Vintage Stompbox Corner ( ... - 1975) - Page 27

Vintage Stompbox Corner ( ... - 1975)

Discussion regarding early stompbox technology: 1960-1975 Please keep discussion focused and contribute what info you have...

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Stompbox Schematics Index

Last post by modman « 06 Jan 2022, 23:15
Replies: 12
by modman » 29 Dec 2007, 15:57

Rating: 1.7%

A/DA
A/DA - Ampulator
A/DA - Final Phase
A/DA - Flanger see: - but on MN3007 Retrofit boards check this warning
A/DA - Harmony Synthesizer partial schematics

Ace Tone
Ace Tone - FM-1 Fuzz Master 1966-1968
Ace Tone FM-2 - thread

Amplifier Coorporation of America
Fuzz King schematic

Anderton, Craig
Craig Anderton's circuits

Apollo
Apollo Treble and Bass Booster schematic

Aria
Aria - AUM-1 Ultra Metal schematic by Bernarduur

Armstrong, Dan
Dan Armstrong Purple Peaker...

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06 Jan 2022, 23:15

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Shin-ei ER-23 Reverb schematic

Last post by Dirk_Hendrik « 14 Jul 2007, 12:08
Replies: 2
by Dirk_Hendrik » 14 Jul 2007, 09:02

Have one here for service. Therefore here's the schemmo:

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Last post Dirk_Hendrik
14 Jul 2007, 12:08
Electrolabs - Phaser

Last post by analogguru « 11 Jul 2007, 21:11

by analogguru » 11 Jul 2007, 21:11

Ever wondered what is inside the Electrolabs module series ?
Here we go with the:

Electrolabs Phaser

Electrolabs Phaser guts

Electrolabs Phaser schematic from jaytee

Hmm.... looks a little bit Colorsound-ish ....

WARNING:
The above schematic contains errors.
As you can see in the left upper corner of the gut shot there is a Siemens 1µF film capacitor connected between pin 8 and 9 of the Lm 348 used for the LFO.

Also the input stage looks a little bit suspicious. I assume that R1...

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Last post analogguru
11 Jul 2007, 21:11
Tycobrahe - Analog Delay Line

Last post by analogguru « 10 Jul 2007, 18:44

by analogguru » 10 Jul 2007, 18:44

Did you know that Tycobrahe made an Analog Delay ?:

analogguru

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Last post analogguru
10 Jul 2007, 18:44
Leslie service manuals

Last post by bajaman « 29 Jun 2007, 01:34
Replies: 3
by analogguru » 28 Jun 2007, 16:55

Leslie service manuals can be found here:

and the preamp manuals (how to hook it up to a guitar) can be found here:

enjoy,
analogguru

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Last post bajaman
29 Jun 2007, 01:34
Whirlwind - Mic-Eliminator <patent> [schematic]

Last post by analogguru « 26 Jun 2007, 18:04

by analogguru » 26 Jun 2007, 18:04

Here is the:
Whirlwind Mic-Eliminator patent (with schematic and component values)

analogguru

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Last post analogguru
26 Jun 2007, 18:04
Musitronics - Mutron patent

Last post by analogguru « 26 Jun 2007, 16:21

by analogguru » 26 Jun 2007, 16:21

Here is the
Mutron patent

analogguru

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Last post analogguru
26 Jun 2007, 16:21
Vox - Wah-Wah patent

Last post by analogguru « 26 Jun 2007, 16:17

by analogguru » 26 Jun 2007, 16:17

Here is another early stompbox patent, the

Vox Wah-Wah patent

Here is the japanese answer:
Japanese Wah-Wah patent

A patent expires after 20 years.

analogguru

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View the latest post Vox - Wah-Wah patent
Last post analogguru
26 Jun 2007, 16:17

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