JBL ASC24: Your Ultimate 2x4-Channel Crossover and Signal Processor
Get this only as part of a complete system
The ASC24 is a game-changer! It offers two analog channels of two-way signal processing for Array Series loudspeakers. With a focus on delivering outstanding sound quality, here are its amazing features:• Ultra-low noise floor for crystal-clear audio• Smooth amplitude response for a rich listening experience• Maximum safe dynamic range for powerful sound
Using low noise components in the active signal path ensures quiet performance in any setup. The 24dB per octave Linkwitz-Riley type crossover filters with phase compensation, equalization, and limiting for each output combine to create a sonic masterpiece. A 30Hz high-pass filter protects against infrasonic damage.
Features:
- Two-Channel Analog Controller: Perfect for Array Series Loudspeakers
- Complete Signal Processing:
- Crossover Filters
- Phase Compensation
- CD Horn Equalization
- Mid-Filter Type Limiters with Switch Selectable Threshold
- Convenient Controls: Level trim controls and channel mutes on the front panel for easy adjustment.
Specifications:
- Speaker System Compatibility: Array Series: 4890, 4891, 4892, 4892-90, 4894, 4894-90
- Configuration: 2 channels by 2-way outputs
- INPUTS & OUTPUTS:
- Inputs: 2 channels, Max level +20dBu, 10K impedance, Pin 2+
- Outputs: 4 bands, Max level +20dBu into 600 impedance, Pin 2+
- Output Impedance: 47
- CONTROLS & INDICATORS:
- Front Panel Controls: ±6dB trim control on front panel
- Mute for each output band
- Rear Panel Controls: Limiter threshold for each output band, 1dB steps, via rotary switches
- AC voltage selectable
- Displays: Band-type, mute, signal present, limiter function
- PERFORMANCE:
- Dynamic Range: >110dB
- Total Harmonic Distortion: <0.005% typical, 0.1% maximum
- Output Channel Mute: Each output, auto on (4 sec) power up and down
- Nominal Gain: 0dB (Unity Gain)
- Crossover: 24dB/oct Linkwitz-Riley, 1kHz
- Limiters:
- User-adjustable threshold in 1dB steps via switches on back panel (from –10dB to +5dBu).
- Mid-filter type
- Limiter ratio >20:1
- Frequency Response: 30 Hz to 20 kHz
- High-Pass Filter: 30Hz
- PHYSICAL:
- Power Requirements: Selectable 120V or 240V, +10%/–20% 50/60 Hz
- Dimensions (H x W x D): 44.5 x 483 x 292 mm (1.75 x 19 x 11.5 in)
- Weight: 4 kg (8.8 lbs.)
The JBL ASC24 is a 2x4-channel crossover and signal processor designed for use with Array Series loudspeakers. It's perfect for audiophiles and professionals looking to enhance their sound systems. With features like two-channel analog control, complete signal processing, and convenient front-panel controls, it offers an easy way to optimize your audio setup. Its physical dimensions are 44.5 x 483 x 292 mm (1.75 x 19 x 11.5 in) and it weighs 4 kg (8.8 lbs.). It can operate on selectable 120V or 240V power, with a 50/60 Hz frequency range (+10%/–20%).