Historical clue formulations

• Start to type? — 2026-08-27
• What headphones often play in — 2026-07-30
• One might play at home — 2026-02-28
• Non-mono, say — 2025-05-13
• Music player — 2025-03-03
• Sound system — 2025-01-06
• Multispeaker system — 2024-07-03
• Coming from both sides — 2024-05-19
• Home theater installation — 2024-03-01
• House speaker's place — 2024-02-10
• Sound upgrade from mono — 2022-12-27
• Sound investment — 2022-12-03
• Sound system — 2022-08-08
• "Fantasia" was the first commercial film shown in it — 2022-01-27
• System that might include a turntable — 2022-01-12
• Something a couple of speakers can provide — 2021-07-20
• Binaural — 2021-05-05
• Sound system — 2020-06-22
• Coming from two speakers — 2020-05-03
• Something no single speaker provides — 2019-12-26
• Lead-in to -scope — 2019-12-06
• Like binaural audio — 2019-11-10
• Playing on both sides — 2019-10-06
• Start to type? — 2019-08-04
• What no single speaker is capable of — 2019-07-14
• Two-channel — 2018-12-12
• Typical intro? — 2018-06-03
• Standard equipment on most cars — 2018-01-17
• Half of quadraphonic — 2017-11-29
• What plays to both sides? — 2017-11-23
• Coming from two speakers — 2017-06-26
• Lead-in to phonic — 2017-06-18
• Not one-sided, in a way — 2016-09-03
• Standard auto feature — 2016-08-04
• Dual-channel — 2016-06-19
• From both sides, in a way — 2016-06-05
• Non-mono, say — 2016-04-12
• Binaural — 2016-04-06
• Two-channel — 2014-07-20
• What an iPod plays in — 2014-03-16
• LP introduction of 1957 — 2013-11-20
• Most music is played in it — 2013-07-24
• Two-channel — 2013-04-23
• House of the speaker? — 2012-12-23
• Den system — 2012-12-19
• Dual-track, in a way — 2012-04-17
• It has left and right channels — 2012-01-13
• Word on many LPs — 2011-04-06
• Not mono — 2010-09-28
• Quadraphonic halved — 2010-06-15