MAGNUM - IA-100 Solid state integrated amplifier
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Magnum IA-100 integrated amplifier, manufactured circa 1989 by MAGNUM, in very good condition, single owner and original, tested and operational with power supply included, dimensions 37 cm W × 8 cm H × 30 cm D, weight 7 kg, 75/80 W per channel into 8 ohms, Class AB output stage with Hitachi MOSFETs, toroidal transformer around 300–400 VA, and high-quality MM/MC phono stage.
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Description from the seller
Rare and hard-to-find integrated amplifier produced by AC Magnum Ltd at the end of the 1980s in perfect condition.
Single owner. Original condition (never repaired, never tampered with), easily drives difficult speakers like my AR6s.
AC Magnum LTD - born in the United Kingdom in the late 1970s. Production overseen by Colin Wonfor (Inca Tech Claymore) and Tony Relph (REGA), a small company based in Hampshire.
Unlike the big mass producers, Magnum focused on a minimalist philosophy: simple circuits, short signal paths, and high-quality components.
IA 100 (Integrated Amplifier 100) represented the top tier of their integrated line.
Internal Construction: Class AB with a Hitachi MOSFET output stage.
Power: 75/80 Watts per channel (into 8 Ohms), a substantial 100 W rms continuous for an amplifier of the era, capable of easily driving even demanding speakers.
Dynamics: Great ability to handle sudden musical peaks without sounding harsh.
Timbre: Warm but detailed.
Phono Stage: (MM/MC) of excellent quality, highly appreciated by vinyl lovers.
Large toroidal transformer: 300-400 VA
Capacitor Bank: 4 main capacitors of 4700 µF at 50 V
Frequency response: 10 Hz - 40 kHz
Craft Production: A.C. Magnum assembled the circuits often in small batches. This is batch number 11 77
The Hitachi MOSFETs: 2SK134 / 2SJ49 - famous for having a much higher perceived power than stated, thanks to their ability to handle high currents.
Rare and hard-to-find integrated amplifier produced by AC Magnum Ltd at the end of the 1980s in perfect condition.
Single owner. Original condition (never repaired, never tampered with), easily drives difficult speakers like my AR6s.
AC Magnum LTD - born in the United Kingdom in the late 1970s. Production overseen by Colin Wonfor (Inca Tech Claymore) and Tony Relph (REGA), a small company based in Hampshire.
Unlike the big mass producers, Magnum focused on a minimalist philosophy: simple circuits, short signal paths, and high-quality components.
IA 100 (Integrated Amplifier 100) represented the top tier of their integrated line.
Internal Construction: Class AB with a Hitachi MOSFET output stage.
Power: 75/80 Watts per channel (into 8 Ohms), a substantial 100 W rms continuous for an amplifier of the era, capable of easily driving even demanding speakers.
Dynamics: Great ability to handle sudden musical peaks without sounding harsh.
Timbre: Warm but detailed.
Phono Stage: (MM/MC) of excellent quality, highly appreciated by vinyl lovers.
Large toroidal transformer: 300-400 VA
Capacitor Bank: 4 main capacitors of 4700 µF at 50 V
Frequency response: 10 Hz - 40 kHz
Craft Production: A.C. Magnum assembled the circuits often in small batches. This is batch number 11 77
The Hitachi MOSFETs: 2SK134 / 2SJ49 - famous for having a much higher perceived power than stated, thanks to their ability to handle high currents.
Details
Era
1900-2000
Brand
MAGNUM
Model
IA-100
Multiple models
No
Physical condition
Very good
Number of objects
1
Includes
Power supply
Year of manufacturing
1989
Weight
7 kg
Functional condition
Tested and working/playable
Height
8 cm
Width
37 cm
Depth
30 cm
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