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Everything posted by Spiug31
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use a normal/affordable one, clean the contacts if you fancy but the next step up from a standard usb cable as far as features go would probably be one that provided galvanic isolation so you don't get ground loops. round of applause
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maybe try a brickwall or zerosurge unit. Zero Surge Brick Wall brickwall have a 30 trial period Surge Protectors, Surge Protector Manufacturers - Brick Wall .
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any impressions of a balanced HF-2 vs RS-1 ?
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Another WTF Tube Moment (Oil Damped Tubes)
Spiug31 replied to screaming oranges's topic in Headphone Amplification
If your hands itch take them out and rinse them off, grawk is right "mineral oil is pretty darn safe" Four years of chemistry labs in Uni drilled it into me I included the water toxicity stuff for interest and to link dosage levels to toxicity. -
Another WTF Tube Moment (Oil Damped Tubes)
Spiug31 replied to screaming oranges's topic in Headphone Amplification
MINERAL OIL material safety data sheet quote from: Toxicity - Wikipedia, the free encyclopedia A central concept of toxicology is that effects are dose-dependent; even water can lead to water intoxication when taken in large enough doses, whereas for even a very toxic substance such as snake venom there is a dose below which there is no detectable toxic effect. BBC NEWS | Magazine | Why is too much water dangerous? Water intoxication - Wikipedia, the free encyclopedia -
well, thrice has one he`s built for sale at $1350 Rockhopper Audio Buffalo DAC n.b. might have been better to put your query in its own thread rather than bumping this one
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Brian Cox: What went wrong at the LHC | Video on TED.com
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DNA (Donald North Audio) Headphone Amp
Spiug31 replied to blubliss's topic in Headphone Amplification
please post a pic of the rear panel. -
Dollhouse season 1 starts on the sci-fi channel in the UK this tuesday (19th may) at 9pm
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The commission issued a statement of objection in 2007 and again in 2008 (this I gleaned from the bbc world service audio report that`s part way down the page).
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try this BBC NEWS | Business | EU slaps a record fine on Intel
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I wonder how long until they get their act together and make flexible e-ink panels that have no clunky hardware attached and need only a base station (could be a little mp3 player sized device) on or beside them to feed the data. It`d be grand to have small sheets for carrying in a coat pocket, larger sheets for textbooks / more detailed stuff then several larger, poster or projection screen sized sheets all of which need only a touch from the device to change display. Until then I don`t see paper printing being superceded.
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fixed m902 reference headphone amplifier m802 remote control mic preamplifier
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A comment in the HD800 thread got me thinking about warranties. . . Excluding earpad replacement how long do the headphones that currently sell for $500+ actually last without needing repair and how easy is it to get these fixed by the manufacturers once they do break ? The warranty policies I could spot with a brief search were Koss Sennheiser AKG that and to contact the dealer first were all I could find from the AKG website about warranty duration. Audio Technica bought within europe = 2 years warranty bought within US/Canada = 1 years warranty .
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Quiet but good balanced sources with usb and toslink ?
Spiug31 replied to Spiug31's topic in Home Source Components
page 17 of the 40 page pdf, xlr volume attenuation with 4 positions for jumpers 0 dB, -10dB, -20dB, -30dB. page 18 of the 21 page pdf, impressive range (-31 dBu to +24 dBu, balanced) and lots of steps (56). certainly food for thought -
What good/excellent sources are there with usb and toslink inputs that have an inbuilt preamp or have consumer (-10dBu) rather than line-level (+4dBu) analog XLR outputs ? It`d need to have usb and toslink inputs at a bare minimum, i2s would help future proof it . I am looking for a quieter source than my line-level mini-dac so that I can remove the voltage divider I`m having to use to reduce its volume. A source with as good or better performance than the mini-dac is preffered. my current solution http://www.head-case.org/forums/do-yourself/5997-resistor-type-make-volume-attenuation.html#post218512
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Which resistor type/make for volume attenuation ?
Spiug31 replied to Spiug31's topic in Do It Yourself
I was wrong about my mini-dac being unusually loud. Having made audacity generate a 1kHz tone at -12dB and fed this to the mini_dac via usb I am now able to adjust the trimpots to each give a voltage of 1.230V (+4dBu) . It seems to simply be the case that +4dBu is to loud an output for me to use with normal files. I`ll be keeping the resistors in place on the beta22 until I can get a source with lower volume output. silver lining here is the mini-dac is working fully. -
pop/crackle sound when a stepped attenuator traverses steps ?
Spiug31 replied to Spiug31's topic in Do It Yourself
done but no effect: ran a wire from an xlr pin 1 to the ground strut on the left attenuator no change in pop/crackle behaviour. unbinding the attenuators from the chassis to do a full physical swap isn`t something I`ll undertake and I don`t think the right attenuators` hot and cold audio input wires are long enough to reach. If however I can get a pair (or ideally two pairs) of 2 pin extension cables 26"+ long then I`d be willing to try making the swaps via those. -offtopic- I see a new smilie has appeared -
pop/crackle sound when a stepped attenuator traverses steps ?
Spiug31 replied to Spiug31's topic in Do It Yourself
done and the left attenuator retains its pop, so no change -
pop/crackle sound when a stepped attenuator traverses steps ?
Spiug31 replied to Spiug31's topic in Do It Yourself
If it isn`t a symptom of something badly wrong I`m happy enough to leave it as is and enjoy the music The theory of contact bounce eases my mind enough. first time I`ve used multiquote, very useful -
pop/crackle sound when a stepped attenuator traverses steps ?
Spiug31 replied to Spiug31's topic in Do It Yourself
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pop/crackle sound when a stepped attenuator traverses steps ?
Spiug31 replied to Spiug31's topic in Do It Yourself
from Goldpoint - Attenuator Types but contact bounce seems quite possible as the pop/crackle happens only for a short time with the music taking its place within a fifth of a second if the knob is left positioned between firm steps. -
pop/crackle sound when a stepped attenuator traverses steps ?
Spiug31 replied to Spiug31's topic in Do It Yourself
what is i/r/t ? -
Which resistor type/make for volume attenuation ?
Spiug31 replied to Spiug31's topic in Do It Yourself
This is what I`ve now got fitted (in an easy to remove manner) and it seems to be doing the job. I`ll get around to sorting the sources problem when I`m able but for now this is a working patch.