Description
The SB-15 is an ultra-compact signal buffer that is pedalboard friendly, with transparent operation that maintains the natural tone of your instrument. Unlike many audio designs that employ ICs or integrated circuits to buffer the signal, the 100% discrete class-A design of the SB-15 reduces the need for phase-cancelling negative feedback produces a more natural and pleasing tone. This is complimented by a Drag control load correction circuit to replicate the tone and feel as if connected directly to the amplifier. Once buffered, the signal is less susceptible to hum and buzz caused by radio interference and electromagnetic fields, and is then able to drive multiple pedals distances of 15 meters (50′) without noise. =+= Technical Specification
Audio circuit type
Class A FET buffer
Frequency response
20Hz to 30Khz
Dynamic range
104dB with dual 9V supply; 98dB with single 9V supply
Gain
0dB (unity gain)
Clip Level
+16dBu
Total harmonic distortion
0.01% @ 1kHz
Intermodulation Distortion
0.00%
Phase Deviation
<5° at 20Hz
Input Impedance
22K to 500K
Output Impedance
4.7K
Noise
-88dBu
Maximum Input
+16dBu
Drag Control
Input Connectors
Standard 2.1mm barrel with center negative (-)
Output Connectors
Standard 2.1mm barrel with center positive (+)
Extras
Dual 9VDC 400mA for optimal performance – May be used with single 9VDC 100mA supply to power buffer only
Construction
14-gauge steel
Size (L x W x D)
4.5" x 1.85" x 1.35" (114mm x 47mm x 34mm)
Weight
0.55lb (0.25kg)
Shipping size (L x W x D)
8" x 5" x 3" (203mm x 127mm x 76mm)
Shipping weight
0.65 lbs (0.3kg)
Power
+15V DC 400mA
Conditions
For use in dry locations only between 5°C and 40°C
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