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Symetrix 506E Headphone Amplifier User’s Guide
Architects and Engineers Specifications
The headphone amplifier shall have
stereo left and right program inputs
with a mono/stereo switch and a
mono cue input that is assignable to
left, right, and center. The headphone
amplifier shall have six stereo out-
puts. Each output shall have its own
volume control, amplifier, and signal
LED. Each output channel shall also
have a direct input, which interrupts
the signal from the program and cue
inputs to that output channel.
The headphone amplifier shall have a
program input gain control with a
mono/stereo switch. A cue input gain
control with LCR toggle switch shall
also be provided. All inputs shall be
balanced bridging inputs. Outputs
shall be suitable for driving head-
phones in the range of 8 ohms to
2000 ohms. The output source
impedance shall be 100 ohms. The
headphone amplifier shall be
equipped with a program input clip
LED, a cue input clip LED and a
power LED.
The headphone amplifier shall be
capable of delivering 35 volts peak-
to-peak into a 2000 ohm load.
The headphone amplifier shall be
capable of operating by means of its
own built-in power supply connected
to 115 VAC nominal (105 to 125V),
60 Hz or 230 VAC nominal (220 to
240V), 50 to 60 Hz.
The headphone amplifier shall be a
Symetrix Inc. model 506E Headphone
Amplifier.