Amplification and Power
Four channels of 1500W Class-D amplification run on APEX's GlidePath direct-drive topology, DC-coupling the DSP and amplifier stages to cut distortion and time offset versus AC-coupled designs, with True Cone Excursion management protecting connected speakers under demanding transient loads. The CP1504D drives low-impedance loads directly or 70V/100V constant-voltage lines.
Networking and Control
A 4-input Dante module is fitted as standard, supporting 48/96kHz networks with switchable or redundant primary/secondary ports and AES67 compatibility, so the CP1504D can sit on the same network as other Dante/AES67 equipment we supply, including DiGiCo consoles, KLANG processors, DirectOut converters, and Sound Devices Astral wireless receivers. Configuration runs through the browser-based IntelliCloud WebUI over the amplifier's built-in WiFi hotspot or a wired LAN connection, with cloud access available for remote site management.
DSP and Processing
A 64-bit fixed-point DSP engine handles a flexible routing matrix, per-channel and per-group gain/delay/polarity control, 12-band parametric EQ (16 filter types) at the user, group, and speaker-preset stages, HP/LP crossover filters (Bessel, Butterworth, Linkwitz-Riley, 6-48 dB/oct), 768-tap FIR filtering per channel, and peak/RMS limiting.
Applications
Suited to auditoriums, larger houses of worship, live venues, and other installed sound projects needing high per-channel headroom alongside networked, DSP-driven control.
Key Specifications
- Channels: 4 x 1500W (2/4/8 ohm); 1000W at 16 ohm; 1500W Hi-Z 70V/100V
- Amplifier Topology: Class-D, GlidePath direct-drive, DC-coupled DSP/amp integration
- Bridged Mode: Not available on this model (bridging is offered on the CP354D and CP704D only)
- Impedance Modes: 2/4/8/16 ohm low-impedance direct drive, Hi-Z 70V/100V constant voltage
- Dante: 4-input integral module, 48/96 kHz, switched or redundant ports, AES67 support
- Analogue Inputs: 4 balanced line inputs (3-pin Phoenix), 32-bit A/D
- Internal Streaming: 2-channel source supporting Spotify and AirPlay
- DSP: 64-bit fixed point; flexible I/O routing matrix; 12x PEQ per channel (16 filter types); HP/LP Bessel, Butterworth, Linkwitz-Riley 6-48 dB/oct; 768-tap FIR per channel; peak/RMS limiting
- Control: IntelliCloud WebUI (browser-based), built-in WiFi hotspot, wired LAN Ethernet, cloud remote management
- Latency: 1 ms
- Power Supply: Universal 100-240V AC, active PFC, Powercon 32A inlet
- Dimensions: 483 x 44.5 x 458 mm (1U, 19-inch rack)
- Weight: 8 kg (17 lbs)
