Yamaha SLB-300 Silent Upright Bass

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SLB-300 Silent Upright Bass
SLB-300 Silent Upright Bass SLB-300 Silent Upright Bass SLB-300 Silent Upright Bass SLB-300 Silent Upright Bass SLB-300 Silent Upright Bass SLB-300 Silent Upright Bass SLB-300 Silent Upright Bass SLB-300 Silent Upright Bass SLB-300 Silent Upright Bass SLB-300 Silent Upright Bass SLB-300 Silent Upright Bass SLB-300 Silent Upright Bass SLB-300 Silent Upright Bass


Since the release of our first Silent Bass, the SLB-100, in 2000, we've continued to sculpt our design and technology around the bassists' requirements - and with the SLB-300, we've acheived a leap forward in realism.

The SLB300 is a brand-new type of electric upright bass which features our pioneering SRT technology. SRT models the way an acoustic double bass would sound professionally mic'd up in a recording studio - complete with the added resonance of an acoustic instrument. The result is a tone which sounds incredible - yet comes from the SLB300's compact and semi-solid body structure which is designed for convenience.

The SLB-300 delivers a natural acoustic bass tone, excellent playability and unparalleled Silent Bass functionality - making it an ideal bass for more players than ever before.

  • Body designed for a natural, pure acoustic tone
  • 'Studio Resonance Technology' (SRT) restores natural body resonance to the overall tone
  • Three microphone emulation types
  • EQ control
  • Blend control to find the perfect tone


Bring the dream within easier reach by spreading the cost with V12 Retail Finance. With a range of different finance schemes available, use the Finance Calculator below to choose a deposit amount and find out possible monthly payments.

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Finance agreements are available to UK residents aged 18 or over, subject to status.

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Purchase Price:£2,026.00 Deposit:£239.00
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Purchase Price:£2,289.00 Deposit:£260.00
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Yamaha Music Europe GmbH (UK) trading as Yamaha Music London is registered in England and Wales BRO14498 at Sherbourne Drive, Tilbrook MK7 8BL. Yamaha Music Europe GmbH (UK) trading as Yamaha Music London acts as a credit broker and offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. Yamaha Music Europe GmbH (UK) trading as Yamaha Music London is authorised and regulated by the Financial Conduct Authority. Yamaha Music Europe GmbH (UK) FCA registration number is FRN688040. Credit provided subject to age and status.

V12 Retail Finance is registered in England and Wales with company number 4585692. Registered office: One Arleston Way, Solihull, B90 4LH. Authorised and regulated by the Financial Conduct Authority (FCA). V12 Retail Finance's FCA reference number is 679653.


Body Designed for Pure Acoustic Tone

A hollow chamber and side slits help to reproduce natural acoustic resonance while minimising unamplified volume.

SRT Powered System adds realistic body resonance

The SLB300 Silent Bass incorporates SRT Powered System technology to deliver acoustic instrument sound and response that is virtually indistinguishable from the real thing.

The Yamaha SRT (Studio Response Technology) Powered System is a digital technology that employs in-depth analysis of the acoustic properties of traditional musical instruments to add natural-sounding body resonance in real time to instruments such as the Silent Bass that do not have a physical resonant body.

This system adds simulated body resonance to the analog signal output from the instrument’s pickup so that the performer’s own playing technique and nuances are delivered without compromise. No sampling or sample playback is involved.

Three microphone types, EQ, and blend control deliver ideal sound

Acoustic body resonance as picked up by professional studio microphones is realistically recreated. 

The SRT Powered System is used to simulate the response of three well-known and prized studio microphones. The microphones can be selected via the MIC TYPE selector, and the sound adjusted via the BLEND and BASS/TREBLE controls to match a wide range of musical genres, ensembles, performance locations, and more.

Three Microphone Types:

  • Rich: A highly valued vintage tube microphone that delivers smooth, well-balanced sound.
  • Simple: A dynamic microphone that is often used for its clear, well-defined sound.
  • Warm: With a different tube microphone character compared to the 'Rich' model, this classic microphone is known for emphasising the low range as well as overall warmth.

Blend Control:

The Blend control adjusts the mix between the simulated microphone signal and the signal from the instrument’s pickup. The blend can be seamlessly adjusted from direct pickup output with no microphone simulation to full microphone simulation when maximum depth and harmonic richness are desired.

EQ Controls (Bass / Treble):

The BASS and TREBLE EQ controls are optimised specifically for the SLB300, allowing tonal response to be matched to a wide range of performance situations.

Designed to require no change from standard acoustic bass technique

The SLB300 inherits its exterior design from the long-running SLB200. A compact, simplified shape does away with nonessential mass and volume. An acoustic bass shaped frame and a centre of gravity designed to minimise rotation further enhance playability, while the bridge, fingerboard, neck and other critical parts are in positions that require no change in hold or playing technique from traditional acoustic basses.

The SLB300 also uses standard contrabass strings, so you can use your preferred brand of strings.

Antique style finish with consistent frame and body color for a natural wood feel

The body and frame feature an antique style finish that emphasises the qualities of the wood and exudes a natural elegance. The finish will look and feel familiar to acoustic upright bass players.

The wood grain will be different in each individual instrument.

Supplied soft case for easy transportation

When packed in its dedicated soft case, the SLB300 takes up just approximately 25% of the volume of an acoustic bass.

Easy setup

The SLB300 comes with an optimised pickup system and preamplifier already installed, and can be directly connected to a wide range of equipment without further setup or adjustment.



String Length 1,040mm (41")






Beech (Detachable)

Finger Board



Worm gear type


Ebony (Reverse Type)


Maple (Height Adjustable)


Piezo Pickup


D'Addario Helicore Hybrid Light

Electric Controls

• Volume control knob • Treble control knob • Bass control knob / Bypass button • Blend control knob / Microphone type switch button


Line Out

Power Supply

AA battery (alkali or nickel hydrogen) x 2

Battery Life (Alkaline Batteries)

Approx. 32 hours

Battery Life (Nickel Hydrogen Batteries)

Approx. 26 hours


7.2kg (15 lbs. 14 oz)


Soft case, Mute, Allen wrench

Product IDKSLB300
Limited Shipping Please note that we deliver within the United Kingdom only

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