Klark Teknik EQP-KT Classic Tube Equaliser with Midas Transformers (Pultec-Style Rack EQ)

The Klark Teknik EQP-KT is a classic tube equaliser inspired by the legendary Pultec EQP-1A design. Built with Class-A discrete circuitry and premium vacuum tubes, the EQP-KT delivers the warm, musical tone shaping that made the original equaliser a studio standard for decades.

Equipped with custom-built Midas input and output transformers, the EQP-KT provides exceptional signal integrity and vintage analog character. Its dual-band equalisation system features independent boost and cut controls, selectable frequencies, and variable bandwidth for precise tone sculpting across a wide range of recording and mixing applications.

Key Features

• Classic Pultec-Style Equaliser: Single-channel two-band EQ based on the iconic EQP-1A design.
• All Discrete Class-A Circuitry: Ensures maximum signal integrity and warm analog tone.
• Premium Vacuum Tubes: Features carefully selected 12AX7 and 12AU7 tubes.
• Midas Transformers: Custom-built input and output transformers for superior audio performance.
• Switchable Frequency Selection: Multiple selectable frequency points for both low and high bands.
• Independent Boost and Cut Controls: Provides flexible and musical EQ shaping possibilities.
• Variable Bandwidth Control: Allows wide or narrow EQ curves for precise sound sculpting.
• Inductor-Based Equalisation: Delivers classic analog EQ behavior and tonal character.
• True Bypass: Allows quick A/B comparison between processed and original signals.
• Professional Rackmount Design: Rugged 2U chassis ideal for studio or portable rack setups.
• Universal Power Supply: Auto-ranging power supply for global operation.

Technical Specifications

Audio Input
Type
XLR, 1/4" TRS, transformer balanced

Input Impedance
>600 Ω, balanced and unbalanced

Maximum Input Level
+21 dBu

Optimum Input Level
+4 dBu

Audio Output
Type
XLR, 1/4" TRS, transformer balanced

Minimum Output Load Impedance
600 Ω

Output Impedance
<300 Ω, balanced and unbalanced

Maximum Output Level
+21 dBu

Frequency Response
20 Hz to 20 kHz, ±1 dB

Distortion (THD+N)
<0.1% @ 1 kHz, +4 dBu

Dynamic Range
>101 dB typical

Signal to Noise Ratio
80 dB @ +4 dBu input

Circuit
Class-A

Vacuum Tubes
12AX7, 12AU7

Low Frequency Boost
0 to 12 dB shelving

Low Frequency Cut
0 to -24 dB shelving

Low Frequency Selection
20, 30, 60, 100, 200, 400, 800 Hz

High Frequency Boost
0 to +15 dB (Sharp)
0 to +10 dB (Broad)

High Frequency Selection
3, 4, 5, 8, 10, 12, 16 kHz

Bandwidth
Q = 1 to 10 (sharp to broad)

High Frequency Cut
3, 4, 5, 10, 20 kHz

Power Supply
100 – 240 V~, 50/60 Hz

Power Consumption
15 W

Fuse
T1AH 250 V

Mains Connection
Standard IEC receptacle

What’s in the Box

(1) Klark Teknik EQP-KT Tube Equaliser
(1) Power cable
User documentation