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I found an old DIY amplifier that I would like to use, but I ran into a problem: I don't know what kind of connector it has. I know for sure that this device is an amplifier, since I once used it and I even vaguely remember the appearance of the connector (it looked like a jack), but about 10 years have passed, and I can’t remember more.

I remembered that the connectors for this amplifier were short (like jack 2.5) and only with 2 pins (TS). Unfortunately, I don’t have 2.5 connectors on my hands, but it looks like they need more than 2.5 sizes. The 3.5 connector is only slightly larger than the connector on amplifer.

I was surprised by the connectors on the front panel - they are wider than the 3.5 jack (it dangles there), besides, they are too shallow for 3.5 and do not fix the plug. I don't need them, but it would be interesting to find out about them too.

Does anyone have any suggestions what kind of connectors there might be? photos of incomprehensible connectors photos of incomprehensible connectors photos of incomprehensible connectors

photos of incomprehensible connectors

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  • \$\begingroup\$ It looks like a 2.5 mm jack. These were popular on older earpieces. Check with a 2.5 mm drill bit. \$\endgroup\$ – Transistor Apr 2 at 22:16

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