Running @ 1200rpm (12v) and recorded @ 2cm
NF-P12 - 67 db
NF-S12B FLX - 71 db
NF-P14 FLX – 69 db

After conversion the results @ 2m are as follows
NF-P12 - 27 db
NF-S12B FLX - 31 db
NF-P14 FLX – 29 db


High speed results.

Running @ 900rpm (around 9v) and recorded @ 2cm
NF-P12 - 63 db
NF-S12B FLX - 67 db
NF-P14 FLX – 64 db

After conversion the results @ 2m are as follows
NF-P12 - 23 db
NF-S12B FLX - 27 db
NF-P14 FLX – 24 db


Medium speed results.

Running @ 750rpm (between 6v and 7v) and recorded @ 2cm
NF-P12 - 59 db
NF-S12B FLX - 63 db
NF-P14 FLX – 61 db

After conversion the results @ 2m are as follows
NF-P12 - 19 db
NF-S12B FLX - 23 db
NF-P14 FLX – 21 db


Low speed results.

Using both the LNA and ULNA together... probably around 600rpm (wouldn't even like to guess the voltage) and recorded @ 2cm
NF-P12 - 55 db
NF-S12B FLX - 59 db
NF-P14 FLX – 54 db

After conversion the results @ 2m are as follows
NF-P12 - 15 db
NF-S12B FLX - 19 db
NF-P14 FLX – 14 db


Ultra low speed results.