Wide Bandwidth Stereo Preamplifier

GFP-915 Front ViewGFP-915 Rear ViewGFP-915 Top ViewGFP-915 3/4 View

The ADCOM GFP-915 is a stereo preamp that gets back to the basics with internal 192KHz/24bit DAC for Optical, USB and Bluetooth inputs. This affordable stereo preamp is designed to switch inputs and control volume for your modern sources ranging from streaming to silver discs to vinyl and everything in-between. The ADCOM GFP-915 is a clean sounding preamp meaning that it is designed to not impart its own sound to your audiophile system. If hearing what is on the master tape is your goal – this might just be your preamp.


Frequency Resp.
(±0.5 dB Line volume at max)
5 Hz – 100 kHz High Level
50 Hz – 50 KHzTHD + Noise(@rated output 20 Hz – 20 kHz)0.005% High Level0.15% MM.0.03% MC.
Signal to Noise
(@rated output – A weighted)
≥100 dB High Level
≥95 dB MM.
≥95 dB MC.
15.7 lbs. (7.0 kg)
Shipping Weight: 20 lbs. (9.05 kg)
Input Sensitivity
500 mV High Level
3.5 mV MM.
25mV MC.
Input Impedance
11 Ω High Level
11 Ω MM.
11 Ω MC.
RIAA accuracy
± 0.25dB (20Hz – 20kHz) phono
Output Impedance
100 Ω Bypass Outputs
100 Ω Main Outputs
475 Ω Tape Outputs
Output Level
2.0 Vrms Bypass Outputs
2.0 Vrms Main Outputs
1.0 Vrms Rec Outputs
Output Level (Maximum)
10.0 Vrms Bypass Outputs
10.0 Vrms Main Outputs
USB Input (Maximum support)
Optical Input (Maximum Support)
Bluetooth Version
Qualcomm 5.0
Tone Controls
± 11.5 dB Bass (20Hz)
± 8.5 dB Treble (20kHz)
110 VAC – 240 VAC, 50/6O Hz
Max Dimensions
4.13” x 16.9” x 14.3”
105 mm. x 430 mm. x 335 mm.