Billy Sheehan Ultimate Drive

Billy Sheehan Ultimate Signature Drive angel

Billy Sheehan Ultimate Drive

EBS Billy Sheehan Ultimate Signature Drive. If you’ve ever wanted to blend clean and distorted bass tones without hauling two rigs, this is your answer.

“This pedal is a distillate of several important principles in the signal chain for bass. Compression, distortion, tone-shaping and blending all together.” – Billy Sheehan

Parallel Signal Paths
The pedal splits your signal into clean and distorted paths—just like running two rigs. Adjust the blend with the Clean and Drive Level controls. A built-in compressor (with internal threshold control) keeps your tone tight and punchy.

Low-End Punch & Gain Boost
Use the Phase Inverter switch to recover lost low-end due to phase cancellation. Engage the Boost footswitch for extra gain when you need to cut through.

Expanded Tone Control
A Hi/Lo Frequency Filter shifts the Tone control’s entire spectrum, unlocking distortion tones unavailable in earlier versions.

Dual FX Loops for More Flexibility
Separate effect loops for Clean and Drive paths let you process each independently. Got a bass with dual outputs? Use the Clean Loop jack to run lows clean while shaping mids/highs through the main input.

All Deluxe Features—Plus More
Includes all features from the Deluxe model (like easy drive chip swapping), with added tone-shaping power via the Hi/Lo filter.

Features

Frequency Range Switch

Hi or Lo Frequency range Switch, NEW!

Boost Drive Footswitch

Boost Drive Footswitch **

Phase Inverter Switch

Phase Inverter Switch **

Controls

Drive, Tone, Level and Clean controls *

Compressor Modes

Three Compressor Modes – High, Mid, Off *

Loops

Clean Loop and Drive Loop (use an insert cable, such as the EBS ICY-30 to separate send and return) *

Footswitch Type

Magnet Type Footswitches, NEW!

Drive Circuit

Replaceable Drive Circuit (8-pin Dual Inline Op-Amp Controlling Drive Circuit) **

Compressor Adjustment

Fine tuning trimmers to adjust Threshold level of the compressor (THR.) and the level of Compression when the mode switch is set to MID (COMP) *

Boost Switch Level

Trim pot to set the BOOST switch level inside **

Power Options

9V DC battery or EBS AD9 Pro Power Supply (not included)

Notes

* Features shared with both the ‘purple’ and ‘orange’ version.
** Features shared with the ‘orange’ version.

Specs

Nominal Input Level

-8 dBv

Input Impedance

700 kohms

Gain Range (Drive)

20 – 50 dB

Boost

Adjustable +3 to +10 dB

Tone Filter Range

175 – 8000 Hz (two ranges), Q 0.7 – 0.9

Loops Output Impedance

2 kohms

Loops Input Impedance

47 kohms

Mix Level

Drive +3 dB max, Clean +6 dB max

Compressor Ratio

5:1 (max)

Threshold

-25 to +6 dB

Attack Time (80%)

< 7 ms

Release Time (80%)

75 ms (typical)

Makeup Gain

0, +3, +6 dB

Output Impedance

< 50 ohms

Dimensions (W x H x D)

3.3″ x 4.5″ x 1.9″ (83 x 115 x 48 mm)

Weight

420 g (0.93 lb.)

Type

Analog Effect, Relay Switching

Power Requirements

9, 12 or 18 V DC, 60 mA max (shuts off below 6 V)

Manual

Showcase

Billy Sheehan Ultimate Drive Artists

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