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DRIVETONELEVEL

Enclosure not stated · 3 knobs

Tagboard Effects

Rockbox Boiling PointVerified

Based on the Rockbox Boiling Point· 2 other boards clone it

Category
Overdrive
Controls
Drive · Tone · Level
Build
Vero· 19×15· 16 cuts, 6 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Overdrive

From the post

Yay, Overdrive layout number 100! :o) Info from Rockbox about their original:

The Rockbox Boiling Point Overdrive Boost incorporates a 3 position diode selector for a nearly endless variety of harmonic flavor. In the Plexi mode, the pedal has very Marshall-like response. For the Symetrical Overdrive mode, we gave the pedal a truly organic, tube-like distortion, with greater output. You will notice the overtones and response is like no other pedal. The middle position is a clean boost, with more than enough gain to send your favorite tube amp into overdrive heaven. While we gave the Overdrive Boost a tremendous amount of gain, we paid close attention to how the pedal cleans up. If you are a volume knob player, you will love how this pedal will clean up for a thick, creamy clean rhythm sound.

In a recent pedal shootout that included many of the "holy-grail" and vintage pedals like Landgraff, Klon, Fulltone, Lovepedal, Way Huge, Analog Man and Paul Cochrane, the Boiling Point was consistently named the "Best of Class" by all the players who participated.

For greatest road reliability, we don't use socketed connections in any location with the exception of the 4558 chip, which was designed to be socketed. Socketed connections, which you will find in some boutique builders work, can come loose and fail. We solder all connections within the pedal for greatest road reliability. The IC is socketed so that you can experiment with other IC chips. (We prefer the sound of the RC4558P in most builds, but can ship with any other chip you prefer). It may be quicker to use pin sockets like some of the more expensive competition, but we don't want you to suffer due to unreliable connections.

Final assembly of our effects are followed one final test: Each finished pedal is auditioned using the best test we know of - we listen to it.

We truly believe that the Boiling Point is one of the best overdrive pedals you will ever purchase. If you are an experienced guitarist, satisfied with your amplifier rig, the Boiling Point will add a wide variety of very tasty flavors to enhance your sound. "Enhance" is an important concept with us. The Boiling Point is specifically tuned with the finest quality components to ensure that the true sound of your guitar shines through. You will notice that your guitar's sound will remain the foundation of that sound even with the most aggressive distortion settings.

If you are like most of us, and have wasted money in the past on effects that just didn't cut it, the Boiling Point will make a believer out of you. We think that you will find the Boiling Point to be a useful tool in your arsenal of sound, and will get a permanent spot on your pedalboard.

Edited to show the position of the perceived "signal path" carbon comp resistors used by Rockbox, all other resistors are 1% metal film in the original as shown in the layout. I think they must have found a bulk lot of 1K at a good price, especially as they included the 1K resisto

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.

Parts list 28 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • 4M99 at the lower left next to 4K7: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 8
×51K1kread from the layout by eye
×810K10kread from the layout by eye
×1620K620kread from the layout by eye
×14M994.99Mread from the layout by eye
×14K74.7kread from the layout by eye
×1100R100read from the layout by eye
×1220R220read from the layout by eye
×1510K510kread from the layout by eye
Capacitors 10
×151p51pread from the layout by eye
×122n22nread from the layout by eye
×2100n100nread from the layout by eye
×2150n150nread from the layout by eye
×21u1uread from the layout by eye
×1220n220non the 2 position switch; read from the layout by eye
×1470n470non the 2 position switch; read from the layout by eye
×110u10uelectrolytic; read from the layout by eye
×147u47uelectrolytic; read from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Diodes 1
×41N41481N4148D1-D4, on the clipping switch; read from the layout by eye
Transistors 2
Q1MPSA18MPSA18read from the layout by eye
Q2MPSA18MPSA18read from the layout by eye
ICs 1
ICRC4558PRC4558Pread from the layout by eye
Potentiometers 3
DriveA1MA1MPotentiometerread from the layout by eye
ToneB2KB2kPotentiometerread from the layout by eye
LevelB100KB100kPotentiometerread from the layout by eye
Switches 2
Sw1DPDT on/off/onDPDT ON/OFF/ONclipping selector; read from the layout by eye
Sw2DPDT on/onDPDT ON/ON2 position, selects 220n / 470n; read from the layout by eye
LEDs 1
×23mm red LED3MM RED LEDD5, D6, on the clipping switch; read from the layout by eye

Other boards based on the Rockbox Boiling Point