Fast 6
126 US $ per pair
Contact us to get a quote with shipping at contact@liiaudiohifi.com
Crafted for Natural Listening
The FAST-6 is a carefully balanced 6.5-inch full-range driver crafted for audiophiles who demand refined tone, engaging dynamics, and smooth detail in compact enclosures. Positioned between our foundational F-series and premium Crystal series, the FAST-6 brings exceptional value with upgraded materials, tighter performance, and 93.1 dB sensitivity for low-wattage setups.
Designed with a larger ceramic Y35 magnet, precision voice coil, and a lightweight cone, the FAST-6 captures the heart of the music with immediacy and warmth—ideal for high-efficiency bookshelf systems, desktop HiFi, or minimalist open baffles.
Key Features
6.5" full-range speaker with Ceramic Y35 magnet
Clear, responsive sound with 93.1 dB sensitivity
Full-range output: 75 Hz – 20,000 Hz
Smooth tonal balance and strong transient response
Great for compact enclosures and low-power amps
No crossover needed – direct signal for natural imaging
Technical Specifications
Resonant Frequency (Fs)
62.88
Frequency Response
75 Hz – 20,000 Hz
Vas
22.95 L
Re (DC Resistance)
3.4 Ohms
Sensitivity (SPL)
93.1 dB (1W/1m)
Qms
3.82
Qes
0.517
Qts
0.455
Sd (Cone Area)
132.7 cm²
Cms (Compliance)
917.2 µM/N
Mms (Moving Mass)
6.99 g
Mmd (Diaphragm Mass)
6.1 kg
Le (Voice Coil Diameter)
25 mm
Nominal Impedance
4 Ohms
Max Power
50 W
Xmax
6 mm
Bl
4.261 T·m
Magnet Diameter / Material
100 mm / Ceramic Y35
Nominal Diameter
180 mm
Installation Notes
Best suited for bookshelf cabinets, wide-baffle reflex enclosures, or desktop open baffles
Designed for full-range performance with no crossover
Performs beautifully with tube, Class A, or low-watt solid-state amplifiers
Sold as a matched stereo pair