Presonus DigiMax D8 Microphone Preamp  From Presonus

8-Channel Preamp with 48kHz ADAT Output

Presonus

$399.95

Retail:  $499.95

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Manufacturer's Description from Presonus

The DigiMax D8 is an 8 channel preamplifier featuring 8 award-winning class A XMAX mic preamps with 24-bit ADAT digital output. All eight preamps include variable trim control, 48V phantom power, ultra-fast acting LED metering and 20 dB pad. In addition, 2 instrument inputs are located on the front panel for direct Hi-Z instrument input. Balanced TRS direct analog outputs are located on the rear panel for routing and flexibility. The DigiMax D8 also includes word clock sync input for ultra-low jitter and robust synchronization.

The DigiMax D8 is the perfect solution to add eight professional microphone preamplifiers to any digital recording system with ADAT optical light pipe expansion capability including Digidesign’s HD and 003 systems, RME, YAMAHA, Alesis, Mackie, and many others.

8 XMAX Class A Preamplifiers
The DigiMax D8 includes eight custom-designed high-voltage, discrete, XMAX Class A microphone preamplifiers for all types of microphones. The job of a microphone preamplifier is to boost microphone level signals to line level so that the signal can be converted from analog to digital. This mic to line boost is generally a preamplification of over 400 times the voltage of the original mic level signal. This preamplification stage is one of the most important stages that the signal will go through before converted to digital, and is why a high-performance preamplifier is important to achieving great results. All XMAX preamplifiers are built with the same three elements:

High Voltage - The XMAX preamplifier runs on power rails of 30V. Most off the shelf op amp based designs run on power rails of 10V to 18V. Higher voltage power rails deliver more headroom, deeper lows, smoother highs and an overall fuller sound.

Discrete - No op amps. Only transistors, resistors and capacitors. Op-amps add noise, coloration and harshness to a signal. Discrete designs deliver ultra-low noise and transparency.

Class A - When a circuit is running in Class A mode the circuit is always in an "on" state operating at its optimal voltage requirements. Class A mode has zero crossover distortion and delivers purer, clearer and more musical sonics than class A/B designs which are found in most op-amp circuits.

The net result of the XMAX preamp design is high headroom, low noise, wide dynamic range and wide frequency range, and most importantly, musicality and transparency - smooth highs, solid deep lows, and everything in between.

Presonus

About Manufacturer

PreSonus Corporation, a developer of audio technologies for the professional and semi-professional digital audio markets, was founded in 1995 and presently has an active distribution network in place that reaches over 20 million audio consumers. PreSonus also manages a high traffic website, www.presonus.com that is experiencing over 100,000 hits per month. The Company has released 18 professional audio products that have shipped to over 41 countries. Presonus has received the Electronic Musician Magazine Editor's Choice Award for four different products. The Company's products have also been nominated several times for MIX Magazine's Technical Excellence in Creativity Awards (TEC). In all, over 150,000 PreSonus products are in use around the world. The Company's primary objective is to leverage its research and development ability, intellectual property portfolio, expertise in manufacturing, well respected brand, and established distribution channels to continue swift growth in revenue and profitability. PreSonus has exhibited consistent growth of an average of 48.6% per year over the past six years and predicts continued double digit growth rates for the next three years. PreSonus was founded on the precept of research and development in new technologies and discovery and exploitation of emerging multi-media markets. The Company has passed the 'proof of concept' stage and is presently utilizing its proprietary designs and patents to expand product offerings. PreSonus has extensive relationships in the music, technology, Internet, manufacturing and consumer electronics industries as well as a highly respected professional audio brand - PreSonus Audio Electronics. Competencies necessary to promote and support digital audio technology include qualified personnel in research, engineering, manufacturing, music and marketing as well as direct experience with branding and business development. PreSonus has developed a talented staff and exceptional reputation and is poised to take advantage of the burgeoning digital audio and digital media consumer markets.

Specifications

  • 8 dual-purpose front-panel channel inputs, each with high-headroom Class A XMAX™ mic preamplifiers
  • Individual channel-trim controls with -4 dB to +50 dB gain range
  • 48V phantom power for condenser microphones (switchable in pairs)
  • 20 dB pad on every channel
  • Analog direct outputs
  • 4-segment, fast-acting LED input meter
  • 8 channels of ADAT optical output at 44.1 or 48 kHz
  • Clock source (sets clock to external or internal with 44.1 or 48 kHz sample rate)
  • 1 BNC word-clock input 8 balanced ¼” direct outputs (1 per channel)
  • 1 ADAT Lightpipe optical digital output
  • 1U 19” rack-mountable, rugged steel chassis
  • Internal power supply with standard IEC connector