型号:  RFR773N-4-RB-NL

功能描述:  77 MM SPEAKER

制造商:  RDI, Inc.

Series:  -

Package:  Box

Technology:  Magnetic

Type:  General Purpose

Frequency Range:  300Hz ~ 10kHz

Frequency - Self Resonant:  300Hz

Impedance:  4 Ohms

Efficiency - dBA:  86.00

Efficiency - Testing:  1W/500mm

Efficiency - Type:  Sound Pressure Level (SPL)

Power - Rated:  1W

Power - Max:  2W

Port Location:  Top

Shape:  Round

Material - Cone:  Polyester, Polyethylene Terephthalate (PET)

Material - Magnet:  Ferrite

Ingress Protection:  -

Ratings:  -

Termination:  Solder Eyelet(s)

Size / Dimension:  3.031"" Dia (77.00mm)

Height - Seated (Max):  0.890"" (22.60mm)