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AUDIO AMPLIFIER 4 CHANNELS LAQUAD1200 – 1250 W per channel

2,979.00 2,085.30 IVA esclusa

The Lombardi’s LAQUAD1200 is a 4 channels fully analog audio stereo amplifiers, class AB. The amplifier was designed to be highly efficient and to maintain accurate audio performances in the whole bandwidth even under stress condition.
In the Lombardi LAQUAD1200 there are 4 audio Amplifiers, 4 Crossover and 4 safeguard independent Optical Limiters for each channel. The high quality of its components, the toroidal power supply and the handmade production guarantee the highest standards of Lombardi’s made in Italy products.

The audio amplifier LAQUAD1200 was tested to the limit (impedance less than 2 Ω) before it was placed on the market.

Category: Product ID: 2985

Description

4 channels Analog Audio Amplifier class AB with toroidal transformer.

 

1KHz, 0.001% THD+N

8 Ohm Stereo per channel 550w

 

4 Ohm Stereo per channel 850w

 

2 Ohm Stereo per channel 1250w

 

Max output RMS per channel       1250w

Max peak output per channel       1400w

Audio Crossover

– Electronic audio crossover that can be inserted individually in every channel(4 independent crossovers)

– 12 dB/oct. 3 cut-off frequencies selectable from the front panel

– Cut-off frequencies Low Pass: 113-145-3200 Hz (factory settings)

– Cut-off frequencies High Pass: 113-145-3200 Hz (factory settings)

– When the High Pass and the Low Pass are selected at the same time the result is a Band Pass with the chosen cut-off frequencies

– When no cut-off frequency is chosen the amplifier is linear

Limiter

– Optical limiter that can be inserted individually in every channel (4 independent limiter)

Bridge

– Insertable channel A+B (adjustable using channel A) and channel C+D (adjustable using channel C)

– Minimum applicable load 4 Ohm.

– Speakon output connectors channel A: 1+ positive 2+ negative

– Speakon output connectors channel C: 1+ positive 2+ negative

Frequency response            10Hz – 50 KHz

Bandwidth     10Hz – 50 KHz

Protection mode

– Forced ventilation with temperature sensor (2 fans)

– Thermal

– Output short circuit

THD+N         < 0,01% from 20 Hz to 20 KHz

Damping factor        Greater than 500 from 20 Hz with 8 Ohm load

Input sensitivity and impedance   .75 Volt at 50 KOhm

Input impedance (balanced/ unbalanced)            >20 K Ohm / >10 K Ohm

Noise  -100 dB

Crosstalk      < Noise from 20 Hz to 10 KHz

Class  AB

Input/output signal connectors each channel

  • Input A: 01 XLR male (balanced)
  • Output A: 01 XLR female (balanced)

 

  • Input B: 01 XLR male (balanced)

 

  • Input C: 01 XLR male (balanced)

 

  • Output C: 01 XLR female (balanced)

 

  • Input D: 01 XLR male (balanced)

 

Input/ output power connectors each channel

  • Output A: 01 SPEAKON female (OUTPUT A: 1+ 1- || BRIDGE AB: 1+ 2+ || OUTPUT B: 2+ 2-)
  • Output B: 01 SPEAKON female ( OUTPUT B: 1+ 1-)
  • Output C: 01 SPEAKON female ( OUTPUT C: 1+ 1- || BRIDGE CD: 1+ 2+ || OUTPUT D: 2+ 2-)
  • Output D: 01 SPEAKON female ( OUTPUT D: 1+ 1-)

Filter  20000uF+20000uF

Power supply            220 – 240 Volt

Absorption    12A maximum power (with all 4 channel in operation)

Ventilation   2 two-speed fans (thermal) forced with 60mm fans

Led indicators – front panel           FILTER (each channel): filter 1 (113 hz) – filter 2 (145 uz) – filter 3 (3200 hz) High pass (green) low pass (red) PROTECTION: (red) SIGNAL: regular (green) saturation (red) LIMITER: inserted (green) limiter intervention (red) BRIDGE (only channel A and C): inserted (yellow)

Led indicators – rear panel LINK (signal): A-B || A-C || C-D (yellow)

Power supply            Toroidal

Dimensions  2 RACK units

Weight kg 25

Dimensions cm [WxDxH] 48x38x8.7

Use:

Audio amplifier for each type of loudspeaker, stable at 1,2 Ohm

Manual English

Additional information

Weight 30 kg
Dimensions 65 × 50 × 25 cm

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