Open Box (Mint) 
Adam Audio A77X Powered Monitor

(Right)  Sku #H82205004002000

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Frequency response up to 50kHz and perfectly suited for both near- and midfield monitoring.

In some set-ups it can be advisable to use a horizontally designed speaker rather than a vertical one. Until now, such monitors were only available within the SX top line.

The A77X, due to its outstanding features, might become a true game changer: Equipped with the same advanced technologies as the A7X, it therefore is very similar to the two-way speaker. The A77X, however, distinguishes itself by much higher, compression-free maximum sound pressure levels and dynamics. Due to its power and radiation characteristics, it also is perfectly suited for both near- and midfield monitoring.

Driver technology
Like all models of the AX series, the A77X features the ADAM proprietary X-ART tweeter. The ˜X™ stands for ˜eXtended frequency response™ and thus for one of the features of the Accelerating Ribbon Technology that has been drastically improved: the frequency response. It now extends all the way up to 50kHz. In addition, the X-ART tweeter has higher efficiency and higher maximum sound pressure levels.

The two 7 woofers are identical with that of the A7X. With their large voice coils (1.5) and powerful amplifiers, they are capable of both very high maximum sound pressure levels as well as very deep registers. The woofers do not cover the same frequency bands: while both of them are responsible for the (sub-) bass frequencies up to about 400Hz, only one of them reproduces the midrange. This prevents interferences between the two drivers.

Amplifiers / controls
Each driver has its own dedicated amplifier. A 50W A/B amp is responsible for the X-ART tweeter, while the bass-/midwoofers are driven by a 100W PWM amp each. The front panel includes a power switch and a control for the volume that retains the volume setting independently from the on/off switch.

The rear panel features several additional controls: a gain for the high frequencies (± 4dB) and two shelf filters for high and low frequencies.
To ensure greater compatibility, there are both XLR (balanced) and RCA (unbalanced) connectors.

  • Horizontally designed speaker
  • Same advanced technologies as the A7X
  • Higher, compression-free maximum sound pressure levels and dynamics
  • Suited for both near- and midfield monitoring
  • Dual woofer design
  • ADAM proprietary X-ART tweeter
  • Frequency response up to 50kHz
  • Very high maximum sound pressure levels

Hear the full frequencies of your recordings at all volumes. Order today.


A77X Powered Monitor Specifications:

  • Subwoofer
    Number: 1 / 1
    Basket ˜: 7" (175 mm) / 7" (175 mm)
    Voice coil ˜: 1.5" (38 mm) / 1.5" (38 mm)
    Cone material: Carbon / rohacell / glass / Carbon / rohacell / glass
    Number: 1
    Type: X-ART
    Diaphragm area: 4 inch² (2420 mm²)
    Equiv. Diaphragm ˜: 2" (56 mm)
    Velocity transform ratio: 4:1
    Diaphragm weight: 0.17 g
    Built-in Amplifiers
    Subwoofer: 1
    Type: PWM
    Amp. power RMS / music: 100 W / 150 W
    Subwoofer: 1
    Type: PWM
    Amp. power RMS / music: 100 W / 150 W
    Tweeter: 1
    Type: A/B
    Amp. power RMS / music: 50 W / 75 W
    Control panel
    Input Sensitivity: -ˆž to +14 dB
    High shelve > 5 kHz: ±6 dB
    Low shelve < 300 Hz: ±6 dB
    Tweeter gain: ±4 dB
    Input connectors
    Analog XLR / RCA
    Location: Rear
    General data
    Panel: Front
    Frequency response: 38 Hz - 50 kHz
    THD 90dB/1m > 100 Hz: ‰¤0.5 %
    Long term output: ‰114 dB
    Max. peak: ‰122 dB
    Crossover frequencies: 400 / 3000 Hz
    Input impedance: 30 KOhm
    Weight: 28.2 lb (12,8 kg)
    Magnetically shielded: Optional
    Height x Width x Depth: 9.5" (235 mm) x 21" (530 mm) x 11" (280 mm)
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