Adam Clayton: Stage and Studio
Home | New Gear | news | U2 | news | ACCESSORIES | AMPLIFIERS | CABINETS | BASS GUITARS | EFFECTS | MIDI CONTROLLERS | Articles | Features | Gear Overview | by era | Icons Of Music Auction | 2008 | Related Links | Video Links





DB 750

The DB 750 bass head is a ground-breaking hybrid amplifier with a discrete MOSFET output section and an all-tube preamp.

A perfect combination of raw power and enormous headroom, the DB 750 sets the precedent for all hybrid heads. This head develops 750 watts of high fidelity tone in 4 ohms, 975 watts into 2 ohms.


Accepts 2, 4, and 8 ohm loads

Tuner Out with Mute

Self-Diagnostic Protection Circuit and Thermal Overload Protection Circuit (both with LED Indicators)

Short Circuit Protection

Power Output: 750 watts @ 4 ohms, 975 watts @ 2 ohms.

Preamp Section: Three 12AX7s and one 12AU7

Power Section: 12 complimentary lateral MOSFETs

Transformers: Custom Aguilar toroidal power transformer.

EQ Section: Tube-driven shelving type treble (+/ - 12dB @4kHz), mid (+/ - 12dB @ 400Hz), and bass (+/ - 12dB @ 40Hz) controls.

Deep Switch: Adds 3db of broad-band boost at 30 Hz.

Bright Switch: A passive RC pre-emphasis circuit at 5-7 kHz.

Effects Loop: Send pot is push/pull for line or instrument level; return pot is push/pull for parallel or series operation.

Inputs: One 1/4" input jack with an active/passive switch. One 1/4" power amp input.

Outputs: Two Neutrik Speakon speaker outputs, one Jenson XLR balanced output (-32dB pre- and post-EQ) with a ground lift switch, and one 1/4" jack preamp output.

Cooling: High quality whisper fan

Power Requirement: 100, 120, 230 VAC 50 - 60 Hz

Dimensions: 19" W x 14" D x 5.25" H

Rack Size: Three Spaces

Weight: 43 lbs

Footswitch: Optional mute activation footswitch available ($100.00)


"So there I was, fifteen years old, with a dark brown Ibanez-copy bass guitar and no amp. I had no idea what I was supposed to do with it. Absolutely none. Not a clue. It just sounded good to me." - Adam Clayton