Members mrweems Posted March 21, 2008 Members Share Posted March 21, 2008 Ok, i just got a used Ac30cc w/ wharfdales. And i have a few questions. I've been playing with the switches, and was wondering what the difference with the 8ohm vs 16 ohm switch does. Do you prefer teh warm or vintage. And there is one more i can't remember. basically how do you like your switches on the back. Second. Mine buzzes a bit. As in turn on and signal goes through clean. And there is a hum. New tubes? Rectifier? Preamp? Power? Link to comment Share on other sites More sharing options...
Members echodeluxe Posted March 21, 2008 Members Share Posted March 21, 2008 switches: the switch that changes the impedance (8ohm vs. 16 ohm) should be set at 16ohm UNLESS you are running an external cab. warm or vintage: do you mean warm or hot? i like the hot usually. more clean headroom, and it runs at about 33 watts in that setting. the 44uf/22uf switch: set it to 44uf if the amp hums. it will quiet it down a little. how loud is the hum? Link to comment Share on other sites More sharing options...
Members mrweems Posted March 21, 2008 Author Members Share Posted March 21, 2008 switches: the switch that changes the impedance (8ohm vs. 16 ohm) should be set at 16ohm UNLESS you are running an external cab.warm or vintage: do you mean warm or hot? i like the hot usually. more clean headroom, and it runs at about 33 watts in that setting.the 44uf/22uf switch: set it to 44uf if the amp hums. it will quiet it down a little.how loud is the hum? Small amount of hum, that i would only pay attention to probably. But what does that switch do? Link to comment Share on other sites More sharing options...
Members utterhack Posted March 21, 2008 Members Share Posted March 21, 2008 if you're not driving the amp too hard: vintage; if you're cranking the channel preamps: modern Link to comment Share on other sites More sharing options...
Members echodeluxe Posted March 21, 2008 Members Share Posted March 21, 2008 Small amount of hum, that i would only pay attention to probably. But what does that switch do? the switch either switches from using 22uf capacitors for a vintage feel, or ganging them up for 44uf and a more tighter modern feel with more hum filtering. Link to comment Share on other sites More sharing options...
Members mrweems Posted March 21, 2008 Author Members Share Posted March 21, 2008 so where do you guys set yours. And you say, driving the preamp. What is considered that? I put mine alittle past half way. Link to comment Share on other sites More sharing options...
Members mrweems Posted March 21, 2008 Author Members Share Posted March 21, 2008 also i notice if i turn the master down the hum drastically changes. Link to comment Share on other sites More sharing options...
Members echodeluxe Posted March 21, 2008 Members Share Posted March 21, 2008 i have mine set to "hot" and "vintage". i a/b switch between the two channels using an a/b box. i have my top boost at a little below halfway for a clean sound, and my normal channel a little above halfway for a little bit of grit. very versatile that way. Link to comment Share on other sites More sharing options...
Members echodeluxe Posted March 21, 2008 Members Share Posted March 21, 2008 also i notice if i turn the master down the hum drastically changes. hmm. if you can get a sound recording of this, i would like to hear it. Link to comment Share on other sites More sharing options...
Members NetStar Posted March 21, 2008 Members Share Posted March 21, 2008 Bedroom volume(ish) attainable? Link to comment Share on other sites More sharing options...
Members mrweems Posted March 21, 2008 Author Members Share Posted March 21, 2008 Bedroom volume(ish) attainable? ha. Um, yes.. But i'm playing in a band setting. I don't exactly understand your question. Link to comment Share on other sites More sharing options...
Members NetStar Posted March 21, 2008 Members Share Posted March 21, 2008 Not you specifically. In general, am i going to disturb the entire block with this....? Link to comment Share on other sites More sharing options...
Members mrweems Posted March 21, 2008 Author Members Share Posted March 21, 2008 Not you specifically.In general, am i going to disturb the entire block with this....? Are you famililar with how Maser volume - gain/volume amps work? Are you trying to acheive a crunchy tone with it? IF so, crank the preamp and adjust the master for taste and level. Or just plug into the top boost and set to taste. Link to comment Share on other sites More sharing options...
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