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October 23, 2017, 09:09:44 PM *
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1  General Category / Music / Carolina Uprising on: Today at 08:41:35 PM
So, last Saturday I went to Cary NC to see Poco, Pure Prairie League, Outlaws, Marshall Tucker and Charlie Daniels.  It was bittersweet since there were some pretty good performances and I wasn't in the top 95th percentile of age.  Grin  Some bands relied on a single original member and a name, but they rocked the Southern anthems pretty well.  I suppose I liked the Outlaws the best with their twin lead guitar work and that "old man kick ass" attitude... and they sounded powerful. 

I won't get into naming bands that need retiring sooner than later.  It wasn't that they couldn't still play well, but more of a loss of enthusiasm and quality sound.  The sound was the strange part since all used the same house PA system which was very good.

Next up???
2  General Category / The Truth Pre Amp / Re: changes to The Truth.... on: Today at 07:34:56 PM
I visited Ed, the new Truth metal case is an attractive step up from the old case.

Also, I heard the four tube TS Beast for the first time.  With regards to amplification, I'm really not sure where one could go from there.  It really is that good.  It may be time to save the pennies and look for that rare used example.
3  General Category / General Discussion / Re: WTB... Fostex T-90 Supertweeter on: Today at 07:25:01 PM
Thanks the Ed and Capt. Z for the cap value recommendations, that alleviated a lot of frustrated decapitation.  The Fostex tweeters work great with the 50 yo Bozaks with 0.22uF caps. 

BTW, I have all the Bozak info including the bill of sale from 1967.  They were owned by Lloyd Smith, sax/woodwind player who was inducted into the St. Louis Jazz Hall of Fame.  They were parked in his den from '67 - '99 when he died.  Lloyd traded a McIntosh C22, a McIntosh MC240 and two University speakers plus $1071 for the Bozaks.  Big money 50 years ago. 

I'm the third owner and got these from a guy that had them rewired and the crossovers renewed with caps and resistors.  These speakers are pretty special in that they can be tri-amped if someone gets insane like the second owner did with his mountain of McIntosh boxes.  He advised me to get a decent amp and just enjoy them... and I do from time to time.  Smiley

My HS Model 2/Heils are the reference and more accurate, but it's fun to step back and let these old gals rip.  The strange part is that these two very different speakers share many good traits.  Rudy Bozak made some pretty nice low mass woofers and midranges that still hold up well today.
4  General Category / General Discussion / Re: WTB... Fostex T-90 Supertweeter on: October 09, 2017, 03:01:55 PM
Cool Capt, thanks.  Mine are in the 90dB range so I was hoping to hear that low values would be a good place to start as I'm becoming penniless in my old age (those 1-1.5uF caps get pricey in the high end brands).  I should be able to rake through a decade of failed experimental parts to make something good happen.  Wink

5  General Category / General Discussion / Re: WTB... Fostex T-90 Supertweeter on: October 08, 2017, 04:58:47 PM
What cap do you use in the Sapphires?  I'm going to pair the T90a with some Bozaks. 

Heils are the way to go with Horns for sure.  Smiley
6  General Category / General Discussion / WTB... Fostex T-90 Supertweeter on: September 27, 2017, 05:36:07 PM
Do any of you guys/gurls have a left over pair of T-90s from the days before the Horn/Heil two-ways came along?  I didn't buy a pair back in the day and would like to try them on a vintage speaker I have in a second system.

If you'd like to sell a pair, please let me know via PM or email. 

Thanks,
Henry
7  General Category / Technical discussion / Re: IC's made from Belden 8402 mic wire on: September 23, 2017, 06:55:26 PM
Just an update...  It's hard to believe a year has passed since I've messed around with these Belden ICs.

Over the past few months I've made some Belden 8402 and 8412 ICs using the Switchcraft black/gold RCAs and I can't tell a difference in the two cables.  I really do like these ICs and have found them to provide good imaging, detail and frequency extension.  Clarity is a word that comes to mind when I use them.  They seem to sort out complex music passages very well.  They are flexible, robust and quiet. The RCA connectors are well made and fit their respective jacks perfectly.  So far, I can't find a reason to fault them.

I got the Switchcraft connectors at Best-Tronics and have found the Belden 8412 cable at Parts Express by the foot.  The Belden 8402/8412 are identical on the inside; the outer jackets consist of different materials.  The 8412 is much less expensive, so guess what I go for.  Wink 

Best-Tronics still sells the 8402 cable in bulk or assembled into ICs.  I do have a pair of the finished 8402 ICs from Best-Tronics and they are well done.  I was able unscrew the plug covers and look at the construction.

The Belden ICs better the Oyaide PA02 with copper Eichmann connectors IMO... and do it for less money.  So after a year of living with these Beldens, I'm making more.  I guess that makes them keepers.

Next up are Bob Crump's Belden 19364 power cables.  The cable appears similar to the Volex cables many of us have been using, but have a definite twist in the three conductors within the jacket.  Bob recommends certain inexpensive IECs and plugs for cobbling these together.  We'll see what happens when following the recipe, just waiting on the IECs to arrive.  I'm trying to be faithful to his recipe before commenting on how good or lame they are.
8  General Category / General Discussion / Re: Thinning the herd... free stuff for Horn heads and like-minded folks on: September 21, 2017, 06:04:17 PM
I am actually not too far from you at the moment, but it may be a little difficult to put them in a suitcase to take with me in two weeks when I return to Spain Sad

Capt, just get two pet carriers and check them in as pets at the airport.  Wink

9  General Category / General Discussion / Thinning the herd... free stuff for Horn heads and like-minded folks on: September 21, 2017, 04:28:44 PM
I have a way of attracting vintage audio gear and stray cats.   Huh

Anyway, a lady I know has a dad that was getting rid of his stuff to move into a smaller place and she knew I liked things that make noise and consume electricity.  So... I now have a nice pair of Advent 2W speakers that are survivors.  The cones are in good shape and after almost 45 years the woofers still have the original foam and with some love may last a while.  I guess the old guy took it easy on them. 

They look to be bookshelf two ways using two paper cone tweeters and a 6.5" woofer.  The "W" designation means they have walnut vinyl veneer that looks decent for their age.  The grills are black and I don't remember seeing the Advent logos.  They seem to work fine and look original except the grill cloth could have been replaced, but again, they look right.

I live near Charlotte NC and wander off to Ed's house sometimes.  If someone local to those areas wants them, I'll meet you or you can come to pick them up at my house or Ed's (I volunteered Ed as a drop off point without his permission).  No boxes or shipping, they just aren't worth the hassle for me.  I'd drop them off at a charity, but the idea of some jackass ruining a decent pair of old advents makes me cringe.  And screw Craigslist.  Here's a photo I nabbed from the interweb because I'm too lazy to take my own:





I think you need to be logged in to see these weird renditions of Advent.  Just think of the girls conquered while they oozed some Pablo Cruise and Little River Band.  Teamed with an underpowered Marantz receiver and a BIC turntable, they probably rocked the yacht back in the day.  Come on and give them the encore they deserve and let them rock your vessel.  Grin

ALSO... I have a single Optimus Pro 77 from the same guy.  Unfortunately they couldn't locate it's mate.  Done in white metal and in good condition. it may make a test speaker or an extension for a garage radio, etc.  The Pro 77 is the big brother of the more common Minimus 7.  It has a rear port and a hanger.  I may ship this one if someone really wants it, otherwise off to Tabbycat for Humanity.

Just PM or email me...
10  General Category / General Discussion / Re: Audiosector LM3875 kit amp no longer for sale on: September 11, 2017, 10:39:44 PM
BTW, I found an input sensitivity number of 0.6V.  That wasn't for this specific model, but was for a similar stereo version (Amp 1).

The Truth provides plenty of gain, more than the other amps I have used.
11  General Category / General Discussion / Re: Audiosector LM3875 kit amp for sale on: September 10, 2017, 11:59:13 AM
Hey Heny, what's the input sensitivity? Will it work with The Truth and a "normal" output source?
Ed

Hey Ed, the input impedance is 22k.  I had never hooked the Audiosector to the Truth... and wow.  Thanks to your question and five minutes of plugging in wires, I'm keeping it. Grin

The Truth preamp and AS amp are in love.  I have no idea why this works so well.  Hooked to two other decent preamps, the amp sounded a bit two-dimensional and lifeless.. 

I need another Truth.

Don't discount your amps until the Truth is in the mix.
12  General Category / General Discussion / Audiosector LM3875 kit amp no longer for sale on: September 09, 2017, 08:04:10 PM
See the follow up post... I'm keeping this amp.  

I'm looking to sell my Audiosector amp that was made from a Peter Daniels kit by me in late 2005 after I read a glowing 6 Moons review.  The review is still on line if you have plenty of time to wade through the BS.  

Peter Daniel was gracious enough to guide me as to the parts needed to mimic his Patek monos using fancy parts such as Blackgates capacitors and the proper resistor types.  So, this one has all the right parts to be similar to his beutiful Patek... except for the chassis.

I used a nice single Lansing chassis.  The toroid power transformers are the correct Plitrons.  The binding posts are WBT midlines.  There are two power switches with fuses requiring two power cords.  So, it's essentially a monoblock pair in one package.

I really enjoy this amp and it has been trouble free.  It made a great fit for a second system that I used sparingly.  I hate to see it go, but I really need to reduce my toy collection.  It's quiet and sounds really good.  Bass is its forte and has been used it with a SEAS coaxial transmission line speaker to good effect.  Cosmetically, the amp looks very nice and clean.  I think I can round up some literature for the amp as well.  

I'm guessing there are >$700 in parts, so I'd like to find it a new home for $400 due to its age.  I'll eat the paypal fees and the amp will be double boxed.  Just email  or PM me if you have interest or questions.

Here are a few photos.
13  General Category / Technical discussion / Amp Camp Amps are out of stock, but... on: August 25, 2017, 09:44:21 PM
the mighty ACA will be back within a few months.  There is talk that the new ACA kit will be a single chassis, stereo amp having an on-board power supply.  Also, one stereo kit can be bridged, making more watts.

I hope DIY Audio Store makes this happen.  We'll see if they can keep the cost somewhat reasonable where two kits won't be a deal breaker for guys wanting to build a bridged pair.
14  General Category / General Discussion / Re: Ants in my Ac's Pants on: August 22, 2017, 08:31:51 PM
Thanks Ed, I'll get some Terro.  Years ago, I used the first generation of Terro.  It worked great because I remember it had some arsenic content and was bad for anything that ate it.  Good to control ants, cats, dogs, pesky children, etc.  Wink

I bet the new stuff is less hateful to small mammals, but still destroys the ants.
15  General Category / General Discussion / Re: Ants in my Ac's Pants on: August 22, 2017, 07:14:52 PM
So guess what?  More damn crazy ants doing the same thing again in 2017.  I treated in the spring and forgot about it.  That's another mistake I'll not make as it required a visit from my friendly HVAC guy for another $185.  Three 40 amp contactors in two years totaling $555, uggh.  Roll Eyes

For some reason the ants only get into the smaller upstairs AC unit and leave the downstairs unit alone.  The units are only three feet apart.  Huh

Fear the ant...
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