The LM-845IA integrated amplifier is an evolution Line Magnetic’s popular LM-518iA amplifier. Using 845 valves in a single ended design, it delivers 22 watts per channel in Class A.

The use of high quality components, EI transformers for power supply and output and isolated, point to point wiring ensures that this amplifier delivers great single ended sound from the 845 valves.

Bias adjustment is made easy with a built in meter.

The use of the legendary triode 845 offers a special listening experience and its power and current capacity allows the LM-845iA drive a very wide range of speakers.


Hand-made construction with the finest point-to-point wiring
Easy bias control with a top mounted meter.
SoftStart and time-delay circuit – 30 seconds
EI power supply and output transformers with wide bandwidth
ALPS volume control and Realcap capacitors
Metal and removable tube guard cage
Infrared Remote control

– Single ended design
– Class A amplifier
– Point-to-point wiring
– High quality components

Tubes used in this amplifier
Input stage: 2x 12AX7
Rectifier: 1x 5AR4
Drivers: 2x 6P3P
Power stage: 2x 845

Tubes supplied         Common replacements
12AX7                         12AX7EH, ECC83, E83CC, CV4004, ECC803, 5751
6P3P                           6L6G/GT, 5881
845                             845 A/B/C

Additional information

Weight 35 kg
Dimensions 36.5 × 34 × 25 cm

Class A amplifier – 2x22W RMS
THD: 1% (1kHz)
Signal/Noise ratio: 87dB (Weighted A)
Frequency response (-1.5dB): 10 – 50,000 Hz
Sensitivity: 220 mV
Input Impedance: 100kΩ
Load impedance: 4/8/16Ω


3x Line inputs RCA (pair)
1x Pre-in input
2x Screw terminals compatible with banana plugs


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