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Handy Andy, Which one is the TDA1905 chip ?

Any idea regarding this ?

By the way, Is this a first generation HR2510 ? A modification was made by the previous owner. Do you have any idea of the modification ? See pictures.

It has a bad audio chip.

I used another speaker and sounds the same

Thanks Andy. I’ll verify that.

Hi. I have a President HR2510 with a 5 pin microphone. RX audio is ok with volume at 9:00 am position. When I turn volume past 9:00, audio begin to get distorted and garbled. The more you turn the volume up, the more distorted it gets. What can be the problem ?

I want something to set up with a radio to receives a signal, records it and then activates the ptt on the radio and plays it back over the air

I have a 1999 Montero Sport SUV. I plan to go to a keydown competition next July. I plan to use a 4 pill amp ( 1,200w pep ) with a Motor Maul and a 102” whip. Since I am not using an antenna puck ( don’t want make a hole on the roof ) I will be using a magnetic mount with a heavy ground strap...

Hi. I am in search of a “ parrot” box for a Cobra CB radio. I think it’s official name is simplex repeater. When someone transmit on a channel where this “ parrot “ is connected, it repeats exactly what you say. It has some kind of a recording device. It can records several seconds and then...

Thanks for your suggestion. I want a competition antenna as norrowbanded as posible. I’ve read somewhere that a a narrow banded antenna tends to be more efficient than a wide banded one. Pending for your comments if this info is true.

I am going to run around 1 kw . I am going to use a motor maul with 4 batteries ( no space extra alternators ).

Anyone ?

Following the 5/8 GPE Sirio antenna instructions , it loaded fine on 27.185 . Here are some pictures for you to see. By the way, anyone here know the type of aluminum tubing used on this antenna ? According with the picture, how long is this antenna? Last picture is from the tip of the antenna...

Hi again Marconi. The link doesn’t open al all. Can you post it again ? By the way, it is not the Larry 150. It looks almost like the one I mentioned, the Sirio 5/8 GPE.

I’ve done a search on Google and found out that this antenna is very similar like a Sirio 5/8 GPE.

Probably it is a CB antenna. For sure can be used on 10 and 11 meters. If there was enough aluminum tubing, maybe 12 meters

Marconi, help with this antenna !!!!

Here is another pic

That is the idea. I will only use the 102” whip for competition. After competition, I’ll replace the antenna for a base load Striker antenna. I’ll take the paint off to make sure there will be a good ground. I’ll only compete on a four pill category with only one antenna. Of course I won’t...