Whirlwind PA-1 Personal Headphone Monitor Amplification System

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Whirlwind PA-1 Personal Headphone Monitor Amplification System

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Whirlwind PA-1 Personal Headphone Monitor Amplification System

Part # PA1

Model # PA-1

The Whirlwind PA-1 is a high output, low distortion, portable monitoring device suitable for critical listening in any professional audio environment. The PA-1 accepts either balanced or unbalanced stereo, line-level signals through parallel XLR and 1/4" TRS inputs.

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Description

Details

Features

Features

Headphone distribution systems
Sign language interpretation or language translation (the superior sound quality will reduce ear fatigue when working over extended periods of time)
Adding headphone monitoring to any piece of audio equipment
Boosting weak headphone outputs in high SPL environments

Specification

Frequency Response	-2.5 dBm at 20 Hz -0.4 dBm at 20K Hz +3 dBm 17-61K Hz
Input Impedance	20K ohm with PAD off 200K ohm with PAD on
Maximum Input Level	+20 dBm with PAD off +40 dBm with PAD on
Output Impedance	10 ohms (headphone)
Maximum Output Level	+10 dBm into 30 ohm headphones +18 dBm into 10K load
Rise Time	5.6 u S
Headphone Impedance	30 ohm minimum
Noise	Battery power -84 dBm full up - 100 dBm full down PS24 power -88 dBm full down -83 dBm full up
Stereo Separation	68 dBm at 1K Hz 45 dBm at 20K Hz
Range of Gain Controls	-60 to +15 dBm
T.H.D. +N	0.006% at 1K HzM <0.055% 20-20K Hz
Stereo Tracking	1 dBm from 9 o’clock position to full CW
C.M.R.R. of Inputs	74 dBm at 60 Hz

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