
K140 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $101.23 | Condition is Used, VINTAGE JBL K140 15" 8 OHMS WOOFER SPEAKER, shipping cost = $30.00 | 99.9% |
![]() | $69.00 | Condition is Used, JBL K140 15" 8 Ohm PA / Bass / Guitar Speaker - Tested Working, shipping cost = $76.99 | 100.0% |
![]() | $190.00 | Condition is Used, JBL 15'' K-140/4 Professional Speaker 60s? , shipping cost = $92.88 | 100.0% |
![]() | $290.00 | Condition is Used, JBL K-140 Reconed In 1988 by Orange County Speaker 15", shipping cost = $154.80 | 100.0% |
![]() | $699.98 | Condition is Used, JBL K140 15" 8 Ohm Matching 15" Woofers Speakers SEE VIDEO TESTED WORKING, FREE SHIPPING | 100.0% |
![]() | $699.99 | Condition is Used, JBL K140 15" 8 Ohm Vintage Woofer Speakers SEE VIDEO TESTED WORKING, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $75.36 | Condition is For parts or not working, JBL K140 15" WOOFER - 8 OHMS - Bass Guitar Instrument Speaker, shipping cost = $70.35 | 96.3% |
![]() | $70.00 | Condition is For parts or not working, JBL K140 15" 8 Ohm Matching 15" Woofers Speakers Not Tested Selling As Is, shipping cost = $209.93 | 99.3% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $27.95 | Condition is New, 15" JBL JBL E140, K140 Cloth Surround Cone, Speaker Parts., shipping cost = $17.00 | 99.2% |
![]() | $38.00 | Condition is New, JBL E140, D140, K 140 8 ohm Voice Coil, SPEAKER PARTS REPAIR, shipping cost = $6.00 | 99.2% |
![]() | $85.90 | Condition is New, Recone Kit For JBL E140, K140 8 Ohm 15" woofer, Speaker Repair Parts., shipping cost = $18.00 | 99.2% |
![]() | $159.18 | Condition is New, JBL C8RE140 OEM RECONE KIT USED IN THE D140, K140, E140 15" SPEAKERS E-SERIES, shipping cost = $53.15 | 99.5% |



The JBL K140 15 Alnico 150 Speaker (Model Number: 52254) is a classic piece of audio equipment that harks back to the golden era of high-fidelity sound. This speaker is a faithful reproduction of the original JBL K140, which was first introduced in the 1940s and quickly gained a reputation for its exceptional sound quality.
The JBL K140 15 Alnico 150 Speaker features a 15-inch Alnico magnet driver, which is known for its smooth and detailed sound reproduction. The Alnico magnet is made of aluminum, nickel, and cobalt, and it provides a strong and stable magnetic field that allows the speaker cone to move with ease. The result is a rich, full-bodied sound that is both warm and articulate.
The speaker enclosure is made of high-density fiberboard, which is a material that is known for its ability to dampen vibrations and reduce resonance. This helps to ensure that the sound that is produced by the speaker is pure and clear, with no unwanted distortions or colorations. The speaker is also equipped with a 4-ohm impedance, which makes it compatible with a wide range of amplifiers.
The JBL K140 15 Alnico 150 Speaker is a versatile piece of audio equipment that can be used in a variety of applications. It is ideal for home audio systems, recording studios, and live music performances. The speaker's large size and powerful sound make it well-suited for use in larger rooms, and its vintage look and feel will add a touch of style to any audio setup.
In summary, the JBL K140 15 Alnico 150 Speaker is a high-quality piece of audio equipment that offers exceptional sound quality and versatility. Its large Alnico magnet driver, high-density fiberboard enclosure, and 4-ohm impedance make it well-suited for a wide range of audio applications, and its vintage look and feel will add a touch of style to any audio setup. If you are looking for a speaker that delivers rich, full-bodied sound and can handle large-scale audio applications, then the JBL K140 15 Alnico 150 Speaker is the perfect choice for you.
Pros of buying JBL K140 15 Alnico 150 Speaker (Model 52254):1. Legendary Sound Quality: JBL K140 speakers are renowned for their balanced and detailed sound quality, making them popular among audio enthusiasts and professionals.
2. Durable Construction: The speakers are built with high-quality materials, including aluminum cones and a sturdy cabinet, ensuring long-lasting performance.
3. Vintage Aesthetic: The vintage design of the JBL K140 speakers adds a unique and stylish look to any audio setup.
4. Versatile Use: These speakers can be used for a variety of applications, including music listening, home recording, and studio monitoring.
Cons of buying JBL K140 15 Alnico 150 Speaker (Model 52254):1. Limited Connectivity Options: The JBL K140 speakers do not have built-in connectivity options, requiring users to connect them to an amplifier or other audio source using cables.
2. Limited Power Handling: With a power handling of 15 watts RMS, these speakers may not be suitable for demanding applications that require higher power output.
3. Lack of Modern Features: The JBL K140 speakers do not have modern features such as Bluetooth connectivity or digital signal processing, which some users may find limiting.
Conclusion:The JBL K140 15 Alnico 150 Speaker (Model 52254) is a great choice for audio enthusiasts and professionals who value classic sound quality and vintage aesthetic. With their durable construction and versatile use, these speakers can be a valuable addition to any audio setup. However, users should be aware of the limited connectivity options and power handling, and consider whether these cons are acceptable for their needs.
Recommendation:If you're in the market for vintage-style speakers with legendary sound quality, the JBL K140 15 Alnico 150 Speaker (Model 52254) is a worthy consideration. However, make sure to evaluate your audio needs and preferences to determine if these speakers are the best fit for you.
Details:
Hope you find what are looking for. I have powered them up with music and did not here any issues, they sounded great. No rubbing, saw no defects on the cones. This superb low frequency transducer is ; specially designed for bass guitarists and organists to reproduce the rich fundamental tone character of their instruments.
Ohms are 6.0 and 5.9 to show continuity that they work. This is a pair of Jbl K140 15 150/300 watt drivers in mint condition.cones appear original with 52254 numbers stamped on the back. From the internet: K140 15.inch. Conservatively rated at 150 watts continuous sine wave, the K140delivers pure bass notes even thunderous levels with efficiency that unmatched by any other 15.inch loudspeaker.
specifications audioproequip:
- brand: Jbl
- mpn: K140
- compatible brand: For Jbl
- non-domestic product: No
- type: Speaker
- features: Speaker S
- suited for: Speakers
- country/region of manufacture: United States
offer audioproequip:
- availability: in stock
- sold #: 27
- best offers: true
- started: may 20, 2024
- prices: $69.00–$699.99
- item condition:
- Used
- For parts or not working
- New
- options: ship-to-home
- in stock #: 5
returns audioproequip:
- policy: no returns
seller audioproequip:
- city: harrisburg, pennsylvania
- rating: 100.0%
- # reviews: 730
shipping audioproequip:
- service: usps ground advantage
- transit: 4-10 days
- type: calculated
- carrier: usps
- class: standard
payments audioproequip:
- credit card: mastercard
- wallet: paypal
general audioproequip:
- category: Musical Instruments > Pro Audio Equipment Parts
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