Kustom K Studio 4 Valve 1970s - Natural

This Kustom K Studio 4 Valve amplifier generally works but could stand some new speakers. The boost switch does not appear to be working. IT's a great project amplifier!!

AI Specs:

The Kustom Studio 4 Valve (sometimes referred to as the 4V) is a vintage 1970s hybrid guitar amplifier known for its heavy-duty construction and unique onboard effects.

• Power Output: 100 Watts RMS.
• Design: Hybrid design (Solid-state preamp with a Tube power amp).
• Cabinet: Solid oak cabinet, often equipped with casters.
• Poweramp Tubes: Typically 4 x 6L6WGC tubes. [1, 2, 3, 4, 5]

Speakers

• Configuration: 2 x 12" speakers.

Channels and Controls

• Channels: Two channels.
• Channel 1 Inputs: Low / High.
• Channel 1 Controls: Volume, Bass, Mid, Treble, Volume Submaster.
• Channel 2 Inputs: Low / High.
• Channel 2 Controls: Volume, Bass, Color- and Contour Voicing, Treble, Reverb.
• Master Controls: Flanger Rate, Recycle, Spectrum, and Master Volume.
• Effects: Built-in Accutronics reverb and a distinct flanger circuit.

Other Features

• Footswitch: Rare 4-button footswitch (controls Flanger, Reverb, Channel Select, and Boost).
• Build: High-quality components including Switchcraft jacks.

This series is distinct from the earlier "Tuck & Roll" Kustom amps and was designed to compete with high-end combos like the Fender Twin Reverb.