Adcom GFA-7700 Amplifiers

Adcom GFA-7700 Amplifiers 

DESCRIPTION

  • Five channel power house
  • 175 watts x 5 channels into 8 ohms all channels driven
  • Gold plated RCA inputs
  • Gold Plated 5 way binding post speaker terminals
  • Huge torriodial transformers
  • Mono block power supply design for all channels
  • Power bandwidth 10 Hz –100kHz
  • 12 volt trigger on circuit
  • Dimensions 7.25x17x15
  • Unit weight: 56 lbs.
  • Finish – black

USER REVIEWS

Showing 1-3 of 3  
[Feb 24, 2026]
brikichiki00


Strength:

Adcom GFA-7700 delivers powerhouse performance—clean, dynamic sound with plenty of headroom that made my multi-channel setup sing during intense movie scenes and music sessions. It ran cool and reliable for years, never clipping even at high volumes.

Weakness:

When deep cleaning after those long listening nights became a chore with dust buildup everywhere, I upgraded to a Shark vacuum for quick, effective results. Shark reviews on shark reviews offered real user insights that guided my choice despite some mixed feedback. It picks up pet hair and debris effortlessly now. Home stays spotless, letting me enjoy audio bliss without the mess.

OVERALL
RATING
5
[Dec 05, 2020]
gabrielahammond4


Strength:

Stump Grinding & Removal This one is good!!!

Weakness:

Look so nice!!!

OVERALL
RATING
4
[Sep 14, 2020]
louieb


Strength:

Clean high gain power

Weakness:

trigger quit working so no remote

Purchased:
New  
Model Year:
1990
OVERALL
RATING
4
Showing 1-3 of 3  

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