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An advanced successor to the A77X, the A Series A77H is a true three-way midfield monitor that capitalizes on the latest ADAM Audio technologies to deliver a rich, spacious, and enveloping sound. 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.
- Tweeter: Rotatable X- ART Tweeter + HPS Waveguide
- Midrange Driver: 3.5” MLM midrange driver
- Midrange Voice Coil Ø: 33 mm / 1.3”
- Woofer: 2x 7" MLM mid-woofer
- Woofer Voice Coil Ø: 38 mm / 1.5”
- AD convertor: 24-bit
- Internal sample rate: 96 kHz
- Amplifier power RMS: 250 W (Woofer) + 70 W (Midrange Driver) 20 W (Tweeter)
- Crossover frequency: 400Hz – 3.0 kHz
- Power rating: 500 W max
Rotatable HPS Waveguide & X-ART Tweeter
ADAM Audio HPS (high-frequency propagation system) waveguide technology enables tweeters to disperse sound with controlled consistency, broad in the horizontal axis but tightly focused in the vertical plane. The A Series introduces a rotatable HPS waveguide design. You can shift A Series tweeters in 90-degree steps to continue to benefit from HPS waveguide technology whether you position the speakers horizontally or vertically.
The A Series HPS Waveguide is made from a new glass fiber polymer compound that helps create a clear sound, free of unwanted resonance. The ADAM Audio X-ART tweeter is at the heart of the rotatable HPS waveguide. Handmade in Germany, the X-ART tweeter provides a precise transient response and reproduces the finest sonic details. This X-ART tweeter is used in every A Series speaker, providing a detailed, consistent sound across the product line.
Multi-Layer Mineral Woofer
A Series woofers are constructed with a unique blend of mineral stone fibers that have been baked together to create a lightweight but highly stable material. The mineral composition, layering and geometry of each cone is specific to the driver used in each model. By combining this material with a new magnet system, A Series woofers produce high output with low distortion, delivering a clean low-end.
Midrange Driver
Adapted from the groundbreaking ADAM Audio DCH™ midrange driver used by the S Series speakers, the A Series midrange driver delivers a clean sound in a critical part of the frequency range where humans are especially sensitive to coloration of sound. Using a dedicated driver for the midrange further helps clarify lows and highs by eliminating the need for woofers to reproduce midrange frequencies and thus reducing distortion.
Hybrid Amplification
The A Series combines the best of both digital and analogue worlds. The woofers are driven by Class D amplifiers that help produce linear performance while reducing distortion. These amplifiers were chosen specifically for their power and efficiency, in terms of both energy consumption and sound reproduction. Low thermal dissipation allows for a smaller heat sink, which facilitated additional investment in the exceptional power and performance of the A Series.
Tweeters and midrange drivers are powered by Class AB amplifiers which offer a smooth, natural reproduction of high frequencies. Each amplifier is optimized for its working range, resulting in a fine-tuned, properly aligned speaker. To reach this point, ADAM Audio carried out extensive measurements and listening sessions, trialing countless amplifiers and amplifier components.
DSP-Based Electronics
The A Series capitalizes on the transformative power of DSP-based electronics to provide greater tuning precision and better predictability than analogue-only speakers. With firmware that can be updated through an Ethernet connection, over time you can expect to integrate the latest DSP-based capabilities from ADAM Audio—including new filter types and features, plus alternative voicing.
| Specification | Value |
|---|---|
| SKU | ADAM-A77HSB |
| Vendor | ADAM Audio |
| Active Passive | Active |
| Battery Powered | No Battery Power |
| Included From Manufacturer |
1 x Speaker 1 x Power cable 1 x Quick start guide |
| MPN | 12106600 |
| Speaker Application | Full-Range |
| Speaker Size Filterable | 7 |
| Connectors |
1x XLR 1x RCA |
| Flyable | No |
| Pole Mount | No |
| Power | 500 W max |
| Product Weight | 37 lbs 11 oz |
| Tweeter/Horn | Rotatable X- ART Tweeter + HPS Waveguide |
| Width | 20 7/8" |
| Depth | 13 3/4" |
| Height | 9 1/4" |
| Woofer/Low Frequency | 2x 7" MLM mid-woofer |
ADAM Audio speakers are covered by ADAM Audio's limited 2 year warranty. You have the possibility to extend the warranty period of all your ADAM products by up to three years to a total of five years. You can set this up in a few seconds in the MyADAM section of the website. The decisive factor is the date of the invoice. Products that are no longer in the regular current ADAM Audio product portfolio are not covered by the warranty. Information about the current ADAM Audio product portfolio can be found at www.adam-audio.com.
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