SG I / II / III

The **SG I, II and III** models were introduced in mid 1972 as replacements for the SG 100 / 200 / 250 models, respectively. Production largely ended in mid 1974, with small numbers being shipped until 1978. There was no replacement for this model.

## SG I

* **June 1972:** $229.50
* **October 1972:** $249.50
* **June 1973 - February 1974:** $259

**Body:**

* Beveled, solid Alder / Poplar body
	+ No cutaway bevels
* Nitrocellulose Lacquer finish

**Neck:**

* 3-pc laminated Maple
* Set-in construction
	+ Non-angled
	+ Joins body at 18th fret

* Indian Rosewood fretboard
	+ Dot inlays
	+ 12" radius
* Wide Open Book headstock
	+ Silk-screened Gibson logo
		- Squared font style
	+ "Made in U.S.A." stamp
	+ 17o pitch
* 22 frets
* 24 9/16" scale
* 1 9/16" nut width

**Electronics:**

* One "Tarback" Mini-Humbucker
	+ Ceramic magnet
	+ ~6.2k D.C. Resistance
	+ Black plastic cover
* 1 Vol, 1 Tone
	+ CTS 500k pots

**Hardware:**

* Chrome Hardware
* Kluson 3-on-a-plate tuning machines
	+ 12:1 ratio
	+ Metal Keystone buttons
* Les Paul style raised pickguard, single-ply
* Bell shaped truss rod cover, single-ply
* Witch Hat knobs
* Compensated wraparound bridge/tailpiece
	+ Compensated for wound G string
* Optional aluminum Bigsby vibrola
	+ "Gibson" engraved

**Finishes:**

* Cherry
* Walnut

## SG II

* **June 1972:** $259.50
* **October 1972:** $279.50
* **June 1973 - February 1974:** $290

**Body:**

* Beveled, solid Alder / Poplar body
	+ No cutaway bevels
* Nitrocellulose Lacquer finish

**Neck:**

* 3-pc laminated Maple
* Set-in construction
	+ Non-angled
	+ Joins body at 18th fret

* Indian Rosewood fretboard
	+ Dot inlays
	+ 12" radius
* Wide Open Book headstock
	+ Silk-screened Gibson logo
		- Squared font style
	+ "Made in U.S.A." stamp
	+ 17o pitch
* 22 frets
* 24 9/16" scale
* 1 9/16" nut width

**Electronics:**

* Two "Tarback" Mini-Humbuckers
	+ Ceramic magnets
	+ ~6.2k D.C. Resistance
	+ Black plastic covers
* 2 on / off slide switches
* 1 Vol, 1 Tone
	+ CTS 500k pots

**Hardware:**

* Chrome Hardware
* Kluson 3-on-a-plate tuning machines
	+ 12:1 ratio
	+ Metal Keystone buttons
* Les Paul style raised pickguard, single-ply
* Bell shaped truss rod cover, single-ply
* Witch Hat knobs
* "Goof Hiders" around bridge posts or pickups (Sporadic use)
* Compensated wraparound bridge/tailpiece
* Optional aluminum Bigsby vibrola
	+ "Gibson" engraved

**Finishes:**

* Cherry
* Walnut
* Natural

## SG III

Same features as SG II, but with Cherry Sunburst finish.

* **October 1972:** $299.50
* **June 1973 - February 1974:** $310

 SG-100 Junior (1972)

    As the SG-100 was being replaced by the SG I in mid 1972, some were made with the SG I's style of control plate.

* **Limited run:** 272 produced

**Body:**

* Beveled, solid Poplar body
	+ No cutaway bevels
* Nitrocellulose Lacquer finish

    **Neck:**

* 1-pc Maple
* Set-in construction
	+ No angle
	+ Titebond glue
* Indian Rosewood fretboard
	+ Acrylic dot inlays
	+ 12" radius
* Large Open Book headstock
	+ Silk-screened Gibson logo
	+ "Made in U.S.A." stamp
	+ Volute
	+ Shallow pitch
* 22 frets
* 24 9/16" scale
* 1 9/16" nut width

**Electronics:**

* One "Dog Ear" P-90
	+ Short AlNiCo V magnet
	+ ~8.5k Ohms D.C. resistance
	+ Chrome cover w/ "Gibson" engraving
* 1 Vol, 1 Tone
	+ CTS 500k pots
	+ Ceramic capacitor

**Hardware:**

* Chrome hardware
* Kluson Deluxe 3-on-a-plate tuning machines
	+ 12:1 ratio
	+ Chrome Keystone buttons
	+ Closed gears
* Single-ply Les Paul pickguard
* Bell shaped truss rod cover, single-ply
* Black Witch Hat knobs
* Chrome front-mounted control plate
* Black plastic front-mounted control plate (mid '72)

* Fully adjustable bridge
	+ "Gibson" engraved bridge cover

* Compensated wraparound bridge/tailpiece (mid '72)
	+ Compensated for wound G string

**Finishes:**

* Cherry
* Walnut