Vintage Peterson Bottom Line Analog Pedal Bass Synthesizer

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via this auction

You can find demos of one here.

They also made the Foot Stomper Bass.

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Peterson BottomLine Bass Synth pedals

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video upload by Mark Dalzell


video upload by John’s Point of Blue

Note the demos above are not for the one in the listing below. I found them searching for demos after seeing the listing. This appears to be the first one to be featured on the site.

via this auction

"Ich biete ein Bass-Pedal-Synthesizer 'Bottomline', des amerikanischen Hersteller Petersen, von ca 1980. Es kommt in einem praktischen Hardcase. Die Kopfseite lässt sich durch zwei Scharniere öffnen und nach außen drehen oder abnehmen. Darunter befindet sich das Steuermodul. Pedale kann man rausziehen, zudem befinden sich zwei Aluprofile die unter die andere Stirnseite montiert werden können, um einen sicheren Stand zu gewährleisten. Dieses Gerät bietet eine Stimme mit drei verschiedenen Decay-Einstellungen (kurz, mittel, lang) und den Sustain-Schieberegler und Hard/Soft Attack. Serien Nummer: 20079-E. Technisch wie optisch ist das Gerät in einem super Zustand. Absolute Rarität"

Googlish:

"I am offering a bass pedal synthesizer 'Bottomline' from the American manufacturer Petersen, from around 1980. It comes in a practical hard case. The head end can be opened with two hinges and turned outwards or removed. Below is the control module. Pedals can be pulled out, and there are also two aluminum profiles that can be mounted under the other end to ensure a secure footing. This device provides a voice with three different decay settings (short, medium, long) and the sustain slider and hard/soft attack. Serial number: 20079-E. The device is technically and optically in excellent condition. Absolute rarity"

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1980s Peterson Bottom Line Pedal

flickr By Mark Dalzell
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"1984 Peterson Bottom Line bass synth pedal. Similar idea to something like a Moog Taurus, but with less control. There are 3 levels of decay, on/off for attack, and sliders for volume, sustain and voicing. On the back is a fine tune adjustment and there is an internal coarse adjustment. It all folds up into a slick little road case. I currently have 2 - this one has a lower serial number but the cables seem to be a newer style (black instead of gray) so they may have been replaced. The other one works fine but the tolex is in rough shape. According to Peterson's website, these were manufactured starting in the mid 70s. The 1984 date is an educated guess based on similar serial numbers produced that year."

Peterson Engineering Foot Stomper Bass

flickr by alexp202
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Update: if anyone knows more about this one, feel free to comment.

Update: Peter Forrest of VEMIA and the A-Z Books to the rescue:
"NY then IL firm who made at least three things like this, late 70s early 80s. Second was 24-note version; third ('Bottom Line') had controls you could mount at hand height (on the case-lid put upright with little stabilisers, or on a keyboard)."