Chienmortbb
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Everything posted by Chienmortbb
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You bring back some memories there @agedhorse. I was designing for use in Aircraft and the big problem there was keeping 400Hz out of thr audio chain, as airccraft use 110v 400Hz for the mains. It made for tiny transformers but any residual 400Hz on the audio was far more trouble as the ear is much more sensitive at 400Hz than 50 or 60Hz.
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The good old TDA2030, I designed a number of specialist amps with those in the 70s/80s.
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Chaos theory says that if the oft quoted butterly was directly in front of the speaker, a sunami would hit Japan soon after.
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I did and was a bit surprised. Lpooks like a lovely pub. I am only jealous as we don;t get back to rehearsing until this coming Sunday.
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Nice violin, what did you feed it on? (ducks and runs for cover)
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This is made from three metres of Sommer Triclone XXl, a very high quality cable plus your choice of connectors. Choose from two straight Tricone XXL Jack Plugs ( HI-J63TC-SM) specially designed for use with this cable. They include a metal clamping system that grips the cable firmly over a large area. This ensures that no matter what the weight/load put upon the cable the connector stays frimly on the cable. Alternatlly you can request Neutrik NP2X (Straight ) or NP2RX (right angled) jack plugs for the same price. Other lengths are available as well as other connectors.I have also now receievd OBBM's remaining stock of Sommer Classic Tweed cable PM me for detail -
Colin is very knowledgeable and even though his channel is bascially guitar he does do bass videos sometimes too.
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One of the things I like about the Smoothound is that you can see when it finds a contended frequency and then that is has retuned to a quieter channel.
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You basically correct and I am not trying to pick a fight. One of the problems with any instruments is the way it is played and my referal to Ian Anderson was meant to convey that. His technique, in a rock setting, is agressive and will contain many harmonics, a softly played flute, far fewer. I suspect that a penny whistle would be closer to a pure sine wave as would a human whistle. It is also worth noting that every noise cosnsists of one or more sinewaves. I should also apologise for my part in subverting the thread.
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The Rapid one is only rated at 1 amp/12V. So it would not have been any good anyway. You can take out the contacts in some plugs. Can you get the PCB out? If so I will have a look if you can send it to me. I have just seen that you are on the wrong side of town. I will PM you.
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The note beside the plot is telling. “Higher in the range of the flute, the energy is mostly concentrated in the fundamental and second harmonic. For very high notes, it is almost a sine wave.
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The flute's output is almost a pure sinewave, unless played by Ian Anderson, and contains little in the way of harmonics so the top graph looks strange to me.
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I would avoid the cheap ones, not just from Lynx, but any that have moulded plugs. That means no screening you cannot see the quality of the workmanship. The dearer ones should be OK.
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Thwey look like good cables at a good price (almost too good) however the delivery charges look a bit steep.
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AS someone that makes cables,. I would go jack-jack. The outer on a phono plgb is very variable in the amount of force it imparts to the socket. I have had good brand's plugs that either barely touch the outer connection of the socket or are so tight you risk damaging the socket or its mounting if you force it. Add the fact the the jack inputs are TRS/Balanced amd it is a no-brainer.
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Just ordered a set. Headline pric £15.99 offered £10 but finally accepted £13.
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The output from a keyboard will handle the smaller cables much better than a passive bass, however the more connections, the less reliable it is. I would go for the two TS/Mono leads.
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The idea is to have a track that covers the whole spectrum mof frequencies/dynamics. However I would not use a Metal track at a Reggae gig.
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As you will have found out if you have tried to use the microphones supplied with, or designed for mobile devices, the electret capsules used have a unidirectional pattern that makes them all but useless for serious recording. The solution is to use a good quality dynamic microphone with a cardioid or hyper-cardioid polar response. Sadly mobile devices such as iPhones*, Android phones, iPads* and other tablets do not recognise dynamic microphones and continue to use the internal mic, even when the correct cables and connectors are used. The cable is more than a just a cable. It includesl the electronics needed to switch the mobile device to external microphone, allowing any dynamic mic such as \SM58 to be used with almost any mobile device. The 4 way connector is dificult to get from respected manufacturers and so quality ones are expensive. However Sommer now do one in their Hicon range. *The latest iphones and ipads may not have a headpohe spocket bt are supplied with a 3.5mm to lightning cable that will work with this lead. The first picture is of the prototype lead that has been tested for over a year. the second shows the Sommer Hicon connector. Please ask if you have any questions -
Beyond my capabilities that,
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After Eighty - Small Ashdown Combo On Steroids
Chienmortbb replied to Chienmortbb's topic in Build Diaries
In my early years I tested TV studio monitors. one of the adjustments was near the line ouitput transformer. The LOPT (pronounced loptee) had a 1500V RF spike on it and, if you slipped, you had a nice little shock and a little hole in your finger. At least it was self quaterizing. Now I must get on with the Combo. -
Don't tell the cat what the strings are made of
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Busted
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@agedhorse is correct on most counst as usual. Fans are a necessary evil if you want a lightweight amp or to get the most from a ligtweight Class D power module. I cannot remember where I saw it but I am sure I read that a heatsink can be 1/4 the size if fan cooled. Be aware though that fab cooling does rely, to some extent, on tutbulent air within the heatsink fins and that can cause noise. The best idea is for a fan to turn on at a predetermine temperature, one that is only reached at gigging volumes.
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Have to agree with Aja but would add most of Sade's Diamond Life album.
