Features & Applications
Features
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Applications
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Detailed Description F48S
F48S is a line-level loudspeaker management controller with four analogue inputs and eight analogue outputs. The inputs and outputs can be switched in pairs between analogue and AES/EBU operation. Mix-matrix routing, free routing and predefined configurations allow the processing architecture to be adapted to a multi-way loudspeaker system.
Signal processing and routing
Each input provides a soft-knee compressor, eight bands of parametric EQ, a 28-band graphic equaliser and three bands of dynamic EQ. High-pass filtering up to 24 dB/octave, gain, polarity and delay up to 1.3 seconds provide further control before the signal enters the routing matrix.
Every output has sixteen parametric EQ bands, crossover filtering up to 48 dB/octave, gain, polarity and delay up to 1.3 seconds. PXL limiting uses the manufacturer’s Predictive eXcursion Limiter algorithm for loudspeaker power control. Flexible channel linking supports common crossover arrangements and customised configurations.
Control and documentation
The front panel provides input/output mute, parameter editing and preset recall. FATWARE adds Ethernet-based control for PC, Mac and iPad, offline system design and preset-library management. Published control interfaces are 100 Mbit/s Ethernet and USB Type B, with up to 30 stored presets. FFA supplies the F48S datasheet through its archive; it remains the reference for this model’s processing, performance and connections.
Explore Full Fat Audio controllers at B-Star and the Full Fat Audio range. Manufacturer references: Manufacturer brochure / overview (PDF page 1), Manufacturer datasheet (PDF page 2).
Technical Specifications F48S
CONNECTIONS |
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| ANALOGUE INPUTS | 4 electronically balanced inputs |
| INPUT CMRR | >60 dB at 1 kHz |
| MAXIMUM ANALOGUE INPUT LEVEL | >20 dBu |
| ANALOGUE INPUT IMPEDANCE | 10 kΩ, balanced |
| AES INPUTS | 2 × 2 channels, transformer balanced |
| AES INPUT SAMPLE RATES (SPECIFICATION TABLE) | 48–96 kHz |
| AES SAMPLE-RATE CONVERSION (OVERVIEW) | 24–96 kHz |
| AES INPUT SIGNAL-TO-NOISE RATIO | 140 dB |
| AES INPUT IMPEDANCE | 110 Ω |
| ANALOGUE OUTPUTS | 8 electronically balanced outputs |
| MAXIMUM ANALOGUE OUTPUT LEVEL | >20 dBu |
| ANALOGUE OUTPUT SOURCE IMPEDANCE | <60 Ω |
| AES OUTPUTS | 4 × 2 channels, transformer balanced |
| AES OUTPUT SAMPLE RATE | 96 kHz |
| AES OUTPUT SOURCE IMPEDANCE | 110 Ω |
| DIGITAL I/O SELECTION | Analogue or AES/EBU, software-switchable in channel pairs |
INPUT DSP |
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| PROCESSING SAMPLE RATE | 96 kHz |
| COMPRESSOR | Soft-knee compressor per input |
| PARAMETRIC EQ | 8 bands per input |
| GRAPHIC EQ | 28 bands per input |
| DYNAMIC EQ | 3 bands per input |
| HIGH-PASS FILTER | Up to 24 dB/octave |
| OTHER INPUT FUNCTIONS | Gain and polarity |
| INPUT DELAY | Up to 1.3 seconds |
ROUTING AND OUTPUT DSP |
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| ROUTING MODES | Mix matrix, free routing and preset configurations |
| PRESET ROUTING CONFIGURATIONS | 2 × 4; 4 × 2; 1 × 8; 2 × 3 + 2 |
| CHANNEL LINKING | Flexible links for common or customised loudspeaker configurations |
| OUTPUT PARAMETRIC EQ | 16 bands per output |
| CROSSOVER FILTERS | Up to 48 dB/octave |
| OTHER OUTPUT FUNCTIONS | Gain and polarity |
| OUTPUT DELAY | Up to 1.3 seconds |
| OUTPUT LIMITING | PXL — Predictive eXcursion Limiter |
AUDIO PERFORMANCE |
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| FREQUENCY RESPONSE | 20 Hz–20 kHz, ±0.4 dB |
| DYNAMIC RANGE, ANALOGUE INPUT TO OUTPUT | >115 dB, unweighted |
| THD+N AT −10 DB, 1 KHZ | 0.0013% |
| LATENCY, ANALOGUE INPUT TO OUTPUT AT 96 KHZ | 1.278 ms |
CONTROL |
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| CONTROL SOFTWARE | FATWARE for PC, Mac and iPad |
| NETWORK CONTROL | 100 Mbit/s Ethernet |
| USB INTERFACE | USB Type B |
| REMOTE FUNCTIONS | DSP control, routing, multi-device configuration, offline system design and preset libraries |
| PRESET STORAGE | Up to 30 for offline recall |
| FRONT-PANEL FUNCTIONS | Input/output mute, parameter editing and preset recall |
MAINS POWER |
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| SUPPLY VOLTAGE | 90–250 V AC |
| MAINS FREQUENCY | 50–60 Hz |
| POWER CONSUMPTION | <40 W |
MECHANICAL |
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| DIMENSIONS, AS PUBLISHED | 44 × 213 × 482 mm |
| DIMENSIONS, IMPERIAL | 1.75 × 8.4 × 19 inches |
| NET WEIGHT | 3.2 kg |
| SHIPPING WEIGHT | 3.9 kg |
The overview states AES sample-rate conversion of 24–96 kHz; the technical table gives AES input sample rates of 48–96 kHz. Both published statements are identified separately.
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