GATES STA LEVEL AMPLIFIER M-5167
This documentation set includes not only the manual but also the two sided sales and engineering brochure advertising the unit (very informative). There are three different vintages of schematics and all are included in this documentation set as well as a copy of the catalog page featuring the STA LEVEL tube type compressor as advertised.

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GATES TUBE TYPE DUAL PEAK LIMITER AMPLIFIER
Documentation set for the Dual Limiter includes manual and Schematics. There are two versions of the tube type dual limiter: Early version uses tube type detector/rectifier tube side chain, Later version uses a solid state variable gain reduction circuit.

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GATES LEVEL DEVIL Tube Type AGC audio amplifier. Photocopy of Manual and schematic.

GATES SA 39A Tube Type Limiter. Photocopy of Manual and Schematic for this classic tube limiting amplifier. Schematic may be in multiple sections.

GATES SA 39B Tube Type Limiter. Photocopy of Manual and Schematic. Schematic is One page and a bit out of focus but usable.

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