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  1. No one is "building a crossover" here or even...

    No one is "building a crossover" here or even setting the slopes. That was already done by someone more knowlegable than us, most probably The Mastering Labs, and put into a "dedicated" electronic...
  2. The Behringer provided the a nice downward curve...

    The Behringer provided the a nice downward curve and I tweaked the low bass up a couple dB from there. At this point, I have a professional noise level meter ($3K) and I can tweak each side's...
  3. Thanks guys. Did some adjustments to bring up...

    Thanks guys.

    Did some adjustments to bring up the woofers a bit. Video does not convey the actual level of deep bass felt in the room.

    https://youtu.be/jsPePauUaLo
    https://youtu.be/jsPePauUaLo
  4. CSN&Y Guinevere on the Tri-amped Big Red Supers....

    CSN&Y Guinevere on the Tri-amped Big Red Supers.
    Custom One-off Electronic Crossover
    Custom One-Off Passive eq for the Horns
    Marantz 1180DC console
    Marantz 170DC amps (2)
    Yamaha S-2300 Universal...
  5. The 2251J cabinets are ported on the rear panels....

    The 2251J cabinets are ported on the rear panels.

    Current crossover configuration.
    http://www.audioheritage.org/photopost/data//500/medium/ScreenHunter_216_Nov_12_12_13.jpg

    Rob's simulation is...
  6. Crossover is at 225 Hz. I will have to run the...

    Crossover is at 225 Hz. I will have to run the RTA again to determine the dip frequency. But know that connecting the 10" in phase creates a broad dip in one area, whereas out of phase largely...
  7. Was just a "first attempt" and that is the next...

    Was just a "first attempt" and that is the next step. It is harder to do than my main system where the Behringer provides a continual source of pink noise. In this case I use the Audiophile Test...
  8. Tri-amped Altec Super Big Reds with no passive...

    Tri-amped Altec Super Big Reds with no passive networks from the get go.

    It is interesting that I have to turn the volume on the crossover nearly full up for the horns (and aux woofers), running...
  9. I used "C" weighting and found the bass a bit...

    I used "C" weighting and found the bass a bit thin. With "A" weighting the aux woofer is way down in the reported volume but it is right up there with "C" weighting. "A" or "C" makes no difference...
  10. Do you use "A" weighting?

    Do you use "A" weighting?
  11. Setting Tri-amp Volume Levels..., How Do You Do It?

    What is the typical procedure used for setting the speaker levels for a tri-amp set-up?

    Do you set all speakers to the same volume using pink noise, or do you roll off the upper drivers a bit? ...
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    I remember paying ~$140 for mine from ebay and...

    I remember paying ~$140 for mine from ebay and bought the mic separate.

    Back in the day, Zilch used one and that's where I first saw them.
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    I too was pretty happy with what I paid for my...

    I too was pretty happy with what I paid for my 4430s.

    I got the pair, (one woofer was out but it was just a lead off on the crossover), a pair of 4330s, a pair of 4425s, and a Tascam 8 channel...
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    My own creation: 2241H woofers in ~6 cu ft, 2251J...

    My own creation: 2241H woofers in ~6 cu ft, 2251J 10" (actually ~9.75"), and Heil AMT with crossovers I designed and implemented. The crossovers have been reworked countless times and will probably...
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    Will definitely keep him in mind. Mine may go...

    Will definitely keep him in mind. Mine may go through auto turn on and shut down several times during the evening simply watching television. I figure that we don't listen loud enough for it to...
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    This was why I sent it in the second time. The...

    This was why I sent it in the second time. The first time the woofer had delaminated from the surround and the original owner had cut the ground lug off of the wall plug. Sunfire replaced both the...
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    ...And had I of known back in the day when I had...

    ...And had I of known back in the day when I had the AlNiCo 2205s reconed as 2235s, I would have had them leave them out. A sub does a better job of the low bass and it was not worth the loss of the...
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    Someone on AudioKarma in Northern CA had a...

    Someone on AudioKarma in Northern CA had a Behringer 2496 without mic for $90. I was considering it for a spare or mobil unit, using my existing mic, but it just never happened. He may still have...
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    How long have you had the Sunfire and how long do...

    How long have you had the Sunfire and how long do you expect it to last? It is a great piece of equipment and mine easily keeps up with my three L300s, four W10GTi/2425 surround speakers, and W15GTi...
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    How long have you had the Sunfire and how long do...

    How long have you had the Sunfire and how long do you expect it to last? It is a great piece of equipment and mine easily keeps up with my three L300s, four W10GTi/2425 surround speakers, and W15GTi...
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    Back in the day we had converted the singers...

    Back in the day we had converted the singers garage into a studio with a separate mix booth. We used a Tascam 8 channel board, with 4 channel mix-down and a Teac 3340S with dBX for recording. ...
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    I had the 4430s and preferred the sound of my...

    I had the 4430s and preferred the sound of my modified L200/300s, though the 4430s way out-imaged the L200/300s, so I passed them on. I don't care for the "edge" of the titanium diaphragms, though I...
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    Not A7s, but Audiomarketing (Mastering Labs)...

    Not A7s, but Audiomarketing (Mastering Labs) Super Reds, most probably one-off with a one-off electronic crossover and one-off passive eq for the horns.
    ...
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    ... Back in the 70's

    If one had the $$$ and wanted to put what would essentually be a recording studio set-up in their home...,

    Marantz and triamped Altec Big Red Supers. Chartwell LS3/5A's for nearfield monitoring....
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    Probably better to just elevate and/or tilt the...

    Probably better to just elevate and/or tilt the cabinet so the tweets face your head.
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