2421B Comparison
| photo | price | summary | rating |
|---|---|---|---|
 | $9.99 | Condition is Used, JBL 2420 compression Driver speaker SPEC SHEET JAMES B LANSING dealer pamphlet, shipping cost = $4.47 | 100.0% |
 | $300.00 | Condition is Used, JBL 2420, 16 ohm Compression Driver,Speaker (21), shipping cost = $29.45 | 99.3% |
 | $300.00 | Condition is Used, JBL 2420 Horn Driver Speaker, 16 ohms (23), shipping cost = $31.25 | 99.3% |
 | $499.99 | Condition is Used, JBL Speaker Diaphragm Voice Coil Replacement Assembly 2420 2421B USED JAPAN RARE, FREE SHIPPING | 100.0% |
 | $650.00 | Condition is Used, jbl speakers 2420, FREE SHIPPING | 0.0% |
 | $700.21 | Condition is Used, JBL 2420 Compression Driver Pair 8 Ohm Vintage Audio Speakers.s, shipping cost = $100.00 | 100.0% |
![JBL 4560BK Cinema Speaker Set 2220J 2420 2345 Fully [Overhauled]](/z_vintaspeaker/b5kAAeSwYfNpWc8k.webp "JBL 4560BK Cinema Speaker Set 2220J 2420 2345 Fully [Overhauled]") | $8999.88 | Top Pick! Condition is Used, JBL 4560BK Cinema Speaker Set 2220J 2420 2345 Fully Overhauled , FREE SHIPPING | 98.4% |
| photo | price | summary | rating |
|---|---|---|---|
 | $22.00 | Condition is New, 44.5 treble for JBL 2420H 2425H 2426H 2427H round frame 44.4mm coil, shipping cost = $6.96 | 91.7% |
 | $43.00 | Condition is New, Treble for JBL voice coil 2426H 2425H 2427H 2421H 2420H 44.4 pure aluminum flat, shipping cost = $6.96 | 91.7% |
 | $790.88 | Top Pick! Condition is New, Pair of JBL 2420 Series Professional 16 Speaker Driver Units..., FREE SHIPPING | 99.7% |
 | $790.88 | Top Pick! Condition is New, JBL 2420 Professional Series 16 Speaker Driver Unit Pair Functional Heads, FREE SHIPPING | 99.7% |
The JBL 2421B speaker diaphragm voice coil is a high-quality component designed for use in various JBL speaker models. This voice coil is a crucial part of the speaker, responsible for converting the electrical energy from the amplifier into mechanical energy that drives the speaker cone, producing sound.
The 2421B voice coil is made with a 2.5 ohms impedance, which ensures efficient power transfer from the amplifier to the speaker, delivering clear and powerful sound. The voice coil wire is made of copper, a material known for its excellent electrical conductivity and reliability. The copper wire is wound around a former, which is made of a high-temperature material to ensure the voice coil can withstand the heat generated during operation.
The voice coil is designed to work with a 1-inch diaphragm, making it suitable for use in small to medium-sized speakers. The diaphragm material is not specified in this part number, but it's commonly made of materials like paper, polyimide, or mylar, which have good stiffness-to-weight ratio and can vibrate to produce sound.
Each JBL 2421B voice coil is tested and inspected for quality before being shipped, ensuring you receive a reliable and high-performing component. With its robust design and high-quality materials, the 2421B voice coil is a reliable choice for anyone looking to repair or upgrade their JBL speakers.
Pros of buying JBL 2421B Speaker Diaphragm Voice Coil:1. High-quality material: JBL is a well-known brand in the audio industry, known for producing high-quality speakers. The 2421B voice coils are made of durable materials, ensuring long-lasting use.
2. Wide compatibility: These voice coils are compatible with a wide range of JBL speakers, making them a versatile choice for audio enthusiasts.
3. Cost-effective: Compared to buying a new speaker, purchasing just the voice coil can be a more cost-effective solution for repairing or upgrading existing speakers.
Cons of buying JBL 2421B Speaker Diaphragm Voice Coil:1. Requires technical knowledge: Installing the voice coil requires some technical knowledge and skills, which may be intimidating for some people.
2. Risk of damage: If not installed correctly, there is a risk of damaging the speaker and voiding its warranty.
3. Limited customization: Since these are JBL voice coils, they may not offer the same level of customization as aftermarket options.
Conclusion:If you are a DIY audio enthusiast with some technical knowledge, the JBL 2421B Speaker Diaphragm Voice Coil can be a cost-effective solution for repairing or upgrading your existing JBL speakers. However, installing the voice coil requires some level of technical expertise, and if not done correctly, it could damage the speaker. If you are not confident in your abilities, it may be better to hire a professional or consider buying a new speaker with the desired specifications.
Recommendation:If you have the technical skills and are comfortable installing the voice coil yourself, the JBL 2421B Speaker Diaphragm Voice Coil can be a great option for repairing or upgrading your existing JBL speakers. However, if you are not confident in your abilities, it may be better to consider hiring a professional or buying a new speaker with the desired specifications.
Details:
They are mint new old stock pristine. 2 Jbl speaker diaphragm voice coil replacement assembly 2420 2421B oem nos mint. Unsealed by me just now to take photographs and measure. See pictures.
specifications vintaspeaker:
- brand: Jbl
- mpn: 2421b
- model: Jbl 2420 2421b
- part type: Speaker Coil
general vintaspeaker:
- category: Electronics > Audio Video > Vintage Speakers
payments vintaspeaker:
- wallet: google-pay
- credit card: american-express
seller vintaspeaker:
- rating: 100.0%
- # reviews: 519
- city: kensington, maryland
offer vintaspeaker:
- started: march 20, 2024
- availability: in stock
- prices: $300.00–$8999.88
- item condition:
- Used
- New
- best offers: true
- options: ship-to-home
- sold #: 30
- in stock #: 5
shipping vintaspeaker:
- type: calculated
- class: standard
- transit: 5-9 days
- service: fedex ground or fedex home delivery
- carrier: fedex
returns vintaspeaker:
- policy: no returns