HOME　 OTHER SERIES WH148(SINGLE/DUAL UNIT) MECHANICAL AND ELECTRICAL SPECIFICATION： Resistance Range:：500Ω-2MΩ Resistance Tolerance:：±20%(1MΩ or more ±30%) Gang Error：For volume:±3dB(-40dB-0dB) For tone: ±2dB(at -6dB) Rotational Noise：≤47mV Rotational Torque:：5-20mN.m Mechnical Endurance: above 10000 cycles WH148-1A-1 WH148-1A-2 WH148-1Ak-2（SWITCH） WH148-1B-2 WH148-1B-4J WH148-1B-2J WH148-2B-2 WH148-3A-2 WH148-3B-2 WH148-3B-2J WH148-1B-5