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Related Manuals for Sound Performance Lab GoldMike 9844
Summary of Contents for Sound Performance Lab GoldMike 9844
- Page 1 Manual Model 9844 Vacuum Tube Microphone Preamplifier...
- Page 2 Version 1.4 - 5/2000 The information in this document has been carefully verified 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...
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Page 3: Table Of Contents
Gold Mike. We wish you every success with it. Your Sound Performance Lab-Team I would like to start with my thanks to all our staff, who created what is to be described here. -
Page 4: Introduction
Introduction The GoldMike is another jewel in the SPL Tube series. Like all SPL tube processors, the GoldMike combines the unique sonic qualities of tube technology with state-of-the-art manufacturing, meti- culous component selection and high-tech conception. This latest product, a dual-channel tube microphone preamplifier with superb sonic qualities, is particularly suited for recording vocals and acoustic instruments. -
Page 5: Hookup
Carefully select a place for setting up the GoldMike. The unit should be situated away from heat sources and direct sunlight. Avoid installing your GoldMike 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 could generate large variations in power supply or cause electrical interferences. -
Page 6: Power Supply
Power Supply A stable, low ripple torroidal power supply is the foundation for any high-fidelity sound shaping. The GND-LIFT switch helps eliminate hums caused by ground loops. Phantom Power with a complex filtering scheme and highly selected components. The following graph shows the correct wiring for connecting un- balanced signals to the balanced XLR connectors. -
Page 7: Tech Talk
Advantages 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 achieve a high common-mode-rejec- tion by using laser trimmed components. - Page 8 Tech Talk The FLAIR circuitry enhances a signal's presence and cutting ability. The correlation between frequency- and amplitude-time- base to the dynamics of the input signal remains intact. Ideally suited for HD recording. Sound optimization already during recording: FLAIR circuitry The FLAIR circuitry enhances the presence of vocals and acoustic instruments, FLAIR makes these elements cut better through a mix.
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Page 9: Control Elements
2 3 4 5 6 The MIC GAIN knob controls the input signal's amplification. The range extends to 72 dB of gain.The levels should be adjusted for a meter reading around 0 VU to get the best signal-to-noise perfor- mance. Please note that the meters show only an rms/average level, so keep your GoldMike from pegging the meters' needles. -
Page 10: Reverse
REVERSE Tips on how to use the phase reverse 30 dB pad HIGHPASS Filters problematic frequen- cies (rumble, etc.) 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). -
Page 11: Flair
True to SPL's philosophy, the GoldMike features the sound enhan- cing FLAIR circuitry. More than simply a frequency-range manipu- lating tool, the FLAIR circuitry is also a timebase shifting (phase) device that enhances a sound's harmonic content. The close rela- tion between frequency- and amplitude-timebase and the source signal's dynamics remains intact. -
Page 12: Specifications
Specifications Audio Frequency Response:... 10 Hz - 100 kHz, +/- 0.5 dB Common-Mode-Rejection at -20 dBu:... 1 kHz: -80 dBu Harmonic Distortion Input level Gain -30 dB ... 30 dB ... 0.175 % -60 dB ... 60 dB ... 0.2 % Signal-To-Noise Ratio Signal-to -Noise ratio: Gain... -
Page 13: Warranty
Warranty SPL electronics GmbH (hereafter 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 authorized SPL dealer or distributor at the time of purchase.
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