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crossover

  1. Illuminatis

    Frankenstein speakers

    Hello i have a pair of sony ssm f400h speakers and a ss-cn305 center i also have a pair of sansui active subwoofers i plan to pull all these drivers out and make diy speaker enclosures with the active subs built in. My question is if i plan on using the existing cross over in the 3 way towers...
  2. Martynka

    The best Bang Olufsen speaker - Beovox M70 ( IMHO )

    Hi, I finished work with my KEF 104aB https://audiokarma.org/forums/index.php?threads/kef-104ab-one-more-time.864834/ but I don't like stagnation... so I started another speaker project. I work with the best sounded ( IMHO ) Bang Olufsen speakers Beovox M70. After few months with KEF's I...
  3. klamsoss

    Thiel crossover rehab

    I'm about to rehab these Thiel CS2 crossovers. I'm experiencing what I think is rolloff above 16 or 17kHz although I don't have a way to measure. My comparisons are to B&W DM602.5 S3, wharfedale diamond 7.1, and B&W CDM1NT, all of which sound like they have more top end output. I have verified...
  4. kryten79

    Pioneer HPM Speaker Manuals

    Just discovered this Pioneer HPM Service Manual PDF on another site, TVCAUDIO. Can download the big PDF from the provided link. I am posting them here in pieces as the file was too large to upload to AK as one file It contains three service manuals The HPM-100 2nd gen. manual is from 1978 and...
  5. lordsparky

    Speakerlab Four Crossover Switches

    One of my Speakerlab Four Crossover Switches broke. Does anyone know what type of switch to replace it with? I think it is SPDT, but is it On-Off-On, On-On, or On-Off-On OEM Style? Or something else?
  6. B

    Bose 601 Series II Quarks...

    Hello all, new to the forum as I just picked up a pair of Bose 601 Series II speakers and I am curious about the odd way that the highs jump and get buried depending on the music. They are excellent sounding and just the deep bass I remember when I was a kid. But I notice that when there is a...
  7. EmuMannen

    Calling all XO gurus!

    I got a pair of BIC SoundSpan TPR-600 that I got from a friend (who bought them new in the 70s). I was considering an XO upgrade or to go active, so I took a look at the original XO. But I can't wrap my head around it! Please take a look at the attached image. Red wire to woofer, green to mid...
  8. Shane R.

    Crossover prototype with cheaper components

    Would there be any harm in using cheaper components to prototype a from scratch crossover? Getting the right values then building with higher quality or would there be too much variation between the two?
  9. D

    Speakerlab Crossover Help

    I have Speakerlab .1's, 1's, 2's 2.5's and 7's that I want to recap and make them sing as they did in the 70's. Finding information on line has been disappointing. Does anyone have accurate capacitor information for each, and a procurement source for these crossover capacitors. Thanks.
  10. Z

    Yamaha NS333 crossover mod

    Following very good experience with NS555 mod described in another thread by ecommers I decided to improve sound in my NS333. Yamaha used cheap parts in crossovers which apparently deteriorated with time. I just substitute one capacitor and one coil per speaker. Parts used (got mine from HiFi...
  11. P

    JBL Control 5 Repair or Not

    somebody gave me some JBL Control 5 Monitors. No sound from the low frequency driver on both. Speakers are in tact. No obvious tears, holes, etc. so does that mean a crossover replacement? I’m trying to figure out if they are worth any investment. Is this a major repair?. Or just toss them. The...
  12. P

    JBL Control 5

    I have a pair of JBL Control 5. They were free. No sound coming out of low frequency driver in both. No physical damage(speaker holes, etc). Should I repair or not?. What is involved in fixing? Replacing crossover? I’m a complete amateur. So help is needed. Thanks in advance.
  13. S

    How to integrate Marantz 2240 with subwoofer

    Hello and Merry Christmas! I have a Marantz 2240 receiver and Paradigm sub. The sub has stereo rca and balanced inputs. No speaker level inputs. Can you recommend a crossover to go between the receiver and sub? Right now I have an RCA Y splitter coming off the R/L receiver pre outputs with...
  14. goldswimmerb

    Need help with some JBL L110s

    Hey guys, so I recently aquired some L110s from a goodwill, they're beat to hell but nothing's too broken to fix, right? Anyway, I've gone ahead and reformed both woofters, pulled out the pushed in tweeters (and tested), and replaced the midrange driver's as the cones were torn. Now I've run...
  15. T

    Celestion Ditton 662 Fuse Blowing

    Hi, I recently acquired a set of Celestion Ditton 662 speakers, since the reviews on them were quite good and so was their condition. I have them paired with a mostly overhauled Sansui AU-9500, and first impressions are good, but not as great as expected. Especially considering that the cheap...
  16. W

    Ps10 help

    I am new here and I was hoping I can benefit from somebody’s knowledge. I have a pair of ps10’s That I just had refoamed. But now a tweeter is dead and I found 2 replacements on eBay ...they do t work either so it wasn’t really the tweeter... any ideas? Can it be the cross over? Keep in mind...
  17. peterh001

    Realistic Mach One 4029 Tier One Upgrade Crossover

    I'm just finishing the final steps to the Mach One tier one upgrade and am having trouble finding the exact spec items on the list. The capacitor and crossover coil values I need are not available. I'm wondering If these values are close enough to the ones needed in the list or are there better...
  18. D

    Is there such a thing as an adjustable crossover?

    What I mean by that is, say I have 3 or more speakers. I want to filter the tweeter to a certain frequency range, then the next two are a larger and smaller midrange drivers which will have slightly different frequency ranges that I want to filter on and so forth. I don't want to design the...
  19. westermac

    DLK Model 2 Crossovers

    I picked up a pair of DLK model 2 on CL recently (later model with the stainless mid/tweeter panels)... Got them hooked up today, and they rock! A touch "honky" in the 1-2kHz range compared to my Adam A5X's but very well-balanced otherwise and a fun listen. The only problem I've run into is...
  20. Avpioneer

    KLH MODEL 5 RECAP Q'S

    So...this is a pretty novice question on my part but people here have been such a huge help so here I am to ask about replacing resistors. I've recapped the Model 17, 23 and 6 but have never replaced the resistors so far. I'm about to recap a Model 5 and it replacing the caps doesn't worry me...
  21. U

    Infinity Renaissance 80 speaker fell, now EMIM and EMITs not working

    So unfortunately my left channel Ren 80 took a good tumble about 3 ft to the floor... Ever since the Tweeter and Mid-range EMIM and EMIT ribbon speakers arent working. No sound is coming out of them at all. (The woofer sounds fine.) Is this a crossover issue? Think I could fix it? I don't know...
  22. JayPare

    BIC Venturi Formula 4 recap and restoration

    I'm looking to give a second life to a pair of BIC Venturi Formula 4 that I got in a bundle with a TT and 2 stereos receiver. I read on some forums (including this one) that the first thing to do with those is to recap the crossover. Therefore, I'm wonder which on I need to replace. I'm...
  23. redpackman

    AR 3a Crossover - What difference would 180uf vs 150uf make?

    I'm in the process of restoring a nice pair of AR-3a's. This is the second set I've done and they're really turning out nice. I sent away for some new caps for the crossover. The crossover requires a 6 uf, 50 uf and 150 uf cap. The supplier sent all six and before I put them in I tested them...
  24. LuisNiels

    Question about 3 way crossover connection

    hello everyone, i have a pair of yamahas NS-555AV and a pair of technics SB-2865... both 3way speaker system. and i was checking the crossover connection and i found out that on both yamahas and technics the positive lead of the mid range is connected to the common negative of the woofer and...
  25. BuzzRd

    Fake Solen capacitors on eBay - buyers beware!

    Hi all, Just wanted to give a heads-up to whomever it may concern - i just purchased a few Solen 400v Polypropylene capacitors from a Hong Kong eBay seller (https://www.ebay.com/usr/idea*for*life?ul_noapp=true) for a crossover project. when i received them i noticed that the inscription "Made in...
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