Hi Dave,
Thank you for introduce me.
Yes, I own 1PU Distilate bass (Dis-B).
Alembic instruments were imported by YAMAHA in late 70's.
1PU Distilate was produced as entry model.
But the list price was over JPY 500000 (US$ 5000).
At 1981, These instruments were discounted for sale, because they abandoned the distributor.
I bought my bass at the point.
Many japanese started his Alembic life with Distilate.
The series instruments were rare and expensive for amature musicians.
Because, thees were made only 1700 before 1981.
I think, 1PU distilate is just like Fender P-bass.
If you are slapping lover, 1PU is very useful.
Now the information !
1PU Dis-B often appeared at used market.
These prices were JPY 160000 to 300000 (US$ 1400 to 2700) .
This Dis-B is JPY 198000.
The brass plate has some stain spot, but total condition is good from pictures.
I own Series 1 basses and 20th Anniv.-bass.
But 1PU Dis-B is still one of my favorite.