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Goldwood GW-8PC-4 8" Heavy Duty Woofer 4 Ohm
I'm looking to replace the warn out woofer in my Allison CD7 speakers. After 30 years the 8" rubber cone is cracked. I believe specs are 4 ohm. What are suitable replacements? I'm looking at GW-8PC-30-4. What's your advice?
This might be a good option. The main thing to check would be the actual driver dimensions. There is some variation on speaker frames so the outside diameter and cutout is important
Date published: 2014-06-06
Woofer Selection & Performance
Hi, i am looking for some guidance here before making the purchase. I am replacing a woofer driver for a studio set-up wich i use for DJing. The unit is a yamaha HS10w. The sub is rated at 150w Dynamic power (so about 75rms) @ 4ohms. Overall frequency is 30Hz-180Hz (-10db).I wanted to use the Goldwood GW-8PC-4 8" as it appears to have more balls and could probably handle the deep-mid baselines without getting flooged out as the OEM driver struggled.Is that a good selction for the unit? Will the amp be able to power the speaker given that it is rated at a lesseer RMS that the speaker itself.
This driver would probably work OK for the application although you may want to look into the Dayton Classic 8" subwoofer which is ideal for the enclosure you have and has more excursion capabilities for higher output potiential.
Date published: 2012-12-19
I am considering putting two of these in one box,I intend to double the volume of one for volume.I"m having trouble determing port size. Any help woul
In theory, if a single driver calls for a specific box size and port then two drivers would be doubled with 2 ports to make a bass reflex or vented speaker.But first understand what the difference is between sealed and ported is. A sealed box presents the speakers frequency as It's design dictates. The sound is tight in characteristic, meaning a solid transient responce. A kick drum will have a good thud as well as low pitch. An explosions will have some felt concussion because it is tight air movement.A reflex or vented box, depending on the port tuning will enhance a narrow band of low frequencies making them louder and appear sonically stronger at the expense of some loss in tightness. There is some subjectivity over preferences here. In audio reproduction each has their place. In my band, subs are ported bass reflex double 18", but my home system is sealed 12" and very tight.You have a unique opportunity to design what you want. I would consider the two subs with an internal baffle divider and only one tuned port. This couldgive you both characteristics to some degree and if desired a second port could be added later.A port can also cause a subtle air velocity noise but I have never found it to be a big problem. Dont be afraid to experiment and have fun.
Date published: 2012-11-14
Spec show up to 7000hz? I know that is incorrect.Graph shows.
Graph shows up to approx.2500hz I need a 4 ohm 8 in. to "sing" from 700-3000hz. regardless of price. I almost clicked the "buy now" button but something didnt seem right about those specs.I have seen the full range drivers but I need a 4 ohm. it is for home use and any input is appreciated.
the 700 - 3000hz area is a midrange driver. You would be better off with a 6" mid or mid-woofer. Larger drivers beam at higher frequencies causing audible problems. The Morel MW164 is a high end driver that I have used many times. The Dayton Audio PS180-8 6-1/2" Point Source Full-Range Neo Driver is very cool, and their DS175-8 is a good alternative to the Morel cost-wise.
Date published: 2012-09-07
final question: "still shopping"
my toyota avalon xls is rated for 3.7 ohm speaker in the rear center position of the car ,....I noticed your other 8" speakers had a specification as 4ohm re:3.7 ,....I see this heavy duty speaker doesn't have that spec. included, will that be okay to install still ?
yep the impedance is directly a product of the voice coil moving in the magnetic field ,not a dead resistance, it changes with the cabinet or lack of one. make sure the frame and magnet fits the car
Date published: 2011-11-01
I'm looking for a replacement for a Toyota Avalon 2004 woofer would this work with the weak amplifier the factory has in it or should I stay with the Goldwood GW 8024 ? Which I read is the perfect match?
We do have quite a few reviews on the GW-8024 being a nice drop-in for the Avalon, however, I see nothing that would make it a better choice than this speaker. In fact, this one has slightly higher sensitivity, which means it would play louder for a given input power. Most people interpret louder as "better" sounding, so you may just be onto something here. One small difference I do see that could be significant is the binding post terminals on this GW-8PC-30-4. If those won't interfere with the mounting, then I see no reason that this wouldn't be a good performer in your Avalon.
Date published: 2011-10-29