Australian monitor KA1500 User Manual

The Australian Monitor KA1500 provides serious performance for not so serious dollars.

A professional amplifier in this price range with this sort of superior sonic performance and the flexibility of

accepting optional plug-in active filters and limiters, was unheard of before the Australian Monitor KA range.

Having built our reputation in the demanding concert and large installation markets,

we now offer a high value for money amplifier that all venues can enjoy.

Features:

• 2RU Heavy Duty custom alloy chassis

• Modular Construction - easy service

• Symmetrical Layout - even weight distribution

• Binding posts and ‘speakon’ outputs

• Balanced inputs and buffered attenuators

• Optional Plug in signal modifiers, high pass &
low pass filters plus limiter module

• Quad twin speed axial fans

• Efficient front to back cooling

• 21 position detented attenuators

• 1 watt and clipping indicators

situation critical

RELIABILITY IS EVERYTHING

KA1500

Output Power RMS (per channel)

Output Power RMS (bridge mode)

8 ohm 4 ohm 2 ohm

500 watts 750 watts 1000 watts

Protection:

• Independent rail fuses

• Input muting at turn on

• Input over voltage protection

• R.F. Interference suppression

• Short circuit protection and indication

• Thermal overload protection

• Mains inrush current suppression and indication

• Layout, grounding, decoupling and componentry have
been optimised to provide the user with
stability, reliability and longevity.

16 ohm 8 ohm 4 ohm

1000 watts 1500 watts 2000 watts

Options:

• High Pass Filter card HP1

• Low Pass Filter card LP1

• Limiter card LIM1

• Clip Limiter Card CLIM1

Specifications:

Output Impedance @ 1 kHz: <0.025 ohms
Damping Factor @ 1 kHz re 8 ohms: >350:1
Output Rise Time: <3.5 µ S (80%, leading edge of 20kHz square wave)
Slew Rate: 60V per µ S (leading edge, 20kHz square wave @ clipping)
Weight: Net 41.8 lb (19kg), Shipping 47.3 lb (21.5kg)
Distortion (0.5 dB below clipping re 4 ohms): THD+N (@ 1 kHz) <0.01%
Frequency Response: 20 Hz - 20 kHz < ± 0.15 dB

-3dB points <10 Hz - 80 kHz

Input Impedance: Line to Line (Balanced) 30k ohms
Input Sensitivity (nominally): For rated power re 8 ohm 1.26 Vrms (+4 dBu)

For rated power re 4 ohm 1.10 Vrms (+3 dBu)

Signal/Noise ratio: “A” weighted (re 8 ohm rating) >105 dB
Crosstalk: @ 1 kHz (re 8 ohm rating) >90 dB
Dimensions: excluding handles 3.5h x 19w x 14.8d (inch)

88h x 482h x 375w (mm)
including handles 3.5h x 19w x 18.3d (inch)
88h x 482w x 465d (mm)
(19 inch EIA rack mounting, 2 units high)

Power: 240 & 110V versions available

OTHER MODELS IN THE KA SERIES FAMILY ARE AVAILABLE.

CONTACT YOUR LOCAL DEALER OR NEAREST AUDIO TELEX OFFICE.

ABN 78 001 345 482

AUSTRALIAN, NEW ZEALAND

EXPORT WEBSITE:

www.audiotelex.com.au

NSW: Tel: [phone] Fax: [phone]
VIC: Tel: [phone] Fax: [phone]
QLD: Tel: [phone] Fax: [phone]
WA: Tel: [phone] Fax: [phone]
TAS : Tel: [phone] Fax: [phone]
SA: Tel: [phone] Fax: [phone]
NZ: Tel: [phone] Fax: [phone]

Authorised dealer: