7 and 12AU7 vacuum tubes provide the harmonic richness and musicality that define classic tube equalization.

By carefully matching component values to the original Pultec design, Klark Teknik has ensured that the EQP-KT delivers the unmistakable warmth, presence, and openness of high-end analog processing. Whether used for subtle enhancement or dramatic tonal shaping, this equalizer imparts a level of depth and character that digital EQs struggle to replicate.

Unique frequency sculpting capabilities

Unlike conventional equalizers, the EQP-KT features independent boost and cut controls for the same frequency bands. This unique functionality allows engineers to shape tones in ways that traditional EQ designs cannot achieve. By simultaneously boosting and attenuating low or high frequencies, users can create resonant peaks or dips that add clarity and separation to mixes.

The high-frequency boost section includes a variable bandwidth control, providing precision over midrange presence and detail. This feature makes the EQP-KT ideal for enhancing vocals, guitars, and other midrange-rich sources, delivering a smooth, natural sound that sits perfectly in a mix.

Premium components for superior audio quality

The EQP-KT is built with custom-designed MIDAS input and output transformers, ensuring pristine audio fidelity and high headroom. MIDAS is renowned for its high-quality preamp and transformer designs, and their inclusion in the EQP-KT guarantees a professional-grade signal path.

Combined with its tube-driven makeup gain stage, the EQP-KT enhances any audio source with a full, open sound that retains all the detail and warmth of the original signal. This makes it an excellent choice for mastering applications, instrument tracking, and mix bus processing.

Versatile connectivity and bypass functionality

For seamless integration into studio and live sound setups, the EQP-KT offers both XLR and 1/4-inch TRS balanced inputs and outputs. These connections ensure compatibility with a wide range of professional audio gear, from mixing consoles and audio interfaces to outboard racks and live sound systems.

The unit also features a true bypass mode, allowing users to remove the equalization circuit from the signal path while keeping the tube stage and transformers engaged. This preserves the natural analog warmth while providing flexibility for different processing needs.

Bringing classic EQ to a new generation

The Pultec EQP-1A remains one of the most revered equalizers in audio history, but its high price and rarity have kept it out of reach for many engineers. The EQP-KT brings this legendary tone to modern studios at an affordable price, without compromising on the analog quality and unique frequency response that made the original so special.

Features

• Single-channel, two-band equaliser based on the classic Pultec EQP-1A
• Discrete Class-A circuitry ensures exceptional signal integrity
• Premium selected 12AX7 and 12AU7 vacuum tubes
• Custom-built MIDAS input and output transformers
• Switchable frequency selectors with up to 7 frequency points
• Independent boost and cut controls provide immense creative potential
• Variable bandwidth control for wide sound sculpting
• Inductor based equaliser section
• Bypass feature allows for A/B comparison
• Transformer balanced inputs and outputs with Neutrik XLR connectors
• Rugged 2U rackmount chassis
• Universal switch-mode power supply
• Designed and engineered in the U.K.

Specifications

• Frequency Response: 20Hz - 20kHz, ±1dB
• Circuit: Class-A
• Vacuum Tubes:
  • 12AX7
  • 12AU7
• Dynamic Range: >101dB, Typical
• S/N Ratio: 80dB @ +4dBu In
• Low Frequency Boost: 0dB - 12dB, Shelving
• Low Frequency Cut: 0dB - -24dB, Shelving
• LF Boost/Cut Frequency: 20Hz/30Hz/60Hz/100Hz/200Hz/400Hz/800Hz, Selectable
• High Frequency Boost: 0dB - +15dB, Sharp / 0dB - +10dB, Broad
• HF Boost Frequency: 3kHz/4kHz/5kHz/8kHz/10kHz/12kHz/16kHz, Selectable
• High Frequency Cut: 0dB - -20dB, Shelving
• HF Cut Frequency: 3kHz/4kHz/5kHz/10kHz/20kHz, Selectable
• Input Connectors:
  • XLR
  • 1/4'' TRS
• Input Impedance: >600 Ohms Balanced/Unbalanced
• Input Level:
  • Maximum: +21dBu
  • Optimum: +4dBu
• Output Connectors:
  • XLR
  • 1/4'' TRS
• Output Impedance: <300 Ohms Balanced/Unbalanced
• Output Level: +21dBu, Maximum
• Power Supply: 100V - 240V
• Power Consumption: 15W
• Dimensions: 88mm x 483mm x 167mm (H x W x D)
• Weight: 3kg