250Ti - 4-way active experiment

[Dagfinn]

Site crashed when posting, trying to recreate... System up and running, very happy . Loads of learning from a setup like this. They are in a room with two Genelec monitors with ABC swiitching, very helpful when fine tuning by ear. A picture of the stack: 2x Topping PA5II for tweeters and high-mid, about 125W/4Ohm, 1 Topping PA7 Plus/200w for low-mid, and a Kenwood L-1000M for woofers, about 200w. The older, cheap version of the dxb crossover seems fine, can't hear any difference .

[Dagfinn]

As you see, cabling and setup is temporary. I've decided to use 8-lead wire with Speakon 8-pole, nice and tidy . Having gain control is useful - I made a mid/tweeter connection error, but discovered it while slowly increasing gain, no harm done. But mostly it's useful for gain staging, On crossovers; I know some were made by Pioneer and Accuphase, but all(?) SE. Are there any balanced 4-way crossovers like the Pioneer D23 out there?

[Riley Casey]

While they have been out of production for years the BSS FDS360 four way crossovers have just about the best feature set for analog crossover control. IF you have a tolerance for buying used and doing the overhaul work that old units require and IF you have the patience for making electronic component changes internally that afford the option for 2nd or 4th order crossover filters and parametric EQ on each band. They still come up on Ebay with some in very clean condition and some showing signs of having lived hard lives in touring sound systems. If you are willing to go digital the Ashly Protea 4.24 C or D versions are four channel in and eight channels out and also going for low prices on Ebay.

...Are there any balanced 4-way crossovers like the Pioneer D23 out there?

[Dagfinn]

Thanks Riley, looks like a nice option if found. Don't mind vintage at all, but not competent to do the electronic restoration, so... needing two, could be a long road. Going digital is clearly easier. As it is, the dbx's still offer a lot of insights not yet depleted. Voicing a speaker by ear is time consuming, but interesting. We'll see how it measures when I'm happy . On the sad side, there's a "sound" in one LE14, a slight "buzz", like something touching/vibrating. They are fairly recently reconed, so I suppose something didn't go as planned. Not sure how to deal with that, but something must be done.

[Robh3606]

Thanks Riley, looks like a nice option if found. Don't mind vintage at all, but not competent to do the electronic restoration, so... needing two, could be a long road. Going digital is clearly easier. As it is, the dbx's still offer a lot of insights not yet depleted. Voicing a speaker by ear is time consuming, but interesting. We'll see how it measures when I'm happy . On the sad side, there's a "sound" in one LE14, a slight "buzz", like something touching/vibrating. They are fairly recently reconed, so I suppose something didn't go as planned. Not sure how to deal with that, but something must be done.

Try flipping the LE-14 180 degrees so top becomes bottom. I had on once that would buzz only when placed on one side. Might work!

Rob

[Dagfinn]

Thanks Rob, I'll try .

[grumpy]

There's also a small chance that the tinsel leads (voice coil to terminals) are not positioned well, hitting the frame or cone.
Fairly simple to check, and they typically can be gently re-positioned if necessary. Hope it's nothing major!