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Classic OD-9 Circuitry
For the OD-9 Pro+, Maxon took the classic OD-9 circuit and added switchable voltage and a mid boost switch, increasing its versatility to provide a powerful performance. Apart from the added features, the original OD-9 (TS-9) circuit is at the heart of the pedal, along with the PC board that Maxon has been using for the past 30+ years, complete with empty slots where the FET switching circuit has been left out. The absence of the FET switching circuit provides the pedal with extra output and a slightly open sound that’s perfect for creating classic rock tones. An NJM (JRC) 4558D Op Amp is also used in the pedal’s design, providing a smoother sound with less compression then other Op Amp to ensure that Maxon can create an authentic TS sound.
Switchable 9/18 Volt Operation & Mid Boost
Unlike the original OD-9, the Pro+ features a switchable voltage to produce two different overdrives and a mid-boost switch that adds +3dB at around 800Hz that helps lift your tone's midrange. When put into the standard 9V operation, the pedal’s overdrive produces the same sound as the original OD-9, and engaging the boost helps to cut through the mix for when you need an extra kick during solos. When running at 18V, the OD-9 Pro+’s tone is given a beefy low end with tight saturation and improved dynamics, allowing for a more chunky and aggressive pick attack. Activating the mid-boost switch when at 18V will offer more power to the pedals sound, letting you create powerful solos that can cut through the mix with ease.
Maxon’s Note on Powering the ODC-9 Pro+
This pedal’s voltage regulator IC requires a high inrush current of approximately 2000 mA upon startup. When using with a Power Brick such as the Voodoo Labs Pedal Power 2+, this pedal should be connected to a high current power jack when possible.
If it is not possible to connect to a high current jack, you can power the PAC-9 by leaving a battery in the pedal. Upon initial start-up, unplug the external DC power input cable, engage the pedal, and then plug the DC power input cable back in – the pedal will now power up normally off the external power supply until you power down your pedalboard.
Maxon started out in Japan in 1965 under the name Nisshin Onpa, manufacturing guitar pickups before producing OEM products for other companies. Nisshin Onpa was responsible for designing and manufacturing many legendary pedals while working in partnership with Ibanez, including the TS-808/TS808 and TS9 tube screamers. Although many of the pedals Maxon created were released under the Ibanez name, Maxon was producing pedals under their own name, and in 2002 when the two companies parted way, Maxon began to push its name as a manufacturer of high-quality effects pedals. Today Maxon produce "hard-to-find" vintage type effects pedals, and are used by many artists such as Pearl Jam, Troy Van Leeuwen, Steve Stevens, Brad Whitford, and many more.
- Input Impedance: 500K Ohms
- Input Jack: 1/4" Standard Phone Jack
- Output Impedance: 10K Ohms or Less
- Output Jack: 1/4" Standard Phone Jack
- Outputs: 1
- Equivalent Input Noise: -116 dB or Less (Input Shorted IHF-A Weighted)
- Maximum Gain: Normal 43 dB (at 1.5 KHz), Boost 46 dB (1 KHz)
- Controls: Drive, Tone, Level, Boost/Normal Switch, 9/18 Volt Operation Switch
- Switch: Normal/Effect (True Bypass Configuration w/4PDT Switch)
- Accessory: 1 x 9V Manganese Dry Cell Battery (S-006P), User’s Manual, Warranty Card
- Power Supply: 1x 9V Manganese Dry Cell Battery (6F22) or Special AC Adaptor
- Power Voltage: DC9 V (Battery) / DC10 V (AC-Adaptor)
- Current Consumption:
- 18 Volts: 35 mA (9 V) / 32 mA (10 V)
- 9 Volts: 27 mA (9 V) / 27 mA (10 V)
- Battery Life:
- Manganese Dry Battery: Approx. 3 Hours
- Alkaline Dry Battery: Approx. 8 Hours
- AC Adaptor: AC210N (Option)
- Input: AC120V
- Output: DC9V/200 mA Center - / Sleeve +)
- Width: 74mm
- Depth: 124mm
- Height: 54mm
- Weight (Including Battery): 580g (Approx.)
Please Note: Pedal does not come with an AC adaptor