The TPC1 Preamp Buffer


The TPC1 preamp's are available in 2 sizes, the TPC1 and the TPC1sm(Smaller size). The TPC1sm's output capacitor is switched to a tubular type and the circuit board is altered to accomplish the smaller footprint. The TPC1sm version is specifically made to accomodate those with a smaller/tighter control cavity. Both the TPC1 and TPC1sm retain the same circuit, component material, and identical tone. The physical footprint is the only difference between the two.

A Unity Gain Version is also available in both sizes. Unity Gain simply means the Gain that goes into the preamp is equal to the Gain sent back out of the preamp. The Stock TPC1 is NOT Unity Gain, but for those that need or want the Unity Gain version it can be selected as an option. The Tones are Identical with only an approximate -1.7dB loss with the Stock TPC1

When ordering please select the options that best fit your needs.

TPC1 & TPC1sm

TPC1 Notes:

~ A Switchcraft 12b Type TRS Output Jack IS needed for on/off switching purposes.~

~ A 9 volt Battery Snap or Box is needed for Powering the Preamp Buffer~

~ Typically the Preamp Buffer is placed in the circuit BEFORE the Guitars Volume control and requires a 25kLog Volume control to keep the output impedance low. If placed after the Volume control, the Volume control change is not needed.~

~ The Preamp Buffer is NOT an Onboard Effects Loop(OBEL). The OBEL requires additional components.~

~ The Stock TPC1 - is NOT a Unity Gain Preamp. A Unity Gain version IS available if needed.~

~ The TPC1 Layout for installation is located here.~

~ Strat Type Wiring Layout located here ~

~A Typical Preamp Buffer instructions are located here. ~


Approximate Preamp Size in Inches:

TPC1 = 1-43/64" X 1-25/64" X 1/2" Tall

TPC1sm = 1-19/64" X 1-25/64" X 1/2" Tall

(NOTE: To help decipher the preamp that suits your needs, measuring out a small piece of cardboard/paper and placing it in your control cavity can help determine which preamp you can use.)


Pricing & Shipping:

$75.00 ea. W/$5.50 FIXED Shipping To The Continental 48 States(CONUS)

If more then 1 preamp is needed per order please Contact Me for an Invoice. I will need your PayPal email address to send the Invoice to.

If shipping outside CONUS, Please Contact Me First.
Turn around time is USUALLY around 7 to 10 Business Days.

TPC1 Options

PayPal or United States Postal Money Orders are the only forms of Payment Accepted. If other arrangements are needed, please contact me.


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