1590A · 1 knob
Spare Room ReverbPhenomenal Reverb Powers, Itty Bitty Pedalboard Space
From the vendor
OK, so maybe attributing phenomenal reverb powers to it is overselling it a bit much, but there is no denying that you don't need a pedalboard mansion to have some reasonable reverb. Just a little spare room (get it!?) and you can eliminate the dryness from your pedal chain. While the Spare Room won't get you the same lush, dense reverb that the T60 or Riptide will, it is a fantastic effect for the space. Again, no brick here, so you know it will be economical, as well.
In the DIY world, reverb projects seem to be few and far between. Most that are out there rely on the Belton brick or the FV-1 DSP chip. Both are great options, but both are also approximately $20 each, which makes for a pricey component. One of the more popular DIY reverb projects that requires neither of these is the Equinox II by Merlin Blencowe (AKA ValveWizard). When researching for the T60 Reverberator, I built
Schematic
The schematic is in the vendor's build document, page 1. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 85 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 31 | ||||
| R1 | 100R | 100 | ||
| R2 | 1M | 1M | ||
| R3 | 10k | 10k | ||
| R4 | 4k7 | 4.7k | ||
| R5 | 10k | 10k | ||
| R6 | 15k | 15k | ||
| R7 | 15k | 15k | ||
| R8 | 15k | 15k | ||
| R9 | 10k | 10k | ||
| R10 | 8k2 | 8.2k | ||
| R11 | 10k | 10k | ||
| R12 | 10k | 10k | ||
| R13 | 10k | 10k | ||
| R14 | 10k | 10k | ||
| R15 | 10k | 10k | ||
| R16 | 4k7 | 4.7k | ||
| R17 | 22k | 22k | ||
| R18 | 10k | 10k | ||
| R19 | 10k | 10k | ||
| R20 | 10k | 10k | ||
| R21 | 100R | 100 | ||
| R22 | 100k | 100k | ||
| R24 | 10k | 10k | ||
| R25 | 10k | 10k | ||
| R26 | 10k | 10k | ||
| R27 | 2M2 | 2.2M | ||
| R28 | 15k | 15k | ||
| R29 | 100k | 100k | ||
| R30 | 680k | 680k | ||
| R31 | 47k | 47k | ||
| R32 | 10k | 10k | ||
| Capacitors 36 | ||||
| C1 | 100n | 100n | ||
| C2 | 15n | 15n | ||
| C3 | 100n | 100n | ||
| C4 | 47u | 47u | ||
| C5 | 100n | 100n | ||
| C6 | 100n | 100n | ||
| C7 | 2n2 | 2.2n | ||
| C8 | 100n | 100n | ||
| C9 | 100n | 100n | ||
| C10 | 10n | 10n | ||
| C11 | 10n | 10n | ||
| C12 | 100n | 100n | ||
| C13 | 47u | 47u | ||
| C14 | 100n | 100n | ||
| C15 | 100n | 100n | ||
| C16 | 1u | 1u | ||
| C17 | 1n | 1n | ||
| C18 | 100n | 100n | ||
| C19 | 100n | 100n | ||
| C20 | 1u | 1u | ||
| C21 | 10n | 10n | ||
| C22 | 2n2 | 2.2n | ||
| C23 | 100n | 100n | ||
| C24 | 1u | 1u | ||
| C25 | 47n | 47n | ||
| C26 | 1u | 1u | ||
| C27 | 1n | 1n | ||
| C28 | 1u | 1u | ||
| C29 | 100u | 100u | ||
| C30 | 47u | 47u | ||
| C31 | 100u | 100u | ||
| C32 | 1u | 1u | ||
| C33 | 1u | 1u | ||
| C34 | 1u | 1u | ||
| C35 | 470n | 470n | ||
| C36 | 470n | 470n | ||
| Diodes 1 | ||||
| D2 | 1N5817 | 1N5817 | ||
| Transistors 1 | ||||
| Q1 | BC549 | BC549 | ||
| ICs 4 | ||||
| IC1 | TL072P | TL072P | ||
| IC2 | DIP16 | DIP16 | ||
| IC3 | DIP16 | DIP16 | ||
| IC4 | 78L05Z | 78L05Z | ||
| Potentiometers 1 | ||||
| MIX | A10k | A10k | ||
| Switches 1 | ||||
| SW | LSP10 | LSP10 | ||
| LEDs 4 | ||||
| D1 | LED | LED | ||
| LED | LSP10 | LSP10 | ||
| LED1 | LED | LED | ||
| R23 | RLED | RLED | ||
| Other 6 | ||||
| +9V | LSP10 | LSP10 | ||
| GND | LSP10 | LSP10 | ||
| GND_IN | LSP10 | LSP10 | ||
| GND_OUT | LSP10 | LSP10 | ||
| IN | LSP10 | LSP10 | ||
| OUT | LSP10 | LSP10 | ||