








Tone Bender MKI / Rangemaster Treble Booster
Double Trouble. Dual MKI Tone Bender / Rangemaster Treble Booster in pastel green with neon orange knobs. The MKI features an added gain knob and remains true to the original with the gain set to the center position. The Rangemaster features an added EQ switch to select from three shades of treble boost.
TRANSISTORS
1960's Mullard GET 113
1974 Texas Instruments CV7354
1974 Texas Instruments CV7354
Soviet MP20
CONTROLS
MKI: Level, Attack, Gain
Rangemaster: Boost Level, EQ Switch (high / mid / low)
FEATURES
Hand wired eyelet board construction
Hand selected germanium transistors
Vintage F-Dyne / Cornell Dubilier caps and carbon composition resistors
9V battery or external power jack
Equipped with standard 9V DC jack. This product uses vintage PNP transistors which require an isolated supply.
Double Trouble. Dual MKI Tone Bender / Rangemaster Treble Booster in pastel green with neon orange knobs. The MKI features an added gain knob and remains true to the original with the gain set to the center position. The Rangemaster features an added EQ switch to select from three shades of treble boost.
TRANSISTORS
1960's Mullard GET 113
1974 Texas Instruments CV7354
1974 Texas Instruments CV7354
Soviet MP20
CONTROLS
MKI: Level, Attack, Gain
Rangemaster: Boost Level, EQ Switch (high / mid / low)
FEATURES
Hand wired eyelet board construction
Hand selected germanium transistors
Vintage F-Dyne / Cornell Dubilier caps and carbon composition resistors
9V battery or external power jack
Equipped with standard 9V DC jack. This product uses vintage PNP transistors which require an isolated supply.
Double Trouble. Dual MKI Tone Bender / Rangemaster Treble Booster in pastel green with neon orange knobs. The MKI features an added gain knob and remains true to the original with the gain set to the center position. The Rangemaster features an added EQ switch to select from three shades of treble boost.
TRANSISTORS
1960's Mullard GET 113
1974 Texas Instruments CV7354
1974 Texas Instruments CV7354
Soviet MP20
CONTROLS
MKI: Level, Attack, Gain
Rangemaster: Boost Level, EQ Switch (high / mid / low)
FEATURES
Hand wired eyelet board construction
Hand selected germanium transistors
Vintage F-Dyne / Cornell Dubilier caps and carbon composition resistors
9V battery or external power jack
Equipped with standard 9V DC jack. This product uses vintage PNP transistors which require an isolated supply.