Cosecant

Name: Wavelength Audio Cosecant
Brand: Wavelength Audio

Wavelength Audio

Cosecant Series2003 – Present

DigitalDACsDiscontinued

Estimated price (community-sourced)

$1,159

Around — community and catalog average, updates slowly

About the Cosecant

The Cosecant is a USB digital-to-analog converter with a vacuum-tube output stage and a separate linear power supply. The original model uses a 6GM8/ECC86 tube in a parallel-feed, transformer-coupled output circuit. Its USB interface supports 16-bit audio at 32, 44.1, and 48 kHz; later Cosecant versions and configurations offered different DAC modules and higher-resolution support, so specifications vary by version. The manufacturer describes the Cosecant as an early product in its USB DAC line.

Specifications

Type: USB digital-to-analog converter (DAC); Output stage: 6GM8/ECC86 vacuum tube, parallel-feed transformer-coupled; Power supply: Separate linear supply; USB formats (original version): 16-bit, 32/44.1/48 kHz; Frequency response (reported): 5 Hz–20 kHz; Output voltage (reported): 2.5–2.75 V AC, depending on tube; Dimensions (reported): 6.5 × 6.5 × 5 in (W × D × H). Specifications vary by version.

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Pairs with

Components that show up alongside the Cosecant in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.

Convergent Audio Technology JL5HPA

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