The Well-Tempered Computer - Active speakers

Abacus A-box 10

System	2 way active system
Price	pair: €1190,- (incl. VAT)
Frequency response	16…200-20.000Hz
Cabinet	Sealed
Digital input	N/A
analog input	RCA Line-Input Balanced input (XLR or 6,3mm jack)
Drivers	16,5cm (6,5”) Woofer 25,4mm (1”) Tweeter
Amp	50W RMS
Crossover	DSP Crossover at 2500Hz Bass roll-off continuously adjustable from 16 Hz to 200 Hz
H x W x D	210×235×353,5 mm 10 Liter

Acoustic Energy AE1 Active US$ 1,590

Drive Unit: 125mm ceramic aluminium sandwich cone
Tweeter: 25mm aluminium dome
Frequency Range:42Hz – 28kHz +/-6dB
Input Sensitivity:104dB for 1VRMS @ 1kHz
Peak SPL: 115dB
Maximum SPL: 105dB
Amplifier: Class A/B with linear power supply
Power: 100w
Crossover Frequency: 3.5kHz 4th Order Linkwitz-Riley
Inputs: RCA and Balanced XLR
Controls: Volume adjust 0dB to -inf/ HF shelf +/-2dB / LF shelf +/-2dB

Power Connection: IEC C13
Voltage: Switchable 110 / 240v
Safety Certification: CE EN55013/20
Design: 2 way active
Cabinet: 18mm MDF with bracing and damping panels
Grilles: Slim, cloth magnetic fit
Dimensions (mm): 300 x 185 x 250 (HxWxD)
Weight: 18kg (pair)
Finishes: Piano Black, Piano White and Piano Walnut real wood veneer

Added 2019

ADAM ARTist 6

System	2 way active
Price	1300 EUR (pair)
Frequency response	48 Hz - 50 kHz
THD 90dB/1m > 100 Hz	≤0.6 %
Long term output	≥103 dB
Max. peak	≥111 dB
Speakers	ART tweeter 2 mid/woofer
Cabinet	Vented
Digital input	-
analog input	XLR / RCA
Amp	3 x 25 W / 40 W A/B
Crossover	2800 Hz
Height x Width x Depth	34" (865 mm) x 5.5" (135 mm) x 7.5" (185 mm)

Out of production.

After all kind of financial problems, Adam returned to its roots; making studio monitors.
Of course their hallmark, the ATM tweeter remained.

Adam SV5

Airpulse Model One $995.00/pair

Proprietary horn loaded Ribbon Tweeter.
Cast frame under-hung coil woofer with hard anodized Aluminum cone.
25mm MDF enclosure with real Cherry wood veneer.
70 watt ( woofer)and 20 watt( tweeter) amplifiers electronic 24dB/Octave crossover
DSP error correction for ultra flat frequency response 40-20KHz
Remote control for level and input select.
Analog, digital coax, optical and Balance line inputs.
Accepts up to 192 KHz digital.
Rear Bass and Treble and Volume adjustment.
Proprietary elliptical air flowed vent for high level low distortion bass.
Universal voltage 85-260 volt AC power input.

Added 2019

AGM 3.3

AGM = Aktiv Geregelter Monitor

3-way active with SPDIF input.

Added 2016

APS Trinity € 2.490,00

3 way active with analog input

Coax € 1.400,- (pair)

Any finish on request.

Type	Active – two power amplifiers: Tweeter: monolithic integrated circuit TDA7294 Woofer: monolithic integrated circuit TDA7294
System	Two-way
Crossover Frequenc	3 kHz (slope: 12 dB/octave)
Dimensions: Height x Width x Dept	21 cm x 33 cm x 30 cm
Free Field Frequency Response	+/- 2 dB: 50 Hz - 22 kHz
SPL in Free Field @ 1m	RMS: 101 dB Peak: 109 dB
Weight	11 kg
Coaxial loudspeaker
Bass/Mid-Range Loudspeaker	Ø 18 cm Diaphragm: polypropylene, surround: rubber
Tweeter Loudspeaker	Ø 2.5 cm Diaphragm : fabric dome
Amplifiers
Bass/Mid-Range Power Amplifier	70 W RMS @ 8Ω
Tweeter Power Amplifier	70 W RMS @ 6Ω
Total Harmonic Distortion	0.005 % – PO = 5 W, f = 1 kHz 0.1 % max – PO = 0.1 up to 50 W, f = 20 Hz up to 20 kHz
Signal to Noise Ratio	103.5 dB – weighted by A curve 101 dB – in band of 20 Hz up to 20 kHz
Input Voltage Level for 100 dB SPL in Free Field @ 1m	0 dBu (i.e. 0.775 V) – calibrated regulators in 0 dBu, 0 dB position

Added 2016

Audio Pro Lving LV3 - € 1.699 (pair)

No longer in production.

ART RM5 $499/pair

Active 2 way with aluminium body.

Analog and Bluetooth input.

System Type	Active 2-Way Stereo
Program Power (Watts)	300 W
Max SPL (dB)	109
Frequency Respons (Hz +/- 3dB)	45-22,000
Crossover Frequency (Hz)	2200
HF Driver(s)	High Resolution Ring Radiator Centre Plug to Improve Off Axis Response
HF Program Power (Watts)	25W (x 2)
LF Driver(s)	5-inch High X-Max Composite woofer
LF Program Power (Watts)	125W (x 2)
LF Protection	Thermal / Peak (X-max)
Inputs	2 x XLR & ¼-inch TRS Balanced Combi-Jacks (Left/Right), Stereo 1/8-inch TRS Jack / Bluetooth Wireless Streaming
Mode Controls	Reference, HiFi, and Theatre Room Compensation 1/4 Space, 1/2 Space and Full Space
Level Controls	Master Level
Cabinet Material	Aluminum Unibody Design
Bass Principal	Dual Opposing Passive Radiator
Dimensions (DWH inches)	3.6 x 7.6 x 12.4
Dimensions (DWH cm)	9 x 19 x 31
Weight (lbs/kg)	20 / 9 (Pair)

Added 2020

AudioSense Open Baffle

Active ready open baffle system.

5 ScanSpaker units, Berylium tweeter.

Active x-over (& room correction) by DEQX.

Price € 9250,- (pair)
Including DEQX: € 11.400,-

DEQX HDP3 with digital out and 3 x Mytek dac: € 16.150,-

Audiovector Si3 Signature Active Discreet £6,750/pair

Audio is received by a hub connected to class D amplifiers build into the cabinet.

Audiovector says you can stream to it but no information about the protocol used.

Available for several models.

Digital input: 20 Hz - 48 kHz (optical 96 kHz)
Analog input: 2V RMS/10 kOhm
Frequency response: 20Hz - 20kHz
THD: 1 kHz < 0.015%, - 6dB below full volume
Output Power 0.4%THD 3 x 70W peak in each speaker - 420W total system power
S/N Ratio >102 dB (A-weighing)
Efficiency > 94%
Crossovers: 12dB Bessel linear phase
Crossover frequencies: 300 Hz/2800 Hz by 3 Active DSP's

Added 4/2014

Audium Comp 8 Air

Beside SPDIF this model also support DLNA and Airplay.

These boxes and an app is all you need to build a system.

DSP
Room adaption
Bass-Management
AUDIUM App

Fullrange Ø: 100 mm (4")
Woofer Ø: 220 mm (9")
SPDIF Rate: up to 24/192 (opt+coax)
Amp Power Fullrange: 50W
Amp Power Woofer: 130W
Power Supply Output: 36V/200W
Dimensions (WxHxD): 250 x 1020 x 340 mm
Weight: 25 kg

ATC SCM20SL ATS

System	2 way active system
Price	$ 12.000 (pair)
Frequency Response	80Hz–17kHz (±2dB) 60Hz–22kHz (±6dB) Matched Response :±0.5dB
Dispersion	±80° Coherent Horizontal, ±10° Coherent Vertical
Digital input	N/A
analog input	Balanced (XLR)
Amp	200w LF, 50w HF Class A (to 2/3 max power)
Crossover	Active Frequency : 2.8kHz

Avantgarde acoustic - Zero 1

3 way active speaker with 2 horns for mid and treble.

All the digital inputs.

Crossover and room adjustment implemented in DSP

Price	€ 9000
Drivers	Subwoofer: 30 – 250 Hz Midrange horn: 250 – 2.000 Hz Tweeter horn: 2.000 – 20.000 Hz
Digital input	S/PDIF Toslink AES/EBU USB
analog input	Optional (AD converter)
Amp	2 x 50 watts + 1 x 400 watts
Crossover	DSP: 6 channel, 66-bit FPGA
Filter steepness	Up to 100 dB/octave
Filter type	Progressive FIR filters
Phase shifts	< 5 degrees
DAC	3 x 24-bit Burr & Brown

Master/slave radio link	2.4 GHz ISM/SRD
Amplitude linearization*	Yes
Phase linearization*	Yes
Room adjustment/equalization*	100 EQs, each with 16,000 frequency points
Weight	30 kg
BxHxD	490 x 1040 x 318 mm

AVI DM10 £1500

Technical Specifications

Power amplifiers: High speed, linear, analogue bipolar, 75 WPC for the tweeters and 250 WPC for the bass drivers. System distortion is typically better than 0.002%.

Crossovers: Active 8th order Linkwitz-Riley @ 2.0kHz

Preamplifier: High quality state of the art analogue preamplifier with two digital and one analogue input. Control is remote and volume settings are remembered for each separate input.

Volume control resolution: 1/2 dB steps 100dB range.

DAC: Wolfson WM8741 24/192 with SRC to 24/96 Stereo with optical S/PDIF.

Bass driver: Very high power handling, unique purpose designed long excursion 6.5" paper cone drive unit with 1.5" voice coil, copper shorting ring and exceptionally broad bandwidth to enable a phase perfect crossover at 2.00kHz. Bass extension is better than - 6dB @ 50 Hz.

Tweeter: 1" silk dome tweeter with exceptional linear travel and twin copper shorting rings -3 dB point of greater than 30 kHz.

System Amplitude Response: better than 30Hz - 20 kHz.

Low Frequency Response: 6dB at 50Hz