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YS Sound Balancing Workshop Limited
This company makes a copy of the FM acoustics FM268 preamplifier. Nothing seems to have been changed inside. Surprised to see this from a company in HongKong. They sell it together with two monoblocks...
View Articlemodifying a large woofer into a coaxial?
hi, i ask this as a very vague question deliberately to get the greatest range of 'ideas' and opinions i can. if you were to take a large PA woofer, say 18" which typically have 4" voice coils. can...
View ArticleAnyone DIT'd some subs with a Paridigm Seismic 12 plate amp
I have 2 of these plate amps which is also in their servo 15 sub.I also have a pair of JBL 15"GTI MK2 that are dual 6ohm coils.Just curious if anyone tried one of these plates.
View ArticleUnusual filtering scheme question
I found this decent commentary on solid state amplifier power supplies, but the final 680nF capacitor has a 1 ohm, 17w resistor in series with it. I understand the liberal reservoir capacity he favors,...
View Article95v voltage regulator for lme49830?
can you recommend a voltage regulator for +/-95v 500ma for lme49830 what happens if the output stage voltage exceeds the chip voltage?
View Articleopinions about my design of a complete HI-FI system
tell me what do you think about it: Design of a power HI-FI system
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double 15 th with the 18 sound 15 nlw9401 4r
just sharing this:D no measurements jet,they wil be taken next couple of weeks. whe just hooked it up with a qsc 3k6 and the powesoft digimod pfc-su 3000. all i can say, it was vision blurring loud....
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on/off switch pop when turned off
My amp I built pops quite loudly when I turn the power switch off. I've read to eliminate that put a cap across the switch. I did that, a 0.01uF 600v and no change. Any suggestions? Attached Images...
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boost idea
Any suggestions as to why this wouldn't work? Any amp. Attached Images boost.jpg (20.9 KB)
View ArticleLME49830 kits
I ran across an old post where someone was kitting the LME49830. How did this work out? I was focused on the LM3875 chip until this was recommended. About the same amount of work and $ and the Data...
View ArticleQuestion about trim pot leads
I have a question regarding trim pot leads. I have the following schematic: amp board schematic There are two trim pots (for BIAS and DC offset). This is the type of trim pot I am going to use: bourns...
View ArticleKrell FET substitution in preamplifier PAM 5
Hi All, I 'Treated' myself to a non working Pam 5 c/o Ebay with one o/p not working. Can anyone advise me on the replacement of these fets,I'm driving myself mad trying to decide what to use as they...
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FS: Seas and Vifa Drivers
Having a clear out of projects that I just don't have the time to complete. All prices exclude postage, willing to post worldwide at cost. All prices per pair. Seas 27tdfc. Used for about 6 months in a...
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Help choosing which Amplifier to build
Hi there guys! First i'd like to introduce myself - I'm Luka, coming here from Serbia, a tube amp enthusiast, but so far i've only had experience with guitar amps, hoping to go HiFi as well :D Fell in...
View ArticleWTB SDTrans192 or SDTrans384
Wanted to Buy a SDTrans192 or SDTrans384 player. Situated in London UK Thanks
View ArticleTINA-TI watt meter
Hello, I can't for the life of me figure out how to wire the watt-meter in TINA-TI. Can anyone help? Thanks, vladimirb0b
View ArticleMTX 81001
I just rebuilt the areas around both rectifier circuits .. When i powerd the amp up it blew the 2 caps (C118 and C119) 10uf 100V It also burnt all 4 of the 1R0 resistors and possibly a few other...
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Sound Deffinition (Speakers)
Hello Audiophiles! Recently I got a pair of speakers Sound Deffinition He08v01 await construction of horns at the time I listened to several horn hybrid layouts as there have been no corresponding SE...
View ArticleTENTLABS XO3 WITH TWO XOs
Here is a Tentlabs module XO3 with two XOs for sale. The frequencies are: 16.934 and 27.000 MHz. Buyer pays shipping (+ Paypal). Asking $80.00 Thanks for looking. Pierre
View Article6П3С Plate Voltage
I have some of these and they sound good for the price. What are some different plate voltages you guys/gals are running on yours if you have them? My SE pair in the living room is running somewhere...
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