BATTERY ELIMINATOR diy KIT vintage miniature vacuum tube radio Power Supply set

Description

OUR VERY OWN DESIGN OFFERING - Battery Eliminator Power Supply Kit.
=== See our other listings, for our NEW, standard power Battery Eliminator kit, for most vacuum tube radios ===
NOTE:
This is a low power kit, mainly designed for use with our other miniature tube kits.
Verify it is compatible with your intended use.  The specifications are clearly listed below.
Kit includes plastic case.  User must drill round holes for construction.
This kit features three, independent DC power sources, to provide B+ (high voltage), A+ (filament voltage) and C- (grid voltage), for vacuum tube and other electronic equipment. The kit was primarily designed to be used with our line of low power vacuum tube kits, but can be used to power vintage vacuum tube radios, and other antique equipment. Most of our kits will benefit from the increased voltage available by this supply. Modifications to connected kits may be necessary when operated at higher voltages.
The kit provides the following voltages and currents.  Verify it is compatible with your equipment.
B+ circuit consists of a standard series string zener diode arrangement, with taps of 22, 44, 66 and 88 volts. Nominal current of 10mA at 88 volts, higher current at lower voltage taps respectively.
A+ circuit consists of a LM317 voltage regulator. Variable output from 1.2 - 8.0 volts, up to 350mA. Stock kit provides a trimmer to supply 1.4 volts.
C- circuit provides an adjustable, unregulated 0 - 28 volts. An optional onboard zener diode regulator is available.
NOTE:
The unit must be operated in the supplied enclosure at all times
.
Only for sale for to people experienced with line powered devices
.
Not for sale to, or use by minors
.
Kit features easy printed circuit board assembly. High quality fiberglass circuit board, measures 3.9 x 3.45 inches. Case measures 5-5x8" wide, by 4-3/8" deep, by 2-3/4" high.  Single sided design without plated through holes, so it is easy for the beginner to solder and unsolder components. Board has three different color LED's to monitor each supply. AC line input fuse. Connections are made by a convenient, front mounted terminal strip, with provision for up to 6 connections.  Kit no longer  includes board mounted connectors shown in photo, wires form front mounted terminal block solder directly to board.  Complete with all parts. Kit includes line cord and external power switch. User must drill round holes in enclosure as necessary for construction.  With printed instructions.
See our other listings for more Radio, Electronic and other
RARE
and
UNIQUE
items.
The seller makes no representation of any item(s) sold to be fit for a particular purpose and assumes no liability for its use or misuse. It is assumed that the unit(s) will be installed and operated by qualified personnel. The purchaser agrees that the seller shall not be held responsible or liable for any injuries or damages, whether incidental or consequential, associated in any way with the item. Not for sale to, or use by minors.
Board has 3 LED's, one for each supply.
Kit no longer includes board mounted connectors shown in photo, has front mounted terminal block instead.
Kit includes AC power line cord and case, not shown in above photo.
Kit must be operated in supplied enclosure at all times.
Unit shown operating transistor radio. Photo for illustrative purposes only, do not operate without enclosure
Unit powering our vacuum tube audio amplifier kit. Photo for illustrative purposes only, do not operate without enclosure
Most of our kits will benefit from the increased voltage available by this supply.  Modifications to connected kits may be necessary.
See our other listings, for more of our EXCLUSIVE PC board kits,
including reproduction Heathkit and Knight Allied items.
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