Brahm's g- minor piano quartet

The Les Musiciens recording on Harmonia Mundi HM 1062 (LP) may be just what you need, in that case.

Beaux Arts Trio with Walter Trampler on Philips.
The best way to buy it is a budget 2 CD set that also includes the C minor and A major Piano Quartets.
It also has an unknown Trio attributed to Brahms.
Lists for only $19.99

The Philips 2 CD set is number 454 017-2

There's a historical version with Serkin & Busch on EMI (reference). You might like it.

Try the Guarneri Quartet with Arthur Rubinstein - fantastic!
(RCA 9026-63065-2
Or the Beaux Arts (Philips 454017-2) likewise GREAT!
Or DOMUS: Krysia Osostowicz,vi; Timothy Boulton,va; Richard Lester,vcl; Susan Tomes,p;
Good luck!