If you are a DXer with roots back to the late 70s and 80s then I am sure that you will have heard the names Grove and Gilfer Associates. Both of these firms offer a range of high quality accessories under their own brand names for DXers such as filters, preamps, preselectors, antenna tuning units, converters, communications speakers etc. Gilfer Associates are no longer in business and although Grove is still around, does not make it's own line and only deals with large brands such as Yaesu, Icom, Kenwood etc.
I have a number of Gilfer and Grove products. One of the nicest preselectors I use with my receivers for listening is the GA-20. But today I am not introducing the GA-20, I wish to talk about the excellent Grove SP-200 Sound Enhancer Communications Speaker.
This unit is unlike your run of the mill communications speakers as it is housed in a wooden cabinet which does make it particularly attractive. In it's day it was quite advanced and was sought after by most DXers. Indeed if these rare units appear on the market today they are immediately snapped up. When you take a look at the photos below, you will see why. I have one of them and it is definately a keeper, hooked up to a external DSP filter it will rival any modern day speaker and it's attractive good looks are hard to beat.
This is a Grove model SP-200 Sound enhancer/active audio speaker system has notch, peak and interference filters. Also has tape record jacks. This unit also has bass and treble controls, along with a noise reducer and audio gain control (volume control), also has a headphones jack. Tape recorder activation. Tape out and activation are on the rear panel.
Judge for youself now take a look at this beauty:
Front -
Top -
Side -
Rear -
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