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Summary of Contents for Speck EQ16-16
- Page 1 MODEL EQ16 16 CHANNEL - 3 BAND PARAMETRIC EQUALIZER Model EQ16-16 Model EQ16-32 Reference Manual speck electronics...
- Page 2 If the product is modified by the customer without permission, the customer agrees to pay for parts and labor necessary to remove the modification before repair. The cause of the defect is in the sole judgment of Speck Electronics.
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Page 3: Table Of Contents
Contents Contents Chapter 1 Introduction General ..................Operator Safety Summary ............Power source ............... Grounding the product ............Use the proper power cord ..........Use the proper fuse ............. Panels and Covers ............... General Description ..............Standard Accessories ..............Model PS3 power supply ............ Rack mount adapters............ - Page 4 Connecting to a balanced output .......... Connecting to a balanced input ..........Things that cannot be connected........... Connecting to a Mixer ..............3 Popular Mixers ................ Speck Electronics Xtramix........... Samson MPL 2242 ............... Mackie CR-1604 ..............Chapter 4 Operation General ..................
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Page 5: General
Introduction General Thank you for purchasing our Model EQ16 Sixteen Channel Equalizer. This manual covers the operation of the Model EQ16-16 and Model EQ16-32. The Model EQ16 has operational features that are easy to understand and you should be up and running in no time. If you are unfamiliar with audio equipment or audio signal flow, it is recommended that you read this manual. - Page 6 Chapter 1 Introduction Section Figure 1a. Front Panel Layout Figure 1b. Rear Panel Layout...
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Page 7: General Description
AC power and disconnect the DC interface cable before proceeding. General Description The EQ16 is available in two versions: The EQ16-16; 16 mono three band equalizers, and the EQ16-32; 16 stereo three band equalizers. The EQ16 may be connected virtually anywhere in the line level audio path of professional equipment where equalization is required. -
Page 8: Rack Mount Adapters
Chapter 1 Introduction Section CAUTION! ALWAYS CHECK THE PROPER OPERATING VOLTAGE BEFORE OPERATING THE MODEL IMPORTANT! USE ONLY THE POWER SUPPLY THAT IS SPECIFIED FOR YOUR PRODUCT. Rack mount adapters The Model EQ16 is supplied with a set of rack mount adapters. If the intention is to mount the EQ16 in a standard 19"... -
Page 9: Unpacking And Inspection
To protect operating personnel, the National Electrical Manufacturers Association (NEMA) recommends that the instrument panel and rack cabinet be grounded. All Speck power supplies are equipped with a three conductor power cord which, when plugged into an appropriate receptacle, grounds the power supply. -
Page 10: Rack Grounding
Shipment contact your local Speck Dealer or Speck Electronics direct. If the product is to be shipped to Speck Electronics for service or repair, attach a tag to the product, identifying the owner and indicating the service or repair to be accomplished. Include the model number and serial number of the product. -
Page 11: Installation
EQ16-32 (16 stereo channel version). If you happen to be installing both versions of the Model EQ16 into your system, it is extremely important that the PS3-0.8 supply only be connected to the EQ16-16 and the PS3-1.5 only be connected to the EQ16-32. -
Page 12: Mounting Location
Chapter 3 Installation Section The PS3 offers a variety of mounting options. The power supply may be placed on any flat surface, permanently affixed to a flat surface, or mounted on a single rack rail with the optional rack mount adapter. One of the primary reasons that the power supply of the EQ16 is external is to insure that the power transformer enclosed within the power supply chassis maintains a safe distance from the active... -
Page 13: Ac Wiring Chart
Chapter 3 Installation Section There are 5 terminals available on the power transformer of the power supply. The configuration of the five terminals determine the operating voltage of the power supply. It is only necessary to change the black (line) and white (neutral) AC wires. Do not attempt to remove or change the Green AC safety wire or the multicolored wires used at the DC terminals. -
Page 14: Default Control Settings
Chapter 3 Installation Section Next, fit the square plug into the connector at the rear of the Model EQ16. These connectors are also keyed to fit in only one direction. Once the plug has been connected to the EQ16, it may be secured with a cable tie to the adjacent cable tie holder. -
Page 15: Cleaning
EQ16-32; 16 stereo channels. Each channel of the EQ16 Equalizer EQ16-16 has two jacks; one input and one output. Each channel of the EQ16-32 has four jacks; left and right inputs jacks and left and right outputs jacks. -
Page 16: General
Chapter 3 Installation Section Connecting the Due to the flexibility of the Model EQ16, there are many places it may Model EQ16 to a Mixer be interfaced - too many to enumerate in the manual. A basic rule to follow when interfacing the EQ16 is that inputs connect to outputs, and General outputs connect to inputs. -
Page 17: Things That Cannot Be Connected
Chapter 3 Installation Section A few of the larger recording consoles that lack a patchbay may use two jacks for the channel's insert points; one jack for insert output, and another for the insert input. Most of the smaller rack mount mixers mentioned in this manual utilize a stereo (TRS) jack for the insert points. - Page 18 EQ input. The tip of the stereo plug is the subgroup return, this connects to the output of the EQ16. A complete set of interface cables necessary to connect the Model EQ16 to the Xtramix are available from Speck Electronics.
- Page 19 Chapter 3 Installation Section Figure 6. Speck Xtramix - Application #1...
- Page 20 Chapter 3 Installation Section Figure 7. Speck Xtramix - Application #2...
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Page 21: Chapter 4 Operation
Chapter 4 Operation Section Operation General We hope to give you basic information on the operation of the Model EQ16 and adequately describe its controls, switches, and connectors. The information in this manual is intended to help with the technical process when using your Model EQ16. -
Page 22: Front Panel Controls
The Model EQ16 is available in two versions: The EQ16-16; 16 mono channels, and the EQ16-32; 16 stereo channels. Each of the 16 channels of the Model EQ16-16 has a single signal path. Each of the 16 channels of the Model EQ16-32 has two independent signal paths for each channel and utilizes dual controls that simultaneously adjust the left and right parameters of that channel. - Page 23 Chapter 4 Operation Section Figure 10. Equalizer Channel...
- Page 24 Chapter 4 Operation Section Bandwidth (Q) The bandwidth of the selected frequency is automatically adjusted with the selection of the frequency sweep control. The lowest setting on any band will result in a narrow bandwidth of approximately 11 dB/octave (Q = 3.3). As the frequency sweep control is adjusted to its highest setting (fully clockwise), the bandwidth widens to approximately 4 dB/octave (Q = .8).
- Page 25 Chapter 4 Operation Section As long as you don't dramatically change the sound of the low frequency audio, this could remove a little noise. Every little bit improves the overall quality of your sound. 3. Mid boost/cut This control provides 15dB of bell shaped boost or cut for the mid band (500Hz to 5kHz) frequency range, and is used in conjunction with the high frequency sweep adjust (see item 4).
- Page 26 Chapter 4 Operation Section Figure 11. Equalizer Rear Panel...
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Page 27: General
8. Input jack(s) This input utilizes standard 1/4" Tip, Ring, Sleeve (TRS) balanced jacks. If you have the EQ16-16, there is a single input jack. If you have the EQ16-32, there are left and right input jacks. Typically, this input is used to connect the output of a source signal. -
Page 28: Boost/Cut
Chapter 4 Operation Section Headroom and When using the EQ16 it is important to understand the relationship Boost/Cut between the maximum input level, the maximum output level, and the boost/cut controls. The maximum input level for the EQ16 is +28 dBu, and the maximum output is +28 dBu. - Page 29 Chapter 4 Operation Section If the headroom is exceeded, it will be necessary to either reduce the amount of "boost" and/or reduce the input level. Reducing the level to the equalizer channel is usually the preferable option. When the channels of the Model EQ16 are connected to a mixer's insert points, the level to the input of the EQ16 is adjusted by the controls of the mixer's input channel.
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Page 30: Chapter 5 Wiring And Other
Speck product. Start simple A quality installation is essential when wiring any Speck product. When the time comes to actually interconnect your equipment, proceed slowing. Interfacing the many pieces of electronic equipment to your Model EQ16 and mixer should be a logical, methodical process. -
Page 31: Connectors
Chapter 5 Wiring and Other Connectors All wire and cable interfaced to the EQ16 and Speck products should be terminated with high quality connectors. A 1/4" plug or XL connector should make a positive connection to its respective mating jack and provide adequate strain relief to its cable. -
Page 32: Clock Noise And Ac
Chapter 5 Wiring and Other Clock noise and AC Clock noise is one of the greatest enemies of the audio racks AC system. If a synth or any microprocessor based device emits or somehow couples its clock signal with the neutral or earth of its own power cable, it will contaminate your AC system and carry the clock noise into other equipment;... -
Page 33: Emi And Rfi
Chapter 5 Wiring and Other If a patchbay is utilized in your mixing system, the rules for shielding change. With a patchbay, normally all shields are connected at the patchbay jacks, and not connected at the mixer or external audio equipment.
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