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ROLLS CORPORATION
SALT LAKE CITY, UTAH
06/2011
RA53b
Stereo Headphone Amplifi er
www.rolls.com
PS12
12V AC
SPECIFICATIONS
Input Impedance:
Max Input Level:
Max Gain:
Output Power:
Output Impedance:
S/N Ratio:
THD:
IMD (SMPTE):
Power:
Size:
Weight:
10 K ohms
+18 dBV
26 dB per channel
221 mW per side, 442 mW per channel
(@ 32 Ohms)
10 Ohms
>90 dB
<.08%
<.08%
ROLLS PS12 - 12V AC
(Adapter Provided)
8.4" x 1.7" x 5"
(21.3 x 4.3 x 13 cm)
2.5 lbs (1.14 kg)
Quick Start Guide
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Summary of Contents for Rolls RA53b
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Page 1: Quick Start Guide
10 Ohms S/N Ratio: >90 dB THD: <.08% IMD (SMPTE): <.08% Power: ROLLS PS12 - 12V AC (Adapter Provided) Size: 8.4” x 1.7” x 5” (21.3 x 4.3 x 13 cm) Weight: 2.5 lbs (1.14 kg) ROLLS CORPORATION SALT LAKE CITY, UTAH... - Page 2 A 1/4” JOIN Input/Output jack is provided for connecting two RA53b units together, provid- ing up to ten channels of headphone monitoring. Finally - the RA53b is loud. It has plenty of gain for operation in noisy environments, and works with most any headphone impedance.
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