Ballpoint Investment & Consulting
Sound Without Compromise.
We import the world's most exceptional loudspeakers to South Africa — for those who hear the difference.
The Collection
Instruments of Pure Sound
Flagship of the Dexter Series.
Dexter
The Dexter Quintet is a three-way floorstander built around a pure diamond tweeter, ceramic midrange, and dual carbon fibre bass drivers — technologies that began at the very top of Marten's range. Deep, controlled bass, precise imaging, and an openness in the midrange that reveals the character of every recording.
Frequency Response
21–45,000 Hz ±2dB
Sensitivity
91 dB / 2.83V
Impedance
6 ohms (3.8 min)
Configuration
3-way, diamond tweeter
Command attention.
Marten Mingus Septet
A heavyweight four-way speaker with seven drivers. Custom pure diamond tweeters, beryllium high midrange, ceramic mid-bass, and passive aluminium sandwich bass drivers deliver full-range performance with deep bass and wide dynamics. An unparalleled sound that is both captivating and immersive.
Frequency Response
23–60,000 Hz ±2dB
Sensitivity
88 dB / 2.83V
Impedance
4 ohms (2.7 min)
Configuration
4-way, 7 drivers
Our Philosophy
Only the Finest. Nothing Less.
Ballpoint Investment & Consulting was founded on a single conviction: South Africa's most passionate audiophiles deserve access to the world's most extraordinary loudspeakers.
We travel the world's finest audio exhibitions, forge direct relationships with the manufacturers who push the boundaries of acoustic science, and bring their work to your listening room. Every model we represent has earned its place through rigorous evaluation — not marketing budgets.
Precision Sound. Uncompromised.
Private Inquiries
Begin Your Listening Journey.
Pricing, availability, and private demonstrations are available by inquiry. We respond to every message personally.