jesus, compared to these immaculate state jupes, mine looks like an old drunk. (but it works, and i got it for cheap.). i do wanna try n make new endcaps or re-fresh the existing ones.
ahh, i would like another jp8 too. i have intentionally left mine slightly uncalibrated in area of filter env times and filt env intesities. so when i arpeggiate it sound almost like a 2- or 3-row analog step sequencer,, (ex. http://www.babic.com/SYN/JP-8/clc_JP8_fx-tweak-arp.mp3
so, of course, now i "need" another one to play pads/chords on top of this. and have it fully calibrated. :D (JP8, together w OBX, is the only analog board i could ever imagine having two of..)
@synthfool: hello Kevin. Tom here, nice to see you arround these parts. dunno if u remember me, we had emailed bk n forth a lot about my MKS80 some 2 yrs ago, when u suggested total exchange of the capacitors. (which yielded fantastic results btw).
@digital screams: mine is a 14-bit version, yet without DCB.
fwiw this info is circling arround the net:
“The original Jupiter 8 was released in 1981. Throughout the production of the JP-8 there were a few changes made. Starting at serial #171700 the D/A converter on the Interface board was changed from 12-bit to 14-bit format. This change was made mainly to improve tuning stability. The problem with the 12-bit digital-to-analog converter on the original JP-8 is that it could cause the auto tune to be inaccurate in some instances. Some say to avoid these early JP-8's while others say they haven't experienced tuning problems. Starting at serial #242750 the LED's of the display were changed to brighter ones. Starting at serial #282880 the JP-8 came standard with a DCB port. These newer JP-8's may be referred to as JP-8A's. DCB, or Digital Control Bus, was Roland's pre-MIDI interface that allowed the JP-8 to talk to other DCB enabled hardware, such as the TR-808 Rhythm Composer and MC4 and MC8 micro composers. Previous JP-8's had the option of having the OC-8 retrofit installed to give it DCB capability.”