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Important: Carefully read the entire instructions manual before hookup or operation of the EQF-100.
WARNING!: HIGH VOLTAGE! THIS UNIT CONTAINS NO USER SERVICEABLE PARTS.
SERVICING SHOULD ONLY BE DONE BY QUALIFIED SERVICE PERSONNEL OR FACTORY.
DO NOT OPERATE THE EQF-100 WITH THE COVERS REMOVED.
OPERATING MANUAL
EQF-100
FULL RANGE PASSIVE VACUUM TUBE EQUALIZER
Summit Audio Inc.
1183 Baltic Suite A
Gardnerville, NV 89410
775-782-8838 phone
sound@summitaudio.com
www.summitaudio.com
Copyright ©1990, 2002 Summit Audio Inc. ALL RIGHTS RESERVED. Printed in the U.S.A.
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Table of Contents
Related Manuals for Summit Audio EQF-100
Summary of Contents for Summit Audio EQF-100
- Page 1 Important: Carefully read the entire instructions manual before hookup or operation of the EQF-100. WARNING!: HIGH VOLTAGE! THIS UNIT CONTAINS NO USER SERVICEABLE PARTS. SERVICING SHOULD ONLY BE DONE BY QUALIFIED SERVICE PERSONNEL OR FACTORY. DO NOT OPERATE THE EQF-100 WITH THE COVERS REMOVED.
- Page 2 The EQF-100 is a passive equalizer followed by a vacuum tube amplifier to overcome any gain loss. Connections are made by using three pin XLR connectors.
- Page 3 The Controls: 1. Frequency Select Selects one of seven frequencies on which the band boost/attenuate and bandwidth controls operate. 2. Gain Determines the amount of boost or cut that takes place. 3. Bandwidth Determines how much of the frequency spectrum is affected by the boost or cut operation.
- Page 5 XLR input, and the XLR output back into the insert return of the desired channel. If outboard preamps are being used, try sending the output of the preamp into the EQF-100. This EQ is also perfect before or after a compressor, and for side chain effects such as de-essing.
- Page 6 A Word About Tubes The tubes that are used in the EQF-100 are selected to give the best possible performance in the position that they are in on the printed circuit board. Switching them to different positions will cause performance deterioration on the audio path. Replacing them with “gold”...
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Page 7: Specifications
Note: When running an unbalanced output it is best to connect pin 3 to pin 1 in the connector that plugs into the EQF-100. Allow the EQF-100 to warm up for at least 15 minutes before using it in your processing chain. The tubes and other circuitry need time to reach an electronic equilibrium before they will operate at optimal specifications. - Page 8 Completely flat frequency measurements are key to giving accurate specifications. Summit Audio devices are the highest quality professional audio gear and the specifications below are made with the flattest possible unweighted measurements, giving the most accurate results.
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