Qalabka fargeetada loo yaqaan 'Resonant Tuning Fork Set', 426.6Hz
E15.1601-1 S: 426.6Hz, Steel, 2 Forks With Wooden Resonator, 1 Rubber HammerE15.1601-1 A: 426.6Hz, Aluminium, 2 Forks With Wooden Resonator, 1 Rubber Hammer
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