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Parmee Acoustics and Collins Electromagnetics (PA:CE) Automatic Double Tracker

Parmee Acoustics and Collins Electromagnetics (PA:CE) Automatic Double Tracker main image

Parmee Acoustics and Collins Electromagnetics (PA:CE) Automatic Double Tracker

Parmee Acoustics and Collins Electromagnetics (PA:CE) Automatic Double Tracker

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Find out who is using PA:CE Automatic Double Tracker

Geordie Walker

James Edward Bagshaw

4 wishlisted

4 saved

Page last updated Aug 10, 2025

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Description

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These were made in the 70s and 80s by a company called PA:CE (Parmee Acoustics Collins Electromagnetics) aka Bell Electrolabs. PA:CE bought Bell Electrolabs and began to manufacture studio equipment and moved away from pedals.

The original Bell ADT pedal used 4 delay lines and was a unique circuit designed by Tony Koorlander, PA:CE changed the circuit in an effort to cheapen the manufacturing of them by cutting the circuit down to a single delay based around the MN3005 BBD chip.

The updated circuit is similar to a flanger with a wide delay range, able to go from very short to slap back delay. The controls are Gain (preamp gain/volume, can be used for overdrive) Mix (full dry or full wet mix) Mod (speed of the modulation) Dev (Deviation: modulation depth) and Delay (delay time).

These are incredibly rare today and it’s unknown how many were made and for how long. These can often be seen branded as either PA:CE or Bell Electrolabs, but both are the exact same circuits.

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Artist usage

See how James Edward Bagshaw uses Parmee Acoustics and Collins Electromagnetics (PA:CE) Automatic Double Tracker

James Edward Bagshaw

Singer, Guitarist

Temples

Verified via Photo

On this photo James show his Automatic Double Tracker.

See how Geordie Walker uses Parmee Acoustics and Collins Electromagnetics (PA:CE) Automatic Double Tracker

Geordie Walker

Guitarist

Killing Joke

Verified via YouTube

In this concert of 2011 Geordie is using two PA:CE (also released under Bell Electrolabs) automatic double trackers. The units can be clearly seen as of 2:43.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Alternative Metal

Alternative Rock

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