SK-45

Primary use:

Type:

Polar patterns:

Common name: RCA SK-45

Production Status: Discontinued / Vintage

The SK-45 is a compact and lightweight omnidirectional dynamic microphone for talkback, paging and public address applications. It is ideal for commercial and industrial sound installations, indoors or outdoors. It features an integrated swivel mount allowing tilting the head forward or backward by 45º. The SK-45 is finished in low gloss grey with a satin chrome grille and includes and integrated and unterminated 25 foot two-conductor shielded cable. Impedance can be changed from low to high by soldering a connector within the microphone housing.

Electrical Characteristics

Frequency Response
75Hz - 15 kHz
Output Sensitivity
1.58/1.12 mV/Pa
Max SPL
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
200/15000Ω
Recommended Load
1kΩ
Powering
Supply Current
mA
Alternative Powering

Switchable Options

Pad
Filter/EQ

Physical Characteristics

Connector
Open ends
Connector notes
Available Colours
TV grey enamel.
Weight
567 g
Length
136.52 mm
Min diameter width
Max diameter
41.27 mm
Depth
50.8mm

Accessories

Included
Optional