Printed Circuit Board # 9

Universal Preamp Power Supply

(PC Board Only)

Price: $30 including postage for U.S. addresses

AWA Preamp Power Supply PCB
AWA Phono Preamp and Power Supply PCBs

To order this product, click on the button to the right.

Description:

The universal preamp power supply PCB is for the AWA MM preamp or similar applications.  Four voltage regulators for heaters and B+.  Transformers on PCB: 12VA or 24VA size.

B+ #1: 200-300V variable @ 5 mA, has a second output with additional filter for low level stage

B+ #2: 200-300V @ 5 mA or 20 mA (up to 70 mA with a larger transformer)

Dual 12.6VDC heater supplies (one can be biased positive to keep within H-K limits with a cathode follower, cascode, etc.).  0.3A each (0.6A with larger transformer), 6.3VDC or adjustable supply is optional.

PCB is 6.5” x 6.5”, includes a typical parts list and schematic.  Bare PCB only, no other parts included.

This is a project for advanced builders who are familiar with the hazards of AC line voltage and high voltage DC. Additional information is available at the link below.

Price:

PCB #9 is being offered in the AWA Store for $30 including U.S. Postage; use the form below for non-U.S. postage, multiple orders, or for the AWA member’s discount.  

Downloadable Information:

A detailed description of the PCB #9 preamplifier power supply project is available by clicking on the button to the right.

Considerations:

This offering is for the bare PCB only and additional components are required. 

PCB Info Help

If you have any questions, contact the staff at AWAHelpDesk@antiquewireless.org.

Ordering Options:

On-Line Store

To purchase the Universal Preamp Power Supply utilize the button to the right which takes you to the On-Line Store for this item.

Additional Information

To request an AWA Membership discount or shipping information for Non-US shipping, utilize the form below. Be sure to specify the PCB Item # and the quantity of each board in your request.

Make sure you specify the PCB Item # and the number of the boards desired.

To return to the main PCB On-Line Store page, click on the button to the right.