EQ / Preamp (Discrete Op Amp Preamplifier) · $325
The TipTone Audio Devices OP-12 is an analog discrete Op Amp Preamplifier pedal based on the Discrete op-amp (TT10 ten-transistor), with Gain (saturating), Variable high-pass filter, Semi-parametric mid EQ (freq + boost/cut), Output level, LED level meter controls, made in USA. From $325.
| Category | EQ / Preamp (Discrete Op Amp Preamplifier) |
| Circuit / based on | Discrete op-amp (TT10 ten-transistor) |
| Signal | Analog |
| Controls | Gain (saturating), Variable high-pass filter, Semi-parametric mid EQ (freq + boost/cut), Output level, LED level meter |
| Footswitches | 1 |
| Bypass | true bypass (relay-controlled, soft-touch footswitch) |
| True bypass | Yes |
| I/O | Transformer-coupled output; balanced/unbalanced configurable via TRS cabling |
| Power | 9VDC center negative |
| Power draw | 175 mA |
| Dimensions | 95mm x 120mm x 65mm |
| Country of manufacture | USA |