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Thesis TH 6.5 II sax
Technical Highlights
- 6.5" woofer, 300W peak, 87 dB SPL, 4 Ohm.
- Frequency response 40-4500 Hz, neodymium magnet, TPX® membrane.
- High transparency, die-cast aluminum basket, Audison excellence.
- More technical details
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Thesis TH 6.5 II sax by Audison
Thesis TH 6.5 II sax is a 6.5 inch (16.5 cm) midbass driver from Audison with a nominal power handling of 150 W and a peak power handling of 300 W at 4 Ohm. The frequency response is specified as 40–4500 Hz, the linear excursion is 5.4 mm, and the sensitivity is 87 dB. The voice coil has a diameter of 50 mm and low inductance, with the voice coil material specified as Copper Clad Aluminium Ribbon. Neodymium is used as the magnet, including N48 H-Grade specification and geometrically optimized magnet group via Finite Element Simulation. The diaphragm is made of TPX® with simulated geometry, and the basket is one-piece aluminum die-cast with four pairs of spokes. The suspension and spider are designed as Hi-excursion, and eID technology is integrated.
- 6.5 Inch (16.5 cm) Midbass Driver
- Continuous Power Handling 150 W
- Peak Power Handling 300 W
- Impedance 4 Ohm
- Frequency Response 40–4500 Hz
- Xmax 5.4 mm
- Voice Coil Ø 50 mm
- Voice Coil Material CCAR (Copper Clad Aluminium Ribbon), Flat Wire Wound
- N48 H-Grade Neodymium Magnet
- Magnet Group Design via Finite Element Simulation
- Cone Material TPX®
- One-piece Aluminum Die-Cast Basket with Four Pairs of Spokes
- Low Inductance of the Voice Coil
- Hi-excursion Suspension and Spider
- eID Technology
- Size 165 mm
- Voice coil material CCAP – Copper Clad Aluminium Ribbon
- D 130 mm
- Re 3.8 Ohm
- Fs 55 Hz
- Vas 8.6 l
- Mms 24.2 g
- Cms 0.35 mm/N
- BL 8.2 T·m
- Qms 5.3
- Qes 0.47
- Qts 0.43
- Le 0.43 mH
- SPL 87 dB
- Weight 1.25 kg
- Dimension A 165 mm
- Measurement B 143 mm
- Measurement C 84 mm
- Measurement D 74.5 mm
- Measurement E 170.5 mm
- Measurement F 30

