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change compartment in the kitchen drawer only offered up 3 x 1ps, and 1 x 2p
Don't forget the pre-1992 coins have better damping at the top end, at the expense of slightly worse phase coherence in the bass. It's worth experimenting with placement of different mixes, e.g. pre-92 front and post-92 rear or vice versa to optimise the sound for your musical preferences. I've even heard of some mad free-jazz fans using diagonal placements, pre-92 inside front and outside rear and post-92 on the other corners‽
theflatboy
gbj_tester
1 or 2 pence pieces are all you need between spike and floor, if you feel like spending big the a half sovereign or perhaps even a full sovereign.
Gold has better mids and more defined transient bass attack.