2. amps-preamps
  3. 1120213856

Threshold S-150 Should I buy??

The owner is bring it over to my place Sat.afternoon to see what it sounds like in my system. Price will be about $300. US. 75 watts per ch. and I am looking to use it as a Midrange amp for Maggies MG III on an active X/O setup which is not ready yet(speaker rebuilt). I will be able to hear it full range on smaller Maggies. I am on a fixed income so my budget is tight and although my setup won't be ready till late fall. It is a good price on an old Amp and I don't want to let it slide. It is good high current and Maggies need current more so than watts, Being used in the midrange it might even work in the Class A mode alot of the time. I know it would be best to do a recap at some time and that would be just a parts cost. I know some will say why even go active, but I am (Marchand XM-44 X/O) and some will say go tubes, not now maybe later. To Buy or not to Buy? You tell me, will it do a good job on the Mids. Thanks for your input.
benie

Showing 1 response by barolobrain

barolobrain
48 posts
 
I had a pair of MG-IIIa's, using the Maggie passive xover. I had two Threshold's, the SA3 and the S/150. I swapped them in and out, between the woofer panels and the mid/treble. My personal opinion is that the S/150 is quite short of power for the application. Further, I found it to be lacking in bloom and soundstage. I ended up replacing both with an ARC D-125 (hybrid design) which while itself wasn't the greatest amp, made a sensational improvement in the sound and dynamic handling, and all this driving the speakers full range.

You'd be better served finding a used Bryston 4/B and having their US service center in Vermont upgrade the transformers and grounding and changing the bias, all for about $100.
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