The Full-Drive 1 strips the two-channel Full-Drive 2 down to its core: a single overdrive channel with the same JRC4558-based circuit, in a smaller, simpler enclosure with no boost channel.
Key Features
- Single-channel overdrive built on the classic Full-Drive 2 circuit
- Three-way clipping toggle: Comp-Cut, Vintage, Flat-Mids
- JRC4558 op-amp, the same chip used in classic Tube Screamer-style circuits
- Full-size audiophile-grade capacitors, internal battery cradle
- True bypass, top-mounted jacks
The Core Full-Drive Sound, Simplified
Volume, Tone, and Drive form the main control set, joined by a three-way toggle switching between Comp-Cut, Vintage, and Flat-Mids voicings. Comp-Cut removes some clipping diodes for a more open, cleaner-edged drive. Vintage gives traditional, slightly asymmetrical clipping in the classic 90s Full-Drive style. Flat-Mids uses a feedback circuit that cancels some midrange content for a more open, natural-sounding overdrive.
Controls
- Volume: sets the output level
- Tone: shapes the overall voicing
- Drive: sets the amount of gain
- Toggle switch: selects between Comp-Cut, Vintage, and Flat-Mids clipping modes
Power
9-18V DC centre-negative supply, or an internal battery. True bypass, top-mounted jacks. A CIOKS DC7 v2‘s selectable voltage outputs make it easy to try both 9V and 18V.
Who Is This For
Worth a look if you want the core Full-Drive 2 sound without the boost channel, in a smaller, simpler, more affordable package.
[Video to be confirmed and added]
What does the Fulltone Full-Drive 1 do?
It’s a single-channel overdrive built on the classic Full-Drive 2 circuit, giving the core Full-Drive sound in a smaller, simpler enclosure without the boost channel.
What power supply does the Full-Drive 1 need?
A 9-18V DC centre-negative supply, or an internal battery. A CIOKS DC7 v2’s selectable voltage outputs make it easy to try both.
Is the Full-Drive 1 true bypass or buffered?
True bypass.
What do the three clipping modes do?
Comp-Cut removes some clipping diodes for a more open, cleaner-edged drive. Vintage gives traditional, slightly asymmetrical clipping. Flat-Mids uses a feedback circuit that cancels some midrange content for a more open, natural-sounding overdrive.
How does this differ from the Full-Drive 2?
The Full-Drive 1 removes the separate boost channel entirely, keeping just the core overdrive circuit in a smaller enclosure.
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