horrorshowbass Posted January 6 Share Posted January 6 Hi all my pre on my RBX775 has fried and looking for a new one. Its pretty niche. Vol tone 3 way selector and mid boost. Are there any aftermarket pres out there that fit the bill? Thanks Michael Quote Link to comment Share on other sites More sharing options...
horrorshowbass Posted January 6 Author Share Posted January 6 Quote Link to comment Share on other sites More sharing options...
TRBboy Posted January 6 Share Posted January 6 Might be worth dropping Yamaha Music UK an email, just to see if there's spares still available (doubtful), but otherwise you've got 4 holes there, so any preamp that has 4 pots. Either vol/blend/2-band EQ or a 3 band with stacked treble and bass I guess. I really like the Glockenklang preamps, but Aguilar also really good and easy to install. Quote Link to comment Share on other sites More sharing options...
horrorshowbass Posted January 7 Author Share Posted January 7 Thanks @TRBboy Never thought about more pots, only thought I had 2 to play with but looking at it holes all seem to be same size. 1 Quote Link to comment Share on other sites More sharing options...
TRBboy Posted January 7 Share Posted January 7 26 minutes ago, horrorshowbass said: Thanks @TRBboy Never thought about more pots, only thought I had 2 to play with but looking at it holes all seem to be same size. No worries! Easy enough to make the hole slightly wider if needs be anyway. I'm not sure if the recess for the mini toggle looks slightly smaller, but you can always use a smaller knob there. 👌 Quote Link to comment Share on other sites More sharing options...
lemmywinks Posted January 7 Share Posted January 7 (edited) East 3 knob might be a good option if you can fit the boards in the cavity as they're pretty big and connected to the pots. Edited January 7 by lemmywinks Quote Link to comment Share on other sites More sharing options...
lemmywinks Posted January 7 Share Posted January 7 (edited) Audere also cater for a wide variety of hole numbers, their pots are tiny and the preamp board is seperate so may be a better option, cheaper too if you just want their classic pre. Can have the mid freq as a switch or a two different controls for high/low. These look like they might fit: https://www.audereaudio.com/classic-vb-4b-4h-none.html https://www.audereaudio.com/classic-vb-3bsw-4h-none.html More expensive https://www.audereaudio.com/pro-z-vb-4b-4h-none.html Edited January 7 by lemmywinks Quote Link to comment Share on other sites More sharing options...
Machines Posted January 7 Share Posted January 7 Due to the preshape on the stock preamp anything else is likely to sound very different. I think an EMG would keep the general character though. 1 Quote Link to comment Share on other sites More sharing options...
horrorshowbass Posted January 7 Author Share Posted January 7 Cheers lads My yech has ran it passive but its still cutting out so unfortunately PCB potentially banjaxed too 😥 Quote Link to comment Share on other sites More sharing options...
Machines Posted January 8 Share Posted January 8 Running it passive would bypass the PCB?. Quote Link to comment Share on other sites More sharing options...
horrorshowbass Posted January 8 Author Share Posted January 8 Update it worked last night lol i don’t get it all I did was set up battery but it’s running passively anyway? anyway, this bass sounds great passive so more than happy 1 Quote Link to comment Share on other sites More sharing options...
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