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Modular Amps
Egnater / Randall Modular Amps
Need amp/cab configuration help
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<blockquote data-quote="StratmanR2S" data-source="post: 66974" data-attributes="member: 2429"><p>I've seen on other forums where people have stated that removing half of your tubes will mean half the impedence. My Carvin V3 has a 100w/50w switch and it does not change the impedence and it is doing basically the same thing as removing two tubes. Also the output transformer is used to match your amp to your load. Different taps are used to to add or subtract the amount of windiings in the secondary of the output transformer adding or subtracting impedence or resistance.</p><p></p><p>Changing how many tubes are feeding the primary isn't gonna change the amount of windings in the secondary. It will change the power output and the votage and current (P=VI)in both the primary and the secondary but the output impedence should remain fairly constant. Output impedance will very some depending on current and frequentcy but it shouldn't very anymore than it does when you adjust your master volume knob.</p><p></p><p>Also Granger stocks a good assortment of fuses.</p><p></p><p>Back to the cab problem. Two cabs of the same value in parallel divides the impedence in half. Series adds it together.</p><p></p><p>You could run the two 16ohm cabs parallel for 8ohms or get 16ohm speakers. then you will have 2 8ohm 212 cabs.</p></blockquote><p></p>
[QUOTE="StratmanR2S, post: 66974, member: 2429"] I've seen on other forums where people have stated that removing half of your tubes will mean half the impedence. My Carvin V3 has a 100w/50w switch and it does not change the impedence and it is doing basically the same thing as removing two tubes. Also the output transformer is used to match your amp to your load. Different taps are used to to add or subtract the amount of windiings in the secondary of the output transformer adding or subtracting impedence or resistance. Changing how many tubes are feeding the primary isn't gonna change the amount of windings in the secondary. It will change the power output and the votage and current (P=VI)in both the primary and the secondary but the output impedence should remain fairly constant. Output impedance will very some depending on current and frequentcy but it shouldn't very anymore than it does when you adjust your master volume knob. Also Granger stocks a good assortment of fuses. Back to the cab problem. Two cabs of the same value in parallel divides the impedence in half. Series adds it together. You could run the two 16ohm cabs parallel for 8ohms or get 16ohm speakers. then you will have 2 8ohm 212 cabs. [/QUOTE]
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Modular Amps
Egnater / Randall Modular Amps
Need amp/cab configuration help
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