A8X
ADAM Audio Discontinued

A8X

Active two-way studio monitor with an 8.5-inch woofer and X-ART tweeter, built for both nearfield and midfield use. It suits project and professional studios that want a single monitor for close and slightly more distant listening.

  • Vertical 2-way active monitor, 8.5" woofer
  • X-ART tweeter with its own 50 W class A/B amp
  • 150 W PWM woofer amp, 200 W RMS total
  • 38 Hz–50 kHz response, ≥120 dB max SPL per pair
  • Tweeter gain plus low and high shelf EQ
  • XLR and RCA analog inputs
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Description

The A8X is a vertical two-way powered monitor with one 8.5-inch woofer (carbon, Rohacell and glass-fibre cone) and an X-ART folded-diaphragm tweeter. Each driver has its own amplifier: a 150 W PWM amp drives the woofer and a 50 W class A/B amp drives the tweeter. The crossover sits at 2300 Hz and the frequency response runs from 38 Hz to 50 kHz. A pair reaches a maximum SPL of 120 dB or more at 1 m.

Large bass reflex ports on the front let the monitor be placed close to a wall. The cabinet shape is designed to cut unwanted reflections, and the vertical sound radiation is directional, which reduces early reflections from consoles and desks. Room adaptation is handled by a tweeter gain control and low and high shelf filters, with a level control and power switch on the front panel.

Input is analog on XLR and RCA connectors, for balanced and unbalanced line signals. The cabinet is not magnetically shielded. The monitor comes with a power cord and manual, and the warranty is 2 years, extendable to 5 years with product registration.

Video

Specifications

Brand
ADAM Audio
Model
A8X
Category
Studio › Studio monitors

Drivers

Woofer count
1
Woofer basket diameter
8.5" (220 mm)
Woofer voice coil diameter
1.5" (38 mm)
Woofer cone material
Carbon/Rohacell/Glass Fiber
Tweeter count
1
Tweeter type
X-ART
Tweeter diaphragm area
4 inch² (2420 mm²)
Tweeter equivalent diaphragm diameter
2" (56 mm)
Velocity transform ratio
4:1
Tweeter diaphragm weight
0.17 g

Amplifiers

Woofer amp type
PWM
Woofer amp power RMS / Music
150 W / 225 W
Tweeter amp type
A/B
Tweeter amp power RMS / Music
50 W / 75 W

Audio

Frequency response
38 Hz - 50 kHz
THD 90 dB / 1 m > 100 Hz
≤0.5 %
Max. SPL, sine wave 100 Hz to 3 kHz at 1 m
≥112 dB
Max. SPL per pair at 1 m
≥120 dB
Crossover frequency
2300 Hz

Controls

Input sensitivity
-∞ to +14 dB
High shelf EQ > 5 kHz
±6 dB
Low shelf EQ < 300 Hz
±6 dB
Tweeter gain
±4 dB

Inputs

Analog input connectors
XLR / RCA
Input impedance
30 kOhm

Physical

Weight
28.7 lb (13 kg)
Height x Width x Depth
15.5" (400 mm) x 10" (255 mm) x 12.5" (320 mm)
Magnetically shielded
No
Control panel position
Front

In the box

Delivery contents
Power cord, manual
Warranty
5 years (2 years warranty plus 3 years optional with product registration)

Data: archive.org; photos: ADAM Audio product page (Wayback copy) · updated 2026-10-14 · Found a mistake? Write to us