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protek 506 multimeter
hello. which multimeter is original? www.elektroda.pl%2Frtvforum%2Ftopic1470278-30.html
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Speakers low to the floor or on their sides
Trying to build something new for the apt (a large space with 12ft ceilings) and was wondering if there are designs for speakers that sit low to the floor. More specifically, if there are "tower" type...
View ArticleFS (2) 15W8530 (2) R2604/833000 in Melb/AUSTRALIA
brand new pairs of 15w8530 and R2604/83300, $450 for the lot pm or email valcomaustralia@gmail.com
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Dokorder SS-100 New Project
Today I picked up a pair of Dokorder SS-100 speakers in Palm Coast Florida. Couldn't find ANY info at all about them on the web. They are large (67" plus the stands) 4 ways (dual 12" woofers, 8" mid, 2...
View ArticleArcam Alpha 5 conversion from 220v to 115v
Hi, I found a thread relating to voltage conversion for the Alpha 8, is anyone able to help me out with conversion for the Alpha 5? I've just moved to the US, and would like to use the amp without...
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Help identify this tweeter
Came across a set of three-ways in cabs made by Pattison Electronics Canada? look to be early 70s with 12" woof, 5" cone midrange (with aluminum dust cap) and these dome tweets with unusual, IMO,...
View ArticleHifonics ODIN VI and Hifonics CYCLOPS VI
Hello. I have acquired these amp off CL list today. They were used as a pair, the Cyclops has a high pass output for the other amp to run off of. The odin is a 150watt 2 channel and the Cyclops is a...
View ArticleUnity horn spreadsheet query(ies)
Hello, I've made my first attempt at calculating a unity/synergy horn using the directions given in "the" spreadsheet for doing such: http://www.diyaudio.com/forums/multi...cal-horns.html The results...
View ArticleSWAP traditional Fi(TRON 7) for DIY kit
Hi Guys, I want to get rid of my traditional "hi-fi" kit to explore DIY way. I've ordered a pair of FH with MA driver and I'm on the list for the 2013 Shiga batch. So that means, that I need everything...
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Technical help
Hello all, I sure hope someone here can help me out. Unfortunately I am a bit of a newb at this, I recently got a set of Crown speakers for my new restaurant, we have accoustic bands playing every...
View ArticleNeed a 7K a-a
I'm looking through my stash of amplifier schematics, and I came across an EL84 design that calls for a 7K a-a opt. I'm figuring on using edcor. They have a 5K or on 8K. Which would you use and why?
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Reviving a late 50's el84-based hifi
I picked up this dandy over Thanksgiving weekend for a hot $25. It seems to have been designed as an auxiliary unit for a console TV/radio/turntable, and is only a single channel. I'm enjoying it...
View ArticleNEETS & Kirchhoff , I'm stuck
Module one of NEETS, In page 3-101, you can see diagram 3-66 has four resistors plus three loads (total of seven 7). See link to pages below. https://www.dropbox.com/s/7de9tbvmbq...ge%203-101.jpg yet...
View ArticleSSE build ??
I'm gonna build one .... I sent George payment, does he just send the board out or will he let me know when he sends them out? I'm using a 350-0-350 power tranny and for output tubes KT88s - I'd prefer...
View ArticleFocal Solid 1 monoblock stuck in protect
this Focal Solid 1 is stuck in protection .there are no bad psu or output transistors ,no dc on the speaker terminals .nothing appears burned Pwm is tl494cn Pin 1:0.00 Pin 2: 1.35 Pin 3: 0.07 Pin 4:...
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MY BREADBOARD 5E3 DELUXE ROCKS!
JUST got it working, needed another gain pot before the PI, and removed the tone stack, and WOW it sounds so fine thru a 2x12 cab. Am using both stages of the preamp 12AT7 AND half of the PI 12AX7 for...
View ArticleWTT: Have Ipad 4 128gb + Brand new ipad air for DSD Dac or Lowther
I have two ipad ...Ipad 4 128gb (used)(with smart cover looks brand new).....ipad air 16gb ...brand new in the box... i would like to trade for a good DSD dac...if some one wants to lighten up auralic...
View ArticleTweeter for Visaton B200
I have Visaton B200 on open baffles. I am happy with the midrange and want to install a tweeter. They are driven by a low power single ended valve amp, so complex crossovers are out. So it will be...
View ArticleGX40-C+ Schematic request
Hello, This is my first post. The problem I have is I have a schematic sent from Loud Technologies. However it is unreadable and it is only one page of two. Is there anyone that may have a better...
View ArticleReducing effects of floor vibrations
Hello everyone, I have invented a lighting system that flashes in time to the beat of nearby music sources. On a breadboard I have created the following: A circuit comrpising of an ominidirectional...
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