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                                                                                                  1. Home
                                                                                                  2. Sensors & Transducers
                                                                                                  3. Transducers
                                                                                                  4. Acoustic Components
                                                                                                  5. Speakers & Receivers
                                                                                                  Print Page

                                                                                                  SP-45/4

                                                                                                  Loudspeaker, Bass-Midrange, 40W, 4ohms, 90mm

                                                                                                  MONACOR SP-45/4
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  ManufacturerMONACOR
                                                                                                  Manufacturer Part NoSP-45/4
                                                                                                  Newark Part No.36C5685
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  Available to Order
                                                                                                  Manufacturer Standard Lead Time: 20 week(s)

                                                                                                  Product Information

                                                                                                  ManufacturerMONACOR
                                                                                                  Manufacturer Part NoSP-45/4
                                                                                                  Newark Part No.36C5685
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Transducer FunctionSpeaker
                                                                                                  Power Rating RMS20W
                                                                                                  Driver TypeMid-range
                                                                                                  Impedance4ohm
                                                                                                  Power Rating Nom20W
                                                                                                  External Width - Metric78mm
                                                                                                  Sensitivity (dB)88dB
                                                                                                  Resonant Frequency120Hz
                                                                                                  Sound Pressure Level (SPL)88dB
                                                                                                  Speaker ShapeRound with Square Frame
                                                                                                  External Width - Imperial3.071"
                                                                                                  Frequency Response Min120Hz
                                                                                                  Frequency Response Max16kHz
                                                                                                  Speaker MountingPanel Mount
                                                                                                  Product Range-
                                                                                                  Power Rating Max40W
                                                                                                  External Length - Metric78mm
                                                                                                  External Depth - Metric43mm
                                                                                                  External Length - Imperial3.071"
                                                                                                  External Depth - Imperial1.693"
                                                                                                  SVHCTo Be Advised

                                                                                                  Product Overview

                                                                                                  Perfect for replacement use or in new compact speaker designs, these are also great for multi-driver columns. Wide frequency response and good power handling make them suitable in full range or midrange applications.

                                                                                                  • Open back stamped frame
                                                                                                  • Paper cone with foam surround and molded dust cap
                                                                                                  • 3/4” copper voice coil on an aluminum former Specifications:
                                                                                                  • Power capacity: 20W/40W RMS/peak
                                                                                                  • Frequency range: 120Hz~16KHz
                                                                                                  • SPL: 88dB (1W/1M)
                                                                                                  • Magnet weight: 5. 4 oz.
                                                                                                  • Qts: 0. 55
                                                                                                  • Qes: 0. 68
                                                                                                  • Qms: 2. 82
                                                                                                  • Vas: 1. 51
                                                                                                  • Mms: 1. 6g
                                                                                                  • Xmax: 1. 5mm
                                                                                                  • Sd: 31cm2 Dimensions:
                                                                                                  • Outer frame: 3. 1” x 3. 1”
                                                                                                  • Required cutout: 2. 8” (dia. )
                                                                                                  • Depth: 1. 7”

                                                                                                  Technical Specifications

                                                                                                  Transducer Function

                                                                                                  Speaker

                                                                                                  Driver Type

                                                                                                  Mid-range

                                                                                                  Power Rating Nom

                                                                                                  20W

                                                                                                  Sensitivity (dB)

                                                                                                  88dB

                                                                                                  Sound Pressure Level (SPL)

                                                                                                  88dB

                                                                                                  External Width - Imperial

                                                                                                  3.071"

                                                                                                  Frequency Response Max

                                                                                                  16kHz

                                                                                                  Product Range

                                                                                                  -

                                                                                                  External Length - Metric

                                                                                                  78mm

                                                                                                  External Length - Imperial

                                                                                                  3.071"

                                                                                                  SVHC

                                                                                                  To Be Advised

                                                                                                  Power Rating RMS

                                                                                                  20W

                                                                                                  Impedance

                                                                                                  4ohm

                                                                                                  External Width - Metric

                                                                                                  78mm

                                                                                                  Resonant Frequency

                                                                                                  120Hz

                                                                                                  Speaker Shape

                                                                                                  Round with Square Frame

                                                                                                  Frequency Response Min

                                                                                                  120Hz

                                                                                                  Speaker Mounting

                                                                                                  Panel Mount

                                                                                                  Power Rating Max

                                                                                                  40W

                                                                                                  External Depth - Metric

                                                                                                  43mm

                                                                                                  External Depth - Imperial

                                                                                                  1.693"

                                                                                                  Technical Docs (2)

                                                                                                  Technical Data Sheet EN

                                                                                                  Drawing EN

                                                                                                  Legislation and Environmental

                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:Unknown
                                                                                                  RoHS Compliant:To be advised
                                                                                                  RoHS Phthalates Compliant:To be advised
                                                                                                  SVHC:To Be Advised
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

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