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Everything posted by stevie
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Dimensions Needed, From A Ray And A Precision
stevie replied to GreeneKing's topic in General Discussion
[quote name='pietruszka' post='1095495' date='Jan 19 2011, 06:58 PM']My MM is 14.5 inches from centre of the pick up to the 12th fret along the centre line.[/quote] That's 368 millimetres - nearly an inch more than what Pete measures. -
[quote name='oldslapper' post='1089448' date='Jan 14 2011, 03:31 PM']According to the bathroom scales, which are notorious liars this time of the year, reckon the bass is just under 10lbs. So not that light.[/quote] Yes, those scales seem to have a mind of their own after Christmas. Unfortunately, 10lbs means that I'm out. Fantastic bargain for someone though.
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[quote name='oldslapper' post='1089100' date='Jan 14 2011, 11:18 AM']Not sure about weight Stevie. Will a bathroom scale weigh in do? Can always pop round and have a bash?[/quote] Yes, a bathroom scales measurement would be fine. By the time I can get over there, it will probably be sold. Still, I'm figuring out what I could sell to raise the money.
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Bought a pair of speakers from Richard, who very kindly sent them off first-class post. Very easy chap to deal with and comes through with what he promises. Thanks.
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Bought a pickup from Rich, which was well packed, despatched promptly and exactly as described. Buy with confidence!
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Bought a keyboard from me. No hassles. Easy transaction. Recommended.
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Just noticed that Luke has a feedback thread. Sold him a Precision a couple of years ago for a not inconsiderable amount of money. Payment was prompt and Luke was a pleasure to deal with. Better late than never :-) Stevie
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Celestion speakers - SOLD
stevie replied to fryer's topic in Accessories & Other Musically Related Items For Sale
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I swapped the fan in my Trace AH-300 because it was noisy. It was relatively easy to do. The fan connecting wires were held in by two small screw clamps attached to a circuit board. The only awkward part was having to move the power amp board because it was stopping me from getting my screwdriver into the the clamps when I came to replace the wires. When buying a new fan, choose one that has a similar consumption to the one you are replacing. In other words, if the original one is 0.1W, that's what you should be looking for. The best place to buy them is a specialist computer store. I recently bought a Panaflo for about £3.50 from Scan computers. The good ones aren't very expensive - so go for a respected brand. It really is pointless soldiering on with a duff fan when they are so cheap and easy to swap. There are plenty of tales on the web of duff Trace Elliot fans causing the output transistors to blow up. Depending on the output trannies, the repair can be well over £100.
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Not only that, but 3.9 ohms is a preferred value and therefore much easier to obtain than 4 ohms.
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Bass bits for sale
stevie replied to neepheid's topic in Accessories & Other Musically Related Items For Sale
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[url="http://forum.speakerplans.com/eminence-bp102_topic46311.html"]http://forum.speakerplans.com/eminence-bp102_topic46311.html[/url]
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Bill Fitzmaurice Omni 15 Tallboy For Sale
stevie replied to andyonbass's topic in Amps and Cabs For Sale
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[quote name='oldslapper' post='1046545' date='Dec 3 2010, 04:46 PM']Stevie.........Dorset bass bash next summer...... [/quote] I do hope you're going to organize another one. I'll be there!
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I think I must have taken this in payment of a bad debt or something because I’ve never used it and the piano player in the house insists that only a real piano will do. It’s an "arranger keyboard” (don't ask me, but it will mean something to somebody) with all kinds of accompanying styles including auto bass and auto chord, single finger accompaniment (plays bass lines, major, minor, seventh and minor-seventh chords with one finger), stacks of rhythms and just about every instrument in existence in the western world. It has key velocity control, different echoes and reverbs, percussion pads (make a drumkit - assign 40 different percussion instruments or 16 sound effects), pitch bend rollers, MIDI, and a recording function. Two speaker stereo built in plus headphones out, aux out, input for expression pedal and sustain jack. Although I believe this was originally aimed at professional users, it has all the features of a home keyboard. They are not exactly common and the only one I could find for sale today on the web was listed at £90. So, how does £35 sound? That should cover the cost of our next annual piano tune-up. Everything works well and it is in good condition from a smoke-free home. I have the manual somewhere but it's available online for download from quite a few sources. Why not treat the kids for Christmas? Pictures to follow tomorrow. Yes, I can ship, but as it will take a couple of hours to pack it up safely, I have to give preference to local collection.
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[quote name='Phil Starr' post='1044858' date='Dec 2 2010, 11:37 AM']I'm sorry to disagree with you but this is a bit silly.[/quote] It's not only silly - it's complete bollocks. The output from the vent is delayed in time compared with the output from the front of the speaker cone. Thus, a reflex speaker cannot by definition have a transient response as good as that of a sealed speaker - because that delay is always present when there is output from the port. [url="http://en.wikipedia.org/wiki/Bass_reflex"]http://en.wikipedia.org/wiki/Bass_reflex[/url] Let us listen to what a real speaker designer has to say about this, shall we? Cue Mr. Siegfried Linkwitz. The name may be familiar to you if you have an interest in loudspeaker design. ([i]On his decision to use a sealed cabinet for his state-of-the-art subwoofer[/i]) - "I did not consider alternate approaches to subwoofer design as [i][b]acceptable for meeting my goal of accurate sub-bass reproduction[/b][/i]. This includes [b][i]vented[/i][/b], passive radiator and acoustic bandpass woofers. They all rely on [b][i]resonant energy storage[/i][/b] to increase efficiency and to reduce size. ([i]On his choice of a sealed alignment for his Pluto speaker[/i]) - "Finally, most box speakers use [b][i]vented [/i][/b]enclosures which means [i][b]stored energy[/b][/i] to increase otherwise insufficient or distorted bass output. PLUTO+ is sealed with a Q = 0.5 roll-off at the low end of its frequency range for [b][i]optimum highpass transient response[/i][/b]." I'd be very interested to see anyone attempt to prove Linkwitz wrong on this. Over to you Mr Fitzmaurice - or are you too busy designing loudspeakers
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[quote name='bumnote' post='1046226' date='Dec 3 2010, 12:29 PM']To add to the debate, I have a mini 1x15 and it doesnt sound particularly nice to me, I can only describe it as Boxy whatever that means, while I love the 4x8 for its compact size and its sound[/quote] I have two of them in the garage, which I am very slowly converting into 12" cabs. I posted some measurements of the cab on here a while ago showing a (not very nice) bump at 100Hz. You could try pulling that frequency down a touch with your eq. I'd equate 'boxy' with a problem at a higher frequency than that. There is a very good chance that lagging your cab with wadding will reduce the boxiness, because boxiness is the typical sound of a box that's not lined IMO.
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[quote name='ezbass' post='1046421' date='Dec 3 2010, 03:00 PM']I phoned Ashdown and bought the new neo versions that they fit in the Superfly cabs.[/quote] From what's been posted on here, Ashdown replacement speakers are quite good value. As we know, some bass companies charge the earth for spares. I would definitely consider that an option. The internal size of the Mini 15 cab is 55 litres. At a rough guess, that would make the internal size of the combo, what - 40 litres? That's quite large for a 10", and larger than the Celestion neos like to see. If you want a Celestion, you'd be better off with a 12". The Eminence Deltalite 2510 works better in a large box. The downside of that driver is that is shrieks like a banshee at 2kHz. Some people equate that with clarity, but there you go (and you can always pull it down with the graphic). If, as you say, the purpose of this exercise is to cut down on the weight of the combo, it might not be as successful as you think (as Bumnote has pointed out). A Deltalite neo weighs 2.1kg. The ceramic magnet Celestion BL10-200X weighs 3kg, and I would suspect has a larger magnet than the Ashdown driver you have at the moment. Before you spend any of your hard-earned cash, I'd suggest you weigh the Ashdown driver.
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John, are you sure it's a 10"? I checked the website and they don't seem to have made any 300W ABM combos with 10s. Do you have a model number?
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[quote name='4 Strings' post='1035918' date='Nov 25 2010, 09:22 AM']What do you think?[/quote] You're right about the mach levels being very conservative on that calculator, but that's no bad thing. It's good to see you now have a handle on what's going on. I think you're well on your way.
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[quote name='Bill Fitzmaurice' post='1035183' date='Nov 24 2010, 03:28 PM']Ask Galileo.[/quote] Have you spoken to him lately, Bill? How is the old guy?