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President HR2510 audio mods | WorldwideDX Radio Forum
https://www.worldwidedx.com/threads/president-hr2510-audio-mods.259323/
President HR2510 audio mods. Thread starter 350GA; Start date Aug 27, 2020; 350GA Member. Oct 14, 2018 35 18 18 32. Aug 27, 2020 #1 Good afternoon everyone! I've been looking at the schematic for my President HR2510's off and on for a few weeks now, trying to figure out what capacitors I need to change to open up the transmit and receive audio ...
PRESIDENT LINCOLN (HR 2510) MODS
http://www.cbradio.nl/president/President_Lincoln_Bible.pdf
6 HR2510 Modification for increased MicGain This mod will increase the AM modulation. The AM modulation adjustment is VR114, which is marked >AMC= on the main circuit board. To get more, Q114 is the Mic Attenuator, This limits the audio.
President Lincoln / Uniden HR2510 Mods and fixes ...
https://www.normsweb.com/tektips/lincoln.shtml
Mod 1: The most simple mod is to solder a jump wire from the cathode of D312 to R389, however, this will not work on all radios. Mod 2: Cut the ground trace connected to pins 34 & 35 on IC315, jump pins 34 & 35 to the free end of Resistor pack RR301. Mod 3: Connect pins 34 & 35 of IC315 together. These mods are pretty simple, but if done wrong ...
mods.dk - Articles for Uniden 'HR2510'
https://www.mods.dk/index.php?ModelId=696
Modification / homebrew for Uniden hr2510: Uniden President Lincoln HR2510 "No RX audio" fix
RadioMods HR2510, HR2600, Lincoln Modification pages
https://www.radiomods.co.nz/hrmods.html
HR2510 Mods. This page has various modifications for the HR2510 / 2600 / Lincoln. The President Lincoln is also found under the name Uniden 2830 and in the United States and many non-European countries it was marketed as the President or Uniden HR2510 which has minor differences in the controls but otherwise operation is the same. There is also ...
Copper Talk: Mic Gain mod for HR2510\Lincoln
http://www.copperelectronics.com/discus4/messages/14/54446.html?1068384699
HR2510 Modification for increased MicGain. This mod will increase the AM modulation. The AM modulation adjustment is VR114, which is marked ‘AMC’ on the main circuit board. To get more, Q114 is the Mic Attenuator, This limits the audio. Q114 is located near the front of the circuit board in the center to the left of IC 104, above C153.
President HR2510 10 Meter AM / FM / SSB Review | CB Radio ...
https://cbradiomagazine.com/president-hr2510-10-meter-am-fm-ssb-review/
The audio on the HR2510 is pretty good on AM ( a power mike will really bring out the sound) but on SSB is really where these radios shine. They have a perfect sound on SSB – loud and clear. ... HR2510 Mods by Defpom – radiomods.co.nz page 1. HR2510 Mods by Defpom – radiomods.co.nz page 2. Rogerbird (another great tech) – HR2510 Mod ...
HR2510 Tips and Tricks - Internet Nebraska
https://jshorney.incolor.com/2510.htm
Rogerbird has a good mod on his web site to increase the overall gain of the audio stages, but I didn't think this was my problem. A sweep test of the audio chain from the collector of Q109 to the speaker showed an overall response of about 390 Hz to 2600 Hz. OK on the high end, but a little restricted on the low end.
HR2510 - RadioManual
http://www.radiomanual.info/schemi/Vari/President_HR-2510_user.pdf
disabled, but the receive audio is routed through the PA speaker. 9. NB Switch-Pressing this switch enables the built in noise blanker. The noise blanker in your HR 2510 isvery effective in eliminating interference generated by vehicle ignition systems. 3 4-. =]-----1 =t--'--~
Output power mod for the Uniden HR2510 & HR2600
http://www.popular-hifi.com/shack/cb_hr2510/output_mods.pdf
Output power mod for the Uniden HR2510 & HR2600 Uniden's HR2510 & HR2600 10 Meter Amateur radio's are nice for single band operation, but a little more output power is desirable for portable use. CREDITS: M.T. Stacey KC4HGH in Septembers issue of 73 Amateur Radio (1989) Published his findings on power modifications to the HR2510.
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