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Everything posted by JohnA
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More than that, even. I would start it on the 4 ohm taps, but also try the 8s.
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swapping passive radiator for active sub
JohnA replied to Got_Horns's topic in Technical/Restorations
A passive radiator is a substitute for a resonant port. It has the advantage of also limiting the woofer's travel below resonance (protecting the woofer from very low bass notes). Do not change or modify it. Do not remove it, the cabinet volume is sized to use a passive radiator and will probably be too big for the woofer if you remove it. Adding a second active woofer will require a cabinet with double the volume of one with a single woofer. If you want deeper bass, add a good subwoofer (sound lower/under a woofer). If you want louder bass, move them closer to a corner or add EQ. -
Very much untrue. "Phono" has much more gain and a built-in eq for the records. It boosts bass and cuts treble to compensate for the eq cut into the record (so the stylus can stay in the grooves). The OP's post sounds like he already has it plugged into "Line".
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Yeah, look for a universal player. I am well pleased with my Sony UBP-X1100ES. You should find DVD-Audio a treat, if you haven't listened to one. Call Paducah Home Theater, they should treat you right. Wouldn't hurt to mention this Forum when you call.
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Unless you really live in the sticks, any machine shop can do it for little cash. Take the horn and/or a driver to match the thread.
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I would go all 12v auto or marine gear and use auto electronic crossovers. Some of the amps have crossovers inside and many of the head units have digital delays built in. You can use inverters to turn 12v into 120v, but you lose some power in the conversion. Car batteries parallel easily for longer service.
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Were I you, I'd be looking at Forte IVs or IIIs. However, Heresy IVs are Excellent and will be quite good near the wall/corners of your room. I do not feel the need for subwoofers with my H IVs.
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Yes, I dropped the taps on the T2A, so the response curve is flatter (reduced the rising response by 3 dB). The result is the woofer at 94 dB/w/m, squawker at 95 dB and the tweeter at 96dB. My center floats in the air above the TV without much wall reinforcement, so I like the subdued squawker and tweeter better.
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The tweeter should be 7.5, the squawker should be 12 - 12.5 and the woofer should be 6-ish, unless a K-22-EF and it will be 8.3-ish. I had a K-77 tweeter with loose terminals that didn't always contact the voicecoil leads. Manipulating the tweeter often gave good DCRs, until I noticed the terminal moved.
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A new thread on an old topic? AL Crossover upgrades
JohnA replied to Ed Wolinski's topic in General Klipsch Info
Having had Type AL La Scalas and Type AA La Scalas in the same room, at the same time, the reputation of the Type AL is very well deserved. I would update them to Type AL-3. -
Were they mine, I'd replace the caps in kind on both, convert the Type D to "E" and replace the K-52-H with a K-55-V. If the crossover schematics are no longer on the Forum, send me a PM. If you can find 2 solder terminal K-55-Vs they are all the better.
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I did that to my center channel Heresy so it matches my Type AA La Scalas as much as practical. The Type AA filter EQs the driver a little, but the Type E network compensates for the K-77s response hump well enough and the auto former protects it well enough, too. You may not notice much difference.
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As you'd expect, a Beretta is a nice piece of kit! Blocks have their place, though. 😄
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KLIPSCH LA SCALA - need to repair crossovers
JohnA replied to No_Fixed_Plans's topic in Technical/Restorations
Convert those to Type AL-3. Type ALs are aweful. -
The K-77-M is substantially more durable with a 10w cont. rating. In a home setting they are not at much risk so you can defeat the KLiP diodes. I would not recommend that for Pro Audio.
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Yes, it was. The bulb and resistor form an L-pad (~1 dB, maybe 1.5] until the bulb heats and its resistance rises.
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Nice find! If you keep them, you'll want them on the floor and just a few inches off the wall or corner to get better bass from them. You can expect them to need several days for the woofers to loosten up and make full bass output. Ultimately, you may want a subwoofer, too. Many of us do.
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Inherited 6 La Scalas - Need some assistance please
JohnA replied to Ed Wolinski's topic in General Klipsch Info
I heartily agree with Dean. I've had them and the Type AL is a miserable crossover. -
Listening rooms for Klipschorn around North West Arkansas?
JohnA replied to JasonCzerak's topic in General Klipsch Info
Paducah Home Theater is not far and is EXCELLENT, -
I have one and I don't know how you'd do it. My phones, etc, won't pair to 2 devices at once and have no provision to separate channels. It does have an aux input, so you might be able to make cables to send each channel to different Grooves.
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Heresy IV's as center channel speaker/speakers
JohnA replied to RLink's topic in General Klipsch Info
An H IV will be a better tonal match than anything else short of a 3rd CW III. I use a Heresy between my 2 La Scalas. I modified the crossover to be as similar to the LA Scala crossover as practical. It much like the HIP's crossover. -
Yes. If you send a forum PM, the recipient gets an email notice. That worked this time.
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I do not remember that lamp. All along I thought I was copying dtr20!
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There were probably more raw birch Heresy Is made that any other. Since the "finished" H Is are also made from plywood, there should be no difference in sound. MDF cabinets may not be as strong as plywood, but are strong enough and non-resonant. Better to buy the sound you like in the condition you want and ignore the material.