![Archimago's Musings: RETRO: Beyerdynamic DT 990, 600Ω, classic open-back circumaural headphones (circa 1991). Archimago's Musings: RETRO: Beyerdynamic DT 990, 600Ω, classic open-back circumaural headphones (circa 1991).](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxmSVROnUIfNvU9TTLTkOsxLQ5UYGFwSYlGhsVOBVDLlCBcf4DXmL_EOPtAgs73FpPMxvwcBhwJ2Kfi0Ax_v--udNIC0S3BSD8XItdx9d5on8SDzL8RgMVqycbdszS-kv9WFDLzEcGSYtn1CiOdfvGFLBWLFloeFlW8SwmR37s9GaDH5I71I8aesuZ/s1700/Beyerdynamic%20DT%20990%20-%20Headphone%20with%20Original%20Box.jpg)
Archimago's Musings: RETRO: Beyerdynamic DT 990, 600Ω, classic open-back circumaural headphones (circa 1991).
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beyerdynamic DT 990 PRO Ear Studio Monitor Headphones 250 OHM Limited Edition - Black : Amazon.com.au: Electronics
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Beyerdynamic DT990 PRO Open Studio Headphones LTD Edition Black & 80ohms | Studio / Monitoring Headphones - Store DJ
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Beyerdynamic DT990 PRO Open Studio Headphones (250ohms) | Studio / Monitoring Headphones - Mannys Music // Mannys Music
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beyerdynamic BD483958 DT 990 Edition 32 Ohm Hi-Fi Headphone, Black/Blue (483958) : Amazon.com.au: Electronics
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