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Posts posted by Davecv41
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1 hour ago, dirtmudd said:
hire a band...or a duo....
Years ago a bunch of us sailors paid a bar band not to play; they sucked, and we wanted to sit and talk. They were happy, we were happy, and it didn't matter if they used tubes or solid state.
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I'm not disagreeing with powering up the voltage slowly on an older piece of tube equipment. Someone asking how to bring up a used piece of equipment likely isn't going to have a variac, ammeter, and schematic at their disposal. The Reference 3 is 10-11yr old preamp with tubes, microprocessor driven display and volume controls, and draws 125 watts . Current draw should be an amp after the tubes warm up, slightly more with a lower line voltage.
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I'm of the opinion that if a cap needs to be reformed, it should be replaced. Capacitors are cheap, especially when compared to replacing a power transformer. Your ears will tell you if your new equipment has a hum in it.
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I'm getting real interested in building this. I have a pair of Hammond 1615 5Kct to 4,8,16ohm 15watt transformers from a Glass Audio Single 45 Amp I made back in the 90s. The power transformer opened up once, and after replacing it a few years later it developed a hum. I'm done with it and want to make something new. I was looking at the Moondog 2A3 monoblock schematic but the tube price turns me off. Being able to reuse some of the parts from the 45 amp is a plus here.
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+1 on the foil inductor mounting. I've never done it, but the first thing that popped into my head was using a fly cutter, then a chisel, then RTV, what a mess that would have been. Dean, yours look elegant.
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I took a pair of '89 Heresy IIs with me on a destroyer in '97-'98 when I was finishing soldering my Glass Audio 45 amp together. Eleven years at sea on five ships cured me of wanting anything to do with having a boat of my own.
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Could you post a picture of the fuse cap, preferably on top of a steel ruler? Someone may a spare or have one in a parts bin on the workbench.
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Sold
in Garage Sale
Beautiful speakers. I plan to do the same upgrades to my '67 Khorns. Nice work.
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Three decades ago I was the envy of my friends when I had four Bose 901s. I even hung them from chains at both ends of the living room. Good times listening to music videos on Sony Beta tapes. But I realized I was missing bass, then I wondered where the treble was. I realized there was no magic in those 901s, that 9 midrange drivers only produced midrange sound. So next came 2 LaScalas, 5 Heresys, an Academy, and finally 1967 Khorns. My ears were the persuasion to Buy Other Sound Equipment.
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Hi Brac,
I compared the drawing with the picture and everything looks like its going where it should. Did you try any resistance checks on it? 1 to 3, 1 to 5, 1 to 7, and 2 to 4 should be zero ohms. Try comparing resistance readings on the bad crossover to the good one. I've installed terminals (in a hurry at work) where I crimped over the wire insulation and didn't get a connection. At home I strip the wire, flux it and the inside of the connector, crimp with a MIL-Std crimping tool, then solder the connector.
How's that Academy sounding? I wear the Klipsch shirt you sent me occasionally. Last year I moved from Colo Springs to Little Rock, 74 miles from Bob Crites and 115 miles from Hope, though I have yet to visit either.
Let us know what you find on the crossover.
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On 4/9/2017 at 5:02 PM, codewritinfool said:
Yessir, this is correct. And when I changed the speaker connections l/r at the amplifier, it stayed with the right channel. I have some more honeydo stuff to get done today before I can retire out to my workshop and swap the actual crossovers.
Your profile shows Super AA, did you find one of your Type A crossovers was the problem that caused the buzzing?
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10 hours ago, Maximus89 said:
9V battery test - no movement or pop.
What am i looking at? Do i need a replacement?Did you test the 9V battery first to see if it is good?
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I have a wife with an Imelda Marcos syndrome. Your excuse?
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I'm sorry. That Fender amp just reminds me of a purse.
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WOW. The way the urine completely destroyed the crossovers is disturbing. Both speakers became hazardous material areas because someone either didn't know their worth or didn't care. I wouldn't care to bring them inside - ever. I'd vote to scrap them both, maybe worth a hundred bucks for the K400s - if someone else pulled them and washed them. I had mice in my project truck in the garage, every time I worked on it I had to stop due to coughing and wheezing from the waste. Rodent waste is nothing to mess around with.
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An old Tripp Lite Isobar, mostly because it has 8 outlets on it. 4 components have been plugged into it since 1991.
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Bill, that looks like you're all set up and ready to listen to music.
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Nice preamp there. I've been following your upcoming Belle build. I've been looking for a center channel for my Khorns for several years. An Academy didn't do it for me, and the La Scalas I had were weak in the bass area, so I've got a K400 waiting and am trying to decide on a Belle or a Cornscala. Please keep us updated on the construction.
Dave in west Little Rock
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You can make your own with a LM317T regulator. Adjustable from 1.2 to 37 volts at 1.5amps. It'll need a heatsink.
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How much does the Heresy III upgrade kit cost? Does Klipsch ask for the old Heresy II parts to be returned?
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I use a 4PDT toggle switch to go between my Khorns and two amps.
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Welcome to the forum. Your Khorns are beautiful. I also have a pair of 1966 Khorns, K-C-WRs I bought 26 yrs ago from the original owner who was on her way to a nursing home. They'll likely leave my possession under the same circumstances.
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I used Monster Cable for my 1987 LS-FB La Scalas which I sold about 1992. I didn't notice a bit of difference between the Monster Cable and 3rd world Asian lamp cord that I had been using when I first bought them. I gave the Monster Cable to the La Scala's new owners who were overjoyed with receiving it. It had a thick clear insulation which showed how the copper inside had turned green, and I was happy to get it out of the house.
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Limited range maybe, but some are just as passionate about their sound and components. A luthier friend of mine searches for vintage parts when building a copy of a particular musician's guitar, even going to the point of getting vintage wire between pickup, tone controls, and jack. You should have seen the look he shot me when I suggested he consider recapping a vintage amp in the interest of its longevity.
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we274b/5ar4
in Talkin' Tubes
Posted
What circuit do you plan to use it in?