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Symetrix 425 Dual Compressor-Limiter-2nd Hand-
Specifications
Input/Output
Inputs XLR-female, >30-kilohms line-level balanced bridging, >30-kilohms
unbalanced bridging.
TRS-female paralleled with XLR connector.
Outputs 300-ohm source impedance, balanced. XLR-male
TRS-female wired tip hot, ring & sleeve grounded (unbalanced), 150-
ohm source impedance.
Maximum input level +20 dBu, balanced
Maximum output level (onset
of clipping/1% THD)
+25 dBu balanced
+23 dBm balanced (600 ohms)
+20 dBu unbalanced
+18 dBm unbalanced (600 ohms)
Sidechain 100-ohm source impedance, 6800-ohm input impedance.
TRS jack, tip is return.
Compressor
Type RMS responding, soft-knee
Attack time 2ms
Release time 180ms to 2.5s long term
Auto-release time 20ms to 1s (based on 20ms tone burst)
Threshold -40 dBu to +20dBu (bypass)
Ratio 1:1 to 10:1
Limiter
Attack time 200μs
Release time 100ms
Threshold -10dBu to +20dBu
Ratio 20:1
Downward Expander
Attack time 4ms
Release time 250ms to 5s
Threshold 0dBu to -40dBu (bypass)
Ratio 1:1.5
Rev 2.0, 10/29/93 12-1
Performance Data
Frequency Response +0, -3 dB 10_Hz to 60 kHz
Distortion (THD) .04 %, +4 dBu in, +4 dBu out, 10 dB gain reduction, 1 kHz, 30
kHz low-pass filter
.01 %, +4 dBu in, +4 dBu out, 10 dB gain reduction, 20 kHz,
30 kHz low-pass filter
.02 %, +18 dBu output, 0 gain reduction, 20-20 kHz, 30 kHz
low-pass filter
Crosstalk -95 db @ 1k, -95 dB @ 10k, + 4dBu in, remaining channel
terminated in 600 ohms, 20k rolloff in analyzer.
Dynamic Range 115 dB (difference of maximum output and noise floor)
Input CMRR greater than 40 dB @ 1kHz
Output Noise -90 dBu, measured at balanced output, input terminated in
600 ohms, 20 kHz rolloff in analyzer.
Physical
Connectors input: XLR-3F, 1/4" TRS
output: XLR-3M, 1/4" TRS
sidechain: 1/4" TRS (one)
Polarity pin 2 of XLR is hot, tip of TRS jacks is hot.
Size (hwd), in & cm 1.75 x 19 x 7.25 in
4.44 x 48.3 x 18.4 cm
Weight, lbs & kg 8 lbs (3.63kg) net
11 lbs (4.6kg) shipping
Electrical
Approvals Listed by Underwriters Laboratories, Inc. Control number
2T38.
Power requirements 117V AC nominal, 105-125VAC 50-60 Hz, 12.5 Watts
maximum
230V AC nominal, 205-253V AC 50 Hz, 12.5 Watts maximum
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PRICE DOES NOT INCLUDE VAT
Gepco Passive D.I. Box-2nd Hand-
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USED IN GOOD CONDITION.
Price does not include vat
The S com 4 is a compact and versatile single-rack space device that provides
four channels of high quality dynamics processing with an Expander/Gate and
Compressor/Limiter on each channel.
The four channels operate independently or in stereo pairs. Its multi-segment LED
metering displays input/output level as well as gain reduction. The Expander/Gate
section features a continuously variable Threshold control as well as a switch for
fast or slow release times.
The Compressor/Limiter section includes variable Threshold, Ratio and Output levels.
S com 4\'s Enhancer switch restores high frequencies that are sometimes diminished
by heavy compression. This wide-ranging combination of features makes the S com
4 an efficient and versatile audio tool for a wide variety of applications. Its clean and
quiet audio characteristics make it ideal where high sonic integrity is imperative.
FEATURES:
4 Channel Compressor/Limiter, Expander/Gate with Enhancer
Linkable in two Stereo pairs
Expander/Gate with variable Trigger control and switchable Fast/Slow Release
5 Segment LED meters for Input/Output levels and Gain Reduction on each channel
Advanced circuit design utilizing Low Noise Operational
Amplifiers and High Quality VCA\'s
Servo Balanced Inputs and Outputs on XLR and 1/4" connectors
SKD (Smart Knee Detector) circuit automatically switches from soft to hard knee
based on the level of Input signal applied
Individual Threshold and Ratio controls on each channel
Three-year extended warranty |
PRICE WITHOUT V.A.T. 23%
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DEMO PIECE IN VERY GOOD CONDITION
COMES IN ORIGINAL PACKAGE WILL ALL CABLES/MANUALS STILL SEALED!
DBX Quantum 2 Digital Multi Band Processor
The Quantum II is your studio\'s secret to success, delivering a fully professional master every time. You get sample rates up to 96kHz , a true, 48-bit digital signal path, and legendary dbx dynamics processing in a 4-band multiband system. The 4-way crossover splits the signal into 4-bands, and each band may be individually gated, compressed, and limited. The intuitive user interface puts all the mastering processes you need right at your fingertips.
A quick surf through the menu driven system gives you a glimpse of the packed feature set. But what really makes the Quantum II a giant in the field of dynamics processing is the dbx Type IV Conversion System. This lets you capture the character of any analog signal to the digital domain, retaining the original warmth of the sound yet allowing you the precision and accuracy you need in today\'s digital world.
Features:
- 96 kHz, 24 bit A/D, D/A, and Digital I/O on AES/EBU or S/PDIF
- 48 bit internal signal path for increased head room and low level resolution
- Patented TYPE IV™ A/D Conversion system with TSE™
- 4 band stereo compressor-gate-limiter
- 5 band EQ - Hi and Lo shelves, 3 band fully parametric and MS EQ
- Normalizer - lets you control overall signal dynamics
- Stereo adjust - control your stereo image
- Sync input/output using dbx\'s ownproprietary clock chips for extremely low jitter sync
- Dither outputs to 16, 20, or 24 bits
- Sample rate conversion - Fill Up/Down
- Software updateable via Internet and MIDI and RS 232
- 4 band crossover with variable slopes
- GUI Control
PRICE WITHOUT VAT 24% | PRICE WITHOUT V.A.T.
BSS Opal FCS-966 Constant Q Graphic Eq
Graphic equalisers are found in just about every sound application, from room contouring to feedback control and general audio sweetening.
Traditionally, much general eq'ing takes place on the faders alone, but this restricts the use of the faders at each end of the scale for further precision eq work. So we provided the Opal FCS-966 with separate LF and HF contour filters which can change an overall sound balance without disturbing a detailed room or loudspeaker response.
These filters are very musical gentle boost and cut shelving filters which can be used to add (or remove) room effects that change with temperature, audience numbers or humidity.
All these effects can be easily made without disturbing the critical fader settings already made.
Constant Q Filters
The modern generation of graphic eq's
uses the Constant Q topology, pioneered by BSS Audio, which means that the filter width is constant whatever the fader gain setting.
Compared to the earlier 'gyrator' style of filters, Constant Q filters provide a smoother and more predictable interaction between adjacent faders and the resulting eq curve more closely resembles the actual fader positions.
More Gain Control Per Filter
Each eq fader has +/-15dB of adjustable gain, more than many competitive graphic eq's. The faders are long-throw 45mm types for precision control.
High Pass Filter
Also provided on the FCS-966 is a sweepable high-pass filter which can be used very effectively to restrict the low-energy output for better amplifier and loudspeaker performance. Stage monitors also benefit from the application of a high-pass filter to remove bass signals e.g. from vocal-only wedges.
Metering
BSS Audio believes in providing engineers with information, and the FCS-966's 8-segment led meter shows output level and warns of signal clipping within the eq. When the unit is switched to bypass, the meter will read the input level, allowing accurate matching of the 'dry' and equalised signals using the gain control.
Centre Bypass
When any eq fader is in its centre detent position, the filter is automatically bypassed, for optimum performance.
Input/Outputs
All the inputs and outputs of the FCS-966 are electronically balanced, with optional transformer balancing. To make installation of the FCS-966 easier, we've provided three differerent interface connectors: XLR-type, 1/4" TRS jack and Phoenix/Combicon screw terminals.
Relay Bypass
The EQ IN buttons switch the EQ path
into circuit. When switched out, or power fails, a high-quality relay switches the input signal directly to the output connectors.
Control Descriptions
Faders
30 EQ filter faders on ISO centres, each with nominal +/-15dB of gain. Positive centre-detent on 45mm long-throw precision faders.
HP Filter
Sweepable high pass filter, frequency adjustable from OUT (flat) up to 250Hz.
LF Contour
Smooth shelving filter, +/-6dB of gain at 50Hz
HF Contour
Smooth shelving filter, +/-6dB of gain at 14kHz.
GAIN
Used for overall unity gain adjustment. Adjustable from - infinity to +10dB.
CLIP
Triple-point clip detector that indicates red when the internal signal is clipping at any one of three critical points.
LED Meter
Shows output signal level (input signal when eq is bypassed) from -24dBu to +18dBu in 8 steps. |
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