Features
- Switchable Bypass per channel
- Switchable Low Cut filter per channel
- Independent Gain controls
- ±12dB adjustment per band
- Balanced or unbalanced signal path
- LED VU display per channel
Front Panel
| |
|---|
| 1. | Independent GAIN controls |
| 2. | LOW CUT filter switches and indicators |
| 3. | IN/OUT bypass switches and indicators |
| 4. | LED VU indicators |
| 5. | Frequency sliders |
| 6. | Power button |
Rear Panel
| |
|---|
| 7. | IEC power inlet |
| 8. | Mains voltage selector |
| 9. | Left & Right output jack sockets |
| 10. | Left & Right output XLR connectors |
| 11. | Left & Right input XLR connectors |
| 12. | Left & Right input jack sockets |
Connection
The unit can be used in 2 configurations…
As 2 independent mono graphic equalizers – e.g. for 2 separate
microphones on channel inserts
As a stereo left & right EQ – e.g. as a main L+R EQ on master
inserts or between the mixer and amp.
Before connecting to an amplifier or other equipment, turn down all volume controls to avoid loud noises which may cause damage to other equipment. Always switch amplifier power on last in line with volume levels down. Use good quality 6.3mm jack or XLR signal leads to connect the equalizer to allied equipment. The unit can be used as 2 independent mono equalizers (e.g. for 2 microphone channels, requiring specific EQ profiles). Connect mains power via the IEC (ensuring lead is in good condition and the voltage selector is same as the supply voltage) and switch the POWER on.
Operation
Begin with all frequency sliders and the GAIN controls in the centre position (no boost or cut) at 0dB.
Switch the “IN/OUT” button to IN and the respective LED will light.
Adjust each frequency in turn to acquire the best response and reduce any problem frequencies.
Bear in mind that many loudspeakers cannot reproduce frequencies down as far as 20Hz and that the energy from the amplifier at these low frequencies is wasted as heat in the speaker coil. Therefore, the “LOW CUT” may be preferred to be on in sound reinforcement scenarios.
Also, with live PA situations, the crossover point between subs and mid-top cabs can generate phase problems which may be alleviated by reducing frequencies around this point.
Extremely high frequencies are often not feasible for live sound systems, due to the limitations of microphones and loudspeakers (and most people’s ears) and 20kHz may be reduced to save wasted amplifier energy at these high frequencies.
For whichever particular application, experimentation and practice will eventually give the best results from your equalizer.
