Tegeler Classic Equalizer EQP 1 | Passive Tube Equalizer with Vintage EQ Curves | Transformer Balanced Analog Tone Shaping

Tegeler Classic Equalizer EQP 1  (Tegeler TEG-EQP-1)

Passive Tube Equalizer

Tegeler Classic Equalizer EQP 1 is a passive tube equalizer built for engineers and producers who want musical tone shaping with the depth and character of analog circuitry. Inspired by classic vintage equalizer designs, it combines passive EQ components, transformer-balanced input and output stages, and tube amplification to add openness, density, and presence across a wide range of sources.

Tegeler Classic Equalizer EQP 1 Competitive Differences

• Passive EQ design with tube stage and input/output transformers for smooth, musical tone shaping
• Selectable low boost/cut, high boost with variable bandwidth, and high-frequency attenuation for classic analog EQ control

Tegeler Classic Equalizer EQP 1 Description

The Tegeler Classic Equalizer EQP 1 is designed for users who want more than corrective equalization. It delivers the kind of broad, musical shaping that helps vocals sound silky, instruments stand out more clearly in a mix, and low-frequency material gain weight without becoming muddy or boomy. This makes it a strong choice for mix bus processing, individual instruments, and tone enhancement during recording.

Its sonic character comes from a passive equalizer section built with capacitors and inductors, following the approach of revered vintage analog equalizers. The EQ layout includes low-frequency boost and attenuation, high-frequency boost with adjustable bandwidth, and a separate high-frequency cut section, giving users an intuitive way to shape tone without overcomplicating the workflow.

Beyond the EQ curves themselves, the tube stage and transformer-balanced signal path contribute a noticeable sense of depth and polish. Even with the equalizer settings left untouched, the analog circuit can add density, presence, and a more rounded top end, while helping the low end feel more defined and transparent.

With balanced input and output connections, an internal power supply, and a 2U rackmount design, this hardware EQ fits easily into professional studio setups. It is well suited for engineers looking for a classic analog equalizer that can add both tonal control and desirable signal-path character.

Classic Equalizer EQP 1 Features

• Passive tube equalizer
• Vintage-style passive EQ design using capacitors and inductors
• Low boost and attenuation frequency selections: 20 Hz, 30 Hz, 60 Hz, 100 Hz
• High boost frequency selections: 3 kHz, 4 kHz, 5 kHz, 6 kHz, 8 kHz, 10 kHz, 12 kHz, 16 kHz, 20 kHz
• Variable bandwidth on high boost section
• High attenuation frequency selections: 5 kHz, 10 kHz, 20 kHz
• Balanced input and output
• Input transformer
• Output transformer
• Tube stage
• Bypass switch
• Internal power supply
• 2U rackmount format

Classic Equalizer EQP 1 Specifications

• Type: Passive Tube Equalizer
• Frequency Response: 20 Hz - 22 kHz
• Maximum Input Level: +20 dBu
• Input Impedance: 2.4 kOhm
• Output Impedance: < 600 Ohm
• Maximum Output Level: +22 dBu
• Dynamic Range: 95 dB
• Voltage: 230 V~/50 Hz or 115 V~/60 Hz
• Fuse: 500 mA slow-blow
• Maximum Power Consumption: < 25 W
• Dimensions: 3.47 x 19.02 x 9.84 in
• Dimensions: 88.1 x 483 x 250 mm
• Rack Size: 2U

What's In The Box

• Tegeler Classic Equalizer EQP 1