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"Snubberized" power supply kit


Picture shows new power supply PCB
Power supply configuration based off of a unregulated design by Carlos Filipe
Picture of assembled power supply
More pictures of the power supply board in my gallery
Pictures of rev.2 LM3875 with components installed for new power supply - front view
Pictures of rev.2 LM3875 with components installed for new power supply - back view
Two kits will be offered for the power supply: a stand-alone supply (good for upgrading stereo LM3886 setups to dual mono), and an upgrade kit, for converting legacy gainclones to the new power supply setup (legacy refers to the 1500uf cap setup)
Snubber Stand-alone Power Supply Kit Contents
210000 uF 50v Panasonic TS Capacitors (35mm x 30mm low profile)
40.1 uf BC polypropylene cap
8MUR860 On Semiconductor Diodes
22.2 kohm 2w metal film resistors
21 ohm 2w metal film resistors
1blue LED
11N4004 diode
110 kohm 0.5w compact metal film resistor
110 uF Panasonic FC Capacitors
2terminal blocks for AC input
Snubber Power Supply Upgrade Kit Contents
210000 uF 50v Panasonic TS Capacitors (35mm x 30mm low profile)
40.1 uf BC polypropylene cap
8MUR860 On Semiconductor Diodes
22.2 kohm 2w metal film resistors
21 ohm 2w metal film resistors
1blue LED
11N4004 diode
110 kohm 0.5w compact metal film resistor
110 uF Panasonic FC Capacitors
2terminal blocks for AC input
Additional components for retrofitting legacy amp boards
(1500uF caps removed and replaced with 0.1uF||100uF combination)
40.1 uf film caps
(with 10mm wider lead spacing for mounting on the older boards, see pictures above)
4100 uf 50v Panasonic FC
©2005 Brian Bell. Site design: Purple Coral.