8138

8" (200 mm) Full-Range In-Ceiling Loudspeaker for use with Pre-Install Backcans

8138
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8" (200 mm) Full-Range In-Ceiling Loudspeaker for use with
Pre-Install Backcans

The 8138 is an 8" ceiling speaker designed for use with a pre-install inceiling backcan, resulting in highfidelity performance at a costeffective price point. The 8138 is ideal for a wide variety of commercial sound applications from restaurant and retail to professional offices and reception areas.

 

Features

  • Stylish, contemporary appearance enhances any decor.
  • Clear sound from an 8 inch dualcone full-range driver.
  • Very high sensitivity of 97 dB for maximum sound levels using minimum amplifier power.
  • 6W transformer for use on 70V/100V distributed speaker lines
  • Installs to in-ceiling backboxes having 4 mounting points on an 11.25" (286 mm) diameter mounting circle.
  • For use with MTC-81BB8 backcan and MTC-81TB8 tile bridge
 

Downloads

  Version Language Size Uploaded
Specifications
file type icon 8138 Spec Sheet
updated: Oct 2020
    363 KB Oct 2020
Manuals
file type icon Ceiling Speaker Accessory Guide
version B, updated: Jan 2024
  231 KB Jan 2024
Brochures
file type icon Control Contractor Brochure (2024)
en version E, updated: Mar 2024
en  14.2 MB Mar 2024
Compliances
file type icon 8138 Declaration of Conformity
updated: Oct 2020
    88 KB Oct 2020
Software
platform icon Distributed System Design (DSD)
version 3.7, updated: Nov 2023
3.7     1.07 MB Nov 2023
Faqs
file type icon 8138 Frequently Asked Questions
updated: Oct 2020
    31.5 KB Oct 2020
Images
file type icon 8138 Hi Res Image
updated: Oct 2020
    12.1 MB Oct 2020
Speaker Tunings
file type icon Commercial, CBT, and AWC Tunings 220616
version A, updated: May 2023
  557 KB May 2023

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Parts & Service

Specifications

Drivers 200 mm (8 in) Full-Range, Dual-cone
Frequency Range (-10dB) 95 Hz – 18 kHz
Coverage Angle 90° conical
Sensitivity 97 dB (2k - 8k Hz)
Driver Power Capacity 40W (160W peak), 2 hrs25W (100W peak), 100 hrs
Transformer Taps 6W, 3W, 1.5W, (0.75W at 70V only)
Input Connectors Bare Wire
Magnet 10 ounces (283 g)
Safety Agency Transformer is UL registered per UL1876
Installation Full assembly consists of 8138 speaker plus MTC-81BB8 backbox andMTC-81TB8 tile bridge. Four screw holes at industry standard 286 mm (11.25 in) mounting circle.
Dimensions (Diameter x Depth) 327 mm (12.9") diameter baffle x 84 mm (3.3") depth from back of baffle. Overall depth, 99 mm (3.9")
Mounting points 4 points on 286 mm (11.25 in) diameter mounting circle
Ceiling Cutout Size 300 mm (11.75") with tile bridge and backbox.228 mm (9.0") diameter as stand alone.
Net Weight 1.4 kg (3.0 lb)
Included Accessories Integral grille, 4 pcs M4 x 40 mm tapping screws
Optional Accessories MTC-81BB8 backcan, MTC-81TB8 tile bridge
Power Rating See transformer taps
Maximum SPL (1m) 105 dB (top 70V/100V tap)
Color White
Backcan formed steel (accessory)
Baffle/Rim Plastic
Plenum Usage Yes, with accessory backcan

Accessories

MTC-81BB8 | Pre-Install In-Ceiling Backcan
MTC-81BB8 Main photo
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Pre-Install In-Ceiling Backcan

The MTC-81BB8 is designed for use in applications requiring preinstalled backcans and is compatible with ceiling speakers having a 286 mm (11.25 in) mounting circle diameter, such as the JBL 8138 ceiling loudspeaker, and the JBL MTC-81TB8 tile bridge for suspended ceilings.

  • Fits 8138 speaker and MTC-81TB8 Tile Bridge
  • Extra-large 7.4 liter (0.26 cu ft) volume allows for extra bass
  • Industry standard 286 mm (11.25 in) mounting circle
  • Five conduit knockouts
  • Nesting during storage minimizes storage space requirements

Documentation
MTC-81TB8 | Pre-Install In-Ceiling Tile Bridge for Pre-Install Backbox
MTC-81TB8  Main photo
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Pre-Install In-Ceiling Tile Bridge for Pre-Install Backbox

The MTC-81TB8 tile bridge is designed for use in applications requiring pre-installed backcans in suspended ceiling applications and is compatible with ceiling speakers having a 286 mm (11.25 in) mounting circle diameter, such as the JBL 8138 ceiling loudspeaker, and the JBL MTC-81BB8 pre-install backbox.

  • Fits 8138 speaker and MTC-81BB8 backbox
  • Load-bearing bridge eliminates ceiling tile sag by distributing weight to the ceiling’s support system
  • Rust-resistant 19-Gauge (1 mm thick) steel construction and e-coated finish ensures long service life.
  • Fits 610 mm (24 in) and 600 mm (23.6 in) tile grids

Documentation

News

Support/FAQs

HARMAN Professional Solutions:

8138

8" (200 mm) Full-Range In-Ceiling Loudspeaker for use with Pre-Install Backcans