Until January 4, 2026, we are offering an extra 10% discount on all currently valid prices in the ABM online shop. Click here for your discount code and further information. Goods ordered between Dec. 24, 2025, and Jan. 4, 2026, will be delivered on January 5, 2026, as our office is closed during the period. We wish you a Merry Christmas and a healthy New Year 2026!

The material provides a strong, but balanced tone with additional fine treble (Twang).