I measured bulb from Nomad Verberola. This is exactly Vibrochorus, that unit uses this same bulb and photocells as the previous shin-ei univibe.
It may be useful...
The bulb has a DC resistance of 97ohm
Light bulb measurement from a real Univibe, Nomad Verberola.
sorry... please remove my previous post.
https://www.dropbox.com/s/vxbfbk3crewl7 ... a.jpg?dl=0
https://www.dropbox.com/s/s3wobj631oq18 ... 9.png?dl=0
https://www.dropbox.com/s/kwoak59k18prtcv/1.jpg?dl=0
https://www.dropbox.com/s/5dk97fmaxtpswb8/2.jpg?dl=0
https://www.dropbox.com/s/8g901wosdo1ah8w/3.jpg?dl=0
https://www.dropbox.com/s/vxbfbk3crewl7 ... a.jpg?dl=0
https://www.dropbox.com/s/s3wobj631oq18 ... 9.png?dl=0
https://www.dropbox.com/s/kwoak59k18prtcv/1.jpg?dl=0
https://www.dropbox.com/s/5dk97fmaxtpswb8/2.jpg?dl=0
https://www.dropbox.com/s/8g901wosdo1ah8w/3.jpg?dl=0