J'ai une bonne question pour des électroniciens conçernant un ampli stéréo XA-6800... Pouriez-vous m'éclairer sur ce qu'impliquent les modifications suivantes (entre le modèle 6800 et le 6800 MKII)?
XA6800MKII is an update version basing on XA6800, and its characters are as
follow,
1. There is added winding on the secondary stage of the annular transformer,
though commutation circuit and filter circuit to produce two groups +/- 50V
DC power supply to increase the voltage for preamplifier.
2. Change the 4 filter capacitors on main power supply from 10000uF to
18000uF.
3. Because above modifications, the THD for this amplifier can always be
assured be less or same with 0.04%, when the output power is from minimum to
maximum (2×80W). In this case, even if the volume is maximum, the unit can
also keep its high fidelity and good control in bass.
Pour le point 3, je comprend... Pour les 2 premiers je ne sais pas ce que ça apporte...
Rien peut être...