Evan - thanks for the suggestion. I just happened to have some of that acoustic foam laying around and am glad I didn't throw it out as I couldn't think of anything to do with it! Just got done putting a piece in both my MS-4 and MS-7 speakers and unless it's acting as a "placebo" the audio does sound a little better. I had a piece of styrofoam in the MS-4 from a previous hint but the foam seems to make more of a difference.
Thanks for prompting me to give this a try....worth the two minutes it took to cut two pieces of foam and stick them in the back of the speakers. 73 - Dino KL0S On 13Nov2010, at 11:00 AM, K9sqg wrote: > > Fellow Drake enthusiasts, > > A number of people have contacted me about the Drake MS-7 speaker so I > thought I would just spread the word via the Reflector. I certainly don't > want to encourage any debate on the topic but your thoughts are always > appreciated. Although Drake gear is the mainstay of my station, the MS-7 > speaker is basically not there. The reason is that the frequency response > and overall sound is not as good, in my opinion, as the internal speaker in > the TR-7 nor the MS-4 speaker. But here is something that I have done by > experiment to improve the MS-7. One thing is just to block off the back of > the speaker which seems to eliminate some of the hollowness of the sound. > However, what I find works best is to find some acoustical foam, used to line > speaker cabinets, walls, etc. and cut a piece to fit inside the speaker case, > 6 inches by 4 inches seems to work fine. Install it with the cones of the > foam facing the speaker but don't put it in all the way otherwise it might > actually touch the speaker cone itself. To me, this brings the MS-7 up to the > level of "barely adequate". What I use as my primary speakers is the MS-4 > speaker which has better bass response and intrinsically seems to filter out > some of the hiss and high frequency static that is more pronounced with a > smaller speaker. Too, adding acoustic foam to the MS-4 will improve it > somewhat too. Listening to the MS-4 seems to be less fatiguing. Your > mileage might vary. Hence, I've sold off the six or so MS-7 speakers I had > and only have one left that I use for experimentation and such. > > The MS-7 is nice for rounding out the Drake 7 line but, for enjoyable > listening, I prefer the MS-4. I'm sure there are many that find the MS-7 > speaker to be preferable and that's great. With ham stations, you can mix > and match to your satisfaction. Enjoy those Drakes! > > 73, > > Evan, K9SQG
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