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Paradigm Studio 60 Crossover Modification

Posted by shuang (M) on April 9, 2005 at 12:52:57

I have a pair of Paradigm Reference Studio 60s that I have had for 7 years.

I am interested in replacing the capacitors in the crossover units to improve the sound of these speakers.

There are three capacitors in the crossover:
- Tweeter, u22m100 (assume that this means 0.22 MFD, small blue rectangular shape 0.5cm X 0.25cm X 1cm, brand unknown
- Midrange, 18MFD 100V, can shape, Bennic brand
- Woofer, 33 MFD 100V, can shape, Hanlan (Paradigm house??) brand

I am told that replacing the tweeter crossover is the most important to upgrade, with midrange, and subwoofer following in the listed order. I am also told that it is good sticking to one brand/model if possible (better synergy).

Looking at audiophile grade parts supplier sites, e.g. Parts Connexion (I am located in Toronto), 0.22MFD is a common size but the 18MFD and 33 MFD sizes are less common and not available from many of the manufacturers, e.g. Hovland Musicaps are max 10 MFD, Auricaps closest sizes are 20MFD and 30MFD.

The one audiophile brand which stocks all the required sizes is Solen. No other manufacturer has these exact sizes. As well, brands like Musicaps, Auricaps, Mundorff are typically 3 to 5 times the price, iff they have the sizes at all.

Are the Solen capacitors good choice? I am thinking 0.22MFD SM and 18/33MFD PPE models. With the Solen capacitors, cost for the six capacitors for the loudspeaker pair will be ~$CAN60 ($US50) including taxes and shipping.

Since the speakers are already 7 years old, it make not make much sense to invest more since I won't be able to recoup the investment iff/when I sell the loudspeakers.

Also are there audio forums/sites which provide guidance on loudspeaker crossover modifications?

Other suggestions are also appreciated.

Thanks in advance for any assistance.

Steve

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