Power Supplies

Power Supplies for preamps, power amps and accessories. So quiet we use them in our own amps!

Designed by Kevin O'Connor and supplied with the highest quality parts.

If you have questions about application or installation, please email us at amps@londonpower.com, or phone 807-473-0952 from 11am-6pm, M-F EST

AMP-10 - 10W Tube Power Amp with Matching Power Supply

AMP-10 - 10W Tube Power Amp with Matching Power Supply

$441.00

AMP-10 is a 10W tube power amp with a matching power supply. AMP-10 is comprised of two eleme.....

AMP-25 - 25W Tube Power Amp With Matching Power Supply

AMP-25 - 25W Tube Power Amp With Matching Power Supply

$467.00

AMP-25 is a 25W tube power amp with a matching power supply. AMP-25 is comprised of two eleme.....

AMP-50 - 50W Tube Power Amp With Matching Power Supply

AMP-50 - 50W Tube Power Amp With Matching Power Supply

$511.00

AMP-50 is a 50W tube power amp with a matching power supply. AMP-50 is comprised of two eleme.....

GND - Ground link isolator

GND - Ground link isolator

$15.00

GND replaces the old-fashioned ground 'lift' switch of olde with a modern automatic ground-link g.....

MOS - replacement mosfet + thermopad

MOS - replacement mosfet + thermopad

$8.00

Did you damage the mosfet in your London Power kit installation? It always saves time to follow t.....

PSU-BLT - Assembly of Large Power Supply

PSU-BLT - Assembly of Large Power Supply

$80.00

Add PSU-BLT to your order, to have the following products shipped pre-assembled: PSU-COMP.....

PSU-10 - Power Supply for 10W Tube Power Amp

PSU-10 - Power Supply for 10W Tube Power Amp

$245.00

PSU-10 supports a 10W tube power amplifier and preamp and is an ideal match to London Power's PA6.....

PSU-25 - Power Supply for Tube Power Amp + 25W Transformer

PSU-25 - Power Supply for Tube Power Amp + 25W Transformer

$265.00

PSU-25 supports a 25W tube power amp and preamp and is optimally matched to London Power's PA66-2.....

PSU-50 - Power Supply for 50W Tube Power Amp

PSU-50 - Power Supply for 50W Tube Power Amp

$298.00

PSU-50 is a super-low-noise power supply that supports a 50W tube power amplifier, or a 25+25W st.....

PSU-COMP - Power Supply for Tube Amp - PCB + Passive Components

PSU-COMP - Power Supply for Tube Amp - PCB + Passive Components

$108.00

PSU-COMP is the PSU-TPA tube amp power supply PCB plus the components that mount on the board, pl.....

PSU-OPA - opamp supply derived from heater

PSU-OPA - opamp supply derived from heater

$50.00

PSU-OPA provides a transformer-isolated +/-8Vdc supply for opamps derived from the 6Vac heater su.....

PSU-PRE - Power Supply Kit for Tube Preamp

PSU-PRE - Power Supply Kit for Tube Preamp

$98.00

PSU-PRE can support up to six 12A_7 tubes - enough for a 3-channel preamp with effects loop, cons.....

PSU-TPA - Power Supply for Tube Power Amp - PCB Only

PSU-TPA - Power Supply for Tube Power Amp - PCB Only

$38.00

Tube power amplifiers require various voltages for the plate circuit, bias and heaters. PSU-TPA p.....

RBX - Raw Bias Auxiliary Supply Kit

RBX - Raw Bias Auxiliary Supply Kit

$49.00

The RBX provides a high-voltage low-impedance raw bias supply when one is not readily available i.....

RBX-BLT - Pre-assembly of RBX

RBX-BLT - Pre-assembly of RBX

$20.00

If you would like to receive RBX Raw Bias Auxiliary Supply pre-assembled, add RBX-BLT to your RBX.....

About London Power

London Power was founded in 1990 by Kevin O'Connor, after two decades of research into innovative audio amplification techniques. Kevin is an audio designer, author and speaker, known for his proprietary methodology called Power Scaling, and for his eleven books on audio subjects. Whether you seek amps, kits or information, you'll find useful answers here on not just the "how" but the "why" of audio amplifier design. Please enjoy the information on this site, and don't hesitate to contact us with questions.

Contact Us

(807) 473-0952
11 am - 6 pm, M-F
amps@londonpower.com
PO Box 10012, Thunder Bay, ON P7B 6T6 CANADA