OctaCon

8″ Loudspeaker with
Dual Concentric Driver.

Overview

[up↑]

List Price (pair): 999.- €

(check Amazon for updated pricing)

PURCHASE HERE via Amazon

A Great Loudspeaker for Great Amplifiers!

The name OctaCon originates from Octa = “eight” for its eight inch driver, and Con = for Dual “Con”centric.

We have designed a loudspeaker that should satisfy even the most demanding music enthusiast by emphasizing on aspects that we consider key to a satisfying listening experience:

    • High sensitivity of 90dB
      means the loudspeaker is highly efficient and is able to produce good volumes even with amplifiers of very low wattage.
    • Wide frequency spectrum
      reaching from very low frequencies of 34Hz for reproducing even the lowest of bass up to very high frequencies of 25.000Hz to ensure coverage of as many overtones as possible needed for a detailed and natural reproducion of music. Besides, we did our best to keep the SPL at a relatively constant level across the whole frequency range (just a note for the experts under us).
    • High quality components
      used for the speaker unit and frequency divider as well as a wooden bass-reflex housing that is big enough to fill also large rooms with sufficient volume.

To complete the offering and sparing you the effort of looking for accessories we include a pair of high-quality copper cables with banana plugs a well as a set of sound isolation speaker feet with spikes.

The OctaCon is not only a great companion for all of Tholin-Audio’s amplifiers but obviously also for great amplifiers of other manufacturers.

Features & Specifications

[up↑]
Schematic side view of driver

Schematic side view of the driver unit

Rocket Cone Phase Plug

"Rocket cone" shaped phase plug in the middle of the tweeter assists the critical shortening in the propagation path of the acoustic wavefront.

Shallow Waveguide

Shallower waveguide around the tweeter with a more aggressive flare allows for rapid expansion of the acoustic wavefront through the mouth of the bass driver. It improves articulate and precise reproduction through acoustic-centre alignment and phase coherence.

Unlike in conventional loudspeakers, the Dual Concentric design features a tweeter speaker  located in the centre of the bass speaker – basically two drivers, one for treble and one for bass, physically merged into one unit.

 

The design ensures that the tweeter and bass frequency units are on the same axis and that sound energy is spherically distributed from a central point – a real point source that offers an exceptionally lifelike drawing of the played music.

 

Conventional two- or three-way speakers project separate sound waves from different drivers arranged separately from each other. This inevitably leads to phase and time shifts, which contribute to certain distortions in the played music. As described, this problem is successfully eliminated by the Dual Concentric Speaker design.

8 inch Dual Concentric

8"/20cm Dual Concentric System

High Quality 2-Way 8 inch (20cm) Dual Concentric Speaker Unit

High Sensitivity

90dB High Sensitivity

High sensitivity of 90dB ensures good volume even with low amplifier power

Wide frequency range

Very Wide Frequency Range

Extremely wide frequency range from very low 34Hz to very high 25,000Hz; linear sound level reproduction across the whole range

Large Volume Bass Reflex Housing

Large Wooden Bass Reflex Housing

Large, 10kg heavy, wooden bass-reflex housing to fill also large rooms with sufficient volume

Technical specifications

  • Impedance: 8Ω
  • Recommended power range of the amplifier: 10W-130W
  • Frequency range: 34Hz ~ 25,000Hz
  • Sensitivity: 90 dB
  • Size of the Dual Concentric speaker unit: 8 inches
    (diameter 217 mm)
  • Woofer: 200mm (8″) diaphragm
  • Tweeter: 25mm (1″) PEI Convex Membrane
  • Wooden bass refelx housing
  • Net weight: 10 kg per piece
  • Dimensions: width 28 cm x depth 35 cm x height 42 cm

Package contents

  • Tholin-Audio OctaCon (pair)
  • High Quality loudspeaker cable with banana plugs
    (2 x 3 meter, see pictures)
  • Audiocrast sound isolation loudspeaker feet with spikes
    (8 pieces, see pictures)

Features & Specifications

[up↑]
Learn more about the Dual Concentric System

Unlike in conventianal loudspeakers, the Dual Concentric design features a tweeter in the centre of the bass speaker – basically two drivers, one for high and one for low frequencies, phycally merged into one unit. 

The design ensures that the tweeter and bass frequency units are on the same axis and that sound energy is spherically distributed from a central point – a real point source that offers an exceptionally lifelike drawing of the played music.

 Conventional two- or three-way speakers project separate sound waves from different drivers arranged separately from each other. This inevitably leads to phase and time shifts, which contribute to certain distortions in the played music. As described, this problem is successfully eliminated by the Dual Concentric Speaker design.

Features of the Dual Concentric Driver Unit

– Schematic side view of the driver unit –

Rocket Cone Phase Plug

“Rocket cone” shaped phase plug in the middle of the tweeter assists the critical shortening in the propagation path of the acoustic wavefront.

Shallow Waveguide

Shallower waveguide around the tweeter with a more aggressive flare allows for rapid expansion of the acoustic wavefront through the mouth of the bass driver. It improves articulate and precise reproduction through acoustic-centre alignment and phase coherence.

Other Features

8" / 20cm 2-WAY DUAL CONCENTRIC LOUDSPEAKER

High Quality 2-Way 8 inch (20cm) Dual Concentric Speaker Unit

90dB HIGH SENSITIVITY

High sensitivity of 90dB ensures good volume even with low amplifier power

VERY WIDE FREQUENCY RANGE

Extremely wide frequency range from very low 34Hz to very high 25,000Hz; linear sound level reproduction across the whole range

LARGE WOODEN BASS REFLEX HOUSING

Large, 10kg heavy, wooden bass-reflex housing to fill also large rooms with sufficient volume

Technical specifications

  • Impedance: 8Ω
  • Recommended power range of the amplifier: 10W-130W
  • Frequency range: 34Hz ~ 25,000Hz
  • Sensitivity: 90 dB
  • Size of the Dual Concentric speaker unit: 8 inches
    (diameter 217 mm)
  • Woofer: 200mm (8″) diaphragm
  • Tweeter: 25mm (1″) PEI Convex Membrane
  • Wooden bass refelx housing
  • Net weight: 10 kg per piece
  • Dimensions: width 28 cm x depth 35 cm x height 42 cm

Package contents

  • Tholin-Audio OctaCon (pair)
  • High Quality loudspeaker cable with banana plugs
    (2 x 3 meter, see pictures)
  • Audiocrast sound isolation loudspeaker feet with spikes (8 pieces, see pictures)

Customer Testimonials

[up↑]

To be Announced Soon

Name

Country, Date

User Manual Download

[up↑]

Access related documentation via our DOWNLOADS page

 

Contact us

11 + 12 =

Tholin-Audio
Design Center

101 Jinbang Road
Building L08
Shanghai
China, 200335

Tholin Limited
(Administration)

1512 Lucky Centre
165-171 Wan Chai Road
Wan Chai
Hong Kong, 999077

Tholin-Audio
Service Center

Werdener Str. 51
42551 Velbert
NRW, Germany

WordPress Cookie Notice by Real Cookie Banner