PreSonus DigiMax FS Eight Channel Mic Preamp with ADAT digital I/O
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 light pipe 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.
Superior Analogue Circuitry - XMAX Class A Preamplifiers
The DigiMax FS starts with eight custom-designed high-voltage, discrete, XMAX Class A microphone preamplifiers. PreSonus knows that the preamplifier is a key component in the sonic quality of a recording. The job of a microphone preamplifier is to boost microphone level signals to line level so that the signal can be converted from analogue 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. A cheap "off the shelf op-amp" type mic preamp that is found in many 8 channel preamps with digital output, translates into thin, noisy and harsh 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 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.
New Advanced Platform Technology - JetPLL
The synchronisation of the DigiMax FS is handled by patented JetPLLTM jitter reduction technology. JetPLLTM incorporates noise shaping to virtually remove all audio band jitter. JetPLLTM ensures the highest converter performance possible, resulting in better stereo separation and clearer more transparent audio. JetPLLTM delivers ultra-fast locking to any digital format, through a wide range of frequencies and is extremely robust, and tolerant of wide variations in clock frequencies. JetPLLTM ensures near perfect clock performance when networking audio devices thus creating the most stable and robust synchronisation to all devices.
Features
- 8 XMAX Class A microphone preamps w/ trim control
- 24-bit resolution, 44.1, 48, 88.2 and 96K sampling rate
- 96k ADAT input and output (dual SMUX)
- JetPLL jitter reduction technology for ultra tight synchronisation
- Direct outputs and inserts on every channel
- Word 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.
Specification
|
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 |
| Power |
| Input Voltage Range |
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 |
Inta Audio recommends the PreSonus DigiMax FS Mic Preamp by PreSonus
The PreSonus DigiMax FS Mic Preamp offers great value for money, features, build quality and reliability.
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