Product Description

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.

Features
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

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.

Technical Description

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 in. TRS Female Unbalanced

Input Impedance 1 MOhms

Line Outputs
Type: 1/4 in. 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 Range: 90 to 230 VAC

Power Requirements (Continuous): 20W

Weight: 6 lbs. (2.72 KG)

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