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ngccglp
05-07-2014, 08:41 AM
Hi,

recently I acquired a pair of NOS 51-5145 XO cards.i already have a urei 5235 with 290 hz card for my 4345. However I noticed both cards looked very different. The caps used are also different, the 5145 used rectangular caps while the 290 hz card used sperical caps.

may I know which is a better card to use for 4345?

thanks.

Earl K
05-07-2014, 09:05 AM
Hi,

recently I acquired a pair of NOS 51-5145 XO cards.i already have a urei 5235 with 290 hz card for my 4345. However I noticed both cards looked very different. The caps used are also different, the 5145 used rectangular caps while the 290 hz card used sperical caps.

may I know which is a better card to use for 4345?

thanks.

My instincts would be to use the 51-5145 card ( & see if you like it ) .

The rectangular caps you speak of, could be ( yellow ) MKC metallized-polycarbonate caps ( series 344, made by Philips ) .
- All in all, MKC is a pretty "warm" sounding cap ( IME ) .


:)

ngccglp
05-07-2014, 01:06 PM
My instincts would be to use the 51-5145 card ( & see if you like it ) .

The rectangular caps you speak of, could be ( yellow ) MKC metallized-polycarbonate caps ( series 344, made by Philips ) .
- All in all, MKC is a pretty "warm" sounding cap ( IME ) .


:)

Thanks Earl, you are quite right, the presentation of the 51-5145 card is darker sounding... The 290 hz card sounds more modern... But more importantly, after I plugged out the 290 hz card, it says " 51-5333 w HF EQ for 2380 series horns".

haha I didn't realize it was not the right card all along. 51-5145 it is then.