Drawmer MX PRO-30 Compressor  From Drawmer

Gate, Compressor

Drawmer

$549.00

Retail:  $599.00

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Manufacturer's Description from Drawmer

The MX30 Gated/Comp/Limiter is a low cost professional quality dynamics processor containing some of the proprietary design circuitry used in the more expensive models in the Drawmer range. The MX30 has many automated features enabling fast, effective dynamic control whilst retaining the instinctively laid out control parameters, sonic character and high technical specification which have made Drawmer the industry standard. The MX30?s competitive price point brings Drawmer?s professional processing into a much wider musician, project studio and live performance area. Operational control is split into three sections:- Gate, Compressor, Output: ?Programme Adaptive? Gate Used to remove unwanted noise below a pre-set level, each channel consists of a variable Threshold Gate incorporating Drawmer?s ?Programme Adaptive? circuitry. Although quick and simple to operate, the gate?s auto-circuitry continually optimises such parameters as Attack, Hold, Ratio and Release, completely eliminating ?chatter? when the signal is fluctuating on or around Threshold. Two LED?s show when the signal is ?above? or ?below? Threshold and a push button switch allows additional control of Release time. This design approach also retains all ?leading edge? information making the gate ideal for ?cleaning up? vocals or retaining the ?punch? on gated drums. Switching is provided for 'Fast' or 'Slow' release characteristics. The 'Fast' mode can be used for instruments with rapid decay times or for additional tightening of the gating effect. The 'Slow' mode is more suitable for vocals and instruments with longer decay times or can be used to smooth over rough fade outs. A single LED indicates gating action. Soft Knee ?Auto Compressor? The gate is followed by a variable Threshold, variable Ratio, soft knee compressor with fully automatic Attack and Release. Large transients are controlled instantly whilst small signal variations are treated gently, retaining as much ?life? as possible and without generating unpredictable side effects. From the slightest to the most aggressive levels of compression, the MX30 handles it all with ease and displays the amount of compression taking place on a high resolution Gain Reduction bargraph meter. Output The Gain control is used to compensate for the amount of compression and brings the signal to the required output level as displayed by the output bargraph meter. A variable Threshold ?zero overshoot? limiter, essential for avoiding distortion when mastering to digital or speaker protection in a ?live? situation, adds the final polish to the signal by keeping control over signal peaks. The Limit threshold provides an absolute maximum peak level which no signal can pass. Fast transients are clipped instantly whilst more sustained peaks are dealt with by applying Gain Reduction, indicated by a single LED. Controls Gate Threshold: This control sets the level below which gating takes place and may be set anywhere in the range of -70dB to +20dB. A green LED illuminates to show when the signal is above threshold (i.e. gate open) and a red LED illuminates when the signal is below Threshold (i.e. gate closed). Release: Either a Fast or Slow auto release contour may be selected depending on the material being processed. An LED indicates when Slow release status is engaged. Percussive material with little or no reverb is generally treated using the Fast release setting, whereas with slow decays or a significant amount of added reverb will usually respond better to the Slow release setting. Compressor Threshold: This determines the input level above which gain reduction will be applied and may be set anywhere in the range of -40dB to +20dB. Soft Knee compression takes place for signals exceeding the threshold level by up to 10dB above which level, conventional ?ratio? compression is applied. Gain Reduction Bargraph Meter: A nine segment LED bargraph meter continuously monitors the gain reduction applied by the compressor over a range of 0dB to 30dB. Ratio: Sets the final compression ratio that will be applied once the 10dB soft knee region is exceeded. The ratio may be continuously adjusted from 1.2:1 to infinity:1 allowing the possibility of true hard limiting. The higher the ratio setting the more compression takes place (eg. A ratio of 8:1 means that an 8dB increase in volume at the input will appear as a 1dB increase in volume at the output). Stereo Link: The unit can function as two independent gated/compressor/limiters or when ?link? mode is engaged for stereo use Channel 1 becomes the master, automatically duplicating its parameters across to Channel 2. In this mode the same degree of gain reduction is applied to both audio channels to prevent image shifting. Output Gain: The output level may be attenuated or amplified by up to 20dB to compensate for level changes caused by compression. This control comes directly before the Peak Limiter detector and this fact should be taken into account when setting the Peak Limiter threshold. Peak Limit: This control sets an absolute limit that the output signal will not be permitted to exceed. The limiter is ?zero response time? and controls peaks without any audible distortion. For transparent ?peak protection? the output gain control should be set to ensure that the Peak Limiter operates only occasionally. Alternatively, the unit can be driven into heavy limiting for creative effects. Input/Output Bargraph Meter: An eight segment LED bargraph level meter monitors the level of the output signal over a range of -20dB to +15dB. When Bypass is selected this meter reads input level.

Drawmer

About Manufacturer

The Beginning: The name Drawmer is synonymous with professional signal processing in recording studio, broadcast and live sound reinforcement environments. The company which is based in Yorkshire, England was founded by Ivor Drawmer whose passion was designing audio circuits. "The whole thing started in 1981," explains Drawmer. "I had been playing keyboards with bands in Yorkshire, but that wasn't going so well and also I wasn't getting any younger. With the encouragement of friends I built a small batch of stereo delay lines, which I called the Multitracker, and that was the start of Drawmer." The DS201 Gate: In 1982 Drawmer revolutionised gating by introducing the DS201 Dual Noise Gate, the world's first 'frequency conscious' noise gate. "It came about from working with a producer called Phil Chapman, who wanted me to build him a gate. Without doing any research I built this thing that switched on, held for a certain amount of time and then just switched off. In practice of course it was no good at all, so I then spent some time going around studios looking at how gates were being used. What really surprised me was how long engineers spent fiddling with gates trying to get them optimally set up and I realised very quickly that a better design was needed." The DS201's unique High-Pass and Low-Pass key filters, comprehensive envelope control and ultra-fast attack time has since made it the 'industry standard' gate throughout the world. The 201 transformed the gate from what had previously been a simple "on/off" device to a powerful creative tool playing a significant role in modern music production. "It was the kind of unit that people discovered uses for and it immediately enabled engineers to do the things they'd always dreamed of with minimum fuss," says Drawmer. Very little has changed to the design of the DS201over the years, and Ivor Drawmer claims it sells as well now as it did back in the early 1980s. "It's astounding where they all go, but to date we've sold tens of thousands of units," he says. The 1960 Mic-Pre/Tube Compressor: In 1984 Drawmer released the original 1960 Mic Pre-Amp/Vacuum Tube Compressor which combined two high performance mic pre-amps, two 'soft knee' tube compressors and an instrument pre-amp with EQ. The 1960 was the first self contained 'front end', and for many recordists who required only one or two microphone input channels it replaced the mixing console, assuring the user of a high quality signal path with a 'distinctive' sound. The concept of the 1960 was to combine the 'warmth and character' of eight active tube stages with the low noise and reliability of solid state electronics. The 1960 has been adopted by producers and musicians around the world and acclaimed as the ultimate direct interface between the sound source and the recording medium. Although the basic design and features of the 1960 remain the same to this day, periodic upgrades have been performed, the latest being the addition of high-pass filters and overload LEDs to the mic pre-amp. As the retro movement has escalated, Drawmer says there has been a dramatic surge in 1960 sales which now puts the unit on a par with the gates. Programme Adaptive: During 1989 Drawmer developed a new proprietary gating circuitry which it entitled 'programme adaptive'. This intelligent auto-circuitry was capable of analysing the dynamic content of the incoming signal and constantly optimising the 'attack', 'hold', 'ratio' and 'release' parameters thereby creating a much smoother gating action than previously available. The first products to incorporate Drawmer's 'programme adaptive' circuitry were the DL241 Auto Compressor released in 1990 and the DS404 Quad Noise Gate released in 1991. Also developed in 1989 was a new limiter circuitry which performed 'Zero Overshoot', 'Zero Response Time' transparent limiting. This was also included in the DL241 Auto Compressor and later the DL441 Quad Auto Compressor Limiter. In 1992 Drawmer took the innovative step of incorporating their newly developed 'Dynamics Spectral Enhancement' circuitry into a high quality compressor/limiter which enabled the user to dynamically boost any high frequency energy lost during the full band compression process. The resulting product, the DL251 Spectral Compressor was enthusiastically received by the mastering, broadcast and studio industries. The 1961 Tube Equaliser: With the new series of compressors becoming established amongst professional users Drawmer decided to expand its range of tube products and in 1994 released the 1961 Vacuum Tube Equaliser. An interesting 1961 design feature was the inclusion of a variable input level control on each of the two channels. This design approach allows the user to control the amount of 'warmth' by deciding how hard to drive the tubes giving a sound as 'clean' as the best discrete solid state designs or as 'hot' as the 'hottest' vintage tube models. The 1962 Digital Vacuum Tube Pre-Amp: The 1962 Digital Vacuum Tube Pre-Amp is a hybrid combining solid state, valve and digital technology. It comprises a high performance stereo analog pre-amp with 3-band EQ, low and high pass filters, low and high frequency dynamic enhancement, limiting and variable tube drive which feeds directly to 24-bit A/D converters. As well as analog outputs the 1962 is equipped with AES/EBU, SP-DIF and Tascam's TDIF or Alesis ADAT digital interfaces. "The concept is to offer very high quality analog with optional processing and tube warmth before converting to digital via the high resolution converters," explains Ivor Drawmer. The MX Series: In contrast to the 'high end' 1962, the MX30 Gated/Comp/Limiter and MX40 Punch Gate are low cost entry level dynamics processors bringing Drawmer's professional processing into a wider M.I. market place. The MX range has recently been expanded with the MX50 Dual De-Esser and MX60 Front End One. Digital Masterflow and Future Developments: Digital technology features strongly in Drawmer's future products, and the new Masterflow range of processing units translate some of Drawmer's existing designs into the digital domain. The company has also joined the growing list of manufacturers working on a series of TDM software modules for Digidesign's Pro Tools System and has recently developed a plug-in for the Mackie D8B Digital Console. Ivor Drawmer now works in conjunction with a team of highly qualified technicians with both analog and digital skills. Their design brief is to continue to create innovative and unique products based on feedback from the Sales and Marketing department and the Drawmer International Distributor network.

Specifications

MX30 TECHNICAL SPECIFICATIONS (Measurements taken using +4dBu balanced XLR input where applicable) INPUT IMPEDANCE 20K Ohms (bal), 4K Ohms (unbal) MAXIMUM INPUT LEVEL +21dBu OUTPUT IMPEDANCE 50 Ohms (bal), 100 Ohms (unbal) MAXIMUM OUTPUT LEVEL +20dBu BANDWIDTH <10Hz to 36KHz -1dB CROSSTALK @ 10KHz -94dB @ 1KHz <100dB NOISE AT UNITY GAIN with Gate OFF Wideband 22Hz - 22KHz CCIR ARM IEC A Q-Pk CCIR AV -95dB -101dB -100dB -102dB -89dB RMS -95dB -101dB -98dB -100dB -87dB DISTORTION Typical Input 100Hz 1KHz 10KHz Unity Gain, +4dBu input < 0.03% < 0.02% < 0.03% +14dBu input, 10dB Gain Red. < 0.2% < 0.2% < 0.2% POWER REQUIREMENTS 115Volt or 230Volt at 50-60Hz, 9 Watts FUSE RATING T32mA for 230Volt, T63mA for 115Volt CONFORMING TO BS EN 60127-2:1991 SHEET III FUSE TYPE 20mm x 5mm, Class 3 Slo-Blo, 250Volt working CASE SIZE 482mm (w) x 44mm (h) x 200mm (d) WEIGHT (incl packaging) 3.2 Kgs