pigdog wrote:setting up the goodmans as an open baffle may be a good idea JE, since i got a pair myself and am not sure what to do with them, at some point i was considering selling them, but having played with it recently, i had a change of heart, these are wonderful drivers, but with limited funds, perhaps an open baffle may not be such a bad idea afterall.
pigdog wrote:setting up the goodmans as an open baffle may be a good idea JE, since i got a pair myself and am not sure what to do with them, at some point i was considering selling them, but having played with it recently, i had a change of heart, these are wonderful drivers, but with limited funds, perhaps an open baffle may not be such a bad idea afterall. i can mate these pair with my vintage Leaks 12.1 or with a 300B the goodmans from my experience has a distinctively refined sound that is musical, it is not known for heavy bass associated with the altecs and the JBLs, i wold consider these lovelies more like distinctive classic english sportscars. think of them as classic Aston martins, or jaguars.
kabubi wrote:with your permission Paul, i'd like to ask the good gentlemen here if pair of Pioneer PIM 30A drivers i own are any good for OB or for enclosures?
thanx!
(my apologies for piggybacking on your thread Mamimili )
setup1 wrote:Congratulations Paul! I'm glad you liked the OB.
The cheapest route to a mono cartridge is a Stanton 500 with spherical stylus. I don't know if it is available locally but you can find the the V3 version on eBay for about $30. For years I used this cartridge for mono LPs with the coils connected in series - one channel "hot" connected to the other channel "ground" and take the signal out of remaining "hot" and "ground" (the pin that has a ground tab). It isn't tonearm fussy and just about any moderate mass arm tracking at about 3 grams will get you started. The GE RPX and DL102 are heavy cartridges that require massive tonearms which you can set your sights on at a later date.
That Goodmans 201 is a lovely sounding speaker and very efficient! I built this SE71A (750mW) amp for my friend Sherwin in NJ who also owns a pair of 201s.
WIth efficient speakers like the 201, 1W can go very loud. The 605B/OB we exhibited is about 97dB/1W/1.2M and was driven by a 1500mW SE10 amp. Try DIYing an SE amp. The biggest outlay would be a good quality output transformer and desired DHT output tube. I've been impressed with the quality of locally wound power transformers and chokes.
Happy listening!
je
halls wrote:hi paul,
is the goodman drivers available locally?
thanks in advance.
kabubi wrote:halls wrote:hi paul,
is the goodman drivers available locally?
thanks in advance.
i know where you can get a pair that needs a little fixing
halls wrote:hi paul,
is the goodman drivers available locally?
thanks in advance.
kabubi wrote:with your permission Paul, i'd like to ask the good gentlemen here if pair of Pioneer PIM 30A drivers i own are any good for OB or for enclosures? thanx! (my apologies for piggybacking on your thread Mamimili )
Mamimili wrote:My first "technical" question regarding the small 8"x6" piece at the top of the OB.
Why 8"x6"?? I wonder if this size because it "covered" the width and depth of the original driver used for the first OB??
If so i should make mine 12"x6", anyway i shall experiment.
I now have the rear wings/legs and the top piece fitted on the prototype, the difference is subtle but yes it does something good.
stereophile wrote:Hi, Paul. Seems the analog MONO bug is biting hard! Congratulations on your OB GA 201! I agree, the SET-UP room was analog candy to me! I am sure your mono system is not too far behind.
setup1 wrote:kabubi wrote:with your permission Paul, i'd like to ask the good gentlemen here if pair of Pioneer PIM 30A drivers i own are any good for OB or for enclosures? thanx! (my apologies for piggybacking on your thread Mamimili )
Here's a PIM8 that I've successfully tried in an OB.
If your PIM30A looks anywhere close to the suspension construction of the PIM8L then it is a candidate. But the best way to find out is to try. I know some internet gurus preach Qts values but when G.A. Briggs experimented with this baffle dimensions such numbers/measurement did not exist. Some technical background is important but that in itself mean nothing if it won't sound good.
Hope this helps!
je
Mamimili wrote:Cheers Lito
It's so easy to do, why did i wait so long?
Of course i have not really spent any money yet so improvements will have to wait until after Christmas.........cart, arm, amp, IC.....where will it end?
I feel like i have left the rat race of the highway and am now wandering down a leafy country lane, smelling the roses in the pub garden, drinking a cool pint of cider while munching (monching??) on a sausage sandwich. Music makes you lose sense of time or should that be losing my mind? Or i am just enjoying the simple pleasure of mono.
kabubi wrote:
Joseph,
actually it looks like this:
stereophile wrote:Hi Paul. What tonearm/ttable will you set-up for mono duty? An extra tonearm for your 124 in a bigger plinth? Or a new vintage ttable?!
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