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In Reply to: RE: "some mids and vocals have taken on a little stridency/harshness" ... posted by andyr on February 10, 2021 at 23:11:11
No need to buy cables to bypass the steel jumpers, it can be bypassed on the back of the connector plate. It is also possible to crimp or solder all wiring to the cables coming from the crossover, bypassing the connecting plate all together. Not that it would make a dramatic difference but I think the fuse holder is the weakest point.
Follow Ups:
Yes I bypassed the whole connecting plate. I don't have an alternative amp to try unfortunately. Impedance for the Troika is set at 100 ohms.. I'll try higher. I'll experiment with resistor values if I decide to reinstate the attenuator. And I'll do some more reading about crossover upgrades - I'm sure I read about a component upgrade that resulted in 'the sweetest mids imaginable' ;-)
Which is too low, according to Linn. They deem 680 ohms as appropriate - which I have no idea about, as they don't publish the Troika coil impedance value. (IME, the best sound lies between 10x and 100x the coil impedance - but you need to experiment, to decide which value you prefer.)
However, as you are able to change the loading setting - I would suggest you do. As your only options (with the iPhono) are 330 ohms or 1K ... you need to try each and decide which one you prefer.
But as you said the harshness happens with digital too ... you might have 2 problems to solve. :-((
Andy
Thanks Andy - I'm in 'upgrade mode'at present...I'm going to make some rigid, spiked stands, and I'm going to full-Razor my Maggies. To throw another variable into the mix, I had hearing aids fitted for the first time last week ;-) So I'm working in a soup of changing variables - probably not a very logical methodology, but each modification has had almost universal support...and it's fun!
Cheers
Steve
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