Altec Lansing 288-8K HF DRIVER User Manual

Specifications and Main Features

  • Modular Construction: Power Amplifier blocks rated at 70.7 volts and 78 watts can be connected in parallel to any configuration.
  • Remote Fault Indication: Capable for remote monitoring of faults during operation.
  • Flexible Input Configurations: Inputs can be fitted with one of two different types of modules (with or without stepped attenuators) available.
  • Continuous Rated Output Power:
  • - One Output Power Module at 64Ω will offer 78 watts output
  • - Eight channel together at 8Ω would provide 624 watts
  • Maximum Midband Output Power(1kHz, 1% THD):
  • - One Output Power Module at 64Ω will provide 110 watts of output.
  • - Eight channel together at 8Ω would provide 725 watts.
  • Frequency Response: 10Hz to 50kHz +/- 0.75db at 8 ohm 1 watt output.
  • Power Bandwidth: 20Hz to 20 kHz.
  • Voltage Gain: 39.5 dB at a frequency of one kilohertz as reference.
  • Input Sensitivity for rated output power: 0 dBu at 1kHz and +0.5dB.
  • Maximum Input Level:
  • - 2285A (compression): +15dBu
  • - 2284A: +1 dBu
  • Input Impedance: 15k ohm 1 kilohertz balanced.
  • Damping Factor: Greater than 35 for 100 Hz.
  • Cross Talk: Greater than 50 dBr re 1 kHz.
  • Noise Level: Greater than 95 dB with A weighting filter.
  • Stepped Attenuation: Down to -63 dB in one dB steps for each channel
  • AC Power: 100/120/200/220/240 Vac, 50/60 Hz; rated output of 1200W and idle of 100W.
  • Size:
  • Height: 7 inches (17.8 cm)
  • Width: 19 inches (48.3 cm)
  • Depth: 17.5 inches (44.8 cm)
  • Weight: 70 lb. (31.7kg) with 8 power amplifier modules.
  • Color: Black.
  • Accessories: Range of input/output modules and plug-in options offered.

Frequently Asked Questions

Q1: What is the output of power of the 2280B Incremental Power System?

A1: The 2280B Incremental Power System has a continuously rated output of 78watts for a single output power module (64 Ohms) and a 624watts for 8 channels in parallel (8 ohms).

Q2: Is the 2280B only usable on set speaker configurations?

A2: Not in any way, the amplification blocks can be paralleled as required, allowing for variety of audio applications with up to eight 70 volt speaker zones.

Q3: Are there alternatives of input modules compatible with the 2280B?

A3: Yes, the two input modules compatible with the 2280B, one is the 2285A with stepped attenuators, the other is the 2284A without stepped attenuators.

Q4: What is the frequency range that the device can operate in?

A4: The frequency response of the device works in the range of 10Hz to 50kHz (around 1 KHz it is 1 watt output of +0/-3 dB).

Q5: What is the process involved in the fault indication feature?

A5: This system is designed for remote indications of operational faults and thereby enables the user to keep track of the condition of the amplifier modules.

Q6: Does the amplifier has any noise specifications?

A6: Power amplified noise is over 95 dB (Using the A-weighted filter, below the rated output power).

Q7: What is the reading of the input impedance for this device?

A7: It is 15 kΩ (ref. 1 kHz, balanced input) .

Q8: How big is the dimension of the 2280B?

A8: Specifying the dimensions, the unit is 7 inches thick by 19 inches wide along with 17.5 inches depth .

Q9: What sort of power supply is required for the 2280B?

A9: As for the device, it may be used with an AC supply of 100/120/200/220/240 Vac: 50/60 Hz.

Q10: What is the total weight of the 2280B?

A10: Total weight is 70 lbs (31.7 kg) with 8 power amplifier modules.

User Manual

Page 1
Altec Lansing 288-8K HF DRIVER User Manual
Page 2
Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
Page 9
Page 10
Page 11
Page 12
Page 13
Page 14
Page 15
Page 16
Page 17
Page 18
Page 19
Page 20
Page 21
Page 22
Page 23
Page 24
Page 25
Page 26
Page 27
Page 28
Page 29
Loading...