Related Manuals for API 2500
Summary of Contents for API 2500
- Page 1 API, 8301 Patuxent Range Road, Jessup, MD 20794 Tel: 301-776-7879 www.apiaudio.com...
- Page 2 Many popular units actually change when linked! Additionally, each channel used three VCA's to minimize noise and distortion found in single and dual VCA compressors. The signal path from the input to the output is ALL DISCRETE, using the API 2510 and the API 2520.
- Page 3 US Patent 5,170,437 THRUST Filter Before the RMS Detector +20 dB NORM, Flat 0 dB -20dB 20 Hz 200 Hz 2KHz 20KHz +20 dB MED Thrust 0 dB -20dB 20 Hz 200 Hz 2KHz 20KHz +20 dB LOUD Thrust 0 dB -20dB 20 Hz 200 Hz...
- Page 4 Compression KNEE at the Threshold Point HARD KNEE MED KNEE SOFT KNEE...
- Page 5 "NEW" or FEED FORWARD type COMPRESSION 3 VCA's 2510 2520 CHANNEL THRESHOLD, ATTACK, THRUST RMS DET RATIO, RELEASE, FILTER LINK CONTROLS "OLD" or FEED BACK type COMPRESSION 3 VCA's 2510 2520 CHANNEL THRESHOLD, ATTACK, THRUST RMS DET RATIO, RELEASE, FILTER LINK CONTROLS...
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Page 6: Compressor Section
Compressor Section COMPRESSOR .25s .75s .15s 1.5s m/sec THRESH ATTACK RATIO RELEASE RELEASE variable THRESH: This control sets the THRESHHOLD from +10 dBu to -20 dBu. Both channels are set independently with this control. Each channel has its own RMS detector and can operate as two single compressors or one stereo compressor. -
Page 7: Tone Section
RMS detector, limiting its response to lower frequencies. In the NORM mode, there is no filter and the 2500 compresses like most units on the market today. When MED is selected, there is a slight attenuation of the low frequencies and a slight boost of the high frequencies, with a flat midrange... - Page 8 This is very useful during situations where an adjustment needs to be made without disturbing the output level to tape or air. This function is similar to the API 525 ceiling control.
- Page 9 Normally, this control should be straight up. WARNING: Adjusting this control will likely require your unit to be returned to the API factory to be re-calibrated!! When in doubt, start with all the controls straight up...
- Page 10 SWITCH IT ONLY WHEN THE POWER IS OFF AC INLET FUSE HOLDER CHECK VOLTAGE REPLACE WITH A TYPE SELECTOR BEFORE 0.5A slow-blow for 90-125 VAC TURNING 2500 ON 0.25A slow-blow for 200-250 VAC SIDE CHAIN XLR INPUT XLR OUTPUT INPUT , +4dBu +4dBu...
- Page 11 Record the serial number of your 2500 in the space below for your records. Should you ever need to contact the factory about this unit, please have this number handy. serial no. found on rear ________________________________...
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