Amplification for the Discriminating Musician
ValveTrain Concord
User
®
Guide
ValveTrain Amplification, LLC
1119 Robie Avenue
Mount Dora, FL 32757
407 886-7656
www.valvetrainamps.com
sales@valvetrainamps.com
Table of Contents
Thank You .................................................................................................................. 3
Getting Started ............................................................................................................ 3
Operating the Amplifier.............................................................................................. 4
Technical Info............................................................................................................. 5
Tricks & Recommendations........................................................................................ 5
Warranty Information ................................................................................................. 6
ValveTrain Amplification Page 2 ValveTrain Concord User Manual
Thank You
We would first and foremost like to thank you for purchasing your amplifier from ValveTrain
Amplification. Your selection means a great deal to us.
Just so you know where we stand on things…
We are committed to providing the most discriminating guitarists in the universe the best possible products
in amplification.
We build a limited portfolio of hand wired amplifiers based off the most sought after circuits in history
using the best parts available.
Getting Started
There are several things you should know to get started with your new amplifier.
• There are no user serviceable items inside the chassis of this amplifier. For your own safety
contact us directly, or take it to a qualified technician.
• ValveTrain Amplification is not responsible for your safety when using this device. We give you
these basics to protect you and well as ourselves.
• Use Common Sense.
• Do not use the amplifier, or leave it plugged in when it is exposed to liquids. (This includes rain,
water, soft drinks and beer.)
• Do not change tubes or fuses without first unplugging the amplifier.
• Use the correct replacement fuse in the event that it needs to be changed.
• Tubes can get extremely hot when the amplifier is in use. Please keep your children away from
them, along with anyone else. They will get severely burned if they come in contact with the
tubes when the amplifier is in operation or recently powered off.
• Do not use the amplifier when it is near drapery, furnishings, paper or anything else flammable.
The heat from the tubes may possibly cause them to ignite. Maintain at least 6 inches of space
around the unit while it is in operation.
• Instrument amplifiers by nature are intended to get loud. Respect your hearing and the hearing of
others. Permanent damage may result.
• This amplifier comes with a grounded power cord (3 prong). Do not alter this and always make
sure the unit is connected to properly grounded power of the correct voltage. (United States
120VAC)
• Never run the amplifier without speaker(s) connected. You may cause major damage (not under
warranty by the way) to the amplifier.
We’ve tried to do our part, you do yours…
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Don’t take chances.
Operating the Amplifier
The control panel of the ValveTrain Concord looks like this:
It’s really pretty simple to use…
Let’s start from the way we’re actually going to use the amp.
1. The input jack is where you plug in your instrument cable.
2. There are 3 knobs on the amplifier, one that controls the overall Volume of the amp, a Bass and a
Treble Control. With both the tone controls set at 5 the amplifier response is basically flat. The
Bass control allows you to boost or cut low frequency response. The Treble control boost or cut
high frequency response.
3. The pilot lamp is also located on the top panel and is illuminated when the amplifier is powered
on.
4. Make sure that the amp is plugged into a grounded outlet at 120 Volts A.C (Standard U.S.
Electricity)
5. Flip the power switch to the position marked “Power On” and the pilot lamp will begin to glow.
Leave the volume setting set to 1.
6. WAIT AT LEAST 30 SECONDS. The tubes in this amp need a little time to warm up… You
could shorten the life of the tubes by rushing things…
7. Next, turn the volume up to the desired level of overall loudness and play!!
That’s about it…
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Technical Info
Power Requirement: 120 A.C. (Alternating Current) – Grounded Outlet
Fuse: 1 AMP Slo-Blo built into the power cord outlet of the Chassis.
Power Output: Approximately 6 Watts R.M.S.
Tuber Order: Numbered 1 through 2 from RIGHT to LEFT as you look at the back of
the amplifier.
Preamp Tube: 12AX7 in position 1.
Alternatives: any 12AX7, 12AY7, 12AT7 or 5751
Power Tube: 6V6GT – This tube is located in position 2.
Speaker Output Load: 8 Ohms. (you may use a 4 or 16 ohm speaker if desired)
Speaker Outputs: There are 3 speaker jack located on the back of the chassis. The
internal speaker should be plugged into the 8 ohm jack for normal use.
The 4 ohm jacks are wired in parallel and can be used to power a single
4 ohm speaker or a pair of 8 ohm speakers.
The total recommended load for the amplifier is 8 Ohms. The amps
should operate without damage at 4, 8 or 16 Ohms.
Never run the amplifier without a speaker load connected
Speaker: Eminence Legend 12” speaker at 8 ohms.
Tricks & Recommendations
#1
Learn to use the Volume control on your guitar…
Back it down to cleanup the signal and get clean, shimmering tones.
Open it up to get a more distorted tone …
#2
The Tone controls have a fairly wide response. Start with both controls at 5 and then play around to find
your favorite tones.
#3
Enjoy!!
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Warranty Information
Please be sure you understand the information on this page, we do our best, but we've got to have a few
rules...
Our Warranty:
We stand behind our products. We warrant our products to the original purchaser for a period of 1 year
from the date of purchase.
If you send us the registration card within 30 days of purchase (proof of purchase required), we will extend
the warranty 1 additional year.
The warranty covers parts and labor for our workmanship and all components except tubes and speakers,
which are covered for 60 days.
For warranty service, send us the amp and we'll fix it. You pay the shipping costs both ways.
If the amp has been modified, abused or repaired by someone else, the warranty is void.
Any abused or damaged items are not eligible for warranty claims.
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