LINE MAGNETIC LM-88iA integrated tube amplifier


The LM-88iA is a push-pull, Class AB Integrated Stereo Amplifier using KT88 output power tubes, 6CL8A and 12BH7 input tubes.

It can operate in either triode or ultralinear modes, allowing the user to can select which one they prefer. Power output for the triode mode is 30 watts and for ultralinear it is 45 watts per channel.

Out of stock


Want to enjoy some other types of power tubes? This amplifier uses very commonly available tubes, giving any tube-roller many hours of enjoyment. The standard KT88 valves can be replaced with most KT variants including KT66, KT70, KT77, KT90, KT100 and also 6550.

With specially designed Z11 core toroid transformers for power supply and EI transformers for output with wide bandwidth, hand made construction and the finest point-to-point wiring, this amplifier will provide fantastic results.

Bias adjustment and control is made easy with a top mounted bias meter.

Some Highlights
– Push-pull design
– Class AB amplifier
– Point-to-point wiring
– High quality components
– Triode/Ultralinear modes

Tubes used in this amplifier
Input stage: 2x 6CL8A (Mullard), 2x 12BH7 (Electro Harmonix)
Power stage: 4x KT88 (JJ)

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
Specially designed Z11 transformers for power supply
Two EI output transformers with wide bandwidth
ALPS volume control and Realcap capacitors
Metal and removable tube guard cage
Infrared Remote control

Tubes supplied         Common replacements
KT88                           6550

Additional information

Weight 30 kg
Dimensions 43 × 36.5 × 22 cm

Class AB amplifier – 2x45W or 2x30W RMS
THD: 1% (1kHz)
Signal/Noise ratio: 88dB (Weighted A)
Frequency response (-1.5dB): 10 – 50,000 Hz
Sensitivity: 200 mV
Input Impedance: 100kΩ
Load impedance: 4/8Ω


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


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