Drawmer DA6 Balanced Distribution Amplifier (6 Channel Stereo)  From Drawmer

6 Channel Stereo (12 mono) From one Source Balanced Distribution

Drawmer

$899.00

Retail:  $975.00

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Manufacturer's Description from Drawmer

The distribution of mono and stereo balanced audio signals from a single source to multiple destinations has many applications including multi-zone sound reinforcement installations, live sports events coverage, broadcast studios, video suites, duplication or indeed anywhere high quality audio has to be distributed to a number of locations down long cable runs. The Drawmer DA-6 is a six channel stereo (or twelve channel mono) distribution amplifier featuring XLR balanced inputs and outputs with optional transformer balancing where remote amplifiers and recorders are fed from separate power supplies. The stereo Input features individual left/right level controls with LED bargraph metering enabling the correct balancing of stereo material or two mono signals. Each of the six outputs incorporate further left/right level controls and a Mono/Stereo switch providing the selection of either one stereo output or two mono outputs per channel. This feature allows the DA-6 to function as either a 1 x stereo input/6 x stereo outputs or 2 x mono input/12 x mono output unit or any combination of the two. The output section consists of a Channel Select so that the individual left/right output level of each channel is displayed on the output LED bargraph and can be monitored by the Headphone jack socket. A pair of auxiliary link stereo jack sockets (TRS) are provided via the rear panel for connection to further DA-6 units for the distribution of even more channels.

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

INPUT IMPEDANCE:15K Ohms OUTPUT IMPEDANCE:33 Ohms (electronically balanced) MAX. INPUT LEVEL: Bal. +23.5dB Unbal. +18dB MAX. OUTPUT LEVEL: Bal. +22.5dB Unbal. +17.5dB into 600 Ohms HEADPHONE AMPLIFIER: 1 Watt into 8 Ohms HEADPHONE IMPEDANCE: 8 Ohms to 600 Ohms NOISE: Better than -95dB ( Gain=0dB @ 22Hz - 22KHz) CROSSTALK: > -90dB @ 10KHz (Input grounded, any channel output) DISTORTION: @ 1KHz Output 0dB 0.008% +10dB 0.008% +20dB 0.015% BANDWIDTH: 18Hz to 32Khz -1dB TRANSFORMER OPTION Outputs fitted with the specified BEYERDYNAMIC transformer will have the following specification:- Max. Output Level: +18.8dB into 600 Ohms. Distortion @ 1kHz 0dB 0.008% +10dB 0.01% +15dB 0.05% Bandwidth 10k Load Output 0dB: 18Hz to 58kHz (-3dB point) 25Hz to 34kHz (-1dB point) Output +10dB: 66Hz to 58kHz (-3dB point) 87Hz to 34kHz (-1dB points) Bandwidth 600 Ohm Load Output 0dB: 22Hz to 22kHz (-3dB point) 31Hz to 12kHz (-1dB point) Output +10dB: 82Hz to 22kHz (-3dB point) 109Hz to 12kHz (-1dB point) The Beyerdynamic transformer has a load dependent insertion loss of 4dBs into 600 (0.3dB into 10k ). The transformer output is optimised for loads between 600 and 1M in parallel with a capacitance of 5pF to 150pF. POWER REQUIREMENTS: 115Volt or 230Volt at 50-60Hz, 30 Watts