3
Overview
The Audionet ‘PAM V2’ is designed in reference to the principles of the
Audionet amplifier technology to use their advantages. In the following
you will find listed the design features of the ‘PAM V2’.
The base of the unit is the 2mm steel chassis to protect the circuitry and
electronic components from high frequency electromagnetic fields.
The deemphasis of the music signal pressed into vinyl is done by a dual-
stage RIAA deemphasis circuit using discrete built Audionet operational
amplifier modules in SMD technique (surface mounted device).
By using the same techniques of Audionet's reference line it is possible to
keep the signal paths clear of quality reducing components like capaci-
tors, switches or integrated operational amplifiers.
The ‘PAM V2’ offers user definable features for adjusting to any pick-up
(MC,MM) without opening the unit.
Furthermore ‘PAM V2` is equipped with bias current free FET inputs
that do not influence the connected pick-up. The driver stage of the
‘PAM V2’ is built in CLASS-A technique and thanks to the servo cir-
cuits has DC voltage free outputs.
The complete design makes use of highest quality components (mica
capacitors in the feedback loop, miniature relays with gold plated con-
tacts, metal layer resistors with low temperature coefficient and 1% pre-
cision etc.).
The built in protection circuit will quickly cut off the output signal in any
case of mains failure to prevent any noise getting to the loudspeakers.