LIMITED WARRANTY
BC Audio warrants this product against defects in materials and workmanship for ONE (1) YEAR
from date of original retail purchase (30 days for tubes). BC Audio reserves the right, before having
any obligation under this limited warranty, to inspect the damaged product, and all costs of
shipping the product to BC Audio for inspection shall be borne solely by the purchaser. In order to
recover under this limited warranty, Purchaser must make claim to BC Audio within 30 days of
occurrence, and must present acceptable proof of original ownership (such as original receipt) for
the product. BC Audio, at its option, shall repair or replace the defective unit covered by this
warranty.
This limited warranty does not cover any damage to this product that results from improper
installation, accident, abuse, misuse, neglect, natural disaster, insufficient or excessive electrical
supply, abnormal mechanical or environmental conditions, or any unauthorized disassembly,
repair, or modification. This limited warranty also does not apply to any product on which the
original identification information has been altered, obliterated or removed, has not been handled
or packaged correctly, has been sold as second-hand or has been resold contrary to the US export
regulations.
This limited warranty covers only repair or replacement of defective BC Audio products, as
provided above. In the event of a claim, BC Audio's sole obligation shall be replacement of the
product.
DISCLAIMER OF WARRANTY
EXCEPT FOR THE LIMITED WARRANTY PROVIDED HEREIN, TO THE EXTENT PERMITTED BY LAW, BC
AUDIO DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ALL WARRANTIES OF
MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE. TO THE EXTENT THAT ANY
IMPLIED WARRANTIES MAY NONETHELESS EXIST BY OPERATION OF LAW, ANY SUCH WARRANTIES
ARE LIMITED TO THE DURATION OF THIS WARRANTY. SOME STATES/PROVINCES DO NOT ALLOW
LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATIONS MAY
NOT APPLY TO YOU.
LIMITATION OF LIABILITY
REPAIR OR REPLACEMENT OF THIS PRODUCT, AS PROVIDED HEREIN, IS YOUR EXCLUSIVE REMEDY.
BC AUDIO SHALL NOT BE LIABLE FOR ANY SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES,
INCLUDING, BUT NOT LIMITED TO, PROPERTY DAMAGE, LOST REVENUES, LOST PROFITS, RENTAL
OF REPLACEMENT EQUIPMENT, DOWNTIME, DAMAGE TO PROPERTY, AND THIRD-PARTY CLAIMS,
ARISING OUT OF ANY THEORY OF RECOVERY, INCLUDING WARRANTY, CONTRACT, STATUTORY OR
TORT. NOTWITHSTANDING THE TERM OF ANY LIMITED WARRANTY OR ANY WARRANTY IMPLIED
BY LAW, OR IN THE EVENT THAT ANY LIMITED WARRANTY FAILS OF ITS ESSENTIAL PURPOSE, IN NO
EVENT WILL BC AUDIO'S ENTIRE LIABILITY EXCEED THE PURCHASE PRICE OF THIS PRODUCT. SOME
STATES/PROVINCES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR
CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU.
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS
THAT VARY FROM STATE TO STATE AND PROVINCE TO PROVINCE.
©2017 Bruce Clement, BC Audio, San Francisco
Other copyrights and trademarks are the property of their respective owners.
www.bcaudio.com
bc audio
hand-made all-tube non-clone guitar amps
OWNER’S MANUAL
Model GP100
The Grand Prix 100 Dual Power Guitar Amplifier features two channels, two modes per channel, 3-
band EQ, Presence & Depth controls and an effects loop – plus a revolutionary
Dual Power
footswitch-activated function that gives the performing guitarist the power to step out in front of
the mix for solos. The amp utilizes Octal preamp tubes and true point-to-point wiring. Construction
is heavy-duty, meant for real-world use and abuse. Made with the highest quality components and
USA iron.
I sincerely hope you enjoy playing your new Grand Prix 100 as much as I enjoyed building it.
ESSENTIAL INFORMATION
Tube placement, left to right (facing the rear):
V1
V2
V3
V4
V5
V6
V7
6SL7
6SL7
6SL7
EL34
EL34
EL34
EL34
Your amplifier is hard-wired for the correct line voltage for your region. The following data is for
120VAC line voltage.
Power: 120VAC, 60Hz, 3A
Mains Fuse: 4A Slow Blow, Type 3AG, 1/4” x 1-1/4”
H.T. Fuse: 1A, Type 3AG, 1/4” x 1-1/4”
When replacing power tubes, always replace with a matched quad and have the bias checked and
adjusted by a qualified professional. For detailed information on setting the bias, have your amp
technician contact BC Audio.
