Boomy Bass vs. Cabinet Volume
I'm currently working on building and designing my first pair of tower speakers. It uses pretty cheap drivers because i'm in college and for all intensive purposes it will be a party system (the...
View ArticleModelling the Pensil CHP70 with the Martin King Spreadsheets
Hi, I'm trying to get familiar with the Martin King spreadsheets and I thought a good place to start would be modelling the Pensil with the CHR70. I did this using the "open ended with offset driver"...
View ArticleDAC input selector circuit help needed
I have a small DAC that uses the UDA1352 audio DAC ic. Right now I just have a switch between the coaxial and toslink input to select which one to use. I would like to add a circuit that would...
View ArticleLarge scale open baffle
I'm working on the use of a large-scale dipole to use as a "music speaker system" in an installation where there is a center-mounted "speech-optimized" loudspeaker. The point to this question is: Has...
View ArticleBroken CAS2 Amp
Hello all, I collect old solid-state amplifiers and recently rented will problem with my CAS 2. I have only owned it for two months, and it worked great until today. While demonstrating it for friend...
View ArticleB&O ICEPower 500ASP Class-D Amplifier Modules
I have two B&O 500ASP modules available. Bought them new 18 months ago but only mounted them and used them for 2 months in the summer. Currently configured for 110v with the correct fuse. They...
View ArticleSubwoofers: are they really necessary for home audio?
I have two speakers for music listening and the give me a good bass, do I really need a subwoofer, or as I read around here, multiple subs to get a really good bass? Anyone has a good experience with...
View Article'hybrid' crossover
Hi ya'all :) Just an idea... I have quite a few speakers and amps built under my belt with , as usual, a mixed mixture of success from awful to simply astonishing! Most of what I designed and built was...
View ArticlePreamp or receiver?
I've been searching around but can't find any recent posts on this. I'm still fairly new to the home audio world but I picked up some equipment and I'm trying to find the best way to utilize it. Right...
View ArticleNearfield sub response
Markus Mehlau posted an article on his site showing that the response at the listening position was extremely good for subs placed close to the listening position. Comparison of different near field...
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Both Kirishima finally finished and home!!
Been working hard to get both of these finished before this weekend. Best friend coming down and we are going to have a music weekend,have a few?? drinks and enjoy a bunch of pairs of speakers. Will be...
View ArticleWanted: CDM9 Pro CD Spindle Motor c/w ribbon cable
Looking for a CDM9 Pro CD spindle motor with integral ribbon cable. I will also accept a complete "dead-laser" CDM9 Pro assembly as I am looking just for the CD spindle motor. I know its a long shot...
View Articlesibilance background noise in Amanero I2S and TDA1541
I am designing an NOS TDA1541 DAC using the datasheet official circuit using amanero I2S input, when set to 16bit 44.1khz, there IS Sibilance noise in the background, but set to 24bit 44.1khz, NO...
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Lab Power Supply Question ???
I can purchase this power supply, I'd like to know if this will meet my requirements ? Is this a unit that I'll not out live, I'm an Amateur but would like get the good gear first...will this lab...
View ArticleHelp Needed - Push Pull Transformer replacement
Hi, I am a newbie here and is seeking help on the headphone amp section of my hifi preamp. Basically, I got hold of a Cary SLP-05 preamp recently which states it has a dedicated tubes driven (6sn7)...
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Will this work as a heater for 300b?
Hi all! I have a TSE with 300b tubes that hum for the first 2-5 min when i power it on. I have discust this with you people here before..but it's time to take care of it now :) Today i use the 6,3v AC,...
View ArticleSchematics for an opti2000d driver module
Hi, I'm in trouble with the repair of an amplifier, the third in a series of 8. It is a Lanzar OPTI2000D, I was able to check that all the amplifier is intact, except for the driver module, in fact, I...
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Fostex FE126EN Build
Hi I am new to full range and have not yet heard one. I have purchased a pair of Fostex FE126EN speakers after reading various forums from Wilmslow Audio. I have had some box's made to the Fostex Spec...
View Article6SL7 in parallel driving 6550
http://www.anc-tv.ne.jp/~suzuki3/amp...EL34%20AMP.pdf Has anyone tryied this amp??
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new 3" fullrage (use AIR 320)
new works ,named "sesame" black piano lacquer use AIR a320 , 3" speaker,15w 4ohm ,exrewmely low distortion. natural and exquisite include "LCR" :0.17mh,36uf,8ohm Attached Images...
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