RNHP Precision Headphone Amplifier

MAXIMUM INPUT LEVELS

“A” XLR I/P: +22.8 dBu @ 1 kHz
“B” RCA I/P: +14.7 dBu @ 1 kHz,
“C” 3.5mm I/P: +3.3 dBu @ 1 kHz

OUTPUT POWER

As measured with typical headphones, Z=44 Ohm: 3.617 VAC RMS @ 1 kHz = 300mW RMS.
16 Ohm typical Load: 1.933 VAC RMS @ 1 kHz = 230mW RMS
150 Ohm typical Load: 5.108 VAC RMS @ 1 kHz = 175mW RMS

OUTPUT IMPEDANCE

.08 Ohm @ 1 kHz, 16-150 Ohm load, 0 dBu input

FREQUENCY RESPONSE

+/- .2 dB from 10 Hz to 120 kHz

NOISE

Measured with typical headphones, Z = 44 Ohm, BW 22 Hz - 22 kHz.
“A” XLR Input: -101.9 dBV,
“B” RCA Input: -100.9 dBV
“C” 3.5mm Input: -88.8 dBV

DIMENSIONS

6.5” wide x 4.6” deep and 1.9” tall

POWER SUPPLY REQUIREMENTS

24VDC @ 0.25Amp (6 watt) minimum. Use with supplied power adapter, as this has been carefully selected for best output power and noise performance. May be used with a properly configured 24V battery as well.