The Alto bundle I opted for comprises a baseboard, cross-brace, top plate, sub-chassis and arm board. With the exception of the stainless steel cross-brace, each of these elements is machined from aluminium billets and features honeycomb “cells” which Stack Audio claim improves rigidity and vibration dissipation. Each element of the Alto bundle also features Stack … Continue reading Stack Audio Serene II Alto LP12 Upgrades