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The DigiMax FS is an eight-channel microphone preamplifier, with 24-bit/96k ADAT dual SMUX I/O and word clock I/O. Loaded with direct outputs and inserts on every channel, the DIGIMAX FS is the perfect hardware expansion for your FireStudio or any digital recording system with optical lightpipe expansion capability including DigiDesign’s HD and 002 systems, RME, YAMAHA, Alesis, Mackie and many others.
The DigiMax FS is loaded with new patented JetPLL™ jitter reduction technology ensuring ultra-high converter performance, fast and robust locking through a wide range and variation of frequencies and noise shaping to remove nearly all audio band jitter.
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.
8 XMAX Class A microphone preamps w/ trim control24-bit resolution, 44.1, 48, 88.2 and 96K sampling rate96k ADAT input and output (dual SMUX)JetPLL jitter reduction technology for ultra tight synchronizationDirect outputs and inserts on every channelWord clock input and output
Hybrid design incorporates noise shaping to virtually remove audio band jitter. Ensures highest converter performance possible, resulting in better separation.Fast locking to any digital format, through a wide range of frequencies.Extremely robust, and tolerant of wide variations in clock frequencies.Ensures near perfect clock performance when networking audio devices.Dual VCXO loop performance and quality. DigiMax FS Suggested Retail: $799
Microphone Preamp (XLR Balanced)
All measurements Microphone Input to Direct Output
Frequency Response (+0,- 0.5dB)
20Hz to 40KHz
Frequency Response (+0/-3.0 dB) 20Hz to 100KHz
Input Impedance 1600 Ohm
THD+N (unwtd, 1KHz @ +4dBu Output, Unity Gain) <0.003%
EIN (unwtd, 55dB Gain, 150 Ohm Input, 20Hz to 22KHz) -126dBu
S/N Ratio (Unity Gain, unwtd, Ref. = +4dBu, 20Hz to 22KHz) >101dB
Common Mode Rejection Ratio (1KHz, 55dB Gain) >55dB
Gain Control Range (+/-1dB) 0dB to 55dB
Maximum Input Level (Unity Gain, 1KHz @ 0.5% THD+N) +11dBu
Phantom Power (+/- 2VDC) +48VDC
Instrument Input (1/4” TRS, Preamps 1 & 2)
Input Impedance 1 Mega Ohm
Line Inputs (1/4” TRS, Preamps 3 to 8)
All measurements Line Input to Direct Output
Frequency Response (+0,- 0.5dB)
20Hz to 60KHz
Frequency Response (+0/-3.0 dB) 20Hz to 150KHz
Input Impedance (Balanced) 10 KOhm
THD+N (unwtd, 1KHz @ +4dBu Output, Unity Gain) < 0.0015%
S/N Ratio (Unity Gain, unwtd, Ref. = +4dBu, 20Hz to 22KHz) >101dB
Gain Control Range (+/-1dB) -12dB to +10dB
Maximum Input Level (Unity Gain, 1KHz @ 0.5% THD+N) +22dBu
Insert Jacks (1/4” TRS)
Send Output Impedance (Unbalanced, Ring) 51 Ohm
Return Input Impedance
(Unbalanced, Tip) 10KOhm
Direct Outputs/DAC Outputs (1/4” TRS)
Output Impedance (Impedance Balanced) 51Ohm
Signal Level LEDs
Clip (+/- 0.5dBu) +18dBu
Digital Audio
ADC Dynamic Range (Awtd, 48KHz Sample Rate) 107dB
DAC Dynamic Range (Awtd, 48KHz Sample Rate) 110dB
Bit Depth 24
Reference Level for 0dBFS +18dBu
Digital Audio Output (2-Toslink™ Connectors, 8 channels) ADAT/SMUX
Digital Audio Input (2-Toslink™ Connectors, 8 channels) ADAT/SMUX
Internal Sample Frequency Selections (KHz) 44.1, 48, 88.2, 96
External Sample Frequency Inputs BNC, ADAT (SMUX)
BNC Word Clock Output Level (75 Ohm load) 4.5V
BNC Word Clock Input Level Range 3.0 to 5.5V
Jitter Specification <20ps RMS, 20Hz-20kHz
Jitter Attenuation >60dB; 1ns in approx.1ps out
Power
Input Voltage (factory configured) 18 to 30VDC
Power Requirements (Continuous) 15W
DC Input Connector Type 5.5mm OD/2.5mm ID Barrel, Center Positive
External Switching Power Supply 90-230VAC/35W
Physical
Main Chassis
Package Type 13U - steel chassis
Dimensions 19(W) X 1.75(H) X 7(D) inches
Weight 7.0lbs
As a commitment to constant improvement, PreSonus Audio Electronics, Inc. reserves the right to change any specification stated herein at any time in the future without notification.
DigiMax FS Hookup DiagramDigiMax FS AdMonitoring with the FireStudio, HP60 and DigiMax FS
Operations Manual