AUDIO SOLUTION SERIES A47 Product description MAIN FEATURES HIGH RESOLUTION SERIES AUDIO ATTENUATOR WITH 47 POSITIONS › › › › SERIES A47 two-channel SMT version 47 positions with selectable end stops Low profile: 36 x 36 mm Up to 6 channels Available with pre-populated thin-film SMT resistors or non-populated THT versions 600 ohm, 10 k , 25 k, 50 k or 100 k ohm standard input impedances Exceptional sonic performance with precise switch feel Low-bounce contact system with 3 μm gold plating Free Excel resistor calculator tool available SERIES A47 two-channel THT version* 11/65/EU) Two-channel SMT version Two-channel THT version (supplied non-populated) Mixing desks and outboard studio equipment Home audio and home theater Shafts, concentric construction DESCRIPTION The A47 audio switch series incorporates a PCB based switch contact system that is specifically designed to meet audiophile requirements for superb sonic performance. These series attenuators provide 47 positions and are available from 1 to 6 channels. Switch torques of 1.5, 2.5 and 5 Ncm are available standard, populated with low-noise, high precision SMT resistors (standard input impedances are 600 ohm, 10 k, 25 k, 50 k or 100 k ohm) or non-populated THT versions (can be populated by the customer). The A47 series feature Elma’s hallmark indexing feel for superior tactile feedback. * Pictured with resistors, is supplied non-populated

AUDIO SOLUTION SERIES A47 ELMA Your Solution Partner Dimensions, pin assignment and circuit diagramSWITCH DESIGN 1 wafer L = 24.5 2 wafers L = 42.0 3 wafers L = 59.5 4 wafers L = 77.0 5 wafers L = 94.5 6 wafers L = 112.0 Dimensions in mm Tolerances according to DIN ISO 2768-1 (m), unless otherwise specified

AUDIO SOLUTION SERIES A47 ELMA Your Solution Partner Ordering informationORDERING CODE A47 - SER SWITCHING TORQUE A 1.5 Ncm (not reccomended for > 2 wafers) B 2.5 Ncm (not reccomended for > 4 wafers) C 5 Ncm Single piece packed, lock washer and two nuts are includedACCESSORIES AND SPARE PARTS Spare nut: Stop screws: Part number 5622-16 10 pieces / bag, part number 4124-21SPECIFICATIONS GENERAL Indexing resolution: Switching torque: Rotational life: Contact system: SMT resistors: THT resistors: Input impedance: 47 positions (7.5° indexing | 345° total switch travel) 1.5, 2.5 or 5 Ncm (±30 % over...