Features
  • 4″ 20W and 6″ 40W 100V versions

  • Black and white colour option

  • With rotary power taps

  • Excellent sound reproduction

Technical Specifications
Documents

 ( FS420 / 640 )

Catalogue

Catalog
C

Speaker :

   Power rating

   Diameter

   Components

   Impedance

Freq response

SPL

Transformer taps ( 100V )

   FS420 (Watts)

  FS640 (Watts)

Physical :

   Grille / Enclosure

   Overall size (mm)

Weight

Colour

20 / 40W  100V

4″  / 6″

Single cone PP with tweeter

8 Ohm

FS420 : 100 – 18 KHz

FS640 : 70 – 18 KHz

89 / 88 dB

1.25 / 2.5 / 5 / 10 / 20W

8K / 4K / 2K / 1K / 500 Ohm

8 Ohm direct

2.5 / 5 / 10 / 20 / 40W

4K / 2K / 1K / 500 / 250 Ohm

8 Ohm direct

Metal / ABS

FS420 – 170 x 215 x 150

FS640 – 215 x 284 x 190

1.95 / 3.7 kg

White / Black

For more information, contact us at sales@crobustinc.com