Quickie High Quality Attenuator
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| Posted on January 14, 2016 at 10:02:33 | ||
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Posts: 9730
Location: East of Kansas City Joined: January 10, 2005 |
   I put this together as a "temporary" attenuator, for my latest audio chain at home. I am currently setting-up for myself THIS : a Pioneer Elite Blu Ray player ( BDP-09FD ) into this attenuator, into my mid-2015 built Type 45 two stage DC amp, powering stock ALTEC A7 enclosures, with vintage alnico ALTEC 515B 15 inch drivers, run full range, direct ( no crossover inductors, etc. ). Everything is SO critical, audible, in optimizing ALTEC systems, and its a set-up challenge I relish. Once I am fully familiar with the full-range 515B / A7 enclosure combination, ( soon ) I have ALTEC 802D tweeters to add, freshly rebuilt from GPA ( Remagnetized and new 16 Ohm OEM diaphragms ). I will place 802Ds ( using one-to-two inch adaptors ), on the " SHOWCO " equivalent of Emilar EH-500 horns ( Joe Robert's highly favored small-format horn ). The attenuator is a Bourns 10K precision wire-wound linear pot, three turn, and I am using the best I could afford parts : Vampire RCA jacks, Kimber Kable AGSS hook up wire ( similar to all-copper TCSS, but this is expen$ive all-silver wire ), Wonder Classic solder, and as SHORT as feasible wire lengths, as low-loss, as possible. A second attenuator is in planning stages, using TWO of these precision wire wound pots co-joined, as a LADDER attenuator for each channel. It will also have a signal switching capability between three sources. I REALLY like using the three turn pot, for channel level control, verses one turn !! And, this simple little " quickie" attenuator is serving me well, and it sounds mighty good to my ears! Hope you enjoyed seeing it. Jeff Medwin
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| RE: Quickie High Quality Attenuator, posted on January 14, 2016 at 10:55:29 | |
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Hey Will, good to hear from ya! Glad you're still digging' the 845.
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