• FBT USA, Inc.  P.O. Box 353516 Palm Coast, FL. 32135  U.S.A.          Phone  800 333-9383   Fax 386 437-7990  Email: fbtusa@sbcglobal.net
  • FBT Electronica SpA       Zona Industriale Squartabue         Recanati, Italy  62019   
FBT Formula 248  28 Channel Mixer
FBT Formula 248 Mixer - Completely Made In Italy

Features

General
  • 24 Balanced XLR Mono Mic/Line inputs
  • 2  Stereo Channels, each with balanced L&R 1/4"
    line inputs and a Balanced XLR input
  • Channel assignment to the 4 Sub groups, the Mono and the Main Left/Right Outputs
  • 100mm long throw custom design, ultra low-noise (dust protected) faders
  • 2 track Stereo L&R RCA ins/ outs
  • 12 step LED Ladder type metering
  • 48 v Phantom Power:Supply, switchable in sections of 4 input channels
  • 4 pin XLR Lamp socket for a 12v/ 5w gooseneck lamp
  • Auto switching  AC power circuit: allows worldwide use with electrical supply from 90v - 230v AC

  • Channels 1 -24  feature:
  • Balanced XLR Mic input
  • Balanced 1/4" TRS line input
  • Balanced  1/4" insert jack
  • Balanced 1/4" Direct Out
  • Preamp Gain potentiometer
  • -20db Pad
  • HPF (High Pass Filter) switch  - eliminates all frequencies below 100Hz
  • 4 band EQ - with dual mid band sweeps from 100Hz - 8kHz, HF & LF bands shelving type
    with 15 dB cut /boost on all  4 bands
  • 8 Aux. Sends: #1-4 pre EQ, #5&6 switchable pre or post EQ, #7&8 post EQ
  • Pan control L-R
  • Channel Peak LED
  • Channel Mute
  • Main L / R switch assignment
  • Sub Group assignment switchs 1,2,3 and 4
  • PFL (Pre Fader Listen) switch
  • 100mm long throw custom design faders


Stereo Channels A&B

  • Gain potentiometer
  • HPF (High Pass Filter) switch  - eliminates all frequencies below 100Hz
  • Rotary Volume controls for the L/R (A) and L/R (B) 1/4"TRS stereo input jacks
  • 4 band shelving EQ with 15dB of cut and boost
  • 8 Aux. Sends: #1-4 pre EQ, #5 & 6 switchable pre or post EQ, #7 &8 post EQ
  • Pan/ balance control
  • Channel Mute switch
  • Main L / R output switch
  • Sub Group assignment switchs 1,2,3 and 4
  • PFL (Pre Fader Listen) switch
  • 100mm long throw (dust protected) custom faders

Effect  Sends and Returns via AUX 7/8

  • Aux  Send # 1-4 effects potentiometers, pre EQ
  • Aux Send #5  effects potentiometer
  • Balance / Pan control
  • Effects Peak LED indicator
  • Mute switch
  • Main L / R switch
  • Sub buss 1 / 2 switch
  • PFL (Pre Fader Listen) switch
  • 100mm long throw fader


Sub Buss 1- 4
  • Pan / Balance Control Potentiometer
  • Peak LED Indicator
  • Mute Switch
  • AFL (After Fader Level)
  • 100mm long throw volume fader of Sub buss 1& 2


Matrix Mix
  • 8 in/1 out X 4 Matrix channels


Left & Right Master Outputs
  • Peak LED Indicator
  • Mute Switch
  • AFL (After Fader Level)
  • 100mm long throw volume fader of Left & Right Main outs


Mono Channel Out
  • 12 Step LED Ladder type VU Meter: Left & Right Channels
  • PFL/AFL LED Indicator
  • Power ON LED Indicator
  • Control Room Volume Control
  • Peak LED Indicator
  • Mute Switch
  • LPF (Low Pass filter) Switch: filters out all frequencies above 125Hz, ideal for controlling the volume of
    separate subwoofer(s)
  • AFL (After Fader Level)
  • 100mm long throw volume faders

Master Aux Outs
  • Master AUX 1-8: Aux #1-4 pre EQ send, Aux. #5&6 switchable Pre or Post EQ send, Aux. #7&8 Post EQ
  • AFL (After Fader Level) switch
  • Peak LED Indicators Aux 1-8
  • 2 track input volume control
  • Left / Right switch: 2 track to main mix
  • AFL - 2 track switch
  • 2 Headphone 1/4" TRS Jacks out with built in 1w per channel headphone amps with independent volume
    controls

     
SPECIFICATIONS