What size room or venue is the AC18/26 designed for?

The AC18/26 is optimized for intimate venues, mid-sized rooms, and control rooms where clarity and focused coverage take priority over sheer SPL output. Its compact footprint and 8-inch woofer work well for up to roughly 100–150 person capacity with supplemental fills or as a standalone monitor, but it is not intended as a main PA for large halls or outdoor events.

Is this a powered or passive speaker, and what amplification do I need?

The AC18/26 is a passive speaker with an 8-ohm impedance, requiring an external amplifier rated for 250W continuous (500W program / 1000W peak). You will need a mixer or amplified output from your mixing console or interface.

How does it mount or position in a rig or studio?

The speaker has six M8 suspension points—one top, three bottom, and two rear—allowing secure rigging to a stand, truss, or wall mount. Dual Neutrik NL4 connectors plus screw terminals give you flexible wiring options for both temporary and permanent installations.

What is the frequency response and coverage pattern?

Frequency response is 63 Hz–19 kHz (±3 dB), with extended reach down to 52 Hz at -10 dB. The 120° × 60° rotatable waveguide delivers a focused, directional pattern with an 8 dB Directivity Index, ensuring tight control over where the sound goes.

How portable is the AC18/26, and will it hold up to touring?

At 12.8 kg (28.2 lb) and compact dimensions of 469.9 × 237.5 × 254.0 mm, it moves easily between venues. The black DuraFlex finish resists scuffs, dings, and wear in touring and rental environments, making it a durable choice for road use.

JBL AC18/26 Compact 2-Way Loudspeaker

The AC18/26 punches through live rooms with articulate, focused output that keeps your mix tight and intelligible without muddying the stage. Its compact footprint and 12.8 kg weight make it genuinely portable—you can move it fast, position it precisely, and still get real acoustic authority. The passive design pairs a tight, focused 8-inch low end with crisp, detailed highs that lock in vocals and instruments with clarity, making it an excellent choice for monitor duty, fill speaker coverage, or as the foundation of a lean PA rig.

Audio Performance & Coverage

The 1 x 8" LF driver combined with a 1" HF compression driver and 120° x 60° field rotatable PT Waveguide delivers focused, directional sound with a Directivity Index of 8 dB across the midrange and treble. Frequency response spans 63 Hz – 19 kHz (±3 dB), with extended reach down to 52 Hz at -10 dB, ensuring both presence and low-end definition across a wide range of program material.

Connectivity & Ruggedness

Dual Neutrik NL4 connectors plus screw terminal backing provide flexible wiring options for permanent or temporary installations. Suspension points at six M8 mounting locations—one top, three bottom, two rear—enable secure rigging or stand mounting, while the black DuraFlex™ finish resists wear in touring and rental environments.

Key Features

1 x 8" low-frequency driver
1" HF compression driver with field rotatable 120 x 60° Coverage PT Waveguide
8 ohm impedance
250W continuous / 500W program / 1000W peak power rating
Frequency range: 52 Hz – 20 kHz (-10 dB)
Frequency response: 63 Hz – 19 kHz (±3 dB)
Directivity Factor (Q): 7; Directivity Index (DI): 8 dB
Dual Neutrik NL4 connectors with screw terminal backup
Six M8 suspension points for flexible mounting configurations
Compact dimensions: 469.9 x 237.5 x 254.0 mm (18.5 x 9.4 x 10.0 in)
12.8 kg (28.2 lb) weight for portable transport
Black DuraFlex™ finish for durability

The AC18/26 combines honest, transparent reproduction with the ruggedness needed for real-world deployment, whether as a standalone monitor, fill speaker, or core component in a compact PA rig.

Condition	New
Country of Manufacture	Mexico