Adcom GFP-565 preamplifier
Best reliable choice for vintage vinyl enthusiasts seeking high-fidelity sound.
The Adcom GFP-565 is a highly practical and robust solid-state preamplifier, renowned for its exceptional build quality, often described as being built like a tank. This unit has been fully restored, passing a comprehensive 30-point service check that included cleaning all controls and the chassis. Produced between 1990 and 1995, this preamplifier delivers excellent performance specifications for its time, making it a reliable workhorse for serious audio setups.
$798.00
Owner Satisfaction
4.7
/ 5
Category Rank
133
/ 491
#133 in Phono Preamps
Price vs Category Average
-88%
Below average
Type
Solid-state preamplifier
/ Solid-state preamplifier
Who it's for
- Audiophiles prioritizing signal purity and minimal circuit interference
- Budget-conscious listeners seeking high-end performance at a lower cost
- Vinyl enthusiasts using both moving magnet and moving coil cartridges
Who should skip it
- Buyers wary of potential maintenance or component restoration costs
- Modern listeners requiring direct connectivity for digital audio sources
- Purists who demand perfectly transparent tone adjustment capabilities
Performance breakdown
Build Durability
Rugged construction ensures this unit remains a reliable long-term audio workhorse.
Signal Clarity
Impressive signal-to-noise ratios deliver a clean, transparent sound profile.
Harmonic Distortion
Extremely low distortion levels preserve the integrity of your original recordings.
Phono Versatility
Solid Moving Magnet support provides a great foundation for vinyl enthusiasts.
Frequency Range
Wide bandwidth captures the full spectrum of your favorite music recordings.
Maintenance Status
Comprehensive 30-point service ensures peak performance for modern daily use.
Key Specs
Type
Solid-state preamplifier
Circuitry Type
Solid State
Frequency Response
5Hz to 90kHz
Total Harmonic Distortion
0.0025%
Signal to Noise Ratio (Line)
100dB
Input Sensitivity (MM)
2.3mV
Input Sensitivity (Line)
205mV
Signal to Noise Ratio (MM)
95dB
Features
- Solid-state design for reliable operation
- Extremely low total harmonic distortion
- Excellent signal-to-noise ratio performance
- Recently serviced with a 30-point check
- Cleaned controls and chassis for optimal function
- Built with exceptional, tank-like durability
- Supports Moving Magnet (MM) cartridges
- High signal-to-noise ratio up to 100dB
What customers say
The Adcom GFP565 remains highly regarded for its exceptional value and outstanding phono stage performance. Customers consistently praise its transparency, delivering a clean, uncolored window into the source material. The integrated phono preamp is frequently cited as reference quality, expertly handling both MM and MC cartridges with impressive detail and low noise, a feature uncommon at this price point. While its accuracy is lauded, some users find the sound slightly analytical. Build quality is robust, offering useful features like a tone control bypass for signal purity. For vinyl enthusiasts seeking high-end performance on a budget, this classic component offers tremendous long-term value, though buyers should anticipate potential servicing due to age.
Know before you buy
The Adcom GFP-565 is designed specifically for Moving Magnet (MM) cartridges. It is not compatible with Moving Coil (MC) cartridges unless you use an external step-up transformer or a dedicated head amp.
This process ensures the unit meets its original performance standards. It includes a thorough cleaning of all internal controls to eliminate static or noise, a chassis deep-clean, and a comprehensive inspection of all electronic components to ensure long-term reliability.
The GFP-565 is highly regarded for its low total harmonic distortion of 0.0025% and a high signal-to-noise ratio of 100dB. Its solid-state design offers a clean, neutral, and precise sound profile that holds up exceptionally well against modern equipment.
Yes, its robust build quality and excellent frequency response (5Hz to 90kHz) make it a reliable centerpiece for serious audio systems. It is often favored by enthusiasts who appreciate its 'tank-like' durability and consistent performance.
The unit measures 17 inches wide, 3.25 inches high, and 12.5 inches deep. It weighs 11 pounds, reflecting the substantial, high-quality materials used in its construction.
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