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Goldwood GM-85/8 Heavy Duty 5-1/4" Sealed Back Midrange 8 Ohm
What size are the terminals?
Our 0.205" disconnects are a good fit for the terminals on this speaker.
Date published: 2012-04-02
What are the TS Parameters?
I've order the DA DC28FT and DC250 along with the Goldwood 5" to rebuild a 27 year old pair of Boston Acoustic A150's. Recommended XO Frequencies?
For this combination I would go with crossover frequencies of 625 and 5000 hz like the crossover in the link belowhttp://www.parts-express.com/pe/showdetl.cfm?partnumber=260-154
Date published: 2012-12-03
what is the polarity of the Speaker? or wich terminal is + and wich one is -
They are hard to spot, but the + terminal is stamped on one of the binding posts. I agree with you, I wish these had better markings for the polarities. Reversing the wiring in polarity can cause phasing problems and possibly amplifer damage.
Date published: 2013-07-30
This speaker shows a 15 db peak as it enters it's range, about 500 to 1200hz. Will a crossover smooth those bumps ? I did test it, it does sound very much better than my two way speakers in the mid band but seemed to ssssst on cymbal crashes. So I hope an 800 to 5000 hz 12db band pass will keep that mid sound, then pass it on to a soft dome at 5000 hz with a 12db high pass.Piano and Sade sound GREAT on this one. But if I can do better then I can go as much as $20 each for a better midrange.Main question, do crossovers smooth out the curves shown on their graphs ? And is it worth the trouble to use an open back mid and tuned box ?I have two Realistic Mach 10 boxes , 1.8 cf, and made an adapter plate to put a midrange where the 8 inch driver was, then put a 10" driver where the 10" passive radiator was. The OLD paper cone tweeters that are in it are so muddy I could puke, I'm gonna have to put those soft dome tweeters in there.
I X-ed mine over at about 1KHz and all is fine. I used a simple capacitor and an L-pad (to knock down it's volume). They sound very good for squakers. There isn't much you can do with crossovers to limit peaks and bumps to a speaker. However, once mounted and crossed over, you can use a stereo equalizer (10 band or higher) to tone down those freqs that are troublesome.
Date published: 2013-07-30
I have purchased 2 of these and they seem to be working well. My question is about actual power ratings. Online you show the power rating as 60 RMS/100 Max, and also 60 RMS/120 Max. Your catalog shows them at 40 RMS/55 Max. What is the actual rating?
I am running them in a 3 way configuration with a 800Hz crossover point. I am also using an L-pad (they have a high SPL). I have pushed them hard with my my HK 120 WPC amp....w/o any issues. If I turn up the L-pad, they are too loud and seem to distort when pushed near 100w.
Date published: 2013-07-19
What volume should a sealed enclosure be for this driver?
This midrange has a sealed back...which means the turbulence inside the speaker cabinet has no effect on this midrange. So, cabinet volume is not an issue.
Date published: 2013-09-22