Description

NEW ES4SB220XHD capacitor block circuit board for high voltage power supply in Heathkit SB220 or SB221 linear amplifier. XHD=XTRA HEAVY DUTY. Bleeder resistors are 5w rated, nearly double the rating required. Extra wattage resistor body means less temperature rise. Capacitors are 390 mfd rated at 500 volt, 105 deg C, 5000 hour long life. Extra size capacitors means longer life and more headroom in amplifier power supply. Comes assembled with (8) 100K ohm 5 watt resistors and (8) 390 mfd 500v rated capacitors all checked prior to installation. Excellent value board NEW, ASSEMBLED, and direct from the manufacturer ELECTRONIC SPECIALTIES located in IA in USA. Assembled and ready for installation. Please ask any questions I will attempt to help.