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JL Audio 500/1 mangled remote terminal
Now that I have this amp running the only thing left is the remote terminal replacement. Does anyone have any ideas? I guess I am lucky this guy didn't hit any components but he did tag the circuit...
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KT88 shootout vintage vs new vs 90
There has been talk lately about the Genelex reissue KT88 and its reliability and the reliability of New Sensor.Let me start out by saying,i'm not a tube dealer so the interest I have in posting this...
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Alps rk40 Black Beauty? Please help identify!
I opened an old heavily modified Audire Diffet 1a preamp that I got in a package deal years back and found a couple of older Alps 50kx2 attenuators. After searching the web the only Alps model that...
View ArticleSecurity Tokens
So here I am just minding my own business trying to attach some photos to a post & this "security tokens missing" denying me the ability to attach these photos. What am I doing wrong is it the site...
View ArticleO2 help with bass boost and 1/4 jack mods
Hello everyone. This is my first post and i did some research before posting but i couldn't find a direct answer to my question. I plan on building an O2 or at least ordering the parts in the next...
View ArticleWant to buy: Firestone Audio Tube Head preamplifier
Looking for one of these in very nice shape. Thanks
View ArticleSubamp with ~ 1000 W RMS at 4 Ohms, built at low cost
Hello guys. ...at first I want to apologize for my bad english. I have no practice at all, and only remember a little of school education in this language. Please don´t think too bad of me, therefore!...
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OPA7 discrete op-amp modern design
yet another discrete op-amp useful to drive a diamond power buffer @low voltage :smash: Attached Images OPA7 DISCRETE OP-AMP.PNG (75.9 KB)
View ArticleString mounted dipole
I've purchased a pair of BG Neo8s and I'm considering my options on what type of system to build with them. I want to pair each Neo with one or two 6-10" woofers probably in an OB configuration. I'll...
View ArticleDIY Trace Elliot V8 w/ 8 KT120
I managed to scrounge up: Enormous Trace Elliot V-8 power transformer Enormous Trace Elliot V-8 output transformer Trace Elliot V-8 power amp printed circuit board (unpopulated) Trace Elliot V-8 preamp...
View ArticleMonster HTS 3600 MKII
Hey guys... needing a schematic for this unit. Mine just wont turn on anymore :headbash:
View ArticlePioneer SX-1050 Re-Capping - Film or Electrolytic??
Pioneer SX-1050 Re-Capping - Film or Electrolytic?? I have read numerous well-written technical articles on the attributes, both negative and positive, on the electrolytic and film capacitor debate. I...
View ArticleNeed a little help with a L 20 amp
My 15 year old nephew built his own speakers so I figured it would be cool if we built an amp to power them with. I bought a L 20 amp kit from china and taught him how to solder it up. I picked up a...
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Clarion APA450
I cant get any output out of any of the 4 channels.. I have + - rail voltages I get + - 15 volts on all op-amps.. I get rail to rail oscillation on the outputs.. Any ideas what to check next?? Attached...
View ArticleWall socketed 2 watt speaker survives undamaged?
Surprisingly this crappy 8 ohm 2 watt max television speaker has survived being destroyed by the wall socket and still sounds very clear with no audible distortion artifacts in the audio stream A...
View ArticleHook up?
I just purchased a Audio Research S10HO 100watt subwoofer which came with no instructions. Nor can I find any manual on the web. Can I hook this up to my Rotel RC1070 pre-amp? And if so what...
View ArticleMistakes you Learnt from! (might be helpful for beginners)
Today I was thinking about mistakes I made in the past building amplifiers, things that today i would do differently. I thought if we keep this thread nice, simple and to the point it will be helpful...
View ArticleHeat Sink-Transistor Insulating Tape?
Hi, all: Can someone tell me where I can buy replacement tape that goes between the power transistors and the heat sink (and the aluminum hold down bar) in a car audio amplifier? And what is it called?...
View ArticleWhy do we need I/V stage for AD1865
I observed nearly all AD1865 DAC has an I/V stage. Since AD1865 has Vout, why do we still need an I/V stage?:confused:
View ArticleBurned woofer voicecoil Castle Durham 3
My amplifier broke down and put DC on one of my Castle Durham 3 speakers. I like them very much and would like to get a replacement woofer. I have contacted Castle and they told me to contact a...
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