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SONANCE SYMPHONY
®
SST, SSTR and SRS1
SPECIFICATIONS
S623SSTR
Tweeter : Two 1" (25mm) Silk domes, Ferrofluid-cooled
Woofer: 6½" (165mm) Carbon fiber cone, dual voice coil, rubber
surround, pivoting
Frequency Response: 43Hz – 20kHz ±3dB
Impedance: 8 Ohms nominal; 6 Ohms minimum
Power Handling: 5 watts minimum; 135 Watts maximum
Sensitivity: 90dB SPL (2.83V 1 meter)
Grille Material: Perforated aluminum
Adjustments: ±3dB Tweeter level
Dimensions (Dia. x Depth): 9¾" (248mm) x 5
3
/
16
" (132mm)
Cutout Diameter : 8
5
/
32
" (207mm)
Shipping Weight: 5 lbs. (2.3kg) Each
S621SSTR
Tweeter : Two ¾" (19mm) Silk domes, Ferrofluid-cooled
Woofer : 6½" (165mm) Polypropylene cone, dual voice coil, rubber
surround, pivoting
Frequency Response: 50Hz – 20kHz ±3dB
Impedance: 8 Ohms nominal; 6 Ohms minimum
Power Handling: 5 watts minimum; 100 Watts maximum
Sensitivity: 88dB SPL (2.83V 1 meter)
Grille Material: Perforated aluminum
Adjustments: None
Dimensions (Dia. x Depth): 9¾" (248mm) x 5
3
/
16
" (132mm)
Cutout Diameter : 8
5
/
32
" (207mm)
Shipping Weight: 4.5 lbs. (2.0kg) Pair
S623SST
Tweeter : Two 1" (25mm) Silk domes, Ferrofluid-cooled
Woofer: 6½" (165mm) Carbon fiber cone, dual voice coil, rubber
surround
Frequency Response: 43Hz – 20kHz ±3dB
Impedance: 8 Ohms nominal; 6 Ohms minimum
Power Handling: 5 watts minimum; 135 Watts maximum
Sensitivity: 90dB SPL (2.83V 1 meter)
Grille Material: Perforated aluminum
Dimensions (W x H x D): 8¼ ” x 12
3
/
16
" x 3
3
/
8
" (210mm x 310mm x 86mm)
Cutout Dim. (W x H): 6
13
/
16
" x 10
11
/
16
" (172mm x 270mm)
Shipping Weight: 5 lbs. (2.3kg) Each
SRS1
Tweeter : Two 1" (25mm) Silk domes, Ferrofluid-cooled
Woofer: 6½" (165mm) Carbon fiber cone , rubber surround, pivoting
Frequency Response: 55Hz – 20kHz ±3dB
Impedance: 8 Ohms nominal; 7 Ohms minimum
Power Handling: 5 watts minimum; 150 Watts maximum
Sensitivity: 90dB SPL (2.83V 1 meter)
Grille Material: Perforated aluminum
Dimensions (Dia. x Depth): 9¾" (248mm) x 5
3
/
16
" (132mm)
Cutout Diameter : 8
5
/
32
" (207mm)
Shipping Weight: 11 lbs. (5.0 KG) Pair