Syntor XX Power Supply Question

Terry_Glover · Post by **Terry_Glover** » Sat Sep 30, 2006 5:35 pm

I've just received a SyntorXX 110 watt VHF radio that I want to set-up as a base for awhile. I don't have any documentation for the radio, so I don't know how much current this thing draws when transmitting. The guy I bought it from said it's actually putting out 108 watts.

Question;

How many amps does my power supply need to put out in order to run this radio? I have a 20 amp Astron power supply, but I doubt that's enough, or is it?

dbrock411 · Post by **dbrock411** » Sat Sep 30, 2006 6:19 pm

Mine pull about 25 watts on transmit with 100 watt output set if I remember correctly.

W6JK · Post by **W6JK** » Sat Sep 30, 2006 7:08 pm

dbrock411 wrote:Mine pull about 25 watts on transmit with 100 watt output set if I remember correctly.

Soo... The efficiency is 400%!?!

Tom in D.C. · Post by **Tom in D.C.** » Sat Sep 30, 2006 7:45 pm

I think he meant to say 25 amps.

Terry_Glover · Post by **Terry_Glover** » Sat Sep 30, 2006 7:47 pm

LOL... I'm sure he meant 25 <b>AMPS</b>.

Also, does the 110 watt model use the same cable assembly as the 40 watt SyntorXX, or does the 110 require a different, possibly heavier, cable set?

I have a complete 40 watt model with cable, control head, mic & etc. I got the drawer only with the 110 watt model and am hoping the cable assembly is interchangeable between the two radios.

Thank you.

phrawg · Post by **phrawg** » Sat Sep 30, 2006 8:22 pm

it is the same except for the gauge of the heavy red wire
that goes to the battery for pa supply.

kb0nly · Post by **kb0nly** » Sat Sep 30, 2006 8:58 pm

If your supply cable length will be short then don't worry about using the low power cable for it. Just keep the lengths reasonable and you will be ok. You have to remember that on the high power units they went with the higher gauge wire because of the lengths that would normally be seen in a mobile installation, from underhood to the trunk, etc.

dbrock411 · Post by **dbrock411** » Sun Oct 01, 2006 5:22 am

I'm glad to see that I was the only one asleep at the wheel last night - you're absolutely right, I meant to say 25 amps, not watts.....watt was I thinking?

thebigphish · Post by **thebigphish** » Sun Oct 01, 2006 9:29 am

...and the elusive Syntor XX model again!

Mike B · Post by **Mike B** » Mon Oct 02, 2006 9:15 am

Since the original Syntor all the Syntor series (X / X9K / X9KE) red/black radio cables had “high power” 8 gage wiring no matter what the power of the radio drawer was. However, the earlier Micor series used the same type of cables as the original Syntor. Since the Micor had different power wire gages for low-medium and high power radio drawers you had to be careful to select the correct wiring gage when using one of the older Micor cables on an original Syntor radio drawer.

The Syntor X 9000 Siren/PA uses smaller gage red/black power wires, but this cable should not work if you try and use it as the radio cable because of the wiring differences.

When you think about it, it was probably not very smart to build and stock different radio drawer cables just too save a few pennies on the wire gage. Motorola's mark up margins were generous, so it was the customer paying anyway. Its an ongoing cost to manufacture different builds, make different parts and maintain different inventories for what could have been all the same part. I guess they got smart when the Syntor was designed.

Terry_Glover · Post by **Terry_Glover** » Wed Oct 04, 2006 1:25 am

Thank all of you for the responses, it's appreciated.

wa2zdy · Post by **wa2zdy** » Wed Oct 04, 2006 11:10 am

The manual says the T73 draws 28A key down.