Posts filed under: Exotic Parts

I always have dream to have a separate and dedicated passive volume control. There was a time when I was offered to acquire few sets of Grayhill ‘M’ series rotary switch. Although it has 7 Decks which definitely overkill for...
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So far, my current reference for solder is WBT. Price and performance wise, this is one of the best from my point of view (also point of listening). But somehow someday, I was intrigued to try Mundorf top of the...
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I always enjoy the beauty of vacuum tube, especially when the heater is glowing bright on thoriated tungsten tube and in a dimmed room. The photo below only taken for fun. I power up the EIMAC 8165/4-65A tube with 4x...
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I ordered Duelund CAST Cu capacitor few months ago. I already have Duelund CAST Ag (Silver) on my Aikido Preamp. But I wanted Duelund CAST for my future amp (probably it’s gonna be another abandoned project?). As the CAST Ag...
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It’s interesting to hear how does this low end capacitor would sound. So I eventually try to obtain it. I just can’t stop my passion in this. Sigh… Priced at very low value (just a little bit more expensive than...
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As  my Sowter Choke Input was acquisitioned by my friend. Then I have to consider some replacement. Actually my friend was interested with Hashimoto or similar, but as most of the Choke Input was designed for power amp, instead of...
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I have been a fan for Black Gate for quite long time. My first time impression probably nearly 10 years ago. I forgot whether I heard SKz or WKz at that moment, but I did remember the beauty of tube...
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Last upgrade, the switches. Basically, in most tube application, we will use two switches. The first is the main switch which will control the main AC voltage to supply the main transformer. The second one is the one which commonly...
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This is the final choke upgrade that I’ve been waiting for quite long time. After some discussion on the phone with Brian (1 day before his birthday), finally I finalized the order. Custom made from Sowter UK, a Choke specified...
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To tweak a lot of things, usually I reserve a good set of tweaking tools. One of them is the tape. The function, mostly, is to seal something (wire/chassis/transformer) in order to prevent unwanted outsider interference to come in. During...
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The upgrade not yet ended. I still have something to finalize my Aikido PreAmp. I go to upgrade some section in order to make it firms before fitting it on the new chassis. Here we go. First, we will install...
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Not just Lundahl here, I also ordered custom choke from Jack/Electra-Print. I contacted Jack and asked him to create a Choke, with requirement to be placed in Input position. He offered me a VPI technique which (according to him) enough...
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