Mottlefeeder

[quote name='The Funk' post='23132' date='Jun 25 2007, 06:01 PM']Would you recommend something like 2 10" speakers in a cab the size of your average 4 x 10? Speaking as generally as possible, leaving aside all the other factors to consider.[/quote]
If you check out the forum on Bill's web site, he has a section on graph plots for typical cabs. The message comes across very strongly that most manufacturers fill the front-face full of speakers on a box that has insufficient volume; fewer speakers in a larger (purposed designed) box will sound better.

[quote name='Bill Fitzmaurice' post='18908' date='Jun 16 2007, 07:39 PM']The opposite is actually the case, round structures are highly non-resonant and have a far higher strength to weight ratio than flat panel structures. But aside from that all the other shortcomings of the design as pointed out by Alex et all are spot on.[/quote]
Bill, there was something doing the rounds a couple of years ago where two speakers in a tube had the cavity stuffed with wire wool. The theory was that you got more phase shift using that as wadding, so you got more phase addition, to a lower frequency, from a smaller box.

Does that ring any bells with you?

[quote name='Mokl' post='22747' date='Jun 24 2007, 09:04 PM']... I was considering the PX4D, which I believe does guitar and bass. Has anybody any experience of this unit? I have been using a PX3 (guitar version), which works to a point, but I can't help wondering if something bass-specific might be better. All opinions welcome![/quote]
The bass version has bass cancellation when you pug in an ipod etc, and you can programme the drum machine for verse/chorus/fill etc. but I think it is now obsolete.

The bass and guitar version lets you play drums with or without a trainer bass line - it seems to be designed for guitarists, with bassists as a last minute add-on. I am not sure whether it has bass cancel or guitar cancel.

I have used a Zoom 708 fx pedal as a headphone amp, and that works well. Second hand, you should be able to find one for about £30, and that includes a compressor, reverb, a tuner and a simple drum machine (and 89 other effects that you will never use).

I also use a Spirit notepad mixer as a headphone amp, which allows me to play Band in a Box arrangements from my PC while I add in the bass lines.

I also have a pocket rock-it, which works, but is slightly hissy as others have said. However, the stereo chorus effect is good. It also is slightly top heavy, so if you plug it into an edge mounted jack socket, it tends to swivel upside down. It seems to work best on a front-mounted angled-jack. I am not using mine now I have the Pandora, so if anyone is thinking of buying one, PM me.

I use Sennheiser 485s. They were the best sounding in the bass dept, while still being drivable by a standard CD player. The next pair up needed a dedicated headphone drive amp, and then sounded great.

[quote name='dave_bass5' post='20858' date='Jun 20 2007, 04:51 PM']Cheers.
I have just had an email from DV apologising for the 2 pin plug and that they are sending me an adaptor out tomorrow.
I have told them this is not acceptable and im sure its against EU rules as well. The unit will be returned if this is the case.
Either way i didnt get the same treatment you did.[/quote]
There are several types of adaptor, and some of them are fine for this application.

The european standards for electrical equipment now require that a plug is fitted in order that the appliance can be legally sold in the EU. As a result, there are a couple of designs of adaptor where the continental or US two pin plug clips into a modified 13 Amp plug, and the plug lid then holds the whole lot together, like this
[url="http://rswww.com/cgi-bin/bv/rswww/searchBrowseAction.do?D=230v%20mains%20plug&Nr=AND%28avl%3auk%2csearchDiscon_uk%3aN%29&Ntk=I18NAll&Nty=1&Ntt=230v%20mains%20plug&Dx=mode%20matchpartial&Ntx=mode%20matchpartial&N=0&name=SiteStandard&forwardingPage=line&R=1843820&callingPage=/jsp/search/search.jsp&BV_SessionID=@@@@0128066808.1182674032@@@@&BV_EngineID=ccdjaddlfijillicefeceeldgondhgi.0&cacheID=ukie"]http://rswww.com/cgi-bin/bv/rswww/searchBr...mp;cacheID=ukie[/url].

These are fine if you have a 'soap-on-a-rope' type PSU, but if you have a wall-wart and they offer you a shaver adaptor, I suggest you refuse, and if necessary, threaten to call in the trading standards officers. Standard US two pin plugs do not have sufficient clearance between the pins and your fingers, and as a result, ceased to be legal for 240 v mains applications some years ago. You may remember they used to have US power sockets on the back of HiFi systems. They, (and XLR mains connectors) disappeared because of that change in the law. Whether a wallwart complies with the clearance dimensions would depend on its size and shape, which is where trading standards officers come in.

Final bump - this does not look viable as a group event, but if anyone in the Luton area would like to hear/ play through an Omni 12, I'm in Luton for the week, and not doing much most evenings.

PM me if interested.

Bump

Thanks for the interest so far.

With people still coming in, I plan to leave it for another few days before I start considering the offers on the table.

So far, we only have an Omni 12 ...

[quote name='beerdragon' post='2953' date='May 20 2007, 02:44 PM']Nearly happen to me, Straplocks, that cured it [/quote]
I have had 7 years of playing without dropping a bass, but with my new bass, with straplocks, I have had two near misses in two weeks, both due to my error in not pushing the pin fully in. I'm going back to my old way - strap onto strap button, plastic 'straplock' to hold it on.

YMMV!

As I have mentioned on another thread (in the previous forum), I really like my Omni 12 and I am happy to let potential builders try it out.

I will be in Luton from the 8th to the 14th July, and I wondered if we could get a bunch of BFM designs together so that people could hear them, and decide whether they wanted to build them or not.

Would anyone be prepared to bring their Omni 10, Omni 15, DR250, Tuba 24, Titan 39, Wedgehorn 10 etc to the Luton area during that week, and would anyone in that area like to recommend a venue where we could meet?