Adam Audio A77H 3-way 2x7" Woofer

Adam Audio A77H 3-way 2x7" Woofer



Incorporating two 7-inch woofers, a midrange driver, and ADAM Audio’s X-ART tweeter, the A77H delivers an ultra-wide frequency range.

The addition of the midrange driver helps produce clear sound in the most sensitive range of human hearing. Rotatable HPS waveguide technology and onboard DSP allow you to tune the sound for your precise requirements.

-German Handmade Precision X-ART Tweeter with rotatable HPS waveguide

-3.5" DCH Midrange Driver

-2 x 7'' Woofer (Multi-Layer Mineral)

-Cumulated Amp. Power Peak: 340 W

Explore the technology

ADAM Audio monitors have earned a worldwide reputation for the innovations that we have established in the field of loudspeaker technology. Here you can explore the technology of the A77H.

A Control Remote Software

The DSP-based functionality of all A Series monitors can be controlled remotely and in real time over ethernet using A Control.

Rotatable HPS Waveguide & X-ART Tweeter

Made from a new glass fiber polymer compound, the HPS waveguide enables the X-ART tweeter to disperse sound in space with controlled consistency.

Bass Reflex System, Cabinets and Mounting

The new A Series cabinets build on the heritage of ADAM Audio and the AX Series in particular.

General Data

  • Display: Front panel multi-color LED

  • Cabinet Design: Dual front ported

  • Cabinet Material: Vinyl wrapped MDF and painted MDF front panel

  • Mounting options: Threaded inserts on the bottom of the cabinet (4 x M8)

  • AC Input Voltage: 100 – 240 V, 50/60 Hz

  • Power Rating: 500 W max.

  • Operating Conditions: -10° C to +40° C (+14° F to +104° F); <75 % RH, non-condensing

  • Weight: 17.1 kg (37 lb 11 oz)

  • Dimensions (Height x Width x Depth): 236 mm x 531 mm x 350 mm (9 1/4″ x 20 7/8″ x 13 3/4″)

  • Warranty: 5 years (2 years warranty plus 3 years optional with product registration)

  • Delivery Contents: A77H loudspeaker, power cable, Quick Start Guide

Audio Input Connectors

  • Analog: XLR, RCA

  • Input Impedance: 9 kOhm / 3.3 kOhm

  • Max. Input Level: +19 dBu


  • Woofer

    • Amplifier Type: PWM

    • Peak (10% THD, limiter deactivated): 250 W

    • RMS (1% THD, limiter deactivated): 200 W

  • Midrange

    • Amplifier Type: Class A/B

    • Peak (10% THD, limiter deactivated): 70 W

    • RMS (1% THD, limiter deactivated): 55 W

  •  Tweeter

    • Amplifier Type: Class A/B

    • Peak (10% THD, limiter deactivated): 20 W

    • RMS (1% THD, limiter deactivated): 15 W

Signal Processing

  • AD converter: 24-bit

  • Internal sample rate: 96 kHz

  • Delay range, resolution: 0 – 10 ms, 0.1 ms

  • Protection: Independent peak and thermo limiters for each driver, and amplifier thermo limiters