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Manual Sound Performance Lab 9844

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Summary
  • Sound Performance Lab 9844 - page 1

    Model 9844 Manual V acuum T ube Microphone Preamplifier ...

  • Sound Performance Lab 9844 - page 2

    By Hermann Gier and W olf gang Aichholz V ersion 1.4 - 5/2000 The information in this document has been carefully verified and is assumed to be correct. Howev er Sound Performance Lab (SPL) reser v es the right to modify the product described in this manual at any time. Changes without notice. This document is the propert y of SPL and may not be co ...

  • Sound Performance Lab 9844 - page 3

    3 Co n t e n t s F oreword .................................................................................................. 3 Introduction ............................................................................................ 4 Hookup ..................................................................................................... 5 Ins ...

  • Sound Performance Lab 9844 - page 4

    4 The GoldMike is another jewel in the SPL T ube series. Like all SPL tube processors , the GoldMike combines the unique sonic qualities of tube technology with state-of-the-art manufac turing, meti- culous component selection and high-tech conception. This latest pr oduc t, a dual-channel tube microphone preamplifier with superb sonic qualities, i ...

  • Sound Performance Lab 9844 - page 5

    5 Carefully select a place for setting up the GoldMik e. The unit should be situated awa y from heat sources and direct sunlight. A void installing y our GoldMik e in environments exposed to vibra- tions, dust, heat, cold or moisture . Keep the unit away from trans- formers or motors or any other unit that c ould generate large variations in pow er ...

  • Sound Performance Lab 9844 - page 6

    6 The following graph shows the correct wiring for connecting un- balanced signals to the balanced XLR connectors. VERY IMPORTANT Phantom power must be switched off before unbalanced signals are connected! Otherwise short circuits cause damages! Built around a torroidal transformer , the power supply allows f or a minimal electromagnetic field with ...

  • Sound Performance Lab 9844 - page 7

    7 Adv antages of the SPL dual-stage preamplifier The GoldMike's engine is the newly designed SPL dual-stage preamplifier . During the first stage of amplification the signal is amplified by a semi-conductor circuit while the second stage applies tube electronics. We achiev e a high common-mode-r ejec- tion by using laser trimmed components. Li ...

  • Sound Performance Lab 9844 - page 8

    8 Sound optimization already during r ecording: FLAIR circuitry The FLAIR circuitry enhances the presence of vocals and acoustic instruments, FLAIR makes these elements cut better through a mix. It has proved to be superior in double-blind tests. Once a signal completes the semi-conductor amplification stage, it is then split and fed into the tube ...

  • Sound Performance Lab 9844 - page 9

    9 C ontrol elemen ts The MIC GAIN knob controls the input signal's amplific ation. The range extends to 72 dB of gain. The levels should be adjusted f or a meter reading around 0 VU to get the best signal-to-noise per for- mance. Please note that the meters show only an rms/average level, so keep your GoldM ike from pegging the meters' ne ...

  • Sound Performance Lab 9844 - page 10

    10 HIGHP ASS 5 F ilters problematic frequen- cies (rumble, etc.) Tips on how to use the phase reverse 30 dB pad By pressing the REVERSE button, you invert the microphone's polarity . When the REVERSE button is released (status LED off ) the signal is in phase. Pressing it switches the signal out-of-phase (LED on). Reasons for rev ersing the ph ...

  • Sound Performance Lab 9844 - page 11

    11 T rue to SPL's philosophy , the GoldM ike features the sound enhan- cing FLAIR circuitr y . More than simply a frequenc y-range manipu- lating tool, the FLAIR circuitr y is also a timebase shif ting (phase) device that enhances a sound's harmonic content. The close rela- tion between frequency- and amplitude-timebase and the source sig ...

  • Sound Performance Lab 9844 - page 12

    12 Audio F requency Response: ...................................... 10 Hz - 100 kHz, +/- 0.5 dB Common-Mode-Rejection at -20 dBu: ...... 1 kHz: -80 dBu ... 10 kHz: -73 dBu Harmonic Distortion Input level Gain THD -30 dB ................................... 30 dB ................... 0.175 % -60 dB ................................... 60 dB .......... ...

  • Sound Performance Lab 9844 - page 13

    13 Wa r r a n t y SPL electronics GmbH (hereaf ter called SPL) products are warranted only in the country where purchased, through the authorized SPL distributor in that country , against defects in material or workmanship. The specific period of this limited warranty shall be that which is described to the original retail purchaser by the authoriz ...

Manufacturer Sound Performance Lab Category Stereo Amplifier

Documents that we receive from a manufacturer of a Sound Performance Lab 9844 can be divided into several groups. They are, among others:
- Sound Performance Lab technical drawings
- 9844 manuals
- Sound Performance Lab product data sheets
- information booklets
- or energy labels Sound Performance Lab 9844
All of them are important, but the most important information from the point of view of use of the device are in the user manual Sound Performance Lab 9844.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Sound Performance Lab 9844, service manual, brief instructions and user manuals Sound Performance Lab 9844. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Sound Performance Lab 9844.

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A complete manual for the device Sound Performance Lab 9844, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Sound Performance Lab 9844 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Sound Performance Lab 9844.

A complete Sound Performance Lab manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Sound Performance Lab 9844 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Sound Performance Lab 9844, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Sound Performance Lab 9844, that we can find in the current document
3. Tips how to use the basic functions of the device Sound Performance Lab 9844 - which should help us in our first steps of using Sound Performance Lab 9844
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Sound Performance Lab 9844
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Sound Performance Lab 9844 in a specific country, if it was not possible to solve the problem on our own.

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