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crossover design

  1. tmdillon69

    Early Wharfdale W70s need help!

    I've been searching for a while and still haven't found what I need to solve this issue. I have a pair of early W70s. The ported 3-ways that I believe are also called the tallboys. There is a lot of info on the W70Ds, but not so much on the early ones. These were one-owner speakers. I bought...
  2. Eric Burbeck

    Cornscala Type D crossover design

    I'm pretty new here but have been working on DIY audio projects for many years. I'm getting going on a pair of Cornscala Type D's with Crites CW1526 woofers and Faital HF140 tweeters paired with LTH142 waveguides. Cabinets will be approximately 6.5 cu. ft. This is roughly the same design that...
  3. S

    B&W Preference P6 - question concerning crossover

    Short disclaimer, I’m rather new to (audio) electronics, I hope the approach and my questions are not too basic. I recently acquired said speakers. Initially the sound was truly underwhelming. After some research and maintenance of tweeters with new ferrofluid it improved, but overall, the...
  4. belletrist

    Heathkit SS-1B crossover alternative?

    Hi all, been a while since I posted, so greetings and good wishes to everyone out there! I've got a single Heathkit SS-1B "range extender" (add-on to the SS-1, providing extended lows and highs). Had it for years since I acquired it from someone in the area, who was cleaning out his basement...
  5. R

    JBL 4312 driver phase strangeness

    I've just got a pair of original 4312s and have recapped them, and I've sort of gone down a rabbit hole looking at the crossover schematic. It started when I worried I might have reversed the woofer's wiring, seeing that the negative signal to the woofer is wired in directly from the red...
  6. engstrom

    Help With Crossover Design Identification

    I'm a complete novice to the audio world and I'm hoping someone more experienced can help me understand the design of this crossover. It's from an Allen Organ HC-15 3-way speaker (15" woofer, 4" mid-range, & 1" tweeter). I looked up a few 3-way crossover designs and the closest matches were 2nd...
  7. 19Brendan80

    Coaxial Conundrum. 8 ohm woofer coil vs 16 ohm tweeter. RE-CONE.

    I currently have a 16 ohm Coaxial Alnico just like an Altec 604 with resin dome tweeter, but it is not an altec. It originally had a treated plastic/vinyl paper surround, but I opted to replace it with a pleated cloth surround like the 604D when they went from paper to cloth because the cone was...
  8. Laricc

    McIntosh ML-1C midrange and tweeter / crossover replacement / repair

    I posted a thread a while back looking for some insight on how to repair a set of McIntosh ML-1C loudspeakers. There wasn't much I could go off so I tried to contact Mr. Russel on the topic but I only got vague responses. Eventually, someone sent a picture of a pair someone else rebuilt. I ended...
  9. David Barash

    DIY Crossovers

    Hi fellow gear heads. I'm looking for the FRD/ZMA files for Altec 803B & 806A drivers so I can attempt to design and build 2 way 16 ohm 800Hz crossovers. I'd also be open to paying someone to design/build if they open to it. Or if anyone has a spare N800D dividing network they are willing...
  10. flyingfinn

    Best way to build a crossover? Thoughts?

    I've recently been considering to begin building my own crossovers. I've always thought that the best way was to build a either at least a 2nd order, and preferably a 3rd order, then having them meet right at the desired xover points. However, I recently came across a thread where someone was...
  11. Moth R. Superior

    Speaker I.D. and crossover help please

    Hello, I've recently purchased a pair of unidentified speakers that have a crossover like I've never seen. They appear to have 3 caps and 2 resistors. (2 1uf 50VPC, & 1 10uf 25V) They look pretty old as they still have RCA jacks to hook them up. The boxes are real wood veneer, & they're very...
  12. Mojoworkin

    Wharfie W70 Xover Project and the Case of the Mysterious Fiddly Bits

    Blame Mr. Biggles. All I needed were a pair of 8" drivers for my Wharfdale W70's, and maybe while I'm talking to a guy who knows I can get some advice on replacing the one measly 4mfd that filters output to the tweeter. That's ALL I NEEDED. But no, he goes over and above - gives me some NOS PIO...
  13. DangerBoy

    Please help me figure these crossovers out

    I have a set of speakers made in the early to mid 1970s buy a mad scientist speaker maker who owned an audio shop in a nearby small town back in the 60s - 80s. Unfortunately, he passed away in the 80s so I'm unable to ask him any questions about his crossovers. This guy made what were some...
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