Prism Sound Lyra 1 USB Audio Interface

BH #PRLYRA1UAUDI • MFR #LYRA-1 USB AUDIO INTERFACE
Prism Sound Lyra 1 USB Audio Interface
Key Features
  • Class-Compliant USB 2.0 Interface
  • Up to 24-Bit / 192 kHz Resolution
  • 1 x XLR Input with Phantom Power
  • 1 x 1/4" Instrument Input
The Prism Sound Lyra 1 is a USB audio interface designed to deliver reliable precision and high-resolution audio I/O for musicians, vocalists, songwriters, and audio engineers in home, project, and mobile studios. Its stable clock allows operation at up to 24-bit / 192 kHz resolution with high jitter rejection. With latency as low as 0.08 ms, it is well suited for recording, overdubbing, and even send-and-return routing.
Special Order
Expected availability: 7-14 business days
$2,075.00

Important Notice

  • This item is noncancelable and nonreturnable.

Prism Sound Lyra 1 USB Audio Interface

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Prism Sound Lyra 1 Overview

  • 1Description
  • 2Signal Path
  • 3Verifile Technology
  • 4Reliable Quality
  • 5USB 2.0 Compatibility
  • 6Flexible I/O
  • 7Low-Latency Digital Mixer
  • 8Sample Rate Conversion & Noise Shaping
  • 9Stable Clocking

The Prism Sound Lyra 1 is a USB audio interface designed to deliver reliable precision and high-resolution audio I/O for musicians, vocalists, songwriters, and audio engineers in home, project, and mobile studios. Its stable clock allows operation at up to 24-bit / 192 kHz resolution with high jitter rejection. With latency as low as 0.08 ms, it is well suited for recording, overdubbing, and even send-and-return routing.

Line, instrument, or microphone sources can be connected via the stereo 1/4" TRS inputs, 1/4" instrument input, and XLR 3-pin input. Phantom power is selectable as are the input pads and built-in limiters. The stereo 1/4" line outputs are ideal for connection to speakers while the front-panel 1/4" jack offers dedicated level and mix controls for independent headphone monitoring. Additionally, TOSLINK optical I/O ports allow easy hook-up of S/PDIF digital equipment.

The Lyra 1 is compatible with Mac OS X and Windows systems via its Class-Compliant USB 2.0 connectivity. An IEC power cable and USB cable are included.

 

Signal Path

Analog and digital input channels are available as inputs for your audio workstation software through the host computer's audio driver. Similarly, analog and digital outputs and stereo headphone outputs can be played independently. For low-latency monitoring to headphone or main outputs, each output pair can optionally be driven from the built-in DSP mixer with an individual local mix of any selection of inputs through the controller applet. All analog inputs are electronically balanced with automatic unbalanced operation. Analog outputs are electronically balanced with bootstrapping (level is maintained if one leg is grounded).

Verifile Technology

Verifile is a radical new proprietary technology exclusive to Prism Sound which allows computer audio streams and recorded files to be quickly checked for a wide range of clicks, errors and dropouts, without any compromise in the audio content or any additional metadata. Verifile is a fragile steganographic process, which embeds derivative data within the dither of the ADC, containing a rolling hash code which allows the audio data to be thoroughly and continuously checked. Recovery of this data from the audio stream or file enables verification that the stream or file contains exactly the audio data that was produced by the ADC at the time of recording. Any incorrect samples, missing or repeated audio segments or any other audio errors in the resulting files can be reliably detected, providing complete confidence that the recorded file is error-free. Processing such as EQ, level changes, additional re-dithering, or sample-rate conversion done to a Verifile recording will result in a failure to decode the rolling hash code in the dither and hence indicate that the recording is not an original.

Reliable Quality

Prism Sound uses precise software calibration techniques in its converters to avoid the unreliability of pots and tweaks. Minimizing noise, interference, and hum was a priority in the design. All the analog circuits have galvanic isolation, while the unit's electronically balanced I/O allows it to handle common mode interference sources and trouble-free connection to unbalanced equipment.

USB 2.0 Compatibility

The Lyra 1 is easy to connect to your computer and to your outboard gear. For both Mac and Windows platforms, there is a controller application to configure the unit and control its built-in mixer and various functions. Aside from the monitor and headphone level controls, everything else is operated solely from the Lyra controller application. The controller software opens on-screen as a separate panel alongside your existing editing software. Since the Lyra 1 is UAC2 compliant, it will also work in recent Linux and Android builds, although no control panel is provided.

Flexible I/O

Utilizing the same mic amps as Orpheus, the Lyra offers software-controlled gain in 1 dB steps, switchable phantom power, a 20 dB pad, and low noise and distortion. The inputs are auto-sensing with software override. Channel one can be instrument or line while channel two can be microphone or line. Analog inputs have individually-selectable Prism Sound Overkiller peak limiters built in—just as on the ADA-8XR and Orpheus—to catch those fast transients. The Overkiller threshold automatically follows the operating line-level selection (+4 dBu or -10 dBV). Overkillers are ideal for percussive sounds, particularly drums, where headroom can be a problem.

Low-Latency Digital Mixer

A built-in digital mixer can be configured from the host computer to provide foldback feeds to performers, each with their own stereo mix of workstation playback and any of the inputs. This provides console quality local mixing—each output has its own independent mixer, with channel strips for all inputs and workstation feeds, complete with fader, pan/balance pot, solo and mute buttons, and full metering. Strips can be stereo or mono, and the mixes are dithered with filtered coefficients, just as in a top-end digital mixer. With the Prism Sound DSP mixer, the latency is as low as 0.08 ms at a 192 kHz sampling rate.

Sample Rate Conversion & Noise Shaping

Sample rate conversion on the digital input enables use of any standard input sample rate between 44.1 kHz and 192 kHz. The digital output is equipped with the four Prism Sound SNS noise-shaping curves, allowing you to reduce to 16-bits for CD at mastering-house quality.

Stable Clocking

State-of-the-art clock generation with proprietary hybrid 2-stage DPLL keeps jitter to a minimum. The sample rate can be sourced from the local clock or via the S/PDIF input stream.
UPC: 669014270887

Prism Sound Lyra 1 Specs

Interface
Max Sample Rate/Resolution192 kHz / 24-Bit
Number of Mic Preamps2
PadMic: -20 dB
Hi-Z: -18 dB
High-Pass FilterLine Input:
80 Hz, 12 dB/Octave (-3 dB, on 2 Channels)
Connectivity
Host Connection1 x USB Type-B
Analog I/O1 x XLR 3-Pin Balanced Mic Input
1 x 1/4" TS Unbalanced Hi-Z Input
2 x 1/4" TRS Balanced/Unbalanced Line Input
2 x 1/4" TRS Balanced/Unbalanced Line Output
1 x 1/4" TRS Unbalanced Headphone Output
Phantom Power+48 V, Selectable On/Off
Digital I/O1 x TOSLINK S/PDIF Input
1 x TOSLINK S/PDIF Output
MIDI I/ONone
Performance
Gain/Trim RangeMic Inputs:
+10 dB to +65 dB (in 1 dB Steps)
Hi-Z Inputs:
+10 dB to +65 dB (in 1 dB Steps)
Dynamic RangeLine Inputs:
116 dB (-60 dBFS )
Analog Outputs:
115 dB (-60 dBFS )
Sample Rate Converter:
138 dB (-60 dBFS )
ImpedanceLine Inputs:
14.5 Kilohms
Mic Inputs:
5.5 Kilohms
Hi-Z Inputs:
1 Megohm
Outputs:
100 Ohms (Balanced)
50 Ohms (Unbalanced)
THD+NLine Inputs:
-111 dB / 0.00028% (-0.1 dBFS)
Mic Inputs:
-108 dB / 0.0004% (+10 dB Gain, -0.1 dBFS)
Analog Outputs:
-106 dB / 0.0005% (-0.1 dBFS)
THDLine Inputs:
-117 dB / 0.00014% (-0.1 dBFS)
Mic Inputs:
-116 dB / 0.00016% (+10 dB Gain, -0.1 dBFS)
-110 dB / 0.00032% (+40 dB Gain, -0.1 dBFS)
Analog Outputs:
-107 dB / 0.00045% (-1 dBFS)
EINMic Inputs:
-128.5 dBu (0-Ohm Source, +30 dB Gain)
-126.3 dBu (150-Ohm Source, +30 dB Gain)
-130.9 dBu (0-Ohm Source, +40 dB Gain)
-127.6 dBu (150-Ohm Source, +40 dB Gain)
-131.2 dBu (0-Ohm Source, +50 dB Gain)
-127.7 dBu (150-Ohm Source, +50 dB Gain)
-131.4 dBu (0-Ohm Source, +60 dB Gain)
-127.8 dBu (150-Ohm Source, +60 dB Gain)
CMRRLine Inputs:
>70 dB (20 Hz to 20 kHz)
Mic Inputs:
>110 dB (50/60 Hz)
>100 dB (1 kHz)
>90 dB (20 kHz)
CrosstalkLine Inputs:
<-140 dB (1 kHz)
<-120 dB (20 Hz to 20 kHz)
Analog Outputs:
<-135 dB (1 kHz)
<-120 dB (20 Hz to 20 kHz)
Digital Audio
Sample RatesUp to 192 kHz
Sample Rate ConversionOn S/PDIF Input
Bit Depth24-Bit (A/D Conversion)
16 / 24-Bit (D/A Conversion)
Latency0.57 ms at 44.1 kHz
0.52 ms at 48 kHz
0.2 ms at 88.2 kHz
0.18 ms at 96 kHz
0.09 ms at 176.4 kHz
0.08 ms at 192 kHz
Sync SourcesInternal, S/PDIF
Word Clock
Accuracy: ±50 ppm
Jitter Suppression: >60 dB (above 100 Hz)
Compatibility
OS CompatibilitymacOS 10.5 or Later (Intel Only)
Windows Vista or Later (32-Bit, 64-Bit)
Supported Drivers/APICore Audio (Mac)
ASIO
Power
AC Input Power90 to 250 VAC, 50/60 Hz
Power Consumption15 W
Physical
Operating Humidity0 to 85%
Operating Temperature32 to 95°F / 0 to 35°C
Dimensions11.2 x 9.5 x 2" / 285 x 242 x 50 mm (with Feet)
Weight4.6 lb / 2.1 kg
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