Q-SPAND MKII - Audio Mixer American Audio - Free user manual and instructions
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| Product Type | Graphic Equalizer |
| Brand | American Audio |
| Model | Q-SPAND MKII |
| Dimensions (W x H x D) | 19" x 3.5" x 6.5" (483mm x 89mm x 165mm) |
| Weight | 5.5 kg (12.1 lbs) |
| Power Supply | 100-240V AC, 50/60Hz, 15W |
| Frequency Response | 20Hz - 20kHz, ±0.5dB |
| Number of Bands | 31 |
| Controls | 31 Faders, Bypass Switch, Gain Control |
| Input Connectors | Balanced XLR and 1/4" TRS |
| Output Connectors | Balanced XLR and 1/4" TRS |
| Maximum Input Level | +21 dBu |
| Maximum Output Level | +21 dBu |
| Total Harmonic Distortion | <0.01% at 1kHz |
| Signal-to-Noise Ratio | >100dB |
| Rack Mountable | Yes, standard 19" rack, 2U |
| Main Functions | Audio equalization, feedback suppression, room tuning |
| Maintenance & Cleaning | Clean with a dry, soft cloth; avoid solvents and moisture |
| Safety Precautions | Do not expose to rain or moisture; do not open chassis; disconnect power before cleaning |
| Spare Parts Available | Power cable, rack ears, fader knobs |
| Included Accessories | Power cord, rack ears, screws |
Frequently Asked Questions - Q-SPAND MKII American Audio
How do I connect the Q-SPAND MKII to my audio system?
Use balanced XLR or 1/4" TRS cables to connect your audio source to the inputs and your speakers or amplifier to the outputs. Ensure the device is powered off before making connections.
Can the Q-SPAND MKII be used for feedback suppression?
Yes, its 31-band graphic equalizer allows precise notch filtering to eliminate feedback. Identify the problematic frequency and lower the corresponding fader.
What is the frequency range of the equalizer bands?
The 31 bands cover the full audio spectrum from 20Hz to 20kHz, with ISO-standard center frequencies spaced one-third octave apart.
How do I rack mount the device?
Attach the included rack ears to the sides of the unit using the provided screws. Then mount it in a standard 19" rack, using two rack units (2U) of space.
What is the power consumption of the Q-SPAND MKII?
It consumes up to 15 watts at full operation, with a universal power supply accepting 100-240V AC, 50/60Hz.
Can I use unbalanced cables with this equalizer?
Yes, 1/4" TS unbalanced cables work, but for best noise rejection, balanced TRS or XLR cables are recommended.
How do I clean the Q-SPAND MKII?
Use a soft, dry cloth to wipe the exterior. Avoid liquid cleaners or spraying directly on the unit. Ensure it is unplugged while cleaning.
What should I do if a fader becomes loose or damaged?
Spare fader knobs are available. If the fader itself is faulty, contact a qualified technician for replacement, as it involves internal access.
Is the Q-SPAND MKII suitable for live sound?
Yes, it is designed for professional use in live sound reinforcement, recording studios, and DJ setups, offering robust build and high signal integrity.
How do I bypass the equalization?
Use the Bypass switch on the front panel. When engaged, the signal passes directly without EQ processing. This is useful for A/B comparison.
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USER MANUAL Q-SPAND MKII American Audio
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Product information
Brand : American Audio
Model : Q-SPAND MKII
Category : Audio Mixer