A440, also known as Stuttgart pitch, is the musical pitch corresponding to an audio frequency of 440 Hz. This pitch standard is crucial for tuning musical instruments, particularly the note A above ...

I’ve spent the last week listening to out-of-tune music. Or maybe I’ve been listening to out-of-tune music all my life without realizing it. Yes, it’s possible. A small cadre of disgruntled listeners ...

The tuner part of the Studio Series Tapo features a 36 mm long, 21 mm high (1.4 x 0.8 in) LCD display with LED backlights that show red when your string needs some attention, and a cheerful green when ...

[Willem Koopman aka Secretbatcave] was looking at a master clock he has in his collection which was quite a noisy device, but wanted to use the matching solenoid slave clock mechanism he had to hand.