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Pair of 8.0-in midrange drivers in sealed baskets with grilles

Orion

Orion Cobalt Series CSB84 8.0-in Midrange Pro Sound Pair

SKU CH-APF0-CESR5

Eight-inch midrange drivers rated at 280 W RMS and 100.7 dB SPL, sold as a grilled pair

  • 280 W RMS power for clean midrange output
  • 7 dB SPL delivers high volume with low distortion
  • 5-in voice coil handles heat during extended use
  • 4-ohm impedance matches common pro amplifiers
  • Pair includes grills for driver protection

Orion Cobalt CSB84 Midrange Pair

The Orion Cobalt Series CSB84 is an 8.0-in midrange driver pair designed for professional sound installations. Each driver handles 280 watts RMS and presents a 4-ohm nominal impedance for amplifier matching. The 1.5-in voice coil supports the rated power handling with a sensitivity of 100.7 dB. Sold as a matched pair, they suit PA systems and high-output component builds.

Sealed basket construction with included grilles

A sealed basket enclosure isolates the rear wave, simplifying mounting in doors or custom enclosures without a dedicated volume. The supplied grilles protect the cone and voice coil from debris during transport and daily use. Pair packaging ensures matched sensitivity and impedance for balanced stereo imaging. The robust frame resists flex under high excursion at the 560-watt nominal rating.

Verify amplifier power and enclosure volume

Confirm your amplifier delivers clean power near the 280-watt RMS figure per channel into 4 ohms. Check that the mounting depth and cutout diameter suit the sealed basket dimensions in your application. Ensure the available air space behind the driver meets the sealed-box requirements for the intended low-frequency response. The 1120-watt peak rating demands adequate wiring gauge and fuse protection.

How it compares

Measured against everything we stock in Pro Audio Equipment, at today’s prices. Recalculated every night.

Price $40.99
Cheaper than about 60% of the 613 comparable items (median $56.99).

Specifications

No published specifications for this item yet.

Questions about this item

What impedance does the 8.0-in midrange present, and how does that limit amplifier pairing?

The driver is rated at 4 ohms nominal, so the amplifier must be stable at that load to deliver the full 280 W RMS without protection shutdown.

What cutout diameter and mounting depth does the sealed basket require?

An 8.0-in cutout is needed; the sealed basket adds depth behind the panel, so verify the enclosure has at least the basket height plus clearance for the 1.5-in voice coil and terminals.

How are the pair wired for stereo installation, and which step causes phase errors?

Connect each driver's positive terminal to the amplifier's matching positive output; reversing one driver flips polarity and cancels midrange output, so confirm polarity before final mounting.

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