You should check with the Audio Aero distributor, Globe Audio Marketing. Google says that is at: www.globeaudiomkt.com
I don't think (2003) P5 chips work in the same players that used the P4 chips (2002 players), and I remember reading here that the chips don't make any difference in sound. They are only software revisions for display options, remote control, etc.
The tubes are soldered to the board because they are so small, they are only around $9-$12 US, and they do last at least two to three years.
I don't think (2003) P5 chips work in the same players that used the P4 chips (2002 players), and I remember reading here that the chips don't make any difference in sound. They are only software revisions for display options, remote control, etc.
The tubes are soldered to the board because they are so small, they are only around $9-$12 US, and they do last at least two to three years.