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Adcom GFA 7807

Adcom GFA 7807
alaAverage 3.3

4 reviews

Feb, 2016

alaTest has collected and analyzed 4 reviews of Adcom GFA 7807. The average rating for this product is 3.3/5, compared to an average rating of 4.1/5 for other Receivers & Amplifiers for all reviews.

On average, users rate this product 65/100.

Review analysis

(Based on 4 reviews)

User Reviews  


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Showing 1 - 4 of 4 Show Reviews: in English

Consumer review by: (

Adcom GFA-7807


Only 6.6 amps on startup with an emotiva xpa2

Mar, 2011

Consumer review by: (

Adcom GFA-7807


Buy this amplifier only if you want aggravation. You will need a dedicated 20 Amp supply. That most likely means you will need electrical modifications in your home. They do not make this clear when you are purchasing. The amp is also extremely heavy...

Jun, 2009

Consumer review by: tbasinski (

Great power, lousy back up


The 7807 has amazing power. Any copy of the Lord of the Rings DVDs will prove that in a second. The downside is that the Adcom has some technical issues. It likes to pop the dedicated 20 AMP breaker on every 9th or 10th startup. It probably needs a 30...

Awesome power

Quirky, expensive, poorly designed user features, electronic issues

Jul, 2005

Consumer review by: (

Adcom GFA-7807



Jun, 2003

Product Specifications

Now, audio playback can be better than ever before! DVD-Audio and SACD high-resolution formats provide an unprecedented level of precision to audio playback. These new formats have up to five times the frequency bandwidth of conventional CDs. The dynamic range is an incredible 144dB, which is 48dB more than conventional CD. And both formats support multi-channel playback so you can enjoy the amazing immersion that a multi-channel audio system can provide. In the old low-resolution days, amplifier design was easier. Creating an amp was a straightforward design process using tried and true techniques that had not changed much in many years. But if you are going to design a power amplifier that can produce very high output levels and also amplify signals over a very wide frequency range, you have to move fast. The heart of F.A.T. technology is Power-Rig circuit topology which provides incredible transient response. When combined with huge monoblock power supplies, the massive power reserves provided by the banks of power supply capacitance give you Fast Analog Transform (F.A.T.) technology. What you get is wide dynamic range and broad frequency response. The Result? Cutting-edge power amplifiers designed to maximize the performance of the newest high-resolution audio formats. Listen for yourself and experience what a F.A.T. amp can do for your audio or home theater system. And remember: power never becomes obsolete.