LM-Mini 84IA Vacuum Tube Integrated Amplifier
- Amplifier Type: Vacuum Tube Integrated Amplifier
- Circuit Design: Single Ended Class A
- Power Output: 3 W + 3 W
- Tube Complement: 2 × 12AX7, 2 × EL84
- Output Transformer: Custom Wound Output Transformer
- Analog Inputs & Outputs: 1 × Line In (RCA, L/R), 1 × Tape Out (RCA, L/R)
- Speaker Outputs: Stereo (L/R), Gold Plated 5 Way Binding Posts
- Taps Per Channel: 4 - 8 Ω
- Headphone Output: 6.35 mm (1/4") Stereo Jack, Front‑Panel, mode‑selectable

LM-Mini 84IA Vacuum Tube Integrated Amplifier

True Tube Tone, Intimate Listening
The LM MINI 84IA is a compact Single Ended Class A tube integrated amp for desktop near field listening. EL84 tubes deliver 3W per channel, hand wired for warm authentic tube sound. One touch speaker/headphone switching, great for desktop Hi Fi setups.

Electronic Specifications
- Power Output: 3 W + 3 W
- Frequency Response: 20 Hz – 50 kHz (-1.5 dB)
- THD: 1% (1 kHz)
- S/N Ratio: 85 dB
- Input Sensitivity: 240 mV
- Input Impedance: 100 kΩ
- Output Impedance: 4 - 8 Ω
- Power Requirements: ~ 115 V/120 V/220 V/230 V/240 V ±5% (50 Hz / 60 Hz)
- Tube Complement: 2 × 12AX7, 2 × EL84
- Power Consumption: 45 W
- Working Conditions: Temperature: 0 ℃ – 40 ℃; Moisture: 20% – 80%
- Storage Conditions: Temperature: -20 ℃ – 70 ℃; Moisture: 20% – 90%
Weights & Dimensions
- Dimensions (W × D × H): 175 mm × 190 mm × 132 mm (6.89" × 7.48" × 5.20")
- Net Weight: 5 kg (11.02 lb)
Application
- Daily leisure: Vinyl records, Hi‑Fi music appreciation, background listening
- Home audio: High‑fidelity home listening room, dedicated audio corner
- Audiophile session: Music appreciation gatherings, record sharing parties
- Work & creation: Music production evaluation, audio tone reference
- Relaxation time: Late‑night listening, quiet immersive music enjoyment
Design
- Type: Vacuum‑tube integrated amplifier
- Chassis: Sturdy metal chassis, classic retro layout
- Transformer: Hand‑wound EI output & power transformers
- Tube complement: Swappable vacuum tube sockets
- Construction: Point‑to‑point hand‑wired build
- Finish: Brushed metal
Analog Inputs & Outputs
- 1 × Line In (RCA, L/R)
- 1 × Tape Out (RCA, L/R)
Speaker Outputs
- Stereo (L/R), Gold Plated 5 Way Binding Posts
- Taps Per Channel: 4 Ω - 8 Ω
Headphone Output
6.35 mm (1/4") Stereo Jack, Front‑Panel, mode‑selectable

One‑year warranty for the complete unit, and six‑month warranty for vacuum tubes.
Products purchased online or from authorized local dealers and still within the warranty period are eligible for warranty service upon presentation of a valid purchase receipt.Purchases made from unauthorized dealers are NOT eligible for warranty service.
Call us: (+852) 8480 1098
Email : info@lm-audio.com
Classic Single‑Ended Class‑A Topology, Pure EL84 Tube Timbre
This amplifier adopts single ended Class A circuit topology. Two EL84 power tubes are deployed for power amplification, while two 12AX7 tubes handle voltage amplification at the input stage. It delivers full bodied and natural sound with smooth mellow midrange and well defined elastic bass, faithfully reproducing the unique musical charm and warm sonic character of classic tube amplifiers.

Direct Replaceable Power Tubes for High Audiophile Playability
Stock fitted with EL84 power tubes, the amplifier is compatible with equivalent tubes including 6P14, 6BQ5 and N709, requiring no circuit modification for tube rolling. Enthusiasts can tune the tonal signature by swapping tubes for personalized listening enjoyment.

Dual Mode Headphone / Speaker Output, Multi Purpose Design
A front panel mode selector allows quick switching between headphone and loudspeaker output. It functions both as a tube head amplifier for headphones and a power amplifier for high sensitivity bookshelf speakers, perfectly suited for desktop listening and music playback in compact sized rooms.

Premium Grade Components & Hand Wired Point to Point Construction
It is equipped with Z11 core toroidal power transformer and audio grade EI output transformer. Separated component layout effectively suppresses electromagnetic interference. High quality audio grade potentiometer and premium audio coupling capacitors are utilized throughout. Hand wired point to point soldering guarantees pristine signal transmission and outstanding long term operational stability.

Compact Elegant Chassis for Versatile Application
Aluminum front panel paired with piano lacquered cabinet. Its compact form factor fits seamlessly on desktop setups. A detachable metal tube guard is supplied as standard, balancing heat dissipation and operational safety. Compatible with 4 Ω - 8 Ω loads, it works with the vast majority of commercially available loudspeakers and headphones.






