The KOSS Professional Stereophones Stereo Headphones from the 1970s, model HV/1A, are classic over-the-ear headphones designed for studio monitoring. With a brown color and wired technology, these headphones offer a vintage look and feel. The headband form factor, stereo sound quality, and brand reputation of Koss make these headphones a desirable choice for audio professionals and vintage electronics enthusiasts looking for a piece of audio history.
Item Tag: Studio Monitoring
Vintage 1960s Sony DR-3C Stereo Headset Headphones Japan MCM Retro Mid-Century
Country of Manufacture: Japan [NICE 1960’s Sony Stereo Headset Headphones Model DR-3C Japan Tested Working]. Era: 1960s (Introduced 1964) [🎧, geraldine.hifi].
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Vintage Koss K/2+2 Quadrafone 4-Channel Headphones COMPLETE WITH CASE & MANUALS
Up for sale is a remarkably well-preserved piece of 1970s audio history: a complete Koss K/2+2 Quadrafone 4-Channel Headphone system. This is a true time-capsule find, perfect for vintage audiophiles, retro tech collectors, or anyone building out a classic quadraphonic stereo setup. What’s Included: Koss K/2+2 Quadrafone Headphones: Features the original dual 1/4-inch audio plugs and the integrated 2-channel/4-channel selector switch. Original Koss Hard-Shell Carrying Case: Includes the original internal egg-crate foam protection in great shape. Original Printed Manuals & Literature: Includes the original “4 Channel Quadrafone” manual and Koss stereo booklet.
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Koss ESP-9 Electrostatic Stereo Over-Ear Headphones w/ E/9 Energizer 1970s
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JVC Hi-Fi 4 Channel Headphones Model 5944 Vintage Black Chrome 8 Ohms Wired
• Impedance: 8 ohms per unit. These headphones are a cool piece of audio history. • Type: Moving coil, 4-channel. • Cord: 2m parallel cord with 3-pole plugs (two 1/4” plugs for front/rear channels). Great for monitoring, listening to quad mixes, or as a conversation piece in your setup.
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KOSS Professional Stereophones Stereo Headphones 1970s HV/1A Needs New Pads
KOSS Professional Stereophones Stereo Headphones 1970s HV/1A Needs New Pads. Condition is Used. Shipped with USPS Ground Advantage.
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I like to box the best. Pads need to be reglued. Untested.
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Realistic Pro 50 Headphones, Missing a badge, but tested and working
A nice pair of Realistic Pro 50, which is a rebadge of the AKG K250. I fixed the elastic headband adjustment so they won’t sag when you try to put them on. They are a bit rough around the edges, and they are missing a badge, but they are functionally sound and look nice cosmetically.