DYNACO ST-400 ST410 ST-416 NEW PC-28 DRIVER BOARD COMPLETE KIT 2 CHANNELS

Description

INCLUDES
1 PAIR
OF
DYNACO 400 410 416 NEW PC-28 DRIVER BOARD
S WITH ALL COMPONENTS AS REQUESTED. LIMITED TIME ITEM!! THESE DOUBLE SIDED PC BOARDS ARE TO THE LATEST REV FOR USE  IN THE ST-400, ST-416, OR ST-410 AND INCLUDES THE EXTRA POLYPROPYLENE BYPASS CAPS IN THE COUPLING STAGES. ALL HIGH QUALITY PARTS INCLUDED AS FOLLOWS: 48 SEMICONDUCTORS, 44 CAPACITORS, 90 RESISTORS, AND 4 TRIMMER POTENTIOMETERS.
ALSO INCLUDED ARE 8 NEW MICA INSULATORS AND 8 INSULATING BUSHINGS FOR THE TIP TRANSISTORS
.
YOU MUST RECLAIM THE ANGLE HEATSINK AND HARDWARE FOR REUSE WITH THIS DRIVER BOARD. BLANK BOARDS ARE ALSO AVAILABLE IF WANTED. THIS KIT WILL REBUILD TWO CHANNELS. I DO HAVE HAND DRAWN HEATSINK SPECIFICATIONS IF NEEDED. AS ALWAYS, THANKS FOR LOOKING!
NOTE: COMES WITH PARTS LIST, SCHEMATIC OF LATEST REV PC-28 BOARD, AND PICTORIALSHOWING PARTS LOCATION.
VALUES OF 680pF AND LESS ARE MURATA
1000VOLT MIN
5% CONFORMALLY COATED CERAMIC CAPACITORS. ELECTROLYTICS ARE NICHICON  RADIAL AUDIO GRADE OR BETTER.C201 IS NON-POLAR NICHICON ELECTROLYIC WHICH REPLACES THE OLD TANTALUM.
ALL OTHERS CAPACITORS ARE XICON,
RUBYCON, OR CORNELL-DUBILIER
250 TO 630V 5% OR 10% POLYPROPYLENES
.
FEATURES
• Low dissipation factor
• High insulation resistance
• High stability of capacitance and DF
versus temperature and frequency
• Self-healing properties
• Non-inductive