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Hey guess what! I checked my local elec store and it turns out that he wind inductors for eq's: 10 mH 22 mH 47 mH 100 mH 150 mH 220 mH 330 mH 470 mH 680 mH 1 H 1,5 H , for around 2$ each! :wink:

Hi acorkos, thanks for your reply.. The only problem is that mesa is located in US and I am living in Denmark - where they charge a billion in tax when importing from outside EU :wink: Thanks Thomas

Hi, I'm looking for inductors/replacements for the graphic EQ in the mesa mkIV Do you know any european online shops that sells suitable inductors? Best regards Thomas

Hehe..thanks AS! I do not do it :D ..I've just built the amp from scratch..and wanted to find out if this was normal. My marshall amp does not buzz when the signal is floating. Guess it's because of the higher gain in mesa's. Thanks Thomas

Hi, Is it normal to hear a loud buzzing when a cable is plugged into the amp (so that the "signal in" is floating). Offcourse The buzz becomes louder when touching the tip, but asking because it's already very loud when not. Thanks Thomas

Hi! I am building the 3ch dual rectifier and I am almost finished...I think! Well..i have made a few modifications to the schematic..I added individual bias pots to each power tube. I 've got two problems. I got signal through each channel and so I assume that the preamps are working...

OK AdmiralB:) ..I know the schematic is incomplete but I am using the switching schematic from the nomad 100 which is very similar to the dual rec 3ch. I've been doing some measuring and rechecking and so on..still can't find the failure. When i turn the amp on the RY2 should be in ON position...

Yes, to ground :? so you think the 6V are good enough?? Guess I will have to check the circuit again..have you any ideas about the 1' bus?? I will post some measurings in two hours..

The middle of RY 1'..hmm it could be.. but the relays is DPDT..so it should be to connect both poles or what?? Don't know about the ext switching yet..but I will let you know when i figure it out:) Thomas

Hello AdmiralB Thanks you for your reply..and that was also my thoughts. I bought 11 6VDC non-polarized relays but the circuit want work:? Here is a link to the schematic http://www.bnv-gz.de/~ooehmann/schematics/mb/Dual_Rectifier_3Ch_Solo_Head.pdf When i messure across the relay coils I...

Hi I am currently building the dual rectifier 3ch which is a hell of project :shock: Anyway..Can anyone help me with the relays? what kind of relays is it? 6VDC or 3VDC?? And where to connect the 1' bus (6426 transistor) on the preamp pt 1 page? Please help..It is the only two questions...