JBL Cbt 70J-1 J-shaped 2-WAY Line Array Column Spk, Blk
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- Brand new in original box
- Full JBL manufacturer's warranty
- Free shipping in the continental US
In stock
- SKU
- CBT-70J-1
. Description
JBL CBT 70J-1 J-Shaped 2-Way Line Array Column Speaker, Black
The CBT 70J-1 delivers controlled, intelligible coverage with predictable vertical dispersion—essential for capturing consistent, phase-coherent sound in fixed studio monitoring setups, broadcast facilities, and controlled recording environments. Its distinctive J-shaped design projects audio with precision, eliminating the phase smearing typical of straight arrays and ensuring your mix translates accurately across the listening plane.
Acoustic Design & Vertical Dispersion Control
The J-shaped curving geometry creates an asymmetrical vertical coverage pattern that progressively controls dispersion without the phase issues typical of straight arrays. The low-diffraction baffle eliminates frequency response irregularities, ensuring smooth tonal consistency across the monitoring area. Switchable coverage patterns—45° for medium-throw and 25° for long-throw—allow the speaker to adapt to different room dimensions and mounting heights, critical for maintaining accurate off-axis response during mixing and mastering sessions.
Driver Configuration & Power Capacity
The CBT 70J-1 houses sixteen 25 mm soft dome tweeters paired with four 125 mm high-power LF drivers arranged coaxially for time-aligned response, delivering phase-coherent articulation across the midrange and treble. With 350W RMS power and 8 Ohm impedance, this speaker reproduces detail-rich material at studio monitoring levels while maintaining adequate headroom and thermal stability during extended session work.
Key Features
- Sixteen 25 mm (1 in) soft dome tweeters and four 125 mm (5 in) high-power LF drivers, coaxially arranged
- J-shaped column design with asymmetrical vertical coverage pattern
- Switchable 45° medium-throw and 25° long-throw coverage angles
- Low-diffraction baffle for controlled frequency response
- 350W RMS power handling
- 8 Ohm impedance
- Frequency response: 60 Hz – 20 kHz
- Compact height: 70 cm (27.6 in)
- Progressive line array behavior without phase irregularities
- Black finish
The CBT 70J-1 combines acoustic precision with practical installation flexibility, serving as a reliable monitoring solution for recording professionals requiring articulate, phase-coherent vertical dispersion in controlled environments.
More Information
| Condition | New |
|---|
Reviews
At a Glance
The JBL CBT 70J-1 is a professional line array column speaker designed for fixed installations and broadcast/streaming environments where clean, intelligible audio and consistent coverage are critical. Its coaxially arranged drivers (sixteen 25 mm tweeters and four 125 mm LF units) deliver time-aligned response and smooth frequency extension (60 Hz–20 kHz), making it well-suited for capturing and reproducing clear dialogue, vocals, and full-range material in controlled acoustic spaces. Choose it for predictable vertical dispersion, low phase distortion, and 350W RMS power handling that scales reliably in multi-speaker installations.
Who This Is For
Great for
- ✓ Live Performance
- ✓ Houses of Worship
- ✓ Retail Environments
- ✓ Fixed Installations
Not the best pick for
- – Home Recording
- – Portable PA Applications
Skill level: Professional
Frequently Asked Questions
What coverage patterns does the CBT 70J-1 offer, and how do I choose between them?
The speaker features switchable 45° (medium-throw) and 25° (long-throw) vertical coverage angles. Select 45° for medium-sized rooms or shorter mounting distances, and 25° for larger spaces or higher mounting positions where you need controlled dispersion over greater distances.
What makes the J-shaped design better than a straight line array?
The J-shaped curved geometry creates asymmetrical vertical coverage that progressively controls dispersion without the phase issues typical of straight arrays. This eliminates frequency response irregularities and ensures smooth tonal consistency across the listening area.
What amplifier and impedance compatibility should I expect?
The CBT 70J-1 operates at 8 Ohms with 350W RMS power handling, allowing flexible amplifier pairing with reasonable thermal headroom. This impedance and wattage rating make it practical for both single-speaker installations and multi-unit line arrays.
Is this speaker suitable for live music performance venues?
Yes, the CBT 70J-1 is rated for live performance, houses of worship, and retail installations. Its articulate highs, controlled low-mid presence, and intelligible speech clarity make it well-suited for venues requiring predictable, consistent coverage—though it is not designed for home recording or practice spaces.
What drivers are included and how are they arranged?
The speaker houses sixteen 25 mm soft dome tweeters and four 125 mm high-power LF drivers arranged coaxially for time-aligned response, ensuring coherent sound propagation across the frequency range without phase timing issues.
Do I pay sales tax on this order?
We collect sales tax only on orders shipped to California. Orders shipped to any other US state are charged $0 sales tax at checkout when you buy direct from our website. On this item that is roughly $104 less out the door than the same listed price at a national retailer or on a marketplace. Marketplaces such as eBay, Reverb and Amazon collect sales tax in nearly every state as marketplace facilitators no matter who the seller is, so the same item at the same price costs less bought direct. Free US shipping and 30-day returns are included. Some states ask buyers to self-report use tax on out-of-state purchases.
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