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RIAA Pacific rookie attempt
Hi everyone, My RIAA literally went to smoke, so my 1210 is just staring in the wall doing nothing, i thought this was the best excuse to make an attempt on building the RIAA Pacific. I have made a...
View ArticleFS: MiniDSP, Dynaudio, CSS, measurement mic/USB preamp, Rotel, Outlaw
Hi Everyone, I'm cleaning out my office and have a few items available for sale: 1.) MiniDSP 2x8 - Works as new, can include power supply. $225 shipped CONUS 2.) MiniDSP 2x6 - Was a 2x8 but channels 1...
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DDDumy Load, a versatile power dummy load tool
The name is just aligned on all my DDDAC stuff, so a bit a joke. The Dummy load however is not! You know this: Testing an amplifier or power supply, fumbling together some resistors which are in the...
View ArticleFeedback, differential? the next advance.
LTspice has a nice Tian probe to study feedback. There is also the more complex but even more informative Middlebrook2006 method. Better information on differential feedback is now the next step...
View ArticleSelecting PSU caps
Hi People, I am seeking help and advice on selecting electrolytic caps for a tape machine I am rebuilding. I say rebuilding I am actually getting a pro to do the complex stuff, but to save on some tech...
View ArticleJuma's LSK Preamp - SMD version
I am opening this up for those interested in getting some boards. I was planning on ordering 20 sets. I will post a BOM later. This is a pre-curser to an eventual balanced version if i like what I hear.
View ArticleRectifier question, voltage across diode.
I was reading an old thread about using thyratrons as rectifiers. Basically, a person said the PIV is 300v, so can't use more than a 300-0-300tx. But then later went on to say he built a bridge...
View ArticleTMM(2.5) or TM 14L w/ MiniDSP
First off, thanks Tinitus, Dissi, and DumpTruck for clarifying some things in my last thread and sorry for creating a new thread, but I figured the title of the last thread no longer applied. I'm still...
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peerless & seas 2-way
Hi friends, i need some suggestions. I have built a pair of speakers with 2 piece of peerless 830860 in paralell. seas 27tdfc as tweeter. I have put together a crossover that sounds okay, but on some...
View ArticleGuidance on Router Bits and Saw Blades
I'll be embarking on my speaker building journey soon and need some advice on equipping myself with the right tools before I begin. For cutting flush mount driver holes and recesses, is there a...
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DATS measurement of 15w8530K01, odd?
I've been using the Dayton Audio Test System to test my scan-speak mids, the 15w8530K01. I've attached my results for the two drivers, also an average of the two and then what the data-sheet suggested....
View ArticleFor you Fluke fans
Dave Taylor worked on the Fluke 8020, 8040 and I think 8060 meters plus a variety of other kit from that era. Not sure if this is the right forum but I think so. This is from the EEVBlog site, where he...
View ArticleHelp with PC based loudspeaker system, ground up.
First off, I want to preface with the fact that I'm a bit embarrassed that I'm starting this thread because I can tell that there is a huge amount of knowledge already posted on these forums and I know...
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January sale on parts from SITO Audio.
Hi all, We have being cleaning up. We have TSSA and PSU PCB on sale offering 20% on the prices below in January. Normal prices are: TSSA V1.6 PCB with SMT assembled and KSC3503, KSA1381, ECW20N/P20-Z...
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My attempt to Lampization , need some help :)
Hello ! Im trying to modify my Technics SL PG 440A Cd Player , bypassing the player internaal output stage with a SRPP circuit using 6N6P Soviet Valves following Lukasz Fikuz schematics. In a shorter...
View Articleresistance between GND and digital signal
For a number of years I've been happily using three home grown AD1865 dac units - all relatively simple circuits with passive i/v stages. Whilst playing around with different i/v resistors, I noticed...
View ArticleSticky photo thread?
Is there a way we can have a sticky thread for car audio systems such as the Multi-way forum? Such as this: http://www.diyaudio.com/forums/multi...scription.html
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TDA7297 Board Layout
Hello. I got a TDA7297 board and I'm linking the sound but I don't like the pcb. I don't have room for decent parts, and I want to add several PS caps on it. So I decided to make my own (eagle fever :D...
View ArticleChoosing a SE 2A3 shematic : hum as a criteria...
Hi All ! Of course, I read a lot of treads before to ask this question. As I wrote in a previous post, I'm looking to find an interesting (not too complicated) SE 2A3 schematic as a winter project. I...
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