far0n Posted October 10, 2014 Share Posted October 10, 2014 ...and the one weird thing I noticed was for the same discernable tone and volume, the Markbass amp physically moves the cones further. Same volume, same eq settings, but the Genz achieved the same volume with me barely noticing the cones moving at all. The Markbass had the cones flapping like hell. Anyone explain this ?? Quote Link to comment Share on other sites More sharing options...
CamdenRob Posted October 10, 2014 Share Posted October 10, 2014 (edited) I think the Genz has a high pass filter on the input that cuts any very low frequencies, similar to a thumpinator. I'm unsure of the cut off frequency but I'm sure someone else will know. It could be that the MB does not have this and so the very low frequencies are moving the cone more at volume? Edited October 10, 2014 by CamdenRob Quote Link to comment Share on other sites More sharing options...
UglyDog Posted October 10, 2014 Share Posted October 10, 2014 There's nothing in the manual to say what the cut-off is, and interestingly the filter doesn't appear anywhere on the block diagram. It's definitely there though, and a great job it does too. Quote Link to comment Share on other sites More sharing options...
CamdenRob Posted October 10, 2014 Share Posted October 10, 2014 [quote name='UglyDog' timestamp='1412941284' post='2573478'] There's nothing in the manual to say what the cut-off is, and interestingly the filter doesn't appear anywhere on the block diagram. It's definitely there though, and a great job it does too. [/quote] Yeah it's weird that there is no mention of it in any of the literature.... almost like it s a secret they don't want everyone to know... Quote Link to comment Share on other sites More sharing options...
Roland Rock Posted October 10, 2014 Share Posted October 10, 2014 I'm pretty sure it's 30Hz, same as the Thumpinator Quote Link to comment Share on other sites More sharing options...
stingrayPete1977 Posted October 10, 2014 Share Posted October 10, 2014 It's in my manual I'm sure, from memory it's 80hz in normal mode and allows down to 37hz when you engage the LF button. This topic is always followed by an argument about why I have a five string bass if my amp only goes down to 37hz...... Quote Link to comment Share on other sites More sharing options...
stingrayPete1977 Posted October 10, 2014 Share Posted October 10, 2014 Did you have the LF engaged? if not putting it in might have made the cones equally as flappy a the MB. Quote Link to comment Share on other sites More sharing options...
far0n Posted October 10, 2014 Author Share Posted October 10, 2014 When you say did i have it engaged? Where's the switch? Quote Link to comment Share on other sites More sharing options...
Mudpup Posted October 10, 2014 Share Posted October 10, 2014 [quote name='far0n' timestamp='1412950989' post='2573590'] When you say did i have it engaged? Where's the switch? [/quote] Its the left hand button in the "signal shape" section. Push it in. Quote Link to comment Share on other sites More sharing options...
UglyDog Posted October 10, 2014 Share Posted October 10, 2014 You can tell when it's engaged, because it will light up the first one of The Three Brightest Blue LEDs In The World. Quote Link to comment Share on other sites More sharing options...
stingrayPete1977 Posted October 10, 2014 Share Posted October 10, 2014 Thats it, I find you sometimes need to cut the bass a little if you use the LF, both together and with an active EQ on a humbucker starts to get a bit boomy ime, useful for using with various cabs with different voicings though. Quote Link to comment Share on other sites More sharing options...
ebenezer Posted October 15, 2014 Share Posted October 15, 2014 All amp ratings and watts are not created equal!!......for me..markbass wins here Quote Link to comment Share on other sites More sharing options...
LukeFRC Posted October 15, 2014 Share Posted October 15, 2014 was that the question ebenezer? Quote Link to comment Share on other sites More sharing options...
M@23 Posted October 15, 2014 Share Posted October 15, 2014 I don't know the first thing about GB amps, but the low EQ on the MB is centred very low. Could that be why? Quote Link to comment Share on other sites More sharing options...
chrismuzz Posted October 15, 2014 Share Posted October 15, 2014 I always had to cut the lows on markbass gear cause its so hefty. Insane amounts of headroom! Quote Link to comment Share on other sites More sharing options...
Mcgiver69 Posted October 15, 2014 Share Posted October 15, 2014 (edited) [quote name='stingrayPete1977' timestamp='1412943009' post='2573499'] It's in my manual I'm sure, from memory it's 80hz in normal mode and allows down to 37hz when you engage the LF button. This topic is always followed by an argument about why I have a five string bass if my amp only goes down to 37hz...... [/quote] I have the same filter in my Peavey Tour head and with it engaged the B string sounds tight and clear without boom. The theory is that B strings generate a lot of boom in the 80hz frequency range so they cut it off to avoid it. Edited October 15, 2014 by Mcgiver69 Quote Link to comment Share on other sites More sharing options...
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