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Gentlemen, I have 2 questions: 1. Does anybody know how to test unknown panel meter to determine what the rating or capacity of the meter is? To see whether it's a 200uA, 100uA, 1A, etc.... I remember back a while ago, I found a diagram on the Internet which was basically wiring up a...

Good Sunday Morning. I am being sent a "Little Red Hooker 250" amp. Attached is a photo. Does anyone know anything about these? What type of transistors it has and how many? I currently have a Galaxy 225 with 2x SD1446 and this looks to be the same as any other 2x 1446 transistor amp, but...

Hello Guys (& Ladies), Some help with this issue will be mucho appreciated. I got a good offer to buy a variation of the TPL UHF amplifier PA6-1AC. The unit label says 400-512MHz with a sticker on the other side saying pretuned for 403MHz to 423MHz. Below is the basic specification for the...

Hi guys you like I have a cobra 29 that I am playing around with, and doing different modifications on, hoping to learn a little bit more about them. I have so far burnt quite a few parts anf have been able to repair it over and over. BACKGROUND INFO: I had already done a variable...