STONES SOUND STUDIO
RIBBON SPEAKER KIT
275 Floor standing Twin 5'' MTM Speaker
SPECIFICATIONS Issue3 17/12/07 Exclusive to Stones
Frequency Range
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40Hz-40kHz Floor standing |
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Efficiency |
92.5dB SPL @ 1m 2.83Vrms @22degs C averaged |
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Nominal Impedance |
4 ohms |
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Recommended amplifier power |
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Harmonic Distortion THD |
+- 0.3% @ 1watt 2.83Vrms 1Khz |
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Relative Phase Coherence |
<±30° degs 400Hz to 10Khz |
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Crossover
(No Soldering required )
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Printed Circuit Board : Fully finished includes all components, Velcro mounting tabs & wiring Wiring cable : Internal speaker cable high quality OFC 384 strand with push on connections Speaker terminals : 4mm twin gold plated binding post Filter : 2 way off set Bessel / Butterworth , linear phase
Freq
: 3.76Khz Components: High quality, Copper Air core inductors ,SCR 400V metalized MKP capacitors Non Inductive resistors Bi-wiring : Option provided |
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Drivers |
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Input Terminals |
Gold plated 2way |
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Cabinet |
High quality enclosure supplied fully finished with, pre drilled screw holes, port, speaker mounting holes, grill panel , acoustic felt lined ,mounting screws Features : Low resonant chamber ,36mm thick front baffle , hardwood bracing ribs ,rounded edge speaker hole, rear port , low loss acoustic grill material, felt cup for tweeter magnet , acoustic port plug for wall or in cabinet mounting |
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Cabinet Finishes |
270 DIY your own enclosure from Stones Plans | USe 260speaker kit |
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Size ( outside dimensions ) |
1050mm 180 305 |
36mm Thick front baffle |
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Use 260 cabinet > internal Volume ,bracing
and port tuning for upper chamber , sand fill lower chamber and fit base
plinth Use 260 Felt damping technique for tweeter and cabinet Use Speaker kit 260 > ( Crossover unit & drivers ) |
Mass |
25 kg ea |