Altec Lansing 1632C User Manual
Specifications and Main Features
- Construct Type - Dual-channel two-way electronic crossover or Single-channel three-way electronic crossover
- Input Format – Electronically balanced
- Input Impedance – Pretty high, >15 kΩ unbalanced, >30 kΩ balanced
- Input Limit – Eventual peak at +18 dBu (Reference dBu=-0.775 Vrms)
- Common Mode Rejection Ratio CMRR, >60 dB
- Output Format Balancing – Electronically balanced
- Impedance at Output – <50 Ω unbalanced, and <100 Ω balanced
- Maximum Level at Output – 24dBm
- Minimum value for Load Impedance – 600Ω
- Frequency Response Peak Value – 30Hz to 20kHz(dB) relative to 0 to a -3dB
- Total Harmonic Distortion % – ≥ 0.03% for frequencies equal to 1kHz and with 0dBu set as the output value.
- Intermodulation Distortion SMPTE Integration - 0. 1% (and lower) with 0 dBu of output.
- Noise floor – Value is close to -80 dBm but with A-weighted conditions.
- Channel crosstalk – Adjusted to be greater than 60dB.
- Input Filter: High-pass user switchable - 30 and 60-Hz with a roll-off slope of 24 dB per octave.
- Crossover Frequency Range: Using the ISO one-third octave centers the range is between 50Hz to 10 KHz
- Crossover Filter Type: Fourth-order Linkwitz-Riley
- Slope - The roll-off rate is set at 24 dB or 80dB per decade
- Limiter Threshold Range -10 dBu to +20 dBu Shifted Lower Dbw
- Response Times - Selectable Using Switches
- Controls: Ten recessed screwdriver-slotted controls (two input level controls, four limiter threshold controls, four output gain controls, AC power switch)
- Connections: IEC power cord receptacle and barrier strip for input and output
- Power Requirements: Choose between 100, 120, 200, 220, and 240 volts AC at 50/60 Hertz. Maximum power consumption is rated at 14 watts at 120 volts AC
- Operating Temperature: 60 degrees Celcius, 140 degrees Fahrenheit
- Dimensions: 1.75” H x 19.0” W x 9.75” D
- Shipping Weight: 11 lbs, Net Weight: 8 lbs
- Enclosure: Rack mount chassis made from an 18 GA steel
- Color: Black
- Support Documentation: New cross over frequency can be calculated by using these equations along with how to alter EQ curves
- Included Accessories: Three "flat "horn/driver EQ submodules, and two "flat” low frequency submodule assemblies
- Optional Accessories: 15560A plug in line transformer to isolate the input and output to the speaker
Frequently Asked Questions
Q: What application does the ALTEC LANSING 1632A Electronic Crossover fulfill?
A: The ALTEC LANSING 1632A is a dual channel two way electronic crossover or a single channel three way for use in loudspeaker systems.
Q: May I use the 1632A with other voltage ratings?
A: Yes, the 1632A bridges support a universal power transformer operating voltage ranges of 100 to 240 volts AC at 50 to 60 hertz.
Q: What's the maximum input level for the 1632A?
A: Maximum input level is +18 dBu.
Q: What means of speaker protection is employed in the case of the 1632A?
A: Speaker protection is provided by hard limiters on each output so that overload and distortion is kept in check.
Q: What type of submodules are available for the 1632A?
A: The unit is designed to accept optional 9600A-series horn/driver equalization submodules so that various combinations of horns and compression drivers may be properly equalized.
Q: Is the input balanced or unbalanced?
A: Inputs are electronically balanced Circuitry.
Q: What is the crossover frequency range of the device?
A: The cross over frequency range is switch selectable between 50 Hz to 10 kHz at ISO one third octave centers.
Q: Can I have the crossover frequencies that I want?
A: Yes, there are simple equations provided for users to work out normal frequency settings.
Q: What is the temperature range of operation for the 1632A?
A: The unit can be operated in ambient temperature not exceeding 60 degree celsius (140 degree Fahrenheit).
Q: If I do have technical issues in the case of the 1632A what should i do?
A: Technical service can be taken from ALTEC LANSING through their Oklahoma City office.
User Manual
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