250/1 JL amp help ??
The amps in a classic mini and powering a kicker square.. Every thing was wired in and working fine for months then it blew a fuse soo I replaced that and it was grand again for months until it blew...
View ArticleNAD 319 Repair
It's like an addiction. I've found I love repairing amps. :confused: Anyway, I have obtained a blown NAD 319. I have done some checking and found that it has lost its +67V rail. Found that the fusible...
View ArticleMCM 55-2195 mystery
Beautiful speaker that I cant find specs . Looks like 8" and definetly a woofer. any body have knowledge of this unit???
View ArticleNewbie looking for a cartridge (for his new Thorens)
Just found my first TT (a Thorens TD160) but it needs a cartridge. I'm on a budget, listening mostly jazz and I like a warm sound (don't like great detail due to a tinnitus). Amp is a Nad 3020. It...
View ArticleNo clue with Fairchild FPS Design Assistant-Excel
I'm trying to design a tube power supply with several outputs. I know this tool works for the application, but I have no idea how to plug in my variables. In fact, I have never used Excel before. Can...
View ArticleHelp me pick a woofer!
I am trying to figure out a good replacement woofer for my Realistic (don't laugh) T-200 cabs. I am just having a helluva time trying to find the OEM drivers so I figure I would go after'mkt. The...
View ArticleMy time at Hovland - HP-100 Lore
Every once in a while I see a post about Hovland and the HP-100 preamp. I worked at Hovland as a bench tech for about 3 months in 2002. I thought that since enough time has passed I would document all...
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HT Front Stage Designs Using Markaudio Alpair 10.2 - Plans, Feedback and...
I had a previous thread over in the Markaudio forum where many excellent suggestions were made to improve my design. The initial idea was to build an LCR (identical speakers for the front three...
View ArticleNew member from the UK.
Hello All, Just joined the forum, I have been interested in Audio for many years. Mostly to do with reel to reel recorders. Started in the early 60s and have built a few speaker cabinets,...
View Articleamplifier going out with a pop. Bad ground?
i have two jl amplifiers. One xd 400/4 and one slash 100/1. Both on the same ground on chassis. Now the slash goes out randomly with a loud pop! Noise. Is this because i put them on one ground....
View ArticleBorbely HB-DAC1704 V. 1.01
Hello, Does anyone have a copy of the HB-DAC1704 V. 1.01 datasheet? I have lost my old copy somewhere and and cannot remember the SPDIF pin in configuration. Secondly, has Erno Borbely passed on? The...
View ArticleNeed help fixing/trouble shooting kicker ZX 700.5
Couple of weeks ago I was doing some work on my system and accidently made contact between the sub output wires. It happened before, and the amp has gone into protect, but this time it stayed in...
View Articleswr readhead amp fan always on
when I turn the amp on , the fanstart and do not goes off
View ArticleLine_array xover
My next project is to build line array with these parts. https://www.solen.ca/pdf/dayton/PT2C-8.pdf https://www.solen.ca/pdf/silver/w17rc3808.pdf There would be 9 mid-bass and 9 tweeters in each line...
View ArticleGrado RS1 headphones
I have a set of cans, the Grado RS1 and I like them immensely how about you?
View ArticleQuestion
I have a Lepai 2020 hooked up to 2 of these: TS-G4643R - 4" x 6" 2-Way Speaker with 130 Watts Max. Power | Pioneer Electronics USA I wanted too hook up either a sub or another 4 inch 2 way....in total...
View Articlerega arm rewire
guys i'm in the process of rewiring a 80's rega rb300. any of you know what i may be doing wrong? removed the rubber plug near the cartridge end but nothing i do will let me remove the din plug at the...
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What can i do with this?
i have a couple of old power supplies that are begging to be turned into amplifiers. this transformer is huge.... i have 2 of these that i got for free, one works, one does not. i have a lab grade and...
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Tight Budget, Which Drivers should I choose
Hello all, I am looking to upgrade my current (low end) DJ setup a little bit for an upcoming event. I have been actively watching craigslist and Ebay for used gear but nothing interesting has showed...
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