Package Includes:

• (1) Presonus DIGIMAX D8 Digital 8 Channel Microphone Recording Pre-Amp Digi Max Mic
• (1) Rockville ROCKSHIELD 3 Large Studio Mic Isolation Shield w/Sound Dampening Foam
• (1) Rockville RockPop Double Screen Recording Mic Pop Filter w/Metal Gooseneck Clamp

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Video of DIGIMAX D8:

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Features Summary:

• 8 XMAX class A microphone preamps w/ trim control
• 24-bit resolution ADAT digital output
• 44.1 and 48K sampling rates
• External sync via BNC word clock input
• Direct outputs on every channel
• LED input metering
• -20dB Pad on every channel

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Description of DIGIMAX D8:

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 lightpipe 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.

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Important Documents:
(All links will open in a new pop-up window)

• DigiMax D8 Manual English (PDF)
• DigiMax D8 Hookup Diagram (PDF)
• DigiMax D8 with Digi 003 Hook Up Diagram
• DigiMax D8 with FireStudio LightPipe Hook Up Diagram
• DigiMax D8 with FireStudio Tube Hook Up Diagram

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Technical Specifications:

Microphone Preamplifier Type XLR Female Balanced Frequency Response (+/-0.5 dB) 20 Hz to 50 kHz Frequency Response (+/-3.0 dB) 20 Hz to 150 kHz Input Impedance (Balanced) 1600 Ohms THD+N (unwtd, 1 kHz @ +4 dBu Output, Unity Gain) < 0.003% EIN (unwtd, 55dB Gain, 150 Ohms Input, 20Hz to 22 kHz) -126 dBu S/N Ratio (Unity Gain, unwtd, Ref. = +4 dBu, 20Hz to 22 kHz) > 101 dB Common Mode Rejection Ratio (1 kHz, 55 dB Gain) > 55 dB Gain Control Range (+/- 1dB) -4 dB to 50 dB Maximum Input Level (Unity Gain, 1 kHz @ 0.5% THD+N) +14 dBu Signal Level LEDs Red / Clip (+/-0.5 dBu) Yellow (+/-0.5 dBu) Green (+/-0.5 dBu) Green (+/-0.5 dBu) +10 dBu (0 dBFS) +4 dBu (-6 dBFS) -8 dBu (-18 dBFS) -14 dBu (-24 dBFS) Phantom Power (+/-2 VDC) +48 VDC Instrument Input (channels 1 and 2 only) Type 1/4" TRS Female Unbalanced Input Impedance 1 MOhms Line Outputs Type 1/4" TRS Balanced Output Impedance 51 Ohms Digital Audio ADC Dynamic Range (Awtd, 48 kHz Sample Rate) 107dB Bit Depth 24 Reference Level for 0dBFS +10 dBu Internal Sample Frequency Selections (kHz) 44.1, 48 External Sample Frequency Input 75 Ohms BNC Power Input Connector Type IEC Input Voltage (factory configured) 90 to 230 VAC Power Requirements (Continuous) 20W Weight 6 lbs. (2.72 KG) Physical Main Chassis Package Type 1U - steel chassis Dimensions 19(W) X 1.75(H) X 7(D) inches Weight 6.0lbs

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How to Set Up Your RockShield 3:

Video of ROCKSHIELD 3:

Includes:

• 5 Panel Mic Isolation Shield
• Hardware to Mount unit to your mic stand
• 5/8” Mic Adapter
• Desktop mic attachment

RockShield 3
Rockville’s Rockshield 3 studio microphone isolation shield is the latest addition to our ever growing line of Pro Audio studio accessories. Featuring 2-inch-thick high density acoustic foam, the RockShield 3 keeps unwanted outside audio waves and vibrations from affecting your recordings. By creating an acoustic boundary around the microphone, vocal audio flow is improved. Your voice is redirected to the microphone, meanwhile room reflections are prevented from directly entering the recording area. The end result is you will achieve a crisper and cleaner sound. This shield can be mounted to compatible microphone stands or used in a fixed location, like a countertop/tabletop. Easy installation and studio quality performance will quickly make the Rockshield 3 your go-to sound dampening isolation shield.

Features:

• RockShield 3 Pro Audio Acoustic Microphone Isolation Shield
• Keeps Excessive Room Ambience and Off Axis Sound from interfering with your microphone when recording acoustic and vocal tracks
• Isolates Directional Microphones from Off Axis Coloration
• Limits External Bleed from Unintended Sound Sources
• Features a 2-Inch-Thick High Density Pyramid Acoustic Foam front and a vented metal back plate for the Best Noise Reflection Reduction
• Can be used in fixed location
• Stand mountable
• Provides Vocal Booth Style Recordings with Minimal Footprint
• Professional Studio-Grade
• Rugged Finish Makes This Easy to Transport
• Tri-Pod Foot Design for Stability on Flat Surfaces
• 3/8 Die-Cast Metal Threads 
• Mic Stand with 5/8 Adapter
• The shield is made of pure high-grade steel
• Number of Panels: 5 pcs
• Dimensions Each Panel: 6.3'' x 12.2'' inch
• Dimensions Assembled Unit: 17.5'' x 16.1'' x 7'' inch

Owner’s Manual

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How to Set Up Your RockPop:

Features of RockPop:

• Rockville RockPop Double Screen Recording Microphone Pop Filter with Metal Gooseneck Clamp
• Prevents pops when recording vocals
• Adjustable clamp fixes securely to any mic stand
• Gooseneck for precise positioning
• The first screen blocks air blasts
• The gap in between the 2 screens disperses any remaining air pressure
• By the time it passes the second screen, the blast is easily contained
• Adjustable Gooseneck: The metal gooseneck holder fully supports the filter's weight and keeps it in place
• You can adjust the angle and distance between the wind screen and the microphone
• Universal Compatibility: Adjustable and rotating clamp with scratch-proof gripper secures to any tubular mounting booms or mic stands with a maximum diameter of 1.6 inches
• Swivel mount for easy installation
• Pop Filter Diameter: 5.9” inches
• Gooseneck Length: 14.1” inches
• Net Weight: 0.44 Lbs.