1983 Dolby SP Series Ad

One of 24 Reasons Why You Should Buy The Dolby SP Series.

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The Dolby SP Series provides up to 24 tracks of Dolby A-type noise reduction in only 12¼” of rack space. Each channel features a plug-in Cat. No. 230 carrier card containing controls, LED display, interface circuitry, and a plug-in Cat. No. 22 NR module.
The SP Series’ combination of compact size, ease of operation, high per-formance, and new features make it ideal for equipping new recording facilities and upgrading existing ones.