NUX Ace Of Tone Dual Stackable Overdrive Pedal

NUX proves two is better than one with the Ace of Tone! This dual overdrive pedal combines two popular flavors into one box for the ultimate stackable dirt.

ACE of TONE is a dual overdrive pedal stacked with Tubeman MKII and Morning Star. Why? Because great guitarists love 2 overdrives to stack their tone.
In the left corner~ Tubeman with FAT mode. Tubeman offers way more clarity and gain than any classic Tubescreamer, and modified the circuit with a useful secondary function by simply holding the foot switch~ FAT mode. It cranks way more bass response to enhance the low-end yet makes the tone warmer!

In the right corner~ Morning Star with SHINE mode. Morning Star is based on legendary Bluesbreaker circuit: very transparent, low gain drive. Like the Morning Star, it also features a simple FOOT SWITCH HOLD to engage the iconic SHINE mode. In SHINE mode, you can get way more treble sound to make your tone crystal-clear.
Versatile routing and toggle switches. You can adjust the order as MS->TM or TM->MS. On the top side, you can toggle BF/TB switch for Buffer-Bypass or True-Bypass, and 9V/18V switch to 18V for internal double voltage for wider dynamic range.


- 2 classic overdrive circuits in one compact enclosure.
- Versatile modes and routing design to enhance the tone variety.
- Input: Connect your guitar side to INPUT jack.
- Output: Connect the OUTPUT signal to amp side.
- EXT. SW: You can use external foot controller (like NUX NMP-2) to remote this pedal.
- BF / TB Toggle Switch: BF means Buffer-Bypass, TB means True-Bypass. You can choose BF while you connect with several pedals in your signal chain to solve read more tone-loss situation.
- 18V/9V Toggle Switch: ACE of TONE can double the voltage internally while you toggle to 18V position, that can increase dynamic range and headroom.
- DC Jack: Use ONLY: 9V Negative Tip power with 100mA.
WARNING: Cancer and Reproductive Harm -
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-Input Impedance: 2.2MO
-Output Impedance: 1kO
-Power: 9V DC (Negative tip, Optional ACD-006A adapter)
-Current Draw: less than 100mA
-Dimensions: 105(L)X115(W)X58(H)mm
-Weight: 440g
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 125 lbs
Shipping Dimensions: 6 x 6 x 3 in
Manufacturer Part Number (MPN): NDO-5 Ace of Tone

For support or warranty questions, please contact the manufacturer:
Phone: 626-800-7466


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