Marantz monoblocks with a huge specification with the legendary PS Audio 4.6 preamplifier
An amazing combination 

Power output: 125 watts into 8Ω (mono)
Frequency response: 10Hz to 100kHz
Total harmonic distortion: 0.05%
Damping factor: 200
Input sensitivity: 1V
Signal to noise ratio: 116dB
Dimensions: 84 x 132 x 450mm
Weight: 7kg each
 
Preamplifier Specifications: 
 
Frequency response: 10Hz–20kHz ±0.1dB. 
RIAA accuracy: 0.1dB or better. 
Input impedance: adjustable (100k ohms standard) (phono), 10k ohms (high-level). 
Input capacitance (phono): 150pF. 
2V (line). 
Distortion 0.01% or better.  
MM: 2mV input  S/N82dB A-weighted. 
MC: 200µV input S/N78dB A-weighted. 
High level: 100dB A-weighted (active), 
Dimensions: 480mm W by 48mm" H by  180mm D