Description
Hello. I am offering a pair of the Classic Audiophile Sennheiser HD 420 SL Open Back Headphones, from around 1985. Lightweight and transportable, but not suitable for Portable use, due to their Open-back design, high 600 Ohm Impedance and relatively Low Sensitivity of 94Db at 1mW. They will shine with a Good, powerful Desktop Amp, as they require a generous Voltage swing and decent Current capability. Given what they need, these will rival or even surpass many modern designs and they are surprisingly capable in terms of Dynamics, Overall Detail and Soundstaging, with an especially Rich Midrange Reproduction. Please read detailed description regarding condition above. Notice to Zero Feedback buyers: Due to Time-wasters and attempted Fraudsters, I will cancel any purchase without previous contact and agreement! Notice #2: Questions about Your Best or Minimum Price will not be answered. Delivery Costs via Recorded and Tracked Mail: Europe (inc. UK, Switzerland): €16 Rest of the World: €26 Further Information: The Sennheiser HD 420 SL is an open on-ear dynamic headphone produced around 1985. Originally priced at approximately ?55 (-) in the 1980s, adjusting for inflation, it would be equivalent to around ?98 (-) today.Characteristics: The HD 420 SL features a supra-aural design with flat, round driver housings, dull yellow/orange ear pads, and a wide plastic headband. It has a 600 ohm impedance, making it suitable for use with high-quality amplifiers. Sound Quality: Reviews and user experiences suggest that the HD 420 SL has a warm, detailed sound with good bass response. Some users have reported that it edges out similar headphones, such as the AKG K240, in terms of detail, bass, and soundstage. However, the ear pads may require cleaning or replacement to achieve optimal sound quality. Maintenance and Upgrades: Users have reported issues with the foam inserts in the ear pads deteriorating over time, affecting sound quality. Replacing these pads with new ones or cleaning them thoroughly can improve performance. Additionally, some users have successfully modified their HD 420 SLs with pads from other Sennheiser models, such as the HD 424.Availability The Sennheiser HD 420 SL is a vintage headphone, and new units are no longer available from the manufacturer. However, used and refurbished models can be found on online marketplaces and auction sites. Some sellers offer replacement ear pads and audio cables specifically designed for the HD 420 SL.Conclusion: The Sennheiser HD 420 SL is a unique and sought-after vintage headphone known for its warm, detailed sound and comfortable design. While it may require maintenance and upgrading, enthusiasts and audiophiles may appreciate its distinctive character and nostalgic value. https://www.head-fi.org/members/rocksteady65.124498/ https://www.ukaudiomart.com/userads.php?user_id=61260 https://www.manualslib.com/manual/345482/Sennheiser-Hd-420-Sl.html https://diyaudioheaven.wordpress.com/headphones/measurements/brands-s-se/hd420-sl/ https://www.muzines.co.uk/articles/sennheiser-sl-range-headphones/6397 https://www.reddit.com/r/headphones/comments/rdp7qx/gave_new_life_to_my_sennheiser_hd_420_sl/ https://www.head-fi.org/threads/sennheiser-hd-420-sl.4917/ Any questions, feel free to ask. I will accept Bank Transfer in Euros gladly, and in fact I would prefer it whenever possible. It is a free service within the Euro Zone. Thank you for looking!
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