
Our selection of unique Tube Preamp Kits features something for every sonic taste, from Fender, to Dumble, to British, to heavy rock, to modern metal, using 12A_7 tubes. Low-noise design uses 12V heater wiring.
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

BFX - Best All-Tube Effects Loop Kit
$98.00
BFX can be incorporated into any tube amp, providing a tube solution to active effects loop requi.....

D-PRE - Mini-Marshmallow Preamp Kit
$128.00
D-PRE is based on London Power's Mini-Marshmallow amp, which was a tribute to Howard Dumble. The .....

D-PRE-HP
$50.00
D-PRE-HP is the "hard-to-find parts", essentially the printed circuit board and the tube sockets,.....

D-PRE-PCB
$38.00
D-PRE-PCB is just the printed circuit board and notes for our D-PRE Mini-Marshmallow Style Tube P.....

F-PRE - Fender-Style Preamp Kit
$88.00
F-PRE is the classic North American style of clean preamp: two gain stages with an EQ and level c.....

F-PRE-HP
$44.00
F-PRE-HP is the "hard-to-find parts" for our F-PRE Fender-style Tube Preamp, including the printe.....

F-PRE-PCB
$38.00
F-PRE-PCB is the printed circuit board plus assembly notes for F-PRE Fender-style Tube Preamp. .....

LIC - Technology Licence (per unit, for commercial builders and installers)
$5.00
NOTE: Installations and constructions using London Power kits are inherently licenced, and no add.....

LINE - Dual Output Buffer Kit
$120.00
The LINE kit is two buffer circuits with transformer-isolated outputs. These buffers can be fed f.....

LP-PRE - London Power 2-Channel Guitar Preamp Kit
$128.00
LP-PRE is based on London Power's STANDARD Preamplifier presented in our book The Ultimate Tone (.....

LP-PRE-HP
$50.00
LP-PRE-HP is the printed circuit board, tube sockets and assembly notes for LP-PRE London Power 2.....

LP-PRE-PCB
$38.00
LP-PRE-PCB is the printed circuit board and assembly notes for our LP-PRE London Power 2-Channel .....

M-PRE - British-Style Preamp Kit
$115.00
M-PRE produces traditional British rock and metal sounds. The card allows wiring as a dual-volume.....

M-PRE-HP
$50.00
M-PRE-HP is the "hard-to-find parts" for our M-PRE British-style Tube Preamp, including the print.....

M-PRE-PCB
$38.00
M-PRE-PCB is the printed circuit board and assembly notes for M-PRE British-style Tube Preamp. .....

PRE1-BLT
$40.00
PRE1-BLT can be added to your order for any Tube Preamp that has a single tube, including: &n.....

PRE2-BLT
$80.00
Add PRE2-BLT to your order of a Tube Preamp that uses two tubes, to obtain that kit pre-assembled.....

PSP-BLT - Pre-assembly of Simple PSUs
$40.00
Add PSP-BLT to your order of PSU-PRE Power Supply Kit for Tube Preamp if you would like to receiv.....

PSU-PRE - Power Supply Kit for Tube Preamp
$98.00
PSU-PRE can support up to five12A_7 tubes - enough for a 3-channel preamp with effects loop, cons.....

QS-LV - Quiet Supply for Low-Voltage Tube Amps
$49.00
The QS-LV provides a large reduction of supply-borne noise and hum - typically 60dB from 50Hz to .....

REV - LP-Style Reverb Loop Kit
$180.00
This is the London Power style reverb loop, using a push-pull reverb driver and two-stage recover.....

REV-COMP - LP-Style Reverb Loop: PCB + Components only
$120.00
This is the London Power style reverb loop, using a push-pull reverb driver and two-stage recover.....

REV-HP - LP-Style Reverb Loop: PCB + Hard-to-find Parts only
$92.00
This is the London Power style reverb loop, using a push-pull reverb driver and two-stage recover.....

REV-PCB - LP-Style Reverb Loop: PCB only
$38.00
This is the London Power style reverb loop, using a push-pull reverb driver and two-stage recover.....

S-PRE - London Power Spectum Bass Preamp Kit
$115.00
The S-PRE is based on the preamp sections of London Power's SPECTRUM bass amps. The front end is .....
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