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Gibson EB3 circuit schematics (series 2)

Gibson bass guitars | EB-3 bass main page | technical information

The second series EB3 schematic applies to EB3s from late 1971 until 1979. In general series 2 circuitry can be identified by the black cylindrical choke - identical to the one employed on the Ripper, and new-style capacitors.

Pots used were initially two 500K volume pots (unknown taper) (part 70027) and two 250K audio taper tone pots part 70021. These were the pots listed in the 1971 and 1977 parts lists. The 1981 parts list changes these to 300K (linear/special audio taper) 70028 volume pots and 100K audio 70035 tone pots. In each case capacitor and choke values are unchanged.

These part lists (and instruments examined) clearly differ from the schematic shown (300K volume, 250K tone), and it is probable that all three circuit variants exist, and furthermore the precise potentiometer values are not terribly significant in the operation of this circuit, as long as they are matched.

EB3 wiring schematic (series 2)

Functionally series 1 and series 2 circuits are very similar - the main difference being the tone choke is activated in position 1 in series 1, and position 4 in series 2.

The image shown below shows a very early series 2 schematic, from an early 1972 EB3, with two 70027 and two 70021 pots

Early 70s EB3 circuit

See the series 1 EB3 schematic

Gibson EB3 bass for sale

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1972 Gibson EB-3 Mahogany Maple neck Bass Guitar first year 1972 has Gibson logo

1972 Gibson EB-3 Mahogany Maple neck Bass Guitar first year 1972 has Gibson logo

Kokomo, Indiana, 469**, UNITED STATES OF AMERICA

$2500

The 1972 Gibson EB-3 The first Model Mahogany Bass Guitar is a vintage electric bass guitar that exudes classic style and timeless appeal. With a short scale body made of mahogany with a maple neck and a right-handed design, this 4-string bass guitar features a rosewood fretboard for a smooth and rich tone. This model, part of the Gibson series, comes with a hard case for added protection and easy transport. Whether you're a seasoned musician or a beginner looking to add a vintage touch to your ... more
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Gibson EB-3 Cherry Mod 1969 Electric Bass Guitar Original Case Slotted Head  Art

Gibson EB-3 Cherry Mod 1969 Electric Bass Guitar Original Case Slotted Head Art

El Segundo, California, 902**, UNITED STATES OF AMERICA

$3500

Beautiful stunning EB three Gibson guitar Bass original case, one lady owner, left as found 1970s i??ll let the Pictures do the talking or the playing ! Enjoy laurence & sally of StorageWars and baggage battles currently www roundthebend tv
... more
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1969 Gibson EB3 Bass Guitar- 100% Original with Original Case

1969 Gibson EB3 Bass Guitar- 100% Original with Original Case

Glastonbury, Connecticut, 060**, UNITED STATES OF AMERICA

$3700

One owner, bought new in 1969 from Quigly Music in Kansas City with original Gibson Case. One small strap rub on back with minor finish scratches on back as seen in photos.... more
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GIBSON EB-3 BASS GUITAR 1968 (P03058845)

GIBSON EB-3 BASS GUITAR 1968 (P03058845)

Spokane, Washington, 992**, UNITED STATES OF AMERICA

$1600

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1969 Gibson EB-3 Cherry

1969 Gibson EB-3 Cherry

Antioch, Tennessee, 370**, UNITED STATES OF AMERICA

$3199

Very good condition 1969 Gibson EB-3 bass in cherry. No breaks. All original outside of the changed tuners, replaced tone pot (original included), and a recent refret. This example has some honest play wear throughout from touring, but is lucky to come out with no breaks to report. Bridge mute assembly functions. Truss rod works well, neck is straight, and it has been recently restrung. 8 3 pounds. Gibson logo is a bit faded, but this is purely cosmetic of course. This example sounds very boomy,... more
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Vintage Gibson EB-3 bass guitar with slotted headstock 1969-1972, walnut

Vintage Gibson EB-3 bass guitar with slotted headstock 1969-1972, walnut

Danville, Pennsylvania, 178**, UNITED STATES OF AMERICA

$1500

This vintage Gibson EB-3 (1969-1972) was used on stage in a touring band as a primary instrument between 1974 and 1982. There have been some customizations, pictured. Slotted headstock, mahogany body with walnut finish. Some costmetic dings consistent with age and use; the headstock crack was repaired professionally years ago. Overall in good condition, and was last used on a recording in 2023. Comes with original case, stencilled with the name of the band.... more
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1961 Gibson EB-3 the cleanest original extent w / hang tags 1 of a kind & Minty !

1961 Gibson EB-3 the cleanest original extent w / hang tags 1 of a kind & Minty !

Fort Lauderdale, Florida, 333**, UNITED STATES OF AMERICA

$11495

This is a beautiful 1st year produced example of the exactly ??Cream Era?? Gibson EB-3 bass, pretty much identical the primary one used extensively by Jack Bruce from 1966 into the mid-70s. These expensive double pickup EB basses were made in fairly small quantities from 1961 into the mid-1960s but most examples that surface now are the later ??60s and early ??70s models, when they were produced in much greater numbers ?? at least partially due to the popularity of Cream ! Those are fine ... more
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1962 Gibson EB-3 4 String Bass Guitar All Original With Gibson Case

1962 Gibson EB-3 4 String Bass Guitar All Original With Gibson Case

Swindon, SN5***, UNITED KINGDOM

£4687

1962 Gibson EB-3 bass guitar
All original pick ups switch gear etc. A fantastic piece of guitar history and a great addition for any serious collector or just somebody who loves that classic sound.
Comes with vintage Gibson hard case although I do not think it is the original.
Age related marks but nothing serious considering it is 62 years old!... more
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1971 GIBSON EB 3 SLOTTED HEADSTOCK BASS CASE - made in USA

1971 GIBSON EB 3 SLOTTED HEADSTOCK BASS CASE - made in USA

COLOGNE, GERMANY

€444

1971 GIBSON EB 3 SLOTTED HEADSTOCK BASS CASE - made in USA :
* CASE ONLY !
* strap that holds case open=GONE
* bottom and top are loose =need reglueing
* tolex has rips
* all latches are working fine
* check all pics
Over 1000 more
GUITARS-BASSES-PARTS in our OTHER
AUCTIONS !!!!
TAKE A LOOK !!!... more
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1971 GIBSON EB 3 SLOTTED HEADSTOCK BASS CASE - made in USA

1971 GIBSON EB 3 SLOTTED HEADSTOCK BASS CASE - made in USA

COLOGNE, GERMANY

€439

1971 GIBSON EB 3 SLOTTED HEADSTOCK BASS CASE - made in USA :
* CASE ONLY !
* interior has stains
* tolex has rips
* all latches are working fine
* worn but solid
* check all pics
PLENTY of PARTS for SALE
ATTENTION! OVER 1000 more
GUITARS-BASSES-AMPS-PARTS
in our OTHER AUCTIONS !!!
CHECK OUR SHOP OUT -------------->>>>>-------------->>>>>
... more
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Gibson Eb-3 Bassgitarre

Gibson Eb-3 Bassgitarre

Meisterschwanden, 5***, SWITZERLAND

CHF2250

Gibson EB-3 Bassgitarre mit original Koffer, Jack Bruce spielte so ein Instrument mit Ginger Baker (Drums) und Eric Clapton (Cream)... more
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Gibson EB 3 CASE 1971 - passend für NUR GESCHLITZTE SPINDELSTOCK-Version

Gibson EB 3 CASE 1971 - passend für NUR GESCHLITZTE SPINDELSTOCK-Version

COLOGNE, GERMANY

£399

1971 GIBSON EB 3 SLOTTED HEADSTOCK BASS CASE - made in USA :
* CASE ONLY !
* strap that holds case open=GONE
* bottom and top are loose =need reglueing
* tolex has rips
* all latches are working fine
* check all pics
* SOLD AS IS - NO RETURNS... more
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Gibson 1975 EB3 bass guitar

Gibson 1975 EB3 bass guitar

Bath, BA2***, UNITED KINGDOM

£1527

This is a great bass. It sounds exactly as you would expect it to. Very powerful pickups. Big fat rock sound
Serial number 108356
Bridge has been replaced but I have the original and it will be included
Comes with an Epiphone hard case
You collect (or arrange courier)
Near Bath, Somerset
Please message me if you have questions
I'm only selling because I bought it to scratch an itch (I wanted to be Geezer Butler) and I'm now selling it for what I paid. (I would have put ... more
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1965 Gibson EB 3 BASS PICKUP RING USA

1965 Gibson EB 3 BASS PICKUP RING USA

COLOGNE, GERMANY

£129

bridge pickup ring ONLY
... more
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1965 Gibson EB-3 Bass Guitar

1965 Gibson EB-3 Bass Guitar

Farnham, GU10***, UNITED KINGDOM

£3062

Available now is this 1965 Gibson EB3. One of only 339 shipped in that year, and one of even fewer that made it this side of the pond
The EB-3, widely known as the classic Cream bass, was used and made most famous by Jack Bruce from blues-rock pioneers 'Cream' around 1967 onwards. He had a few of them over that time period, but his main and most photographed instrument was a matching '65. The spacing between the control knobs was changed in 1965 to match the guitar line, so only a percentage... more
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1970 Gibson EB 3 BASS NUT USA

1970 Gibson EB 3 BASS NUT USA

COLOGNE, GERMANY

£99

NARROW 42 mm version
... more
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Gibson EB-3 Bass Guitar 1967

Gibson EB-3 Bass Guitar 1967

Horncastle, LN9***, UNITED KINGDOM

£3010

The Gibson EB-3 is a bass guitar introduced in 1961 and discontinued in 1979. It was produced at Gibson's plant in Kalamazoo, MI It features a slim SG-style body, a short 30 5" scale, and two pick up's (a large humbucking pickup in the neck position and a mini humbucker pickup in the bridge position). The electronics include a four-way rotary pickup selector switch (for Series 1 basses: neck pickup with midrange notch, bridge, bridge and neck with low end rolled off neck pickup, neck pickup with... more
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gibson eb-3 basso elettrico vintage 1969

gibson eb-3 basso elettrico vintage 1969

Bastonaca, 97***, ITALY

€1500

il basso e perfettamente funzionante un suono pazzesco... more
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1970 Gibson EB 3 BASS NUT USA

1970 Gibson EB 3 BASS NUT USA

COLOGNE, GERMANY

£99

NARROW 42 mm version
... more
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1971 GIBSON EB 3 SLOTTED HEADSTOCK BASS CASE - Made in USA

1971 GIBSON EB 3 SLOTTED HEADSTOCK BASS CASE - Made in USA

COLOGNE, GERMANY

£385

1971 GIBSON EB 3 SLOTTED HEADSTOCK BASS CASE - made in USA :
* CASE ONLY !
* interior has stains
* tolex has rips
* all latches are working fine
* worn but solid
* check all pics
... more
eBay logo