The offer is for 2 working units of Cinema Equalizers Model E-2.

One VU is missing !

Please ask for international Shipping Costs ! ( weight ca. 10kg ) for ex. USA ca 100€

Features of the Dolby E2 Equalizer:

• Third-Octave Equalization: It provided precise frequency adjustment for each channel (Left, Center, Right, Surround) to compensate for room acoustics.
• X-Curve Tuning: Followed Dolby’s "X-Curve" standard, which introduced a high-frequency roll-off in larger theaters to prevent excessive brightness.
• Analog Design: Used passive and active components to shape the frequency response, ensuring clarity and consistency.
• Integration with CP50, CP100, CP200: Often paired with early Dolby cinema processors to fine-tune sound for film projection.

Use in Vintage Cinemas:

• The E2 was critical in theaters transitioning from mono optical sound to Dolby Stereo.
• Engineers used it to balance speaker response in large auditoriums.