I did split the crossover in my Studios and added another couple of terminals so I could bi-amp. I had two stereo 25W EL84 amps and bi-amping really brought the system to another level.
Alex
Alex
@ Alex: I believe that. I am currently using entry level Nelson Pass pre and mono power amps (15wpc) and its already stunning, at least with my old ALRs, though they lack detail and precision a lot. You have any idea what my problem could be?
After simulating, driver phases do not track each other well. I can propose changes to tweeter circuit if you are interested.
What Do you mean, is the tweeter off Phase? Should I swap polarity? I am absolutely interested! But also to my ears the Bass does Not Sound right. Very little bass and although I know there is no really deep bass, it can not be right.
Woofer could perform better and lower bass notes if it were in a larger enclosure (20-23 litres, vent 2" by 5" or 2" by 6", frequencies F3/F6 in the 35-42 Hz range).
Whether you place 4R7, 8u2 and 6u8 in the positive or negative (as ProAc) branch, is of no consequence.
Drive units are in phase.
Whether you place 4R7, 8u2 and 6u8 in the positive or negative (as ProAc) branch, is of no consequence.
Drive units are in phase.
Attachments
Last edited:
Yes I have seen this on Troels Studio 101 MK1 design, he also suggests making a larger cabinet in case more bass energy is wanted. Not sure if I want a floorstander though, there is something about standmounts I really like a lot.
Thanks for you suggestion for the tweeter circuit. So I need to add 8.2 and 6.8uF caps and 1.5 Ohms resistors, right? Would be worth a shot, as parts are not so expensive. What difference will it make? Have you heard it yourself or does it only measure better?
Thanks for you suggestion for the tweeter circuit. So I need to add 8.2 and 6.8uF caps and 1.5 Ohms resistors, right? Would be worth a shot, as parts are not so expensive. What difference will it make? Have you heard it yourself or does it only measure better?
While my job was to figure out what might be the "issue" with it (theoretically speaking), yours is to report what this small modification might sound like. Parts should be selected to cost the bare minimum. Pollin de is offering cheap and good quality small caps that you can wire in parallel to achieve specific values. For example, 10 pieces of 0.68uF mkp 250V Roderstein cost together 80 cents.
Last edited: