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TL Audio Classic EQ-2

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The TL Audio EQ-2 is a high-end equalizer offering the power and flexibility on a par with the very best EQs in the industry. The EQ-2 features a raven blue 6mm CNC milled aluminum front panel, Gener... Click To Read More About This Product

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The TL Audio EQ-2 is a high-end equalizer offering the power and flexibility on a par with the very best EQs in the industry. The EQ-2 features a raven blue 6mm CNC milled aluminum front panel, General Electric US military-specification valves and high-retention gold-plated ceramic-valve bases, but TL Audio also added two much-requested features: a peaking/shelving switch on the low-frequency and high-frequency bands, and drive/peak LEDs. The internal circuit design has also been refined quite significantly to produce an even fatter, smoother sounding equalizer.

The EQ-2 boasts two channels of fully parametric 4-band valve equalization--which, in conjunction with variable high- and low-cut filters, offers unlimited control of any audio source. But that's not all: unlike many valve equalizers, the EQ-2 provides continuously variable frequency controls, so choice of frequency is not limited to switched selections. It also features a pair of the acclaimed TL Audio mic preamps (with phantom power), to enable high quality direct-to-tape microphone recording, and a pair of front panel auxiliary inputs enable a guitar or keyboard to directly access the EQ-2.

Another refinement is the stereo mode switch: When activated, the EQ controls of Channel A automatically process the signal on Channel B in an identical fashion - thus the audio signals through both channels have the same EQ applied to them: ideal for precise equalization of stereo sources and overall mixes. The EQ-2 is one of the best sounding and most versatile equalizers currently available.

The EQ-2 employs a total of six valve stages per channel: one in each of the four EQ bands, followed by a pair in the output stage. General Electric US military specification valves are used throughout, run from a stabilized 250v DC supply.


  • 2 channels--each with 4 bands of fully parametric valve equalization
  • Low-frequency band variable from 30Hz to 3kHz
  • Low-mid-frequency band variable from 30Hz to 3kHz
  • High-mid-frequency band variable from 1kHz to 20kHz
  • High-frequency band variable from 1kHz to 20kHz
  • Each band offers ±15dB of gain and variable Q between 0.5 and 5
  • Peak/shelf switch on both low-freqency and high-frequency bands
  • EQ bypass switch on each channel and band
  • Continuously variable high- and low-cut filters (12dB/oct) with bypass switches
  • Low-cut filter variable from 30Hz to 1kHz
  • High-cut filter variable from 1kHz to 25kHz
  • Output level control giving ±15dB trim
  • Drive and Peak LEDs indicate internal signal levels
  • Balanced microphone and line level inputs with variable gain control
  • Balanced line outputs, switchable for -10dB or +4dB operation
  • Line inputs and outputs duplicated on unbalanced jack connections
  • Front panel instrument inputs (for guitars/keyboards etc)
  • 48v phantom power
  • Insert point on each channel (between mic preamp and EQ section)
  • Status LEDs on all function switches
  • Frequency response 20Hz to 40kHz +0 / -1dB
Mic Input:
  • Impedance: >2k
  • Gain range: +10 to +60dB
  • Input Noise (EIN): -127dBu (22Hz-22kHz)
  • Max input level: +10dBu
Balanced XLR connector
  • Line Input: (Balanced) Impedance: > 5k
  • Gain range: -20dB to +30dB
  • Max input level: +24 dBu
Balanced XLR connector
  • (Unbalanced) Impedance: > 5k
  • Gain range: -10dB to +35dB
  • Max input level: +24dBu
Jack connector
  • Auxiliary Input: Impedance: 220k
  • Max gain: 40dB
  • Max input level: +22dBu
Unbalanced jack connector
  • Output: Balanced output impedance: 47
  • Max level: +26dBu
  • Unbalanced output impedance: 47
  • Max level: +20dBu into 10k
  • Insert point: stereo jack, tip=send, ring=return
  • Nominal level: -2dBu
  • Output impedance: 47, Return input impedance: 10k
  • Frequency response: 20Hz - 40kHz +0 / -1dB
  • Dynamic Range: >100dB
  • Power supply: 110-120v or 220-240v AC
  • Power consumption: 35VA typical
  • Dimensions: 483 x 250 x 132mm (19" 3U)
  • Weight: 9kg Shipping Weight: 10kg.
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