The B-series Guild bass guitars were the follow on/replacement for the JS-1 and JS-2 basses which Guild had been producing since 1970. The Guild B-series (the only basses Guild were making at the time) had a number of changes, both stylistically (moving away from the derivative instruments of the previous 5 years), and with respect to hardware and fittings. Its a great looking bass, and visually very distinct!
In fact the B-301 was the first of a line of new guitars, all having the same body style, but with a range of different pickups woods.


Guitars could be made more cheaply if the pickups and controls were mounted onto the scratchplate; the body could be routed on one side only, and assembly and testing performed more easily. Many manufacturers started making guitars this way, and Guild was no exception. Gone were the body mounted circuitry and controls of the JS-series. But the B-301 was fitted with a vastly superior bridge to that of the JS bass- although John Entwistle wasn't a fan - see the B-301 review from British music magazine Beat Instrumental
The Guild B-301, and its two-pickup sibling, the B-302 bass, were companion models to the S-300 guitar (and S-60, S-70). The B-301 first appeared on Guild price lists in late 1976 (mahogany version), the B-301A was first listed towards the end of 1977.
The 1978 Guild electrics catalogue dedicates one internal page and the back cover to the B-301 and B-302
The B-301 was the first in Guild's new generation of solid body guitars and basses - so successful, we followed it with our double pick-up B-302.
Both have the long 34" (86.4cm) scale, wide frets and curved fingerboard that rock bassists are using. Plus a new bass pick-up. And a new solid brass bridge/tailpiece that gives you perfect intonation.
The older JS basses had been using humbuckers, and the old Hagstrom bridges. The new DP-8 pickups were single coil units in black covers with two pole pieces per string
By the early eighties the range was replaced by less adventurous SB-200 series and the exaggerated X-700 series
Electric bass advertisements originally published from 1977 onwards. Click on the images for larger copies. Check out other vintage Guild advertisements

Guild B-301 - Here Now! Guild B-301 (1977)
Early advert for Guild's redesigned solid bodies of the mid/late Seventies. This advertisement was placed as early as June 1977, and as late as May 1978, in both British and American music magazines.
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Guild B-301 - New Generation of Solid Bodies By Guild (1977)
United Kingdom Guild advertisement for two new solid body models, the S-300 guitar and single pickup B-301 bass.
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Guild B-301 - The New Guilds Are Here (1977)
Late 1977 UK advertisement for the new Guild S-300 guitar and B-301 / B-302 basses. The S-300 (in white) is advertised as available with Guild (as shown) or DiMarzio pickups. The bass pictured is t...
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Guild B-301 - Let out your bass instincts (1978)
String advert for Guild roundwound, flatwound and groundwound strings. Features John McVie of Fleetwood Mac with a Guild B-301A bass
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$550
$1249
$1795
$2000
$2350
$2451
$2490
$3750
£299
€750