8/9/2023 0 Comments Clone x cubeI basically went through the entire thread about three times in order to condense all of the info. Thanks to JiggaD369 for compiling a list of mods mention in this thread! If you have a little DIY experience or want to get your feet wet without the complexities of putting together an entire amp this is a great start! This is a steal at around $100 shipped for a finished board. The bass goes low and hits effortlessly and the mids, while still forward are smooth. This is a fantastic amp for the price! Fast, dynamic, and works well with all my headphones.Ĭurrently I have mine set at gain 0 and it really brings my ATH-W1000X to life. I'm not the best amp reviewer here but the review of the Matrix M-Stage's sound signature all applies here. The amp is now totally silent with no music playing and the volume turned all the way up with my 42 Ohm ATH-W1000X's. I had to ground the Alps pot to the star ground in my case. I'll update this section once I get a new case or get this issue resolved.Įdit : Buzz is now gone. I hear buzzing on my low Z phones when I touch the volume pot, I think I need to ground it to the case. I have a minor grounding issue since my case does not have a faceplate. My current install in a old external CD-Rom chassis powered by the DY-1 power supply that came with the Head Direct EF-5 amp set at 16V AC. Going to reserve this space for further impressions. Here's a internal picture of a real Lehmann to get an idea of how things look wired up. The amp has an internal PSU so all you need to provide is a 15V AC transformer. Lastly the power input with convenient screw terminals. I did not connect this in my installation. Next to that is the 2nd inputs, I believe these are muted if you plug a headphone into the 2nd headphone jack. Pretty nice addition since you can use it with a voltage regulator to power a DIY DAC. It is used in the USB version of the Lehmann BCL to power the DAC and USB ports. The center 3 connection points output 15V DC. On the far left is the primary input, grounds in the center and signals are the outer connectors. In the picture above I've labeled all the wiring points for everyone's reference. All components look to be name brand and high quality.īe aware that it came with no instructions of any sort, so you'll have to be a little familiar with DIY. The amp arrived via normal HK Post about 2 weeks after I ordered it. I switched the SOP + adapter for the DIP8 version of the OPA2134 I had laying around. Here's some pictures I borrowed from the ebay auction:īottom of the board with the Gain adjustment DIP switches. The Lovely Cube is an exact copy of the Lehmann BCL where the Matrix M-Stage is a slightly altered version. The vendor also sells the rest of the components you need to complete the amp: 220v transformer and case as well as unpopulated boards. It runs about $100 shipped for a fully populated board, a pair of nice quality RCA jacks, some heat shrink, a few SIP connectors for the inputs, and a couple of LED's. The "Lovely Cube" is sold on ebay by Laser Collection.
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