Benchmark USA
Benchmark ADC1 USB
Best professional converter for capturing pristine, uncolored studio recordings.
The Benchmark ADC1 USB is a professional two-channel, 24-bit, 192-kHz analog-to-digital audio converter featuring a high-quality USB interface. It excels at delivering a stunningly faithful re-creation of your input signal, ensuring distortion-free output that captures previously masked audio detail. With simultaneous main outputs on XLR, BNC, and Toslink, supporting AES, S/PDIF, and ADAT formats, it offers versatile connectivity. An independent secondary output provides a reliable backup recording option. This converter is essential for uncolored, high-fidelity recording.
$1795.00
Owner Satisfaction
4.8
/ 5
Category Rank
34
/ 489
#34 in Audio Converters
Price vs Category Average
-59%
Below average
Conversion Resolution
24192
/ -bit, up to kHz PCM
Who it's for
- Mastering engineers requiring absolute sonic transparency and accuracy
- Digital audio professionals prioritizing rock-solid clock stability
- Studio owners needing reliable, professional-grade connectivity
Who should skip it
- Hobbyists and home studios operating on limited budgets
- Users seeking an all-in-one interface with integrated preamps
- Archivists requiring sample rates beyond 192 kHz
Performance breakdown
Signal Transparency
Captures every nuance with clinical, uncolored accuracy for professional mastering.
Jitter Suppression
Advanced clocking ensures rock-solid stability across all digital formats.
Connectivity Versatility
Simultaneous output options handle complex studio routing requirements with ease.
Dynamic Range
Industry-leading headroom preserves the integrity of your most demanding recordings.
Build Integrity
Rugged internal toroidal power supply built for years of continuous operation.
Redundancy Reliability
Dedicated secondary output provides essential peace of mind during critical sessions.
Key Specs
Conversion Resolution
24-bit, up to 192kHz PCM
Dynamic Range
> 120 dB A-Weighted
THD+N
< -110 dB (0.0003%)
Main Output Formats
XLR, BNC, Toslink (AES, S/PDIF, ADAT supported)
Secondary Output
44.1 or 48 kHz at 16 or 24-bit
Synchronization Sources
AES, S/PDIF, Word Clock, Super-clock
Form Factor
1 RU high, 1/2 Rack wide
Power Supply
Internal toroidal power supply with international voltage selection
Features
- Faithful signal re-creation for pristine audio
- Jitter-free performance across all modes
- Multiple simultaneous digital outputs
- Independent secondary output for backup
- Auto-detects various reference sources
- Internal toroidal power supply
- Half-rack width design for flexibility
- 24-bit, 192kHz conversion
What customers say
Users overwhelmingly praise the Benchmark ADC1 USB for its exceptional sonic accuracy and transparency. Professionals and audiophiles consistently highlight the conversion process as perfectly neutral, capturing the source without adding any coloration or noise. The unit's extremely low noise floor and robust build quality are frequently mentioned as key strengths for demanding studio work. While positioned in the premium market, the consensus is that the unparalleled performance fully justifies the cost, making it an essential, long-term investment. Its dedicated focus on best-in-class analog to digital conversion is viewed as a significant advantage, solidifying its reputation as a standard setter.
Know before you buy
Yes. The unit features an independent secondary output alongside the main outputs, allowing you to send a backup signal to a separate recording device while maintaining your primary digital stream.
The ADC1 USB provides 0.0 milliseconds of latency, ensuring that your analog signal is converted to digital in real-time without any delay in your monitoring chain.
The main outputs support AES, S/PDIF, and ADAT formats via XLR, BNC, and Toslink connections, providing high flexibility for integrating with various professional audio interfaces and consoles.
Its compact, half-rack width design makes it highly portable and easy to integrate into smaller racks or desktop setups without sacrificing professional-grade conversion quality.
The device is highly versatile, capable of syncing via AES, S/PDIF, Word Clock, or Super-clock, and it features auto-detection for various reference sources to ensure seamless integration into your existing studio clocking scheme.
The ADC1 USB supports high-fidelity PCM audio at a maximum resolution of 24-bit/192kHz, ensuring that you capture the full dynamic range and detail of your source material.
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