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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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1978 Gibson EB-3 Bass - Walnut With Original Case

1978 Gibson EB-3 Bass - Walnut With Original Case

Merrimac, Massachusetts, 018**, UNITED STATES OF AMERICA

$2200

Fantastic condition 1978 Gibson EB-3 in walnut finish. Besides two replaced rear cavity screws, the rest of the bass is in original conition, including the hard shell case. It is nicely set up and plays and sounds great. There are very few signs of play wear, dings, or scratches. In short, it's a rock and roll machine
The EB-3 features an SG shaped mahogany body, a 3 piece maple neck with volute, rosewood fingerboard, short 30 5" scale, and two pickups which include a large humbucker in the... view on ebay
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Gibson EB-3 Mahogany 1970-75 Electric Bass Guitar Orig. Case Slotted Head 961211

Gibson EB-3 Mahogany 1970-75 Electric Bass Guitar Orig. Case Slotted Head 961211

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

$2500




Available for your consideration is this stunning Gibson EB-3 bass guitar. It has a scale length of 31 inches, and a serial number of 961211.
To the best of our knowledge, this is most likely a 72 to 75 production of the EB-3 in mahogany
It is missing the original pickup cover.

You can read more about EB-3 production differences and models on FlyGuitars website.

This Beautiful and stunning EB-3 Gibson Bass guitar is in the original case and ... view on ebay
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1969 Gibson EB-3 Bass Guitar short  scale - honest  players  bass

1969 Gibson EB-3 Bass Guitar short scale - honest players bass

Clearwater, Florida, 337**, UNITED STATES OF AMERICA

$1400

This is a genuine late-1960s Gibson EB-3 that has clearly spent its life being played rather than stored. It is a player-grade, vintage instrument with honest wear, a professionally repaired head-stock, and a replacement neck pickup. It has a straight neck, excellent frets, quiet controls, plays well, and includes a new Artec mudbucker for anyone wishing to return it to a more traditional EB-3 configuration
Dating: I researched the dating using multiple vintage Gibson references and the ... view on ebay
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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, this bass was used in a band call Featherstitch 1970-1974 they had a couple of albums from OHIO. This Bass needs a new home. The case is old and fraying... view on ebay
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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.... view on ebay
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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
... view on ebay
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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 !!!... view on ebay
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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!... view on ebay
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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
... view on ebay
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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... view on ebay
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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... view on ebay
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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 -------------->>>>>-------------->>>>>
... view on ebay
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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
... view on ebay
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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... view on ebay
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1962 Gibson EB-3 In Cherry

1962 Gibson EB-3 In Cherry

Pershore, WR10***, UNITED KINGDOM

£3399

Mahogany BodyMahogany NeckRosewood Fretboard20 Frets - Refretted30 5" Scale Length12" RadiusOriginal Gibson 'Mudbucker' Neck PickupOriginal Gibson Mini Humbucker Bridge Pickup2x Volume Controls2x Tone Controls4-Position Rotary Varitone Selector With Choke CircuitTwo Point Bridge With String MuteSerial Number: 49073Weight: 7lbs 14 3ozCondition Report:
This bass is presented in very good condition for it's age with some playwear that you'd expect. There is some fading on the neck as well as ... view on ebay
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Epiphone Gibson SG EB3 Bass 2 pickup - Cherry

Epiphone Gibson SG EB3 Bass 2 pickup - Cherry

Northcote, Victoria, 3***, AUSTRALIA

AU $716

A classic - looks good, sounds good. This bass has a few scratches but otherwise is totally solid. Has been treated well. Plays well.
Pick up Northcote, Melbourne, includes original box.... view on ebay
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