DIY: Amplifiers / power amplifier modules

PA amplifier module AKB-160

PA amplifier module, with 100 V output.
 
  • 1 x 40 WRMS
  • Silent operation due to fanless cooling concept
  • Balanced line input (XLR) and unbalanced line input (RCA)
  • Speaker output via spring-loaded speaker terminals
  • Volume control
  • Metal housing with mounting brackets
Specifications:
  • Output power: 40 WRMS, 60 WMAX
  • Mic input: -
  • Aux input: 390 mV/26 kΩ, bal. 420 mV/11 kΩ, unbal.
  • Phono input: -
  • Speaker output: 100 V
  • Frequency range: 17-20,000 Hz, -3 dB
  • Equalizer bass: -
  • Equalizer midrange: -
  • Equalizer treble: -
  • S/N ratio:>80 dB
  • THD:<1 %
  • Power supply: 230 V /50 Hz/75 VA
  • Admiss. ambient temp.: 0-40 °C
  • Dimensions: 213x55x238 mm
  • Weight: 3.2 kg
  • Special feature: -
  • Microphone: -
  • Aux, phono: 1 x XLR (line) 1 x RCA L/R (line)

Price per unit   (Order No. mo-174260) EUR 221,20 excl. VAT: € 185.88 / $ 200.75


Digital hi-fi power amplifier module IPA-25D

Digital hi-fi power amplifier module, mono version.
 
  • Operating voltage: 12-24 V
  • Class D concept
  • Very high efficiency (> 90 %)
  • Compact design due to concept without heat sink
  • Short-circuit proof
  • Thermal overload protection
  • Shutdown input for a very low standby current (< 0.25 mA)
Specifications:
  • RMS output power: 25 WRMS/4 Ω/24 V 30 WRMS/8 Ω/24 V; 15 WRMS/4 Ω/12 V 8 WRMS/8 Ω/12 V
  • Music output power: 45 WMAX/4 Ω/24 V 45 WMAX/8 Ω/24 V; 25 WMAX/4 Ω/12 V 12 WMAX/8 Ω/12 V
  • THD:<0.2 %/1 W
  • Output impedance: 4-8 Ω
  • Frequency range: 10-20,000 Hz
  • Input impedance: 12 kΩ
  • Input voltage: 140 mV
  • S/N ratio:>100 dB, A-weighted
  • Standby current: 14 mA
  • Power supply: 12-24 V DC current /2.5 A
  • Req. panel cutout: -
  • Dimensions: 65x13x40 mm
  • Weight: 25 g
  • Inputs: screw terminals
  • Outputs: screw terminals
  • Integrated limiter: -
  • Level control: -
  • 2-way tone control: -
  • Mains switch: -

Price per unit   (Order No. mo-030790) - not available


Low-noise microphone preamplifier module MPA-1

Low-noise microphone preamplifier module
 
  • Adjustable gain
  • Operating voltage: 12-40 V DC current
  • Frequency range: 20-15,000 Hz, -0.5 dB, 15-20,000 Hz, -3 dB
  • Input sensitivity: 2 mV
  • Input impedance: 200 Ω-10 kΩ
  • Output voltage: max. 7 V/1 kΩ
  • Gain: 52 dB
  • THD:<0.05 %
  • Noise voltage: 0.5 µV
  • Dimensions w/o shaft: 40x25x60 mm
  • Weight: 30 g

 

Price per unit   (Order No. mo-320550) - not available


Active speaker module with DSP technology, 200 WMAX, 120 WRMS AKB-210DSP

Active speaker module with DSP technology, 200 WMAX, 120 WRMS, for versatile applications.
 
  • 2-channel active module (class D)
  • 2 x 60 WRMS/4 Ω
  • 3-channel DSP
  • S/PDIF input and output
  • Audio in possible via USB interface
  • Line output for subwoofer amplifier (third DSP channel)
  • Link input and output for synchronising two AKB-210DSP modules
  • External mini keypad with buttons for on/off and volume, connection via 50 cm flat cable
  • Touch panel AKB-210TP as an alternative to the keypad is available at option
  • Integrated infrared receiver for optional infrared remote control AKB-210RC
  • Supplied with software (Windows* XP, Vista/7/8)
  • Parameters to be controlled via software: Biquad filter functions (bell, notch, all-pass, low-shelf, high-shelf, band-pass, high-pass, low-pass), delay, limiter, gain of the inputs, master volume, low cut
  • Short-circuit proof
  • Overtemperature protection
  • Bridged mode adjustable via software
  • Supplied with mains cable, USB cable, link cable (3.5 mm jack), mini keypad

 
Examples of application:
  • with one AKB-210DSPStereo system with passive filters
  • 2-way active system for controlling the bass speaker and tweeter of a speaker system
  • Bridged mode for operating a subwoofer or individual speaker with a higher power capability
  • with two AKB-210DSP2-way stereo system with active filters
  • 2-channel system with active subwoofer
  • 2-channel system with bridged power amplifiers for a higher power capability
  • additional third DSP channel

 
With the third line output to be programmed by DSP, the range of applications can considerably be extended. Actively controlled 3-way speakers, fully active subwoofer/satellite systems and a variety of most versatile speaker concepts can be configured and realised by controlling additional power amplifiers.
Specifications:
  • RMS output power: 2 x 60 WRMS/4 Ω ; 2 x 45 WRMS/8 Ω
  • Music output power: 200 WMAX /4 Ω ; 140 WMAX/8 Ω
  • THD:<0.05 %
  • Output impedance: 4-8 Ω
  • Frequency range: 20-20,000 Hz
  • Input impedance: 10 kΩ
  • Input voltage: 2.2 V
  • S/N ratio:>100 dB
  • Standby current: -
  • Power supply: 230 V /50 Hz/230 VA
  • Req. panel cutout: 310x120 mm
  • Dimensions: 115x60x200 mm
  • Weight: 1.5 kg
  • Inputs: 2 x line input (L/R, unbal.), 1 x S/PDIF, 1 x mini USB interface for programming by DSP and audio in, 1 x trigger, 3.5 mm jack (input/output), 1 x mains input jack
  • Outputs: 1 x sub output (line, unbal.), 1 x S/PDIF, 4 x clamp terminals for 4 Ω to 8 Ω speaker (rear panel), 1 x speaker output via 2 banana jacks (front panel)
  • Integrated limiter: via DSP
  • Level control: via DSP
  • 2-way tone control: via DSP
  • Mains switch: X

Price per unit   (Order No. mo-320220) - not available


Active speaker module with DSP technology, 400 WRMS, AKB-400DSP

DSP-controlled digital amplifier technology, for speaker building concepts. Speaker systems with digital signal processors (DSP) allow completely new possibilities. With the active speaker module AKB-400DSP, this technology is now applied in speaker building concepts. It is both suitable for 2-way speakers and for the application in an active subwoofer. The programming is carried out via a user-friendly software. For this purpose, the computer is connected to the module via a USB cable. A total of 400 WRMS at 4 Ω can be provided as desired, e.g. 400 WRMS for subwoofer operation, 2 x 200 WRMS for 2-way speakers or 350 WRMS for a bass speaker and 50 WRMS for a tweeter.
 
Active speaker module with DSP technology, 400 WRMS
 
  • 2-channel active module (class D)
  • 400 WRMS/4 Ω
  • 2-channel DSP
  • 4 presets can be programmed and stored
  • Supplied with software (Windows* XP, Vista/7/8)
  • Parameters to be controlled via software: Biquad filter functions (bell, notch, all-pass, low-shelf, high-shelf, band-pass, high-pass, low-pass), delay, limiter, gain of the inputs, master volume, low cut
  • Short-circuit proof
  • Overtemperature protection
  • Supplied without mains cable, matching mains cable AAC-115P is available at option
Specifications:
  • RMS output power: 400 WRMS/4 Ω ; 180 WRMS/8 Ω
  • Music output power: 600 WMAX /4 Ω; 250 WMAX/8 Ω
  • THD:<0.004 %
  • Output impedance: 4-8 Ω
  • Frequency range: 10-30,000 Hz
  • Input impedance: 25 kΩ bal.
  • Input voltage: 2.5 V
  • S/N ratio:>100 dB
  • Standby current: -
  • Power supply: 230 V /50 Hz/600 VA
  • Req. panel cutout: 310x120 mm
  • Dimensions: 142x55x330 mm
  • Weight: 1.1 kg
  • Inputs: 1 x line input (XLR, bal.), 1 x POWERCON, USB interface for DSP programming
  • Outputs: 1 x line output (XLR, bal.), 2 x 4-8 Ω speaker, 1 x POWERCON
  • Integrated limiter: via DSP
  • Level control: via DSP
  • 2-way tone control: via DSP
  • Mains switch: X

Price per unit   (Order No. mo-320010) - not available


Active Subwoofer Modules for the Digital Age SAM-200D

Active Subwoofer Modules for the Digital Age Due to state-of-the-art technology in the digital D class, the digital active subwoofer modules from IMG Stage Line provide a powerful bass reproduction in self-built subwoofer systems. The components feature a high power efficiency and provide an energy-saving operation. The lightweight design of these models which are available at an attractive price ensures a low total weight of the speaker system.
 
Class D active subwoofer module, 280 WMAX, 200 WRMS at 4 Ω
 
  • High-performance active module in class D technology
  • Variable low-pass filter: 40-200 Hz (18 dB)
  • Continuously adjustable phase control 0-180° for perfectly matching it to the main speakers
  • Line input, par. line output
  • Integrated bass boost of approx. 3 dB at 40 Hz
  • High power reserves
Specifications:
  • Output power rms 4 Ω: 200 WRMS
  • Output power rms 8 Ω: 100 WRMS
  • Music output power 4 Ω: 280 WMAX
  • Music output power 8 Ω: 150 WMAX
  • THD at rms power:<0.1 %
  • Frequency range, full range: -
  • Frequency range, satellite: -
  • Frequency range, subwoofer: 20 Hz - (var. 40-200 Hz)
  • Sub-boost: +3 dB at 40 Hz
  • Output impedance: 4-8 Ω
  • Input impedance: 20 kΩ
  • Max. input voltage:
  • Line in: 7 V max.
  • High power in: -
  • Max. power of high level input 4Ω: -
  • Max. power of high-level input 8 Ω: -
  • S/N ratio:>70 dB
  • Power consumption, no load: 24 VA
  • Power consumption, stand-by:>0.5 W
  • Stand-by activation time: -
  • Power supply: 230 V /50 Hz/330 VA
  • Required mounting cutout: 185x160 mm
  • Mounting depth w/o front panel: 60 mm
  • Dimensions: 178x204x80 mm
  • Weight: 1.4 kg
  • Line in: 1 x RCA
  • High power in: -
  • Line out: 1 x RCA
  • Volume control: X
  • Freq. cutoff control: X
  • Phase control: X
  • Automatic switch-on: X
  • Mains switch: X

Price per unit   (Order No. mo-320780) EUR 190,38 excl. VAT: € 159.98 / $ 172.78