SL Series Mixing Consoles
SL824USB & SL1224USB Studio/Live Mixer
OPERATING MANUAL AND USER GUIDE
www.wharfedalepro.com
OPERATING MANUAL AND USER GUIDE
TABLE OF CONTENTS
Important Warnings & Safety Information ..........................................................................2
Introduction ........................................................................................................................4
About The SL Series..........................................................................................................4
Features ............................................................................................................................4
Mono Channels ................................................................................................................ 5
Stereo Channels ................................................................................................................6
FX and Aux Section ...........................................................................................................7
Front Panel Inputs and Outputs.........................................................................................7
Master Section...................................................................................................................8
Rear Panel Inputs and Outputs .........................................................................................8
USB Interface ....................................................................................................................9
Wiring Diagram ................................................................................................................10
Dimensional Drawings ..................................................................................................... 11
Block Diagram .................................................................................................................12
Specications ..................................................................................................................13
Warranty ..........................................................................................................................14
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SL824USB & SL1224USB Studio/Live Mixer
IMPORTANT WARNINGS & SAFETY INSTRUCTIONS
1. Read these instructions
2. Follow all instructions
3. Keep these instructions
4. Heed all warnings
5. Do not use this apparatus near water
6. Clean only with dry cloth.
7. Do no t block any ventil ati on openings. Install in accordanc e with the manuf acturer ’s
instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other
apparatus (including ampliers) that produce heat.
9. Do not defeat the safety purpose of the polarised or grounding plug. A polarised plug has two
blades with one wider than the other. A grounding plug has two blades and a third grounding
prong. The wide blade or the third prong is provided for your safety. If the provided plug does
not t into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at the plugs, convenience
receptacles, and at the point where they exit from the apparatus.
11. Only use attachments/accessories specied by the manufacturer.
12. Use only with a cart, stand, tripod, bracket, or table specied by the manufacturer, or sold with
the apparatus. When a cart or rack is used, use caution when moving the cart and apparatus
combination to avoid injury from tip-over.
13. Unplug the apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualied personnel. Servicing is required when the apparatus has been
damaged in any way including but not limited to power supply cord or plug damage, liquid
ingress, foreign objects in the chassis, exposure to rain/moisture or impact damage. In addition
the unit must be serviced when you experience any abnormal operation.
15. CAUTION: These servicing instructions are for use by qualified service personnel only. To
reduce the risk of electric shock, do not attempt to perform any servicing other than that
contained in the operating instructions unless you are qualied to do so. In addition opening the
casing will result in your warranty becoming null and void.
16. Do not install this apparatus in a conned space such as a book case or similar unit. Good
ventilation should be maintained around the apparatus and any vents, air-inlets or fans should
not be obstructed by objects such as paper, table-cloths, curtains etc.
17. WARNING: To reduce the risk of re or electric shock, do not expose the apparatus to rain or
moisture. The apparatus should not be exposed to dripping or splashing and objects lled with
liquids, such as vases, should not be placed on the apparatus.
18. WARNING: The mains plug/appliance coupler is used as a disconnect device, the disconnect
device shall remain readily operable.
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OPERATING MANUAL AND USER GUIDE
19. - This lightning ash with arrowhead symbol within an equilateral triangle is intended to alert the
user to the presence of non-insulated “dangerous voltage” within the product’s enclosure that
may be of sufcient magnitude to constitute a risk of electric shock.
- Warning: To reduce the risk of electric shock, do not remove the cover (or back) as there are
no user-serviceable parts inside. Refer servicing to qualied personnel.
- The exclamation point within an equilateral triangle is intended to alert the user to the
presence of important operating and maintenance instructions in the literature accompanying
the appliance.
20. (Protective earthing terminal) The apparatus should be connected to a mains socket outlet
with a protective earthing connection.
ATTENTION: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR
21. Correct Disposal of this product. This marking indicates that this product should not be
disposed with other household wastes throughout the EU. To prevent possible harm to the
environment or human health from uncontrolled waste disposal, recycle it responsibly to
promote the sustainable reuse of material resources. To return your used device, please use
local return and collection systems or contact the retailer where the product was purchased.
They can take this product for safe environmentally friendly recycling.
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SL824USB & SL1224USB Studio/Live Mixer
INTRODUCTION
Congratulations on the purchase of your SL Series mixer. SL Series mixers are the result of many
years of experience in the use, design and manufacture of professional audio products. We take
great pride in engineering and building every Wharfedale Pro product and wish to thank you for
entrusting us with your sound.
From the time Gilbert Briggs built his rst loudspeaker in 1932, to the present day, Wharfedale have
maintained the same standard of quality in components, workmanship and performance.
Please take the time to read this manual completely in order to ensure that you get the most from
your SL Series mixer.
ABOUT THE SL SERIES
Designed to cater for a wide range of mid format mixing duties, SL Series mixers include many
features suited to live sound and home studio applications.
All SL models feature a high quality class-compliant 2-input, 2-output 16-bit/48KHz USB interface
matched to a exible record bus and dedicated return channel, creating a system that is great for
live and home recording.
An ultra musical 3-band EQ is available on all channels, with an additional high pass lter on the
mono channels. A built in FX processor with 16 presets gives you unlimited creative potential and is
supplemented by a dedicated FX send and 2 auxiliaries.
FEATURES
♦ 8 mono channels on the SL824USB and 12 mono channels on the SL1224USB
♦ 2 Stereo channels (1 switchable stereo line/USB return channel)
♦ 2in/2out full duplex 16-bit 48KHz USB interface
♦ Dedicated USB recording bus
♦ Studio grade phantom powered microphone pre-amps
♦ Ultra musical 3 band EQ with high pass lters
♦ Built-in digital FX with dedicated send
♦ 2 auxiliary sends
♦ Stereo Aux return with level control
♦ Pan and balance controls
♦ PFL for all channels
♦ Control room and headphone outputs
♦ Master outputs with XLR and TRS connectors
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