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  1. marantzfan

    Musical Paradise MP-DX

    I know there are a few fans of Musical Paradise DAC's on the Haven, myself included. A little while back I noticed a new flagship DAC/streamer listed on their website. https://www.musicalparadise.ca/store/index.php?route=product/product&product_id=109 Let me say that I have NOT been...
  2. marantzfan

    FS Kenwood KD-750 Turntable - $500

    The time has come to part with this one. I never thought the day would come but this one has been sitting idle too long. For consideration is a Kenwood KD-750 in excellent physical and mechanical condition. All features work as they should, including Quartz lock. Here is a link to thread with...
  3. marantzfan

    Sold Altec 604-8G Markwart Crossovers - $250

    The time has come for these to find a new (and likely forever) home. Based off the Markwart Simplified Altec Model 604-8H network with EQ, these were not cheap to build. I used NOS General Electric motor run capacitors, Mills resistors and Goertz 16AWG copper foil inductors. The hookup wire...
  4. marantzfan

    WEET Film and Foil Capacitors Anyone?

    I saw a post on Facebook today where a fella mentioned using these in a top flight crossover design. From the sound of it, he expects these to be a significant upgrade over Jantzen Alumen-Z caps… I have not heard of these…has anyone here heard of or hopefully used these that can comment...
  5. marantzfan

    Sold Altec 3 Way Speakers - $SOLD

    Well, the time has finally come that I need to part with these. As some of you will remember, this was quite a journey getting these built. For sale is a custom built set of speakers featuring Altec drivers. The bass cabinet is the famous Onken originally designed by Jean Hiraga with Altec...
  6. marantzfan

    Bleeding edge tech from Nasa….a vacuum tube?

    Saw this article on the book of faces and decided to share it here. https://www.extremetech.com/extreme/185027-the-vacuum-tube-strikes-back-nasas-tiny-460ghz-vacuum-transistor-that-could-one-day-replace-silicon-fets?fbclid=IwAR2tNSvtVrIBZDPzQBYF7E9xYAb7XUu_syl7roTHuQzjOLx_o3gQH6X4AW4...
  7. marantzfan

    DIY 71A on the Brain

    So…I’ve got a pair of Hytron 71A’s that have been sitting on my desk for a while. Not sure if I’ve left them there just to taunt myself or what..but ever since I built the Simple 1626, I’ve been curious about a SE 71A amplifier. I remember a comment JE made about the 1626 vs 71A in that blog...
  8. marantzfan

    Pioneer CS-H9 Japanese Mini VOTT?

    Well, I ran across a posting on Facebook today about these speakers that I had never heard of. The look similar to a VOTT bass cabinet with a (bent) multicellular horn. Two way design, 100DB/1W sensitive…. It’s the most Altec/WE Pioneer I’ve ever seen. Anyone here seen or heard this or a...
  9. marantzfan

    DIY SE 46 Build

    I’ve been planning on someday building either a 45 or 46 amplifier. Not really leaning more to one way of the other. @Audionut clued me into a local estate sale where I picked up a couple pairs of 46’s which made my mind up for me. Are these any good? Edit: Link to the page with the...
  10. marantzfan

    DIY Duelund DCA-12GA Tin Plated 600V Power Cords

    One of the few areas in this hobby that I have never broached up until this point, is power cords and power conditioning. Time to change that. While I was placing the order for the internal Duelund wire for my Hiraga 600hz crossovers I also ordered the bits to build a couple of power cords...
  11. marantzfan

    DIY MK1005B Horn Sled Project

    One of the remaining little projects left to complete is to create a sled or cradle for the MK1005B horn and 288-8K drivers to rest on top of the Onken cabinets. I've got a decent idea of how I'm going to put them together based on a combination of some different designs that I have seen...
  12. marantzfan

    Wasn't somebody looking for a Kenwood KD-750 tonearm?

    Because there is one for sale here: https://phoenix.craigslist.org/evl/ele/d/gilbert-kenwood-kd-750-tonearm-only/7180454606.html Not mine, no affiliation and all that. ;)
  13. marantzfan

    Thomas Mayer Black 300B Amplifiers

    I’m normally not a big fan of black on black. Particularly with tube amplifiers built with wood bases. But these are SLICK! Interesting how one selects the output impedance on these OPT’s too. https://vinylsavor.blogspot.com/2020/08/the-black-300b-mono-amplifiers-part-1.html?m=1
  14. marantzfan

    SUT Reference Sticky

    Over the years there has been a lot of discussion about SUT’s on the Haven. Intermixed in a dozen or so threads there is a ton of information. I’m thinking about compiling some Posts from these various threads into one thread. This thread. Any appetite for something like that? Also, if you...
  15. marantzfan

    Simple, cheap RPi Solution for streaming

    I was talking to my dad yesterday (who is NOT a technical kind of guy) about music. He's been listening to his stereo alot more recently but primarily his vinyl collection. He has some MP3's on a hard drive that someone gave him but he doesn't really know how to access them. But, it got us...
  16. marantzfan

    DIY DIY JBL 4425 Project

    So, I have a hodge podge of items that I realized come pretty close to making a pair of 4425 speakers. I think these will make a nice match with my Marantz 2230. 1. A pair of cabinet flat packs from the now defunct Fusion 12 Tempest speaker project from a few years ago. Since you can no longer...
  17. marantzfan

    Affordable Roon Endpoint

    So, I’ve used Roon now for a few years in my main system and really like it. I have a few other systems I’d like to get connected as well. For now, Roon lives on the CPU on my listening room, which is headless and I control it from the Roon app on my phone. It sounds like, I just need to...
  18. marantzfan

    DIY Hiraga 600hz (A5) Crossover - Sound Practices

    Now that the Onken cabinets are nearly complete and the MK1005B horns are officially in transit, it's time to start considering a crossover network. The plan is for an 8 ohm version of the original Hiraga A5 (600 hz) networks. as described in Sound Practices and adapted by Pete Riggle...
  19. marantzfan

    Markus Klug MK1005B Horns

    As many of you know I've already begun construction on a pair of Onken 360l cabinets which will house Altec 416-8a drivers. These will make up the LF portion of my "endgame" Altec 2 way build. As for the HF part of the recipe? Well, I've been lusting for a pair of Markus Klug's wooden...
  20. marantzfan

    DIY Onken Cabinet Build

    I’ve long said that my endgame speaker, would look something like an Onken 360l cabinet with an Altec 416, beneath a big multicellular horn and a pair of Altec 288’s. This whole pandemic got me thinking... what in the hell am I waiting for? Sell some stuff, make some space and let’s make it...
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