Formula Sound FF2.2 Mixer Warranty The FF2.2 has a 1 year parts and labour warranty under reasonable use with the exception of moving parts. Reasonable use means operating and storage in a benign environment (0-35 degrees C and below 60% humidity, dust levels of typical home or bar /club and no contact with liquids), operating without using undue force on controls, connecting to an appropriate mains supply and connecting appropriate inputs in the power off condition. Removing screws and/or opening the FF2.
Power Supply The FF2.2 has an external power supply, this consists of a the power supply block and a mains cable with local style mains connector at one end and IEC style at the end that plugs into the body of the remote power supply block. The FF2.
Channel 3 and microphone Inputs The channel 3 (CH3) input is on balanced twin 3 pole ¼” jacks, this input goes only to the master via its volume control, the CH 3 input is given 6dB of gain. When CH3 volume control is in middle position attenuates by 6dB so with CH3 volume control in middle position the level sent to the master is the same as the level at the input, if a higher signal is required the CH3 volume control only needs to be adjusted above mid.
The headphone volume control sets the level at the headphone output, start with the volume set to low and establish a signal in the headphones before increasing the headphone volume. Take note of channel metering when switching CUE from one channel to another as levels may be very different on different channels and this will be reflected in the sound level at the headphone output.
Each channel has a line and a phono input on separate RCA connects with a switch to select the required input. The line input has a gain trim accessible through the back panel. The phono inputs have a capacitance selector accessible through the base of the unit that allows one of 4 capacitances values to be selected to best match the deck cartridge capacitance.
EQ All channels have a “full kill” 4 band EQ; the EQ band frequencies are Bass up to 120Hz, Low Mid 120Hz to 800Hz, High Mid 800Hz to 4.0KHz and Treble above 4.0Khz. Variable frequency high and low pass filters Each channel has variable frequency high pass and low pass filters that are selected by a switch. The low pass filter is variable from 20KHz to 2KHz and the high pass filter is variable from 20Hz to 2KHz. The filters should be selected before the audio is routed to the output (fader down).
Power Supply The Mixer has a fully regulated power supply that is designed to operate on 220-240Vac or 110-120Vac. Selection is by an internal switch that is accessed by removing the DAMAGE MAY RESULT IF THE UNIT IS CONNECTED TO THE WRONG SUPPLY VOLTAGE. Fuses Mains fuse sizes are 800mA anti-surge for 220-240Vac and 1.5A anti-surge for 110-120Vac Operation, these are located in the IEC switch connector assembly in the remote power supply block. The +VE and –VE rail fuses are 1A anti-surge.
Operational Information Starting Unpowered, turn over the FF2.2, a silk screen legend indicates the position of various additional controls that are to be preset before use.
On the FF2.2 set the faders down, all switches to off and volume controls (pots) to minimum. EQ pots should be set to MID, high and low pass filter pots should be set to the white dots by the knobs. Set X Fade curve, FX wet/dry and Cue/Master mix pots to mid position. The phono noise cancelling feature is enabled or disabled by a switch through the front panel located between the bass and low mid EQ pots.
Deactivate the line input and put the channel faders down, turn the microphone up and talk into the microphone, set the microphone volume control to middle position. If the microphone level is unsatisfactory in this position turn the FF2.2 on its side and using a very small flat bladed screwdriver locate the microphone gain control on the base of the unit indicated by the legend.
INSTALLATION, CONNECTIONS AND GOOD WIRING PRACTICE The installation of professional audio systems should be left to experienced engineers wherever possible. The interconnection of audio systems can be fairly complex depending on the type and size of system and obviously well outside the scope of this handbook. We have included a few basic points for information for anyone who is new to audio systems. Good wiring practice should be observed when connecting any audio equipment.
Formula Sound reserve the right to alter specifications at any time without notice. All Formula Sound products are designed and manufactured in our own factory which enables us to maintain strict quality at every stage of manufacture. This attention to detail has helped to win us 14 industry awards to date and has earned us a world wide reputation for the high quality and reliability of our products. Formula Sound Ltd. Unit 23; Stadium Business Centre, North End Road, Wembley, Middlesex England.
FF2.2 Specification Frequency response E.Q. set flat 20Hz – 20Khz +/-0.5dB Maximum output level Master and Booth monitors output active balanced. +22dBu Distortion any channel input +10dBu < 0.01% typically <0.005% Noise measured 20Hz-20kHz Stereo inputs e.q. flat gain set to max RIAA stage ref.
FORMULA SOUND LIMITED UNIT 23; STADIUM BUSINESS CENTRE; NORTH END ROAD; WEMBLEY; MIDDLESEX; HA9 0AT TELEPHONE +44 (0)208-900-0947 www.formula-sound.co.uk FAX +44 (0)208-903-8657 email info@formula-sound.co.uk E.U. CERTIFICATE OF CONFORMITY We declare that the products listed conform to the following directives and standards 89/336/EEC amended by 92/31/EEC and 93/68/EEC BS EN 50082-1 BS EN 50081-1 PRODUCT TYPE FF 2.2 The CE mark was first applied in 1995 Signed B. J.
