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Manuals

Schematics

Grampian 636 Instructions & Schematics

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Below you will find links to various pieces of original Grampian documentation, including tech specs, schematics and articles, which you can view and download from the links below.

Note that these were given to us to distribute and are free to use, however if you use, re-post or share them then please add a credit and a back link.

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This page is part of our collection of resources on the legendary Grampian Type 636. Read more about this remarkable unit and see all the information we have gathered over the years here. We’re fanatical about these units and sound they can produce if restored to full functioning – if you are looking for one of these units, or have one to sell in any condition, please get in touch.

More Grampian Goodness

from the blog and elsewhere deep in the site:

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Grampian Reverberation Unit Type 636

A growing collection of information relating to the legendary Grampian 636: history; schematics; manuals; sound and video clips.

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Gear History

Grampian Type 636 – Believe the hype…

Grampians: some history and technical information about these superb, legendary machines. If you are looking to buy a Grampian or have one to sell in any...

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Which Vintage Spring Reverb is Best?

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Grampian Ambiophonic Unit – Type 666

Information about this rare piece of 60s gear: a version of the Type 636 designed to use the reverb "to alter apparent room acoustics" in auditoria.

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Grampian Direct Signal Path (Wet-Only) Modification

Schematic, plus instructions reproduced into a searchable format from the original Grampian Type 636 Operating Instructions.

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Grampian Type 636 Operating Instructions

Grampian Type 636 Operating Instructions & Technical Specification reproduced into a searchable format.

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Grampian User Tips

Some useful info for using a Grampian 363 in a modern studio set up. By no means a full user guide, but this should help you...

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Lords Of The Springs – Premier Guitar Article

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