Buffer (Integrated Circuit Based)
These buffers can be used in standalone boxes, or can be integrated into a Splitter Box, A/B stompbox, A/B/Y stompbox or on the front end of any unbuffered stompbox you have. If used for signal splits, they will keep each part of the signal split clear and full.
Single IC Buffer This is a simple IC Buffer you can build with just a few parts. Thanks to Jack Orman at AMZ and improvements posted by Dirk Wacker at Single Coil.com (almost at the bottom of the page is: Buffer PDF )
- General Build Instructions
- IC Buffer Instructions
- IC Buffer Bill of Materials
- IC Buffer Schematic
- IC Buffer Layout and Wiring Diagram
- IC Buffered ABY Switch(A/B/Y inputs and buffered output)Layout and Wiring Diagram
- IC Buffer Layout and Wiring Diagram (no bypass switch)
- IC Buffer Ready-For-Transfer Printed Circuit Board Layout
- IC Buffer Project Revisions History
Dual IC Buffer Here is a IC based Buffer PCB with two independent buffers on the PCB. You can split one input into the two buffers or have two inputs and two outputs (independent of each other).
- Dual IC Buffer Instructions
- Dual IC Buffer Bill of Materials
- Dual IC Buffer Schematic (2 inputs, 2 outputs)
- Dual IC Buffer Schematic (Splitter – 1 inputs, 2 outputs)
- Dual IC Buffer (2 Separate buffered lines) Layout and Wiring Diagram
- Dual IC Buffer (4-way buffered splitter) Layout and Wiring Diagram
- Dual IC Buffered ABY (single input into A/B/Y buffered outputs) Layout and Wiring Diagram
- Dual IC Buffer (single buffer on the Dual PCB)
- Dual IC Buffer (single buffer on the Dual PCB with Bypass switching)
- Dual IC Buffer Ready-For-Transfer Printed Circuit Board Layout
- Dual IC Buffer Project Revisions History
Buy a Single Buffer Complete Kit. Includes all the parts and materials you need to build one, all for about the price you would pay for a PCB and parts.
Buy a Dual Buffer Complete Kit. Includes all the parts and materials you need to build one, all for about the price you would pay for a PCB and parts.
Would you like a Ready to Solder Circuit Board for the Single IC Buffer project? (scroll down for a link to buy the Dual Buffer IC)
Would you like a Ready to Solder Circuit Board for the Dual IC Buffer project?
What does a Buffer do?
Your “signal chain” is everything between your guitar and amplifier input, including cables. As your signal chain gets more complex (adding more stompboxes and patch cables) you may start to notice a loss of treble in your guitar sound. Your sound may sound much more dull than it does when you plug guitar straight into the amp with a short cable. Check out this Information about Impedance and Buffers for some information on why this happens.
This Pete Cornish Case against True Bypass Article may do something to explain why a little buffer stompbox may be something useful to you. I believe there is also “A Case for True Bypass” as well, but the article might give you a good idea of what a buffer can do in your signal chain.
Please note that almost all Boss, some Ibanez and some other commercial pedals use a non-bypassed buffer. This means if you have a Boss pedal in your signal chain, then you probably already have a buffer in signal path even when the pedal is in bypass mode.