Galaxy 900 series radios 919 through 979

Caps, cap, capacitor, direct inject, bass, lows, hi fi, hifi, hi-fi, high fidelity, mod, mods, modification, upgrade, widen, wide audio, Goldfinger, Cobra, Galaxy, Ranger
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426
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Galaxy 900 series radios 919 through 979

Postby 426 » Tue Mar 01, 2011 10:54 am

Galaxy 900 series radios 919 through 979

Receive

Remove C39
Change C78, C40 and C185 to 2.2uF non-polarized electrolytic
To add more highs change C184 to a .001uF ceramic disc

Transmit

To open up the modulation limiter on AM only, Remove Q57

Need more gain for running a stock mic or noise cancelling mic?
Change R-176 from a 270K stock, to a 470K.

Want more Bass?
Change C-154, a .22uF 16V tantalum, to a 3.3uF 16V tantalum.
Change C-171 and C-235 to .47uF 50-100 volt Mylar.

For even more Bass.

Change C-154, a .22uF 16V tantalum, to a 10uF 16V tantalum.
Change C-171 and C-235 to 2.2uF, 50-100 volt Mylar.

the 2.2uF non-polarized and the 10uF tantalum available it Radio Shack.


Goldfinger thanks for the Info.


426
Hoist the colors YO-HO
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Jaybird
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Postby Jaybird » Wed Feb 22, 2012 6:02 am

Does the 6900 series board sound good with the am mod limiter removed?
495 Lexington KY
watch out for the antique Maul
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Postby Smiley » Wed Feb 22, 2012 6:55 am

Do you mean after the Tx and Rx mod is done?
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Jaybird
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Postby Jaybird » Thu Feb 23, 2012 8:48 pm

yes, sorta found this out on my own. Did the hi fi mod to a superstar ss39 with ept6900 board. Removed q57 and got great audio reports. So I guess the answer is yes. Thanks smiley
495 Lexington KY

watch out for the antique Maul
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Postby Smiley » Thu Feb 23, 2012 11:00 pm

Cool. Im glad you got it bud.
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