OHM
Vintage 1970s OHM Model I Speakers Pair Time Capsule — Tested w/ OEM Manuals
$1,795.00+ $7.99 shipping · total at checkout
- SizeOS
- ConditionGood
Size and condition above come from the listing. The description below is the seller’s own text.
Overview:Up for sale is a rare, collector-grade matched pair of vintage (1977-1980) Ohm Model I Omnidirectional Floor Speakers. Manufactured by Ohm Acoustics Corp. in Brooklyn, NY during the golden era of American hi-fi, this sophisticated 4-way system is renowned for its authoritative presence and expansive soundstage. This item comes from the estate of a single-owner audiophile who took meticulous care of their gear. Official Factory Specifications:Dimensions: 33.25" x 15.5" x 15.5" at bottom, tapering to 13.62" x 13.62" at top; weight ca. 73 .lbs eachDrivers: 12-inch sub-woofer (72 oz. ferrite magnet), 8-inch woofer (32 oz. ferrite magnet), 1.5-inch soft cloth dome liquid-cooled midrange, and two 1-inch soft dome high tweetersCrossover Frequencies: 100 Hz, 2000 Hz, and 10000 Hz (Series network)Enclosure Design: Dual vented (Quasi-third order Butterworth)Frequency Response: 32 to 21,000 Hz +/- 3.5 dBImpedance: Nominal 4 to 8 ohmsPower Handling: 10 Watts minimum RMS up to 1000 Watts peak RMSCabinet Material: 3/4" flakeboard stock with genuine walnut hardwood veneersAdditional Feature: Binding posts/banana jacks with built-in provisions for bi-amplificationSee images for Ohm catalog factory specsTechnical Condition & Multimeter Testing:Main System Input (Normal Mode): Both cabinets registered a matching 5.4 ohms of DC resistance, proving perfect internal balance across the primary circuitry.Subwoofer Input (Bi-Amp Mode): Left cabinet reads 6.1 ohms and the Right cabinet reads 6.2 ohms, confirming healthy internal subwoofer voice coils with zero signs of decay.Internal crossover toggle switches are fully intact and functional.Driver & Cosmetic Condition:Top-firing woofers and massive 12-inch front subwoofers feature original factory accordion-roll cloth and rubber surrounds. They are entirely free of age-related foam rot and remain fully supple.All driver cones appear excellent, and the dome tweeters are structurally complete with no pushed-in dimples.Real walnut wood-veneer cabinets show beautiful grain luster with minor age-appropriate wear. Resided in a smoke-free, climate-controlled home.Original black acoustic fabric grilles are clean, snag-free, and feature both original metal Ohm badges.Included Documentation:Includes a pristine and clean bundle of original period paperwork (see images):Original Ohm Owners Manual and Warranty Booklet (reverse page number code suggests a 1979 model)Un-filled Warranty card mailerVintage "Ohm Loudspeakers In Review" Engineering Booklet containing explicit model-specific lab reports, schematic measurements, and reviews for the Model I.Original booklet with specs of Ohm Speaker models of the era.########Local Handoff Terms (Farmington, CT Area):Available for Local Pickup Only due to extreme size and weight. Buyer must bring a suitable vehicle, securing materials, and muscle for safe transport.Condition Statement:This vintage time capsule audio equipment was purchased ca. 1979 and maintained by a single-owner (an audiophile). This pair has been tested with a multimeter for electronic continuity and visual integrity as described, and is sold as-is.--These items are part of an estate from a collector and carpenter by trade (descended from other crafts-persons, mostly in Connecticut). Payment required within 48 hours of auction's end. All items from a smoke-free environment. Please check out the other items from this collection!
Buyer Protection — full refund if it is not as described
Buy nowAdd to your bag
One quick step, and it works across every Closo shop.
We emailed it to .
Shipping$7.99 flat
$7.99 flat.
ReturnsAll sales final.
All sales final. Items not as described are always covered — see Buyer Protection below.
MeasurementsNot listed
This listing does not carry measurements. Ask for measurements — it goes straight to Brian Blais.
Buyer ProtectionNot as described — full refund
Full refund if your item isn’t as described, arrives damaged, or never arrives — report within 3 days of delivery. The money is held until then.
Message Brian Blais
Vintage 1970s OHM Model I Speakers Pair Time Capsule — Tested w/ OEM Manuals
$1,795.00
Message Brian Blais’s
One quick step, and it works across every Closo shop.
We emailed it to .
Sending as
Sign in to send a message. It takes one code by email — no password.
Your question goes to Brian Blais here in Closo, and their answer appears in your account. Neither of you sees the other's email address.
Other · OHM
I’ll email you when gear like this lands.
Notify me
- 1 Email
- 2 Preferences
- 3 Done
Never miss the next find
Other · OHM
I’ll email you when gear like this lands.
Takes 20 seconds · one email when it matches
Follow Brian Blais’s
One quick step, and it works across every Closo shop.
We emailed it to .
You’re on the list
Sending to
One email when it matches. Unsubscribe anytime, one tap.
Set what to look for 2 quick steps · optional ›
Set what to look for
Alerts fire only for what you pick here.
Pick anything and I’ll only email you when it matches.
You’re already subscribed — this only narrows what I send.
