overdrive with specific mid range control, shift control
allows to set the mids from 400-1kHz, Q allows static filter effect
6 different gainstructures for a wide varietyof distortion sounds

Redstuff Amplification

Review by Stompbox Steals

Review by The Gear Page

Review by Musiker-Board

Demo by Nico Schliemann

Demo by Haiko Heinz

Product Page

1987

The AMBASSAD∅R ONE is a bass preamp pedal powered by real tubes . It is engineered around a pentode tube to deliver a wide range from classic to modern tones . It can be used as a pedal in front of your amp - to feed an amp FX return or even a power amp.

Official Product Video

Ambassador One

Headphone & Bedroomamp
for pedalboards with additional audio
in & out for practicing and recording

Demo by Jay Guitar

Boarderline

EF 86 style pedal with 2 subminiature tubes and additional trebleboost circuit for british tone.
The pedal works internal with 250 Volts

Review by Charlie Hall & Friends

Pentode ' 86

Redstuff presents ● AMBASSAD∅R ● the basspreamp for peadlboards based on subminiature tubes. It is available as single or dual channel preamp. With its built in 2 watt headphone amplifier you are able to drive small cabinets for home use too. This preamp has maximum versality for a wide range of sounds from classic clean to overdriven monster bass.

Ambassador Two Channel