Description
Monoblock power, absolute control and sonic refinement
The Classé Delta MONO is a monoblock power amplifier designed to offer impressive power reserves and consistently composed performance, even with demanding loads. The first 35 W in Class A ensure micro-dynamics and naturalness, while the power section ensures authority and stability up to 1000 W into 2 Ω . The fully balanced circuitry, toroidal transformer power supply and reference-level construction make this monoblock an ideal choice for hi-end systems and top-of-the-line cinemas.
Delta Architecture: Silence, Speed, and Precision
The Delta platform relies on optimized signal paths and selected components for extremely clean and transparent results. The 6-layer circuit boards, fully balanced output section, extended response up to 650 kHz and extremely low distortion values contribute to a fast, controlled and richly detailed sound. The 117 dB signal-to-noise ratio, the high 72 V/μs slew rate and a damping factor of 700 help maintain low noise, great articulation and control in the low range.
Installation and integration: rack, control and advanced thermal management
Also designed for professional installations, Delta MONO adopts ICTunnel™ cooling technology, which allows for more flexible configurations (even in racks) while keeping temperatures under control. On the connectivity front, you will find balanced XLR and unbalanced RCA inputs, dual speaker outputs with Torque-Guard binding posts, as well as control ports and functions such as DC Trigger , IR , RS-232 , Ethernet and CAN-Bus . All with an iconic aesthetic completed by the illuminated VU meter .
| Typology | Monoblock power amplifier |
| Class A operation | Up to 35W into 8Ω (Pure Class-A Operation) |
| Continuous power (1 kHz, 0.1% THD+N) | 300W/8Ω; 600W / 4Ω; 1000 W / 2 Ω (with constant AC line) |
| Frequency response (-3 dB, 50 Ω source) | 1 Hz – 650 kHz |
| Harmonic distortion (BW 500 kHz, 25 Vrms into 4/8 Ω) | <0.0016% @ 1kHz; <0.0018% @ 10kHz; <0.0028% @ 20kHz |
| Harmonic distortion (BW 90 kHz, 25 Vrms into 4/8 Ω) | <0.0005% @ 1kHz; <0.0006% @ 10kHz; <0.0015% @ 20kHz |
| IMD SMPTE 4:1 (8/4 Ω) | <0.001% |
| IMD CCIF (8/4 Ω) | <0.002% |
| S/N ratio (22 kHz BW) | 117 dB (119.5 dBA) |
| Gain (1 kHz) | 29 dB |
| Input impedance (1 kHz) | 82 kΩ |
| Slew rate | 72 V/μs |
| Output impedance | 0.01Ω (100Hz); 0.011 Ω (1 kHz); 0.015 Ω (10 kHz) |
| Damping factor (1 kHz, ref 8 Ω) | 700 |
| Peak Output Voltage (Rated AC Line) | 148 Vp-p into 8 Ω; 156 Vp-p at no load |
| Audio inputs | 1 × Balanced XLR; 1 × Unbalanced RCA |
| Speaker outputs | 2 pairs of 5-way terminals (Torque-Guard), bi-wiring support |
| Control and integration | CAN-Bus (RJ-45), IR In/Out (1/8" jack), DC Trigger In/Out (5–12 V DC), RS-232 (RJ-45), Ethernet (control/firmware) |
| Energy management | Auto Standby; Wake on Network (configurable) |
| Cooling | ICTunnel™ (temperature regulation/monitoring) |
| Dimensions (L × W × H) | 444 × 492 × 222 mm |
| Weight | Net 44.3 kg; Gross 50.6 kg |
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Classé Delta mono
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