Adcom GFA-555 Stereo Power Amplifier Made in USA (1988-1993)
Experience legendary high-power vintage audio with the Adcom GFA-555, a classic stereo power amplifier featuring a circuit design by renowned audio engineer Nelson Pass. Delivering an impressive 200 watts per channel into 8 ohms and 325 watts per channel into 4 ohms, this amplifier provides excellent speaker control, powerful bass, and detailed sound reproduction. Its high-current design, heavy-duty construction, and bridgeable mono operation make it an outstanding choice for serious stereo enthusiasts. Fully tested, refurbished, and SPENCERTIFIED for reliable everyday listening.
CONDITION
SPENCERTIFIED- Fully certified by Spencer
Refurbished and SPENCERTIFIED
100% tested and functional. Standard refurbishment includes cleaning electrical switches and connections with WD-40 Specialist Electrical Contact Cleaner. Internal boards and connections are inspected, amplifier outputs tested, DC offset checked, and both stereo channels verified for proper operation.
Cosmetic Condition: 9/10.
Functional Condition: 10/10.
WHAT'S IN THE BOX?
- Adcom GFA-555 Stereo Power Amplifier
Other information about the Adcom GFA555
- High-Current Stereo Power Amplifier
- 200 Watts Per Channel into 8 Ohms
- 325 Watts Per Channel into 4 Ohms
- 600 Watts Bridged Mono into 8 Ohms
- Classic Nelson Pass Circuit Design
- Class AB Amplifier Design
- High-Current Output Capability
- 700VA High-Capacity Power Transformer
- 60,000µF Total Filter Capacitance
- 16 High-Current Output Transistors
- Direct-Coupled Amplifier Circuitry
- Wide Frequency Response
- Low-Distortion Audio Reproduction
- Excellent Damping Factor for Speaker Control
- Stereo/Bridged Mono Selector Switch
- Instantaneous Distortion Alert Indicators
- Front-Panel Power Indicator
- Heavy-Duty Aluminum Front Panel
- Large External Heat Sinks for Cooling
- Thermal Protection Circuitry
- Internal and External Fuse Protection
- Classic Black Finish
- Compatible with a Wide Range of Passive Loudspeakers
- Designed for Use with an External Preamplifier or Receiver with Preamp Outputs
DIMENSIONS
- 17" x 12.2" x 7.3" (Length x Width x Height)
- Weight: 35 lbs
INPUTS
- Stereo Input L/R x1 (back)
OUTPUTS
- Stereo Speakers [Banana Plugs] L/R x1 (back)
MANUFACTURER
- Made in USA