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> PQ Mastering Equalizer
Owner‘s Manual
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PQ Mastering Equalizer, Model 2050 Owner‘s Manual Analog, dual-channel fi ve-band parametric equalizer Owner‘s Manual V 1.4, 9/2003 Software version 240H R & D: Wolfgang Neumann The information in this document has been carefully verifi ed and is assumed to be correct. However Sound Performance Lab (SPL) reserves the right to modify the product described in this manual at any time. Changes without notice. This document is the property of SPL and may not be copied or reproduce
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Content Introduction 3 Installation 4 Technology 5 Key Functions 6 Channel Control Elements 8 Technical Specifi cations 10 Warranty 11 Introduction Dear customer, Key features thanks for using the PQ Mastering Equalizer. We wish you have as much fun working • Pure analog, discrete Class A equalization circuitry with it as we had during the development of this extraordinary equalizer. • Digital storability and total recall with motorized controls and 800 presets • Constant Q and proportional Q
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Installation BEFORE SWITCHING ON POWER SUPPLY AND PQ, THE PQ MUST BE CONNECTED TO Setting the appropriate supply voltage THE POWER SUPPLY WITH THE SUPPLIED MULTICORE LEAD. PAY ATTENTION TO A The appropriate supply voltage (115 V/230 V) must be set on the rear panel of the SECURE CONNECTION. external power supply. The fuse block (left from the power cord socket) can be The PQ and the external power supply should be situated away from heat sources inserted in two positions to meet your country
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Technology SPL High Gain Technology Additional construction features SPL is constantly pushing analog signal processing to its limits by combining the best All crucial resistors in the I/O and fi lter circuits are subject to ultra-tight tolerances of possible components with perfectly optimized circuit design. As our latest achieve- 0.001% to ensure clean and accurate amplifi er stage performance. All circuit board ment in this ongoing process, SPL‘s High Gain Series surpasses the hitherto accep
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Key Functions Master/Slave (unit link) mode Constant Q and proportional Q modes Each frequency band consists essentially of two fully parametric equalizers: one for The PQ offers a Master/Slave mode for surround applications or subgroup processing, constant Q mode and one for proportional (or variable) Q mode, selectable per band. in which the settings on the master unit are precisely duplicated on the slave units. The PQ is the fi rst equalizer to offer both modes, endowing it with double equa
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Key Functions Motorized potentiometers Bandwidth All of the PQ‘s potentiometers are motorized to accommodate the channel link and Bandwidth is adjustable between 0.1 and 3.7 Q in proportional Q mode and between unit link functions. The adjustment range of the Frequency, Bandwidth and Amplitude 0.9 and 15 Q in constant Q mode. The extremely high maximum bandwidth in constant potentiometers is evenly dispersed throughout the 300-degree movement area, Q mode enables tight, selective control in p
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Channel Control Elements SLAVE FUNCTION LINK FUNCTION The link function couples the two channels for stereo applications. In link mode, one The slave function allows up to four PQs to be remote controlled by an optional channel‘s controls will control both channels simultaneously. remote unit (still in development) with an identical user interface. In order to activate the slave function, a Sub-D cable must be connected to the appropriate connector on Note: The link function is not available
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Channel Control Elements/Connectors CONNECTORS (rear panel) Overwriting a written preset 1. Select a written preset you wish to overwrite, e.g. A003 („A “ does not blink) Audio inputs and outputs are provided as balanced XLR connectors. 2. Press the Save key. The display shows „OVER“, prompting you to confi rm overwrite Connect the included external power supply to the multi-pin socket in the upper left corner, ensuring that the connection is secure. 3. Press the Save key again. The display show
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Technical Specifi cations Input impedance (balanced): 20 kOhm External power supply (Welwyn precision resistors; The PQ comes with an external linear power supply featuring a toroidal transformer for transformerless) optimal audio quality and dramatically reduced inductive disturbance/interference. Output impedance (balanced): ‹ 600 Ohm Input voltage: 110-120 V/60 Hz or 220-240 V/50 Hz (CMR trimmers, transformerless) Noise: › -100 dBu (@ +/- 60 V) Overload resistance: +34 dB (Band 1-5 = ON, B/
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Warranty SPL electronics GmbH (hereafter called SPL) products are warranted only in the All remedies and the measure of damages are limited to the above services. It is country where purchased, through the authorized SPL distributor in that country, possible that economic loss or injury to person or property may result from the failure against defects in material or workmanship. The specifi c period of this limited of the product; however, even if SPL has been advised of this possibility, this
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> PQ Mastering Equalizer, Owner‘s Manual All you need is imagination, good ears and three letters:
