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Seymour Duncan STC-3M4 3-Band Preamp with 4 Knobs

Control Configuration

Volume/Slap Switch Push/Pull
Treble
Mid
Bass

Tone Circuit designed for Music Man Stingray bass comes with a prewired 4-knob control harness.

The STC-3M4 is the 4-knob version of our Music Man Tone Circuit, and has a bass control, a treble control, a midrange control, and a master volume with a pushpull for our proprietary Slap Switch. The treble control can produce a wide ranging, extremely usable response that is brilliant, yet smooth without being brittle. The lows are deep, clear, and tight.

The mids range from ultra-smooth to punchy and all points in between. The Slap Switch is a pushpull located on the volume control. Pulling up on the volume knob will engage the special EQ contour voiced specifically for slap playing. The two small trim pots on the circuit board can be tweaked to preset the slap contour EQ just the way you want.Combine with our Music Man replacement pickups for a complete setup.

The STC-3M4 is specifically designed for Stingray basses, but will also work in any bass that is equipped with one passive pickup and has space for 4 control knobs (volumeslap switch, midrange, concentric basstreble control) and a single 9v battery in the control cavity.Two 9v batteries can be wired together in series for added headroom.

For Music Man® StingRay® basses and other basses with a single passive pickup. Will not work with 3-coil pickup.

Package Includes

Includes all necessary mounting hardware
High-quality potentiometers on pre-wired harness
Battery Clip
Stereo Jack
Black Anodized, knurled, dome-style knobs

Specifications
Power Requirements	9Vdc (up to 36V may be used for increased headroom)
Current consumption	1.55mA @ 9V (current consumption is higher at higher voltages)
Maximum signal swing	2.7V @ onset of clip
Gain	Unity *
Thd	<0.01% *
Noise	< -95dBv *
Tone control center frequency / Q / range +/-
Bass	20 Hz / .67 / 20dB
Midrange	578 Hz / .54 / 9dB
Treble	6.6 KHz corner / shelving / 20dB
Slap contour center frequency / Q / range
Bass Boost	83 Hz / 1.79 / +3 to +9dB
Midrange Cut	633 Hz / 1.12 / -3 to -11dB

* Noise & thd measurement taken with tone controls set to flat position

Wiring Diagram

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