BAE Audio 500C Manuel utilisateur
500C INSTRUCTION MANUAL
BAE AUDIO
BAE AUDIO – 500C
BAE 500C ©2017 1
500C Features
Congratulations! You’ve purchased a 500C 500 Series compressor!
The BAE 500C compressor is a 500 Series compatible FET style audio compressor/limiter inspired by the
venerable 1176. It features ultra fast attack time with controls for attack and release, “xed” threshold, Input/
Output controls and an array of useful compression ratios allowing it to be useful in a broad variety of musical
situations. It uses BAE’s proprietary discreet opamps and output transformer to deliver a transparent and warm
sound. The 500C is housed in a sturdy, all metal full enclosure for shielding. Carefully crafted with the nest
components.
Controls
Input:
Controls the amount of signal fed from the input buffer to the gain reduction
circuit. Increasing the input level control brings the signal closer to the
threshold of gain reduction.
Output:
Controls the amount of signal fed from the gain reduction circuit to the output
stage. Use this control as necessary to make up any gain lost during reduction.
GR Meter:
Indicates the amount of gain reduction applied to input signal. The green LED
remains on with no input signal. The Red peak LED is illuminated when the
input signal exceeds the clip point of the circuit. It is normal for the meter LEDs
to be off when ABI is selected with the ratio control.
Attack:
Controls how quickly the compressor’s gain reduction reacts to changes in
the input signal level. Rotate the control counterclockwise for slower attack,
clockwise for a faster attack.
Release:
Controls how quickly the gain reduction is returned to zero reduction. Rotate
the control counterclockwise for slower release, clockwise for a faster release.
Bypass:
Engages the hard bypass relay effectively connecting the input to the output.
BAE 500C ©2017
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BAE AUDIO – 500C
Controls (Continued)
Side Chain High Pass Filter:
Engages a 6dB per octave high pass lter at approximately 125Hz to
reduce the effect of low frequency signals on compressor operation.
Gain Reduction On/Off:
Engages or disengages the control signal to the gain reduction circuit
effectively enabling or disabling gain reduction.
Ratio:
Selects the gain reduction ratio 2:1, 4:1, 8:1, 12:1 20:1, ABI (“All Buttons
In” or “British Mode”. The ratio setting determines the rate or severity of
reduction applied to the input signal. Ex: Selecting a 4:1 ratio allows a
4dB increase in input level with only a 1dB increase in output.
Meter Adjustment:
From time to time it may become necessary to adjust the meter. If it is
observed that LEDs other than the green LED are on when no signal is
present (and thus no gain reduction) the meter circuit can be adjusted
through an access hole on the faceplate just about above the Ratio
control (see gure below). With no signal to the unit and with the Input
control fully counterclockwise, use a small jeweler’s screwdriver or other
appropriate tool to make slight adjustments to the trim pot through the
access hole.
Note: only slight adjustments will be necessary, and should be made slowly, allowing the meter to settle between
adjustments.. If the meter cannot be satisfactorily adjusted, it may be necessary to send the unit to the factory
for a full calibration. Contact BAE for service.
BAE AUDIO – 500C
BAE 500C ©2017 3
500C Installation and Specications
FET gain reduction | Three 2520 style opamps | Transformer coupled output | Feedback style
peak limiter | SC HPF | Hard bypass | Gain Reduction on/off | Comp ratios: 2:1, 4:1, 8:1, 12:1,
20:1 | ABI | Fully enclosed | High quality components throughout
Specications:
Max Input Before Clip:
+27dBu
Noise:
-82dB (+4dBu input, 1KHz, A-weight-
ed, GR off)
THD+N:
0.15% (+4dBu input, 1KHz, A-weight-
ed, GR off)
Frequency Response:
+0.3dB / -0dB (10-22KHz)
SC HPF:
6dB/octave @ 125Hz
Current Draw: Approx 120mA/Rail
500 Series Installation:
Follow the instructions provided by the
manufacturer of your 500 series rack and power
supply to install your 500C. Make sure that the
card is rmly seated in the slot and fully screw
the installation screws into the 500 series rack
enclosure. Your input and output connections
will be provided on the rear of the rack enclosure
either as XLR connectors or part of a DSUB 25
array.
BAE 500C ©2017
4
BAE AUDIO – 500C
5 YEAR WARRANTY
ALL BAE pedals have a 5 year warranty on the circuit-electronics and one year on the footswitch.
Warranty is only covered on part failure and not customer neglect.
BAE audio is not responsible for injuries incurred whilst using our products nor any damage to other items related
or non related to the use of our product.
Disclaimer: All sales are subject to verication. BAE reserves the right to suspend warranty coverage for any
product that has been sold under MAP/list Price or purchased from an unauthorized seller.
Warranty Registration
Mail:
BAE Audio
7421 Laurel Canyon
Unit 14
North Hollywood, CA 91605
Internet:
www.baeaudio.com/warranty
Date:
Model:
Serial Number:
Invoice Number:
Dealer:
Price Paid:
Name:
Address:
City:
State:
Postal Code:
Phone Number:
Email Address:
How did you hear about us?
RECALL SHEET
NOTES
www.baeaudio.com
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