The THX 22 is also one of the quietest equalizers available at any price. After alignment, pressing the BYPASS switch reveals the before and after. The clarity is obvious.
The left and right channels feature an 11-band 1/3-octave graphic section for low frequency corrections, plus a 2-band parametric equalizer for high frequencies. The THX 22 delivers up to 6 dB of correction. The parametric bands can provide the broad frequency control occasionally needed in the top end, or notch out a problem frequency peak.
The THX 22 installs between the preamp/controller and the power amplifiers. Setting the surround channel controls to THX standards requires the temporary use of a 1/3 octave analyzer with averaging. As for the front channels, consult the Home THX Audio System Room Equalization Manual available below.
Once set-up, all controls are hidden away behind the included security panel. A low-noise power supply and attachable 19" rack mounting ears are also provided.
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