I'll ship these for $4 for the speakers ($1 each and one for free) and $8 for shipping in the 48 states.
Seas H204 3" dome w/ back enclosure
8 ohms
recommended freq range 400-4k
free air resonance 400
operating power 3.2W
characteristic sensitivity 91 db
nominal power 80W
flux density 0.95 T
force factor 4.7 Wb/m
voice coil diameter 76.5 mm
voice coil height 3.0 mm
air gap height 2.0 mm
voice coil resistance 6.4 ohms
effective diaphragm area 55 cm^2
moving mass 3.1 g
air load mass in baffle 0.5 g
weight 0.65 kg
crossover freq 500 hz w/ 12db/oct
Seas H225 3/4" with ferrofluid
8 ohms
recommended freq range 4k-20k
free air resonance 1700 hz
operating power 4.0 W
characteristic sensitivity 90 db
nominal power 80 W
flux density 1.4T
force factor 2.6 Wb/m
voice coil diameter 19.5 mm
voice coil height 1.5 mm
air gap height 2.0 mm
voice coil resistance 6.2 ohms
effective diaphragm area 4 cm^2
moving mass 0.2 g
crossover freq 5000 hz w/ 12db/oct
Qms 1.0
Qes 2.0
Qts 0.7
the odd speaker is marked 53I0CX on the magnet
They all work as tested with a signal generator.
Good candidates for experimenting with no-baffle for time alignment and no baffle step response. Or in a three way system.
The fifth is a good candidate for testing amps before connecting the amp to a more valuable speaker
Seas H204 3" dome w/ back enclosure
8 ohms
recommended freq range 400-4k
free air resonance 400
operating power 3.2W
characteristic sensitivity 91 db
nominal power 80W
flux density 0.95 T
force factor 4.7 Wb/m
voice coil diameter 76.5 mm
voice coil height 3.0 mm
air gap height 2.0 mm
voice coil resistance 6.4 ohms
effective diaphragm area 55 cm^2
moving mass 3.1 g
air load mass in baffle 0.5 g
weight 0.65 kg
crossover freq 500 hz w/ 12db/oct
Seas H225 3/4" with ferrofluid
8 ohms
recommended freq range 4k-20k
free air resonance 1700 hz
operating power 4.0 W
characteristic sensitivity 90 db
nominal power 80 W
flux density 1.4T
force factor 2.6 Wb/m
voice coil diameter 19.5 mm
voice coil height 1.5 mm
air gap height 2.0 mm
voice coil resistance 6.2 ohms
effective diaphragm area 4 cm^2
moving mass 0.2 g
crossover freq 5000 hz w/ 12db/oct
Qms 1.0
Qes 2.0
Qts 0.7
the odd speaker is marked 53I0CX on the magnet
They all work as tested with a signal generator.
Good candidates for experimenting with no-baffle for time alignment and no baffle step response. Or in a three way system.
The fifth is a good candidate for testing amps before connecting the amp to a more valuable speaker
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