DELTA12.4

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Price:
8795,00 €
Manufacturer: Hoellstern
Description

DELTA12.4 Audio Amplifier

The DELTA12.4 amplifier is a high-performance four-channel power amplifier. With their four individual audio inputs and four individual audio outputs Hoellstern® amplifiers are perctly suited for all applications. The high sound quality, the extraordinary flexibility and the great overall quality are lasting guarantors for a future-proof  investment which will amortise quickly and make the daily routine of professional sound technicians a lot easier.

Hoellstern® Amplifier Technology:

  • 4 (instead of 2) individual inputs and 4 outputs
  • Reinforced Neutrik® PowerCON® mains socket
  • 0.000 ms latency, ZeroLatency™ technology  
  • Reinforced high-current Neutrik® SpeakON® connectors
  • Exemplarily load stable high-current audio outputs
  • Full-metal Neutrik® XLR sockets and plugs
  • 4 x 2.2 kW at 2 ohms (> 2.6 kW at 1.6 ohms)
  • Sturdy, vacuum-cleanable spring steel air filter grids 
  • 2 x 6 kW at 2 ohms (> 7.5 kW at 1.6 ohms)
  • Black powder-coated full-metal housing 
  • 2 different practical operating modes  
  • All heatsinks screwed to housing for reinforcement
  • Comprehensive protective functions
  • Mechanically protected rotary controls and LEDs
  • Damping factor 1500 at 8 ohms
  • 2 RU housing weighting only 12 kg (26 lbs)
  • Strikingly audiophile, high-resolution, neutral sound  
  • 2 RU housing of only 29 cm depth (from rack ears)
  • Amazingly well-controlled bass response  
  • Replaceable 2 RU rack ears 
  • Digitally controlled amplifier setup
  • Top-grade temperature-controlled fans
  • Robust RS-485 network (and RS-232 interface)
  • Front sucking fans
  • Deterministic Hoellstern® network protocol  
  • Top-grade rear-panel switches (ball mechanism)
  • Active mains relieving PFC circuit  
  • Safe operation in damp and soiled ambience
  • Rugged iCVP® switching power supply technology
  • Permissible start-up temperature -40 °C
  • Intelligent AC mains management for 16 A breaker (B)
  • All functions internally controlled by firmware 
  • AC mains voltage from 75 V to 265 V (> 100 VDC)
  • All technologies successfully introduced since 01 / 2004 
  • AC mains frequency between 40 Hz and 100 Hz
  • DSP loudspeaker management as option available
  • Very high overall efficiency
  • Engineered and made in Germany
  • Maintenance-free design

The specifications

  • Number of individual inputs 4
  • Number of individual outputs 4
  • Output voltagepeak 95 V, all outputs, mode: ASYM
  • Output current cut-out limitpeak (with 5 retries) Mode ASYM: Ch 1: 120 A, Ch 2: 120 A, Ch 3: 70 A, Ch 4: 70 A
  • Output powers and permissible nominal loads Output C1 Output C2 Output C3 Output C4
  • Mode: ASYM, 8 ohm 600 W 600 W 600 W 600 W
  • Mode: ASYM, 4 ohm 1150 W 1150 W 1150 W 1150 W
  • Mode: ASYM, 2.7 ohm 1700 W 1700 W 1700 W 1700 W
  • Mode: ASYM, 2 ohm [Bridge 2 ohm | 3.2 ohm] 2200 W [8000 W] 2200 W 2200 W [5000 W] 2200 W
  • Mode: ASYM, 1.6 ohm 2700 W 2700 W 2700 W 2700 W
  • Mode: ASYM, 1 ohm 4000 W 4000 W 2700 W @ 1.6 ohm 2700 W @ 1.6 ohm
  • Mode: SYM, 8 ohm 400 W 400 W 400 W 400 W
  • Mode: SYM, 4 ohm 800 W 800 W 800 W 800 W
  • Mode: SYM, 2.7 ohm 1200 W 1200 W 1200 W 1200 W
  • Mode: SYM, 2 ohm [Bridge 2 ohm | 2 ohm] 1600 W [6400 W] 1600 W 1600 W [6400 W] 1600 W
  • Mode: SYM, 1.6 ohm 2000 W 2000 W 2000 W 2000 W
  • Mode: SYM, 1 ohm 3000 W 3000 W 3000 W 3000 W
  • Mode: SYM, Bridge, 1.6 ohm 8000 W (for information only) 8000 W (for information only)
  • THD at 1 kHz at 4 ohms and -3 dB < 0.03 %
  • Frequency response 20 Hz to 20 kHz at 8 ohms at -15 dB + / - 0.5 dB (typically + / - 0.05 dB)
  • Damping factor at 8 ohms, 100 Hz > 1000, typically 1500 comprising the SpeakON® connectors, typ. 5 mOhms
  • Latency without DSP or bypass (connector to connector)  0.000 ms, ZeroLatency™ technology
  • Signal limiter Yes
  • Current monitoring  Yes
  • LF limiter Yes, reduces the gain gently
  • HF limiter Yes, reduces the gain gently
  • AC mains supply monitoring / Power management Yes, safe operation at 16 A circuit breaker
  • Rearmounted gain factor toggle switch 26 dB and 32 dB basic gain 
  • Frontmounted rotary gain controls 0 dB to – 100dB, digitally controlled
  • Rearmounted bridge mode switch  Channel 1 and 2: Yes Channel 3 and 4: Yes
  • AC mains supply input  1 x Neutrik® PowerCON®
  • Analogue input and slave connectors  4 x 3-pin Neutrik® full metal socket and 4 x 3-pin Neutrik® full metal plug
  • Amplifier output connectors 4 x 4-pin high current Neutrik® SpeakON®
  • Remote control network  Yes, D-Sub 9 socket, RS-485 network, RS-232 point-to-point, Hoellstern® protocol
  • Frontside status LEDs display  Standby, Signal Input, VU -6 dB, VU -3dB , VU 0dB and Signal Limit
  • Frontside error LEDs display  Current, HF / LF Limiter, Temperature
  • Frontside rotary controls  One rotary step control with digital sensing per channel
  • Frontside switches Standby / ON switch, software-controlled
  • AC mains input 180 VAC to 265 VAC, operative from 70 VAC, 400 V tolerant
  • Starting current 10 A softstart
  • Intelligent AC mains power management Yes, iCVP®  
  • technology, dual hard-regulated switching power supply
  • AC mains fusing 16 A (class B breaker), for personal alarm systems class C circuit breaker or better
  • Housing construction Black powder-coated steel body , anodised aluminium front panel
  • Handles and 19" rack ears Yes, anodised aluminium, replaceable
  • Air filter and grids Open-pore foam, spring steel grids, black powder-coated, vacuum-cleanable
  • Air rate and fans 3 fans, temperature-controlled speed, front sucking
  • Dimensions Width: 19" (483 mm), height: 2 RU (88 mm), overall depth: 290 mm from rack ears
  • Weight 12 kg (26 lbs), shipping weight 14 kg (30 lbs)

 

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