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User Manual for SPL Channel One Channel Strip Click to enlarge the picture
Contents of the user manual for the SPL Channel One Channel Strip
- Product category: Channel Strips SPL
- Brand: SPL
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for SPL Channel Strips
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User manual for the SPL Channel One Channel Strip contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any SPL product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official SPL user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a SPL product will considerably shorten its lifespan!
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Product description The Model 2950 Channel One from SPL is a single channel strip which includes a number of powerful onboard tools for corrective and creative sound design when recording voices, instruments, and other or analog or digital sources (with optional A/D module). The unit e is built in the tradition of earlier SPL channel strips: the Frontliner, the original Channel One, and the Track One with an updated faceplate design. The device accepts three separate inputs: a balanced XLR-3F microphone input with selectable +48V phantom power, 180&Deg; phase reverse, and 50 Hz subsonic filtering; a 1/4" TRS low impedance line input with a precise balancing stage for connecting to studio grade equipment; and a low-noise high-impedance instrument input that can be easily accessed from the front panel.
The preamplifier stage of the processor features a transistor/12AX7-LPS tube design with a range from +8 dB to +68 dB of mic gain. The line signal gain range reaches from -12 dB to +22 dB, and instrument signals can be amplified between +48 dB and +39 dB.
The first processing module in the signal chain is a De-Esser which allows you to use a single knob for subtle and effective reduction of sibilants in the outgoing signal. The processor uses phase cancellation with the original signal which employ filters that only reduce s-frequencies without interfering with the remainder of the audio spectrum. An integrated auto threshold function allows the processing to occur independently of the input level, even at varying distances from the microphone.
A switchable insert send and return loop button allows for the use of external equipment for effects such as delay or reverb. The presence of the insert loop expands the flexibility of the device to an even wider range of recording applications.
The next processor in the signal chain is a compressor/limiter/noise gate module with a dedicated limit switch, a soft knee compression control knob with a maximum ratio of 1:2.5, a make up gain knob from 0 to +22 dB, and a noise gate that can operate over the signal's complete dynamic range.
The compressor module is followed by a three band EQ and FET distortion module that can be switched to operate before or after the compressor. A low mid frequency control covers a range form 30 to 700 H, a LMF-/+ knob determines the amount of boost or cut at the selected frequency between ±14 dB. Similarly, a mid/high frequency filter can be set between 680 and 15,000 Hz with a controllable gain or boost at this Q frequency within ±12 dB. An AIR Band module uses a coil-capacitor-filter with a center frequency of 17,500 Hz and a maximum possible accentuation of +10 dB or a maximum dampening of -10 dB. The FET distortion allows you to add distortion from 0% up to distinctly perceptible harmonics.
The next module provides an output gain control from -20 dB to +5.5 dB. A mute switch allows you to mute the output signal.
The final two controls include a playback control that regulates the volume of the playback signal that is passed to a musician who is monitoring with the included front panel 1/4" TRS stereo phono jack as well as a volume control for setting the volume of the microphone, instrument, or line signal.
For visual feedback the unit includes LED metering for s-detect, clip, signal presence, tube warm up, gain reduction, and PPM output. The unit can be modified with the installation of Lundahl I/O transformers. - The Pre-Amp Stage
- Provides three inputs:
The microphone input features 48V phantom power, phase reverse function and a subsonic filter The low-impedance Line input has a balancing stage for connecting studio equipment The low-noise, high-impedance instrument input is accessible on the front panel - De-Esser
- Subtly removes offending sibilants by eliminating only the "S" sounding frequencies with phase-cancelling processing technology. The unit's auto-threshold assists in constant processing even with varying microphone distances
- Insert (Send / Return)
- Allows for insertion of external processors or can be used to record the pure preamplifier signal
- Compressor / Limiter
- Use's SPL's Double-VCA-Drive circuitry for improved noise and distortion characteristics with control via a single knob and signal-dependent automation and musical results in just about any situation
- Noise Gate
- Operates in a way such that even reverberation are recognized and not cut off
- Three Band EQ
- Provides an EQ design optimized to process vocals, acoustic and electronic instruments.
Low, Mid Hi, and Air-Bands allow for both corrective adjustments and/or effective sound designing processing - Gadget
- Applies distortion to signals
- Headphone Monitor Stage
- Provides an individual mix for the singer or speaker without the latency problems often associated with digital systems
- 24 Hz/192 kHz A/D 1090 Module
- Optional equipment includes a 24 / 96 A/D converter module
- I/O Customization
- Allows for the I/O section to be modified with the installation of Lundahl I/O transformers
In the Box SPL Channel One Channel Strip Power Cord Limited 2-Year Warranty Table of Contents
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Technical parametersSPL SPLCHANONE Specs | Channels | One | | I/O | 1x XLR-3F Microphone input 1x 1/4" TRS Line input 1x 1/4" TRS instrument input 1x 1/4" insert return 2x 1/4" playback inputs (left and right)
1x 1/4" insert send 1x 1/4" TRS output 1x XLR-3M output | | Phantom Power | +48 V | | Frequency Response | Microphone Input: 10 to 100,000 Hz (100,000 Hz = -3 dB) Line/Instrument Input: 10 to 180,000 Hz (100,000 Hz = -3 dB) | | Common Mode Rejection | Microphone (at -20 dBu) 1 kHz: -80 dB/ 10 kHz: -78 dB Line/Instrument (at 0 dBu) 1 kHz: -80 dB/ 10 kHz: -78 dB/line input only | | Total Harmonic Distortion | Microphone (A-weighted) 20 dB: -97.1 dBu 40 dB: -91.1 dBu 65 dB: -69.4 dBu
Line/Instrument (A-weighted) 5 dB:-99.4 dBu 20 dB: -97.2 dBu 42 dB: -79 dBu | | Dynamic Range | Microphone: 118 dB Line/Instrument: 119 dB | | Input Impedance | 20 kilohm Instrument: 1 Mohm | | Maximum Input Level | +22 dBu Instrument +14 dBu | | Output Data | Max. Output Level XLR/Jack: +20 dBu Output Impedance: 50 Ohm | | Headphone Amplifier | Gain, Mic Input and 0 dBu Output Level -20 dBu bei 25% -10 dBu bei 40% -5 dBu bei 55% 0 dBu bei 70% +5 dBu bei 75% +10 dBu bei 90% +14 dBu bei 100% | | Metering | LED ladder, switches with function chosen | | A/D Converter | Optional 24 Hz/192 kHz Module 1090 A/D converter | | Power Supply | Toroidal Transformer: 20 VA Fuses: 315 mA (230 V/50 Hz) 630 mA (115 V / 60 Hz) | | Dimensions (WxDxH) | Standard EIA 19" 19.0 x 3.5 x 8.3" (IHE 482 x 88 x 210 mm) | | Weight | 9.15 lb (4.15 kg) |
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