Sandberg California II TM 4-S Natural Fretless Bass Guitar

Sandberg California II TM 4-S Natural Fretless Bass Guitar


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Sandberg California TM4, Fretless Electric Bass, High Gloss Natural Finish, Swamp Ash Body, Ebony Fingerboard

Ever since the company's conception in 1986, Sandberg has been a by-word for quality and class. Now, more than thirty years later, that continues to be the case with them going from strength to strength in the construction of high-quality, hand-crafted, customisable guitars and bass guitars. Whether it's their most affordable model, or a 100% custom build, you just know that the instrument will be worth every penny you pay for it and more.

The same, but different...

The offset waisted body of the California TM4 is instantly recognisable to bass players the world over, being an homage to arguably the most popular bass guitar in modern history: the Jazz Bass. However, whilst being shaped the same as its famous counterpart, the California TM4 differs in many respects.

For a start there's the pickups, where we have here a Single Coil & Humbucker combination, instead of the standard two single coils. Both pickups also noticeably have much wider poles than a standard pickup, meaning that all of the string movements are captured and no vibrations or frequencies are lost.

Did I mention that the humbucker was also on a split coil circuit, meaning it can be utilised as a second single coil pickup at the flick of a switch?

You also have the specially designed Sandberg hardware to contend with, an incredible 2-band preamp system, am alder body with a high gloss natural finish... I could go on forever, but first let's have a look at those pickups.

The Pickups

Here's a little more information on those tasty Delano pickups for you:

  • The T series neck single coil is a classic reconstruction of the vintage Jazz Bass pickups from the 1960's and 1970's, and grants you a nice blend of woody low-mid growls and warm articulate midrange as well as that trademark funky "twang" that the pickups became famous for.
  • Then there's the awesome M series bridge humbucker. This humbucker is based heavily around the popular Stingray style humbucker pickup shape, with a very wide string sensing area to pick up as much tonal colour as possible. This gives you fat and grinding tone when in humbucker mode, but at the flick of a switch can be converted into a bright and clear sounding single-coil instead. With a warm bass and low-mid response, and extra voice on the mids and bright percussive top end, this pickup is as versatile as you could want or need it to be.

Sandberg 2-band Preamp

The preamp circuitry on the California TM4 is simply perfect for the modern bassplayer. What initially looks like a standard setup has a clever little surprise in store, in the shape of a push/pull Volume control knob that allows you to set the preamp to Active or Passive.

Next to the Volume control you have the Balance control, which acts as a nice pickup selector "Blend" option, where you can determine the level of each pickup in the mix (centre position has both pickups running at 100%, or turn the control in the direction of the pickup you want to be at the forefront to make it so). The Treble control allows you to either boost the Treble or cut the tone, which works even in passive mode! And finally there's the Bass control, which works in the same way as the Treble control (without the passive cut) but for your low-end frequencies. Exciting stuff!

No Frets? No Sweat!

Whilst fretted instruments tend to be more popular, the absence of frets on this bass adds something else to its already impressive arsenal. The distinctive sound of a fretless bass is more akin to a double bass than a standard electric, with an almost muted sound as your finger is pressing the string directly to fretboard, but allows for much more expressive approaches with sliding, vibrato, and even playing microtones.

Made to be Played

Sandberg bass guitars are renowned the world over for being high-quality and extremely versatile, and the California TM4 is just one of many prime examples that this reputation is well deserved. With the ergonomic and solidly constructed chassis, this guitar is most certainly one that you could grace a stage with. The curvature of this relatively lightweight body rests comfortably against you as you play, making even the longest of shows and studio sessions pass by that bit quicker. Add that to the perfect sounding tonal spectrum supplied by the solid wood body and awesome electronics system, and you will fast be running out of reasons NOT to buy it.

To discuss our range of home delivery options on this, or any of our Sandberg products, contact our sales team directly.

Technical Specs

  • Neck: 6 x Bolted / Canadian Hardrock Maple
  • Fretboard: Ebony
  • Number of Frets: Fretless
  • Scale: 34"
  • Body: Alder
  • Finish: High Gloss, 3 Tone Sunburst
  • Hardware: Sandberg
  • Pickups: 1 x Delano T-Style Single Coil, 1 x Delano M-Style Humbucker (Coil Split option)
  • Preamp: Sandberg 2-Band EQ, Active/Passive, Passive Tone Control
More Information
Manufacturer Sandberg
SKU 175643
Shipping Weight (kg) 8.000000
Colour natural
Warranty 2 Years
Series California T Series
Scale Length 34"
Neck Wood Canadian Hardrock Maple Neck
Pickup Config 1 x humbucker 1 x single coil
Number Of Strings 4 string
Body Material swamp ash
Body Size full size
Right / Left-Handed right handed
Fingerboard ebony fingerboard
Guitar Style jazz style


We have a wide range of Delivery Options available, depending on the value of your parcel and budget. Select from our 2-3 Day Saver Service or our Next Working Day options at the Checkout.
This will include a text or email on the day of delivery giving you an exact hour window of when your gear will be with you, and the drivers name - just so you know when to turn the volume down!

  • Free Delivery Available on Selected Products
  • Weekend UK Mainland Delivery (Saturday-Sunday): £19.99
  • Small Items (Under 750g) Small items will be delivered by Royal Mail starting from 99p
  • Heavy Items (Over 30kg): Pallet Service Doorstep Delivery £65

For heavy items, courier details, out of stock products, out of area postcodes or international deliveries see our full Delivery info here.


Rather not wait in for the delivery? Don’t worry, we’ve got you…In Stock items can be ordered and paid for in-advance Online via our Click & Collect service. As long as if it's in stock at your chosen branch, you can collect the item within the hour.

Click here for more about our local Click & Collect Service.


If you and your item aren’t getting along, you have 14 days from when you receive the goods to contact our PMT experts either by phone or email to return your item.

*Please note, we cannot accept returns of:

  • Special/Custom Orders - Any order that is custom or has been personalised.
  • Products with Hygiene Seals - Microphones, any in-ear earphones, monitors, orchestral instruments with mouthpieces and any other items that touch your mouth, nose or inner ear if you have broken the hygienic seal on the packaging.
  • Software & Media - Any software or media that has been opened or registered via physical or digital means.

Click here for more information on Returns at PMT.

Online Orders

If you and your new item aren’t getting along, you have 14 days from when you receive the goods to contact our PMT Experts either by phone or email to return your item or organise an exchange for something more suitable.

Store Orders

If you've changed your mind about something you bought in-store, bring it back within 14 days of purchase and we'll be happy to exchange it for another product, a gift card or store credit.