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Related Manuals for Speck EQF 810
Summary of Contents for Speck EQF 810
- Page 1 EQF 810 Audio Equalizer Reference Manual speck electronics...
- Page 3 Warranty Speck Electronics products are warranted to the original owner to be free of defects in material or workmanship. This warranty does not apply to any product subject to accident, misuse, neglect, or failure to comply with normal maintenance procedures, or if the serial number has been defaced, altered, or removed;...
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Page 4: Table Of Contents
Contents Chapter 1 Introduction General ..............Standard accessories ............ Operator safety summary ........... Power source ............. Removing the cover ............ Specifications ..............Chapter 2 Installation General ..............Unpacking and inspection ..........Environmental considerations ........Grounding the product ............Mechanical installation ..........Physical placement of adjacent equipment ...... -
Page 5: Chapter 1 Introduction
The EQF 810 is available in 2 versions; • The Model EQF 810-NA designed to operate with 100 and 120 VAC mains power. • The Model EQF 810-EU that is designed to operate with 220, 230 or 240 VAC mains power. -
Page 6: Standard Accessories
• Power cord (North American version only) • (4) rubber bumpers - used for table top mounting or stacking multiple units. • (3) 6-32 x ½” machine screws - supplied to mount the EQF 810 to an optional rack shelf. Operator Safety... -
Page 7: Specifications
Chapter 1 Introduction Section Specifications Normal Maximum Input Level +4 dBu +28dbu Normal Maximum Output Level: (Active Balanced) +4 dBu +28dbu (Transformer Balanced) +4 dBu +24dBu Input Impedance 30K Ohms Output Impedance (Active Balanced) 60 Ohms (Transformer Balanced) 600 Ohms Output Distortion(THD+n) 22Hz to 22KHz @ +4dBu (Active Balanced) - Page 8 Chapter 1 Introduction Section ~ This page left intentionally blank ~...
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Page 9: Chapter 2 Installation
General The following information should give you the basics on how to install the EQF 810. The proper installation of the EQF 810 as part of a larger system requires a clear understanding of audio wiring, AC distribution, grounding, and shielding techniques. -
Page 10: Grounding The Product
The ½ rack form factor of the EQF 810 allows a single unit to be mounted on a table top with the (4) rubber bumpers (supplied), multiple units stacked, or two units mounted side-by-side on a 1U rack shelf. -
Page 11: Cleaning
EQF 810 for shipment. If you have any questions, contact Speck Electronics at +760-723-4281. If the product is to be shipped to Speck Electronics for service or repair, contact Speck Electronics for a Return Merchandise Form. When we receive the completed form, a RMA number and shipping instructions will be issued. - Page 12 Chapter 2 Installation Section ~ This page left intentionally blank ~...
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Page 13: Chapter 3 Operation
Operation Section Operation General We hope to give you basic information on the operation of the EQF 810 and adequately describe its controls, switches, and connectors. The information in this manual is intended to help with the technical process when using your equalizer. Words alone could not adequately describe how to adjust the controls of an equalizer. -
Page 14: Default Control Setting
Operation Section Default Control Settings Before any attempt is made to operate the EQF 810, it would be a good idea to set all the controls to their neutral positions. This gives you a reference point to work from when adjusting controls and switches. -
Page 15: Front Panel Controls
1/4” TRS outputs. A dual colored LED will illuminate indicating that the EQF 810 is powered and active. When the output switch is set to the “XFMR” position, the LED will indicate green. This LED will change from green to red when the switch is depressed to the “ACTIVE”... -
Page 16: L - Low Band Controls
Chapter 3 Operation Section 7. Equalizer bypass switch This switch is used to enable or disable the 4 band equalization circuit. In the “out” position, all equalizer bands are bypassed. When in the bypass position, the active balanced input stage, the active balanced output stage, and the transformer remains operational. -
Page 17: L/M - Low/Mid Band Controls
Chapter 3 Operation Section L/M (Low/Mid) BAND 11. Low/Mid frequency sweep The low/mid frequency sweep control is used in conjunction with its respective boost/cut control and provides continuous adjustment of the center frequency from 40Hz (fully counterclockwise) to 800Hz (fully clockwise) for the low range selection or 400Hz (fully counterclockwise) to 8kHz (fully clockwise) for the mid range selection. -
Page 18: M - Mid Band Controls
Chapter 3 Operation Section M (Mid) BAND The mid frequency sweep control is used 15. Mid frequency sweep in conjunction with the mid boost/cut control and provides continuous adjustment of the center frequency from 400Hz (fully counterclockwise) to 10KHz (fully clockwise). 16. - Page 19 Chapter 3 Operation Section 19. High boost/cut This control provides 15dB of bell shaped boost or cut for the high frequency range (1.5kHz to 25kHz), and is used in conjunction with the high frequency sweep adjust. 0dB (flat) is obtained when this control is set to its center detented position.
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Page 20: Rear Panel
TS plug. For unbalanced operation a standard mono plug should be used. 22. Output Connectors The output of the EQF 810 has a balanced 1/4” jack and male XLR connector. These outputs are internally wired in parallel and there is no operational difference between one or the other. -
Page 21: 23. A.c. Power Inlet
Before connecting the power cord, make certain that the power cord matches the operating voltage shown on the rear panel. The EQF 810 power supply operates at mains voltages of 100-120 for the Model EQF 810-NA or 220-240 for Model EQF 810-EU. The mains voltage is set at the factory and marked accordingly on the rear panel. -
Page 22: Main Voltage Selector Switch
If it becomes necessary to change the mains voltage, there is a voltage Selector Switch selector switch inside the EQF 810. The cover must be removed to gain access to the selector switch. Always remove the power cord from the power inlet (#23) before changing the 115/230 voltage selector. -
Page 23: Chapter 4 Wiring And Other
Due to the high performance of the EQF 810, it is recommended that Audio Cable you use only the highest quality audio cable. A high quality cable by definition, is a cable that provides good mechanical strength, high... -
Page 24: Ac Distribution And Safety
Chapter 4 Wiring and Other AC Distribution and Safety When you are evaluating voltage and current requirements for your Proper AC grounding audio system, it is important that your equalizer and/or audio system does not exceed the capacity of your AC service. You should make certain that the earth (green) wire for the AC system makes a reliable earth connection, and determine as best as possible that the AC system is free of noise that could generate unwanted audible sounds or cause... -
Page 25: Audio Earth
The occurrence of EMI (Electro Magnetic Interference) and RFI (Radio Frequency Interference) in a contemporary studio system should be of great concern and not overlooked when installing the EQF 810. EMI is defined as any unwanted signal which adversely affects the operation of your audio system. -
Page 26: Sources Of Emi
Chapter 4 Wiring and Other Almost every electronic device generates some amount of EMI emissions. These emissions can be transmitted as electromagnetic radiation or simply conducted though audio cables and power cords. In the same respect, most electronic devices are also very susceptible to the EMI emissions generated by other electronic devices.
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