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F121

F121

Features:

  • Advanced Andrews' loading
  • High output from moderately sized enclosure
  • Funktion One designed driver with Neodymium magnet
  • New driver orientation provides improved cooling
  • Integral handles
  • Optional throat grill, wheels and pole mount
  • Choice of 4Ω or 8Ω driver

 

Driver

Operating

 Band

Sensitivity

(1W at 1m)

 Power 

(rms)*

Nominal

Impedance

21"

20 - 200Hz

105dB

750W

4Ω  or  8

*AES rated

Frequency Response ± 3dB:

40Hz - 250Hz

Weight:

72kg (159lbs)

Construction:

18mm Birch Ply

Connectors:

2 x linked Speakon NL4


Overview:

The F121 provides outstanding bass performance from a moderately sized enclosure making it the bass of choice for many diverse applications.  Similar in output power to an F218, this single 21” version of the F221 can be used with virtually all Funktion One mid-high loudspeakers to great effect.  The advanced   loading and driver design of this high-efficiency product provides audiences and crowds around the world with stimulating and satisfying experiences.  The F121 comprises a horn-loaded and very robust Funktion One designed 21” driver with 6” voicecoil and Neodymium magnet.  Available in 4 Ohm or 8 Ohm versions with optional wheels, throat grill and pole mount.

Technical Drawings:

F121 Technical Drawing
All dimensions in mm and inches © Copyright Funktion One Research Ltd 2006 - 2017

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