Preamplifier PR300 Signature



Aluminium front panel of 8 mm and complete steel chassis of 1,5 mm
Fully symmetrical stages with discrete components
Toroïdal transformer, double-mono configuration
Complete adjustment (via front panel or remote control) of the volume & balance settings
Direct Inputs access

Low consumption OLED display

Complete setup of volume & balance from the remote or the front panel

double attenuator volume control : 1 per channel.



5 audio stereo Inputs (RCA) :

  • CD ;
  • TUNER ;
  • TAPE (IN+OUT) ;
  • AUX (or optionnal board);
  • DVD.

1 By-pass Input (for home-cinéma configuration)
Double pair of preamp. outputs (for bi-amplification).
Trigger 12V Output



An optional board with several Digital Inputs is available, including:
  • 1 Bluetooth receiver: Direct digital to the AKM audio converter
  • 2 Coaxial Inputs (24Bits/192kHz)
  • 2 Optical Inputs (24Bits/192kHz)
  • 1 USB-B Input: PCM & DSD
    Audio converter : AKM – AK4490
    PCM from 16 bits to 32bits up to 384 kHz on USB-B input (asynchronous).
    DSD : DSD64 & DSD128.
    USB Interface: XMOS with specific program designed for ATOLL.








                                            Available in black or silver


Technical specs:
Supply:                                  340 VA
Total of capacitors:           62 000 µF
Number of Inputs:                          5
Input Impedance:           220 kohms
Sensitivity:                           500 mV
Rate Signal/Noise:                100 dB
Distorsion at 1kHz:               0,005%
Frequency Response:  5Hz-200kHz
Rise Time:                               1,5µs
Dimensions:            440*90*280mm
Weight:                                     9 Kg


Universal remote control (on serial) for all ATOLL products (Preamp., Integrated, Tuner, CD players, DAC);