22/05/2013
RPX 308 Quad Mono headphone amplifier
The power supply is completely new, based on an high current switching unit that separate totally the amplifier from the noises of the power line, it is the followed by 2 RC filter in order to make the current as clean as possible and with a reserve of back up power more then enough to support the most terrible transients. The result is a great control of transducers ( any type no matter of impedance) and great dynamics jointed with transparent sound. The absence of any negative feed-back circuitry eliminate from sound all those artefacts in the highs that are common to many solid state amplifiers. The sound is round, deep, dynamic and absolutely natural either in balanced or unbalanced mode.
Like the top of our production "the RP030" it use only discrete components
It is well known that an headphone amplifier is always a great preamp for power units driving speakers ,as well as for amplified boxes so a top unit like the RPX-308 MKII become an unbeatable preamplifier. This is not a standard option but can be implemented on customer request
Due to the high output current, and the great damping factor it can drive in the same way headphone of any impedance, more then one headphone can be connected at the same time
RPX 308 operative modes
Balanced Input to Single Ended Output
Balanced input to Balanced output ( full Balanced mode)
Unbalanced Input to Balanced Output ( trough an internal phase splitter)
Unbalanced Input to unbalanced output. ( traditional SE dualmono amplifier)
Headphone Outputs
Balanced left and right
2 x 6.4mm jack ( unbalanced out)
All the output can be used at same time
Preamplifier output ( optional +250 US$ )
Balanced Out XLR
Unbalanced Out R-L RCA