The ADCOM GFP-915SE preamp, manufactured in the United States,  It features analog audio inputs and outputs via stereo L/R RCA, making it ideal for connecting to vinyl record players or Bluetooth devices for enhanced audio quality.  This ADCOM preamp delivers high-quality sound for home audio systems. Its sleek design and reliable brand reputation make it a great addition to any audio setup.
Will be very well packaged this preamp was tested with a power amp and speakers and works great.           

ADCOM - GFP-915SE - High-Performance Preamplifier

The ADCOM GFP-915SE is a high-end stereo preamplifier designed for two-channel systems that need clean source switching, flexible output options, and practical modern connectivity. It combines traditional analog control with digital input support, making it a useful control center for vinyl playback, disc players, streamers, DACs, and wireless audio sources.

The GFP-915SE includes seven analog inputs, an MM/MC phono stage, USB input, optical input, and Qualcomm Bluetooth 5.4 for wireless playback. Its output section includes Main 1 and Main 2 unbalanced outputs, balanced XLR output, and record output, allowing direct connection to amplifiers, recording devices, subwoofers, or multi-amp systems. Bass, treble, and balance controls provide straightforward system tuning without adding unnecessary complexity.

Built for audiophile-grade signal management, the GFP-915SE offers a wide 5Hz-100kHz high-level frequency response, low THD + noise performance, RS232 control, and 12V trigger support for system automation. Its brushed aluminum chassis and intuitive front-panel layout keep operation simple, while the mix of analog, digital, phono, and balanced output options makes it a versatile preamplifier for modern and legacy HiFi systems.      

Flexible Connectivity for Modern Audio Systems

The GFP-915SE builds on the legacy of the original GFP-915, now reimagined for today’s dynamic audio environments. Designed to support triple amplifier connections via Unbalanced Main 1, Main 2, and Balanced XLR outputs, it offers the freedom to configure complex setups—whether you’re powering multiple zones, integrating a subwoofer, or bi-amping your system.

Frequency Resp.
(±0.5 dB Line volume at max)
5 Hz – 100 kHz High Level
50 Hz – 50 KHz

THD + Noise (@rated output 20 Hz – 20 kHz) 0.005% High Level 0.15% MM. 0.03% MC.

Signal to Noise
(@rated output – A weighted)
≥100 dB High Level
≥95 dB MM.
≥95 dB MC.

Weight
15.7 lbs. (7.1 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)
192K/24bit

Optical Input (Maximum Support)
192K/24bit

Bluetooth Version
Qualcomm 5.4

Tone Controls
± 11.5 dB Bass (20Hz)
± 8.5 dB Treble (20kHz)

Power
120 VAC – 230 VAC, 50/6O Hz

Max Dimensions
4.13” x 16.9” x 14.3”
105 mm. x 430 mm. x 335 mm.