Technics SB-C600 Compact Bookshelf Speaker System

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Mentioned price is for two pieces (one pair)

Spitzenklasse 1,1
HiFi / TV Testmagazin 4/22

Technics SB-C600 Compact Bookshelf Speaker System

“When hearing the name ‘Technics’, most hi-fi and music lovers immediately think of our legendary turntables,” Frank Balzuweit, European Technics product manager explains.

“However, the first Technics product ever built, back in 1965, was a small 2-way bookshelf speaker system. This design set a new performance level for compact speakers at the time.”

“It is no longer a big challenge to be able to design huge speaker systems capable of a large, realistic performance.
However, to be able to craft a very compact speaker system that can recreate a spacious, ‘concert hall’ experience in the home – revealing every detail with vibrancy, yet with power and a large soundstage – requires advanced expertise.
Technics’ engineers have made best use of their know-how, perfectly demonstrated in the new SB-C600 speaker system.”

The SB-C600 is a compact 2-way bass reflex speaker with a unique coaxial drive unit working as a point source, built on the ‘Linear Phase’ principle. Technologically, it borrows many aspects from its bigger brother, the Technics SB-G90M2 speaker system.

With the new SB-C600, thorough CAE analysis was used to optimise drivers, elements and enclosure structures to efficiently eliminate unwanted vibrations and distortions, and to significantly improve overall clarity and performance quality.

Key features:

  • Phase Precision Driver, emulating the driver in the SB-G90M2 floorstanding speaker, consisting of a 15cm large-diameter woofer, accompanied by a 25mm aluminium dome tweeter
  • Linear Phase Plug, as used in the SB-G90M2, suppressing unwanted phase disturbance, thus enabling a seamless integration of mid and high range, with a natural sound free of distortion
  • Balanced Driver Mounting Architecture (BDMA), fixing the driver to an inner Speaker Mount Baffle in the centre of gravity around the magnet, thus preventing tumbling motion. This eliminates unnecessary vibration of the sound wall for higher purity of sound
  • Front port with accurate curve and vortex generators designed via airflow analysis to eliminate any ventilating noise
  • Rigid cabinet with inner Speaker Mount Baffle suppressing vibrations for an ultimately natural sound with superb timing and soundstage


Advanced Phase Precision Driver

To reproduce music with enhanced spatial sound expressivity requires that the wavefronts of sounds radiated from the speaker unit are all aligned regardless of the listening position. The concept of point sound source is one of the ideal approaches to achieve it.
To realise the point sound source reproduction, the coaxial configuration was adopted and then it was combined with the originally shaped Linear Phase Plug for aligning phases and the Smooth Flow Diaphragm formed with a shallow-shape diaphragm and smooth edge shape for minimum sound reflection. The result is a spherical wave with aligned wavefronts of radiated sounds.
The SB-C600’s 2-way coaxial speaker unit realises clear sound image localisation and a smooth, high-quality sound, rich of emotion, while inheriting the concepts of point sound source and linear phase that Technics pursues relentlessly.

Linear Phase Plug

The originally shaped acoustic plug is positioned on the front side of the tweeter diaphragm and provides a high-resolution sound reproduction capability and a wide sound stage.

Smooth Flow Diaphragm

If the sound wave has irregularities on its sound transmitting surface, its wavefront becomes disturbed by the shapes of the irregularities, resulting in the degradation of frequency characteristics. High frequencies that have short wavelengths tend to be more susceptible to the degradation of sound characteristics. The woofer diaphragm in the coaxial speaker unit has a shallow shape and smooth edge to reduce sound reflection. The result is minimal disturbance of the wavefronts of sound waves radiated from the diaphragm to realise excellent frequency response and phase characteristics as well as wide directivity.
This configuration achieves a wide sound stage and smooth and rich mid- to high-frequency range.

Smooth Flow Port

A bass reflex port with an ordinary shape produces a large air current vortex that induces annoying high-frequency noise. Technics employed the airflow control method utilised for airplane wings and designed the cross-sectional shape of the port using flow analysis. The optimally designed port shape does not cause airflow disturbance at the opening and ensures high-quality bass reproduction with minimum noise and superb response.

Stationary Construction

It thoroughly removes undesirable or unwanted sounds and reproduces only the intended sounds with a high signal-to-noise ratio. The “Balanced Driver Mount Architecture” used in the grand class SB-G90M2 has been optimized for this model by making full use of CAE (Computer Aided Engineering). In addition, the speaker mount baffle that holds the speaker units in place has been newly designed to strengthen the rigidity of the entire cabinet. The combination of these factors maximizes the advantages of the gravity center mount structure. The rigidity and shape of each part that makes up the coaxial speaker unit has been carefully studied to eliminate unnecessary vibration and noise.

Balanced Driver Mounting Architecture

To realise a calm and low-distortion sound, the SB-C600 employs a speaker mount baffle created by optimising the low-resonance, high-rigidity design concept of the SB-G90M2 using CAE.
The originally shaped speaker mount baffle keeps the concentration of stress in check. The speaker mount baffle secures enough vent holes to ensure smooth flow of sounds radiated from the back sides of the speaker units and improve the response while maintaining low resonance and high rigidity. In addition, this structure reduces the vibrations of the entire enclosure and minimises the effects on other equipment.

Other Technologies

High Quality Parts

The network circuit uses high-quality parts, such as polypropylene film capacitors, OFC wires and more.
The speaker terminals are made of brass.

All Aluminium Diaphrams

The woofer and tweeter diaphragm are made of alumite-treated aluminium material for a unified tonal quality, and provides balanced sound like a full-range unit.

Highly Analysed and Optimised Components

To achieve accurate sound image localisation, structural parts such as spacers and wire grommets were analysed extensively for the elimination of undesirable vibrations and noise.

Matte Black Finish

The front baffle of the SB-C600’s enclosure is coated with a matte paint mixed with a powder for a beautiful matte finish.


Advanced Phase Precision Driver with Linear Phase Plug

Smooth Flow Diaphragm

Silent Construction with Balanced Driver Mounting Architecture

Smooth Flow Port

Highly Analysed and Optimised Components

High Quality Parts for High-purity Sound

Size and Weight

Height 293mm - Width 173mm - Depth 283mm - Weight 6.3kg


  • 2-way 2-speaker Bass Reflex (Coaxial 2-way Woofer/built-in tweeters)

Speaker Units

  • Woofer / Tweeter

    • 15 cm (6") Cone type x 1 / 2.5 cm (1") Dome type x 1


Input Power (IEC)

  • 60W (Rated), 120 W (Max)

Recommended Amp Power

  • 40- 120 W (Speaker tested by IEC60268-5 Short Term Max Test)

Sound Pressure Level

  • 83 dB / 2.83 V (m)
    80 dB / W(m)

Frequency Range

  • 40Hz - 100kHz (-10dB)

Crossover Frequencies

  • 2kHz

Dimensions (W x H x D)

  • 173 mm × 293 mm × 283 mm (Include net 8mm and terminal 15mm)


  • Approx. 6.3 kg


  • Speaker Cable x2*¹, Owner's Manual x1
    *1 Length of the speaker cable may not be sufficient on your placement. Please prepare suitable cable based on your installation requirements.


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