MISCO DC23S NOS Oval Speaker Vintage U.S. Patent Industrial Audio

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New Old Stock (NOS). Never installed or used. Excellent vintage condition with only minimal age-related storage marks. Speaker cone, frame, and terminals are clean and intact.

Description:

Offered here is a New Old Stock MISCO DC23S oval speaker, a high-quality vintage speaker originally manufactured by MISCO (Minneapolis Speaker Company), a respected American audio component manufacturer known for supplying OEM speakers for industrial, commercial, and electronics applications.


This speaker appears unused and has been carefully stored for decades. The cone shows no tears, punctures, or deterioration, and the metal frame retains its original finish. This is an excellent candidate for vintage electronics restoration, industrial equipment repair, test benches, or custom audio projects.


The rear label clearly identifies the model and associated U.S. patents, helping date this speaker to the mid-to-late 20th century.

Details & Features:

  • Manufacturer: MISCO (Minneapolis Speaker Company)

  • Model: DC23S

  • Condition: New Old Stock (NOS)

  • Shape: Oval

  • Frame: Metal mounting frame with four corner mounting holes

  • Terminals: Dual solder terminals

  • Made in USA

  • Marked U.S. Patents:

    • 3,898,393

    • 4,293,741

  • Original factory label intact

Approximate Dimensions (from photos):

  • Overall height: approx. 6 inches

  • Overall width: approx. 4 inches

  • Depth: approx. 2.25 inches

    (See ruler in photos for reference)

Applications:

  • Vintage electronics restoration

  • Industrial and commercial equipment

  • Intercoms, test equipment, or control panels

  • Custom audio or experimental builds

  • Collectors of vintage American audio components

Included:

  • 1 × MISCO DC23S NOS oval speaker

    Only the speaker shown is included.

Care & Shipping:

Will be carefully packaged.

Please note: For all antiques and collectibles, we perform only minimal cleaning — usually just a light wipe with a paper towel and water. We do this intentionally to preserve the item’s original condition and to avoid any risk of damage, staining, or loss of paint/color.


Since many of these pieces are such unique and amazing finds, we don’t want to take the chance of accidentally ruining something through over-cleaning. Some items may benefit from more detailed cleaning, but we leave that to the buyer’s discretion and preference.


Thank you for your understanding, and good luck with your bidding!


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Return Policy

Standard eBay 30 days, unless otherwise noted in listing.

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