Adcom GFP-750 Pre-Amp Excellent Condition (Nelson Pass Design - Blue Board)

Up for sale is Adcom GFP-750 Preamplifier - Nelson Pass design - famous Blue Board - See Stereophile review. The sound with Cardas balance connection is very clean, details - huge soundstage.

https://www.stereophile.com/solidpreamps/133/index.html

Specifications

Output Level (Rated) 1.0V
THD + N @ Rated Output (20 Hz to 20kHz)
Balanced, <0.025%
Unbalanced, <0.095%
THD + N (1 kHz)
Balanced, <0.015%
Unbalanced, <0.017%
Output Impedance:
Balanced, <1200 ohms
Unbalanced, <600 ohms
Input Impedance:
Balanced, 94k ohms
Unbalanced, 47k ohms
Frequency Response: 20 Hz to 20 kHz, +0/-.25dB
IM Distortion (@ Rated Output):
CCIF from 4kHz to 20kHz (Balanced) <0.009%
CCIF from 4kHz to 20kHz (Unbalanced) <0.035%

SMPTE (Balanced) <0.05%
SMPTE (Unbalanced) <0.05%
Signal to Noise Ratio (Ref. To 1V)
"A" Weighted (Balanced) >102 dB
"A" Weighted (Unbalanced) >102 dB
Input Sensitivity (@ Rated Output)
Balanced 183mV
Unbalanced 365mV
Power Consumption: 30 VA
Chassis Dimensions: 3.5" × 17" × 11" (H × W × D)
Weight: 15 lbs.