ADAM Audio A77X 2.5-Way Active Studio Monitors - Matched Pair (Speaker A & Speaker B) - Excellent Condition

Experience the legendary stereo imaging and uncompromising high-end clarity of the ADAM Audio A77X. Highly sought-after by mixing and mastering engineers, this discontinued 2.5-way horizontal active studio monitor delivers massive power, deep bass extension, and a remarkably wide sweet spot.

This specific listing is for a proper Left/Right matched pair (Speaker A and Speaker B), essential for ensuring accurate midrange phase coherence and a rock-solid phantom center.

Condition & Authentication

• Functional Condition: 100% perfect working order. The X-ART tweeters, carbon/rohacell woofers, and internal tri-amplification perform exactly to factory specifications.
• Cosmetic Condition: Excellent. The speaker faces and drivers are pristine. There are only a few very minor scuff marks on the top surfaces (a common occurrence for horizontal monitors), which do not impact performance in any way.

Serial Numbers:

• Speaker A (Left): P-300378
• Speaker B (Right): P-300254

Why the A77X Stands Out

Unlike traditional 2-way monitors, the A77X employs a unique 2.5-way design. Both 7-inch woofers handle the heavy lifting of the sub-bass (down to 38Hz), but only one woofer extends up into the midrange to meet the tweeter. This dedicated frequency splitting drastically reduces distortion and provides an incredibly detailed midrange, making vocal placement and EQ decisions effortless.

Key Features

• X-ART Tweeter: ADAM’s proprietary folded-ribbon technology delivers fatigue-free, crystal-clear highs extending up to 50 kHz.
• Dual 7" Woofers: Carbon/Rohacell/Glass fiber cones provide exceptionally tight, fast, and uncolored low-end response.
• Tri-Amplified Power: Equipped with a 50W A/B amp for the tweeter and two 100W PWM amps for the woofers, pushing a massive 122 dB maximum SPL per pair.
• Front-Firing Ports: Dual front bass reflex ports allow for easier placement near walls without muddying the low end.

Technical Specifications

• Specification: Detail
• System Type: Active 2.5-Way
• Frequency Response: 38 Hz – 50 kHz
• Crossover Frequencies: 400 Hz / 3 kHz
• Max SPL (per pair @ 1m): ≥122 dB
• Amplifier Power (RMS): 250W Total per speaker (100W + 100W + 50W)
• Inputs: XLR (Balanced), RCA (Unbalanced)
• Dimensions (H x W x D): 9.5" x 21" x 11" (235 mm x 530 mm x 280 mm
• Weight: 28.2 lbs (12.8 kg) per speaker

Note: Due to their 2.5-way construction, these monitors are mirror-imaged. Always set Speaker A on the left and Speaker B on the right, with the dedicated sub-woofers positioned on the inside of your listening triangle.