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

Demo by Jay Guitar

Official Product Video

Review by Charlie Hall & Friends

Review by Stompbox Steals

Product Page

Pentode ' 86

Booster with 3 different boosting
styles & saturation option.
2 switchable volumes

Demo by Jan Steiger

Revision 2

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

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

Review by The Gear Page

Review by Musiker-Board

Demo by Nico Schliemann

Demo by Haiko Heinz

1987

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

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Redstuff Amplification

Pentode ' 86

Redstuff Amplification

Revision 2

Redstuff Amplification

Ambassador Two Channel

Redstuff Amplification

1987

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