Drawmer M Clock Plus Studio Clock  From Drawmer

Studio Digtal Clock

Drawmer

$1,699.00

Retail:  $1,895.00

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Manufacturer's Description from Drawmer

In today's studio where increasing numbers of digital devices need to be interconnected, maintaining digital signal integrity can be a serious problem. The traditional professional solution has been to use an expensive master clock that drives all the digital equipment in the studio, but in many different types of studios there are often pieces of equipment that don't have wordclock inputs such as consumer CD players, MD recorders, DAT machines and budget computer soundcards. Drawmer's unique solution to this dilemma is the M-Clock, an affordable yet extremely highly specified, multiple output master clock generator that also incorporates four further channels of sample-rate-conversion, all locked to the same master clock. There are also alternative sync outputs for those pieces of equipment without wordclock connections that can be sync'ed via their digital audio inputs using a 'black' signal carrying no audio information. The advantages of combining wordclock with multiple channels of 'clock-locked' sample rate conversion are significant and often under-appreciated. With M-Clock, all your 'pro' and consumer digital equipment can run in the same system, locked to the same clock, with no worries about finding a suitable sync source. You'll find you're no longer having to switch equipment between internal and external sync as you repatch - and the M-Clock's ultra-precision, low-jitter clock helps maintain optimum stereo imaging, lower noise and lower distortion. If you have multiple pieces of digital equipment in your studio, whether professional or a mixture of professional and consumer, M-Clock is probably the most effective upgrade you can make for anything like the price.

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

MASTER CLOCK GENERATOR Uses ultra low jitter, AES grade 1 stability temperature compensated xtal oscillators (TCXOs) syncronising 24 outputs in total: 10 wordclock outputs offering frequencies from 44.1k-192kHz, + superclock option 4 blank frame AES11 outputs at sample rates from 44.1-96kHz 4 channels of stereo up/down sample rate conversion each with 3 simultaneous outputs INTERNAL CLOCK GENERATOR 2 x Temperature Compensated Xtal Oscillators (TCXOs) - AES11 GRADE 1 Stability: - Tolerance +/-1ppm (0-60 Celcius), <+/-1ppm (15-30 Celcius) - Phase noise -130 dBc/Hz @ 1kHz - @ 24.5760 MHz to give Fs 48 kHz, 96 kHz & 192 kHz + 256Fs (superclock) @ 22.5792 MHz to give Fs 44.1 kHz, 88.2 kHz & 176.4 kHz + 256Fs (superclock) WORD CLOCK OUTPUTS Output impedance 22.5 ohms giving 4v / pk-pk into 75 ohms Outputs 1-4 selectable between 44.1, 48, 88.2, 96 kHz Outputs 5-6 selectable between 44.1, 48, 88.2, 96, 176.4, 192 kHz Outputs 7-8 selectable between 44.1, 48, 88.2, 96, 256Fs - (Superclock) AES 11 OUTPUTS 2 x Neutrik XLR 110 ohm source @ 44.1, 48, 88.2, 96 kHz 2 x Gold Plated Phono 44.1, 48, 88.2, 96 kHz SAMPLE RATE CONVERSION 4 x Stereo Sample Rate Converters: full up/down conversion / 2 x Neutrik XLR AES/EBU inputs / 1 x Phono SPDIF input 1 x Switchable Phono/TOSLINK input (Front Panel) All outputs simultaneous on 4 x AES/EBU XLR / 4 x SPDIF Phono / 4 x TOSLINK THD+Noise > 120 dBFs