My US cleaning process is:
1. ultrasonic bath, 15 minutes
2. reverse osmosis rinse
3. distilled water rinse
4. air dry
A simple frame with slow motor provides for the cleaning of 4 records at a time.
Total cost: a bit more than 2K.
Suteetat, the fact that your unit is noisy suggests that it operates at a lower frequency. Have you considered asking your manufacturer to increase the frequency to 80 KHz or more? Also, have you considered moving the record in the bath with a motor, so that no part of the record sits in a low energy dead spot for very long?
1. ultrasonic bath, 15 minutes
2. reverse osmosis rinse
3. distilled water rinse
4. air dry
A simple frame with slow motor provides for the cleaning of 4 records at a time.
Total cost: a bit more than 2K.
Suteetat, the fact that your unit is noisy suggests that it operates at a lower frequency. Have you considered asking your manufacturer to increase the frequency to 80 KHz or more? Also, have you considered moving the record in the bath with a motor, so that no part of the record sits in a low energy dead spot for very long?