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SPL Madison - 16+16 Channel MADI Interface  From SPL

The Most Analog Digital Converter.



"Experience the Difference"

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Manufacturer's Description from SPL

The SPL Madison offers the pure SPL analog sound for every MADI equipped digital console, audio router and PC MADI card.

With 16 input and 16 output channels in a single rack space, the Madison combines state of the art signal conversion with highly reliable clock and MADI processing. And as a true SPL unit it is simple to operate, easy to expand and, of course, an awesome sounding conversion system.

Special Features

  • 16 AD and 16 DA converters in 1U
  • Superb sounding converters with a sophisticated analog section on 36 V audio rails
  • +24 dBu professional output level
  • Best price/performance value
  • Up to 64 I/Os on 1 MADI port (4 units)
  • Latency neutral MADI chaining
  • 44.1 to 192 kHz, ±10% vari-speed
  • SPL clock-shop for jitter-free operation
  • Ultra-compatible, always operational MADI IO with ultra low conversion latencies
  • Four directly selectable reference levels: 15/18/22/24
  • Simple operation and setup right from the front panel controls
  • Ergonomic, distance-readable meters for clear level status indication of any I/O channel
  • Fanless, absolutely silent low-power design (max. 30 W)
  • Redundant power supply optionally
  • Four analog, 8-channel multicore DB 25 sockets (TASCAM industry standard)
  • Made in Germany

About Manufacturer

Sound Performance Labs! Full Range of Analog, Tube, and Digital rack gear with an innovative twist. With their most famous transient designer product, SPL has quickly become a household name in both the recording and live sound arenas.


Converter and Connections

  • Resolution: 24 Bit
  • Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz
  • Varispeed: ±12.5% in 56 CH mode, -12,5% in 64 CH mode
  • Reference Levels/Inputs: 24dBu max, selectable 22dBu, 18dBu, 15dBu
  • Reference Levels/Outputs: 24dBu max, selectable 22dBu, 18dBu, 15dBu
  • Clock: Internal clock circuitry from SPL, Wordclock or MADI
  • Expandability: 4 units via MADI chain for 64 channels
  • Wordclock: Input 75 ohms, terminated impedance
  • Wordclock Level: Input TTL/CMOS5/CMOS3; Output 3.3Vtt
  • MADI channels@44,1 & 48kHz: 56/64ch
  • MADI channels@2x 44,1 & 48K: 28/32ch
  • MADI channels@4x 44,1 & 48K: 14/16ch
  • MADI formats@2x 44,1 & 48K, 4x 44,1 & 48kHz: SMUX/HighSpeed
  • Audio Inputs   
  • 16 analog, balanced inputs, DB25/Tascam
  • MADI optical digital input (up to 64 channels)
  • Audio Outputs   
  • 16 analog, balanced outputs, DB25/Tascam
  • MADI optical digital output (up to 64 channels)

Analog Inputs/Measurements

  • S/N: 115dB (A-weighted, 48kHz)
  • Dynamic Range: 115dB (-60dBfs, A-weighted, 48kHz)
  • S/(N+D): 102dB ( -1 dBfs, 48kHz)
  • Interchannel Isolation: 110dB (48kHz)
  • Passband Response: 22kHz (-0.02dB, 48kHz)
  • Passband Ripple: +/- 0.005dB (Decimation-LPF, 48kHz)
  • Stopband Attenuation: 100dB (Decimation-LPF, 48kHz)

Analog Outputs/Measurements

  • S/N: 115dB (A-weighted, 48kHz)
  • Dynamic Range: 115dB (-60dBfs, A-weighted, 48kHz)
  • S/(N+D): 100dB (-1dBfs, 48kHz)
  • Interchannel Isolation: 110dB (48kHz)
  • Passband Response: 21.8kHz (-0.04dB, 48kHz)
  • Passband Ripple: +/- 0.06dB (Digital Filter, 48kHz)
  • Stopband Attenuation: 70dB (Digital Filter, 48kHz)

Rear Connections

  • 1 IEC power connector
  • USB Type A socket (no audio, firmware updates only)
  • Wordclock input via BNC socket with Termination switch
  • Wordclock output via BNC socket with Termination switch
  • MADI optical input, Type SC
  • MADI optical output, Type SC
  • 2 x DB25 8-channel analog inputs (Tascam)
  • 2 x DB25 8-channel analog outputs (Tascam)

Power Supply, BTU, Dimensions & Weight

  • Power Supply: Switchmode, 90-264 V AC, 50/60 Hz, 35W max.
  • Thermal Units: 65 BTU/h typ., 110 BTU/h max.
  • Dimensions (HxWxD, mm): 44 x 482 x 260 (without sockets D=240)
  • Dimensions (HxWxD, inch): 1,7 x 19 x 10,2 (without sockets D=9,4)
  • Weight kg: 3,05 (3,17 with 2nd Power Supply)
  • Weight lbs: 6,72 (6,99 with 2nd Power Supply)
  • Note: 0dBu = 0,775V. Technical specifications subject to change without notice.