Luxman K-03

Published: September 7, 2021
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The Luxman K03 is a rare later sibling to the famed K-05 and K-04 recorders. The deck is three motor/three heads design with manual assisted calibration and is regarded by many audiophiles as one of the best decks ever made. It was first sold by Luxman in 1984 with a list price of USD $1,200 and discontinued 4 years later in 1988. Most of the Luxman K-03 is identical to the K-04 but for the CTS automatic tape calibration and the absence of pitch control. It is in fact a K-04 without L/R EQ calibration, without pitch control, but with visual redesigns and reorganizations and added subsonic filter and demagnetizer functions.

luxman k-03

Dolby C-type used in the K-03 provides 20 dB of noise reduction above about 1,000 Hz, fully doubling the amount given by B-type. A Subsonic filter is provided in the K-03 to prevent infrasonic signals generated when playing a warped record. These signals can upset the Dolby system and prevening it from functioning properly. The 19kHz multiplex pilot slgnal present in FM stereo broadcasts can cause false triggering of the noise reduction system. The switchable MPX filter of the K-03 filters out the pilot signal, and assuring proper Dolby processing of FM stereo programs.

Main features

  • 3 heads
  • off-tape monitoring
  • digital linear tape counter with 4 digits
  • manual tape type selection
  • capable of handling normal, chrome and metal tapes
  • dual capstan transport


  • Tape speed:     4.8 cm/s
  • Heads:     1x 3-layer laminated sendust for record
  • 1x Hot Isostatic Press ferrite for playback
  • 1x dual-gap sendust & ferrite for erase
  • Motors:     1x DD-FG Servo core/brush/slotless DC for capstan
  • 1x DC for reel drive
  • 1x DC for head-housing lifter
  • Wow & flutter:     <0.025 (WRMS)
  • THD:     1,3% (1Khz, 160nwb/m)
  • Real Analyzed distortion:     0,6% (1Khz, 160nwb/m)
  • Inputs:     150mV (line in)
  • Outputs:     540mV (line out)
  • FF/Rew speed:     85s (C-60)
  • FF/Rew high speed:     50s (C-60)
  • Frequency Response CrO2:     15-27,000 (-25 dB) HZ
  • Dimensions:     45.3 x 16.3 x 36.5cm
  • Weight:     11.1kg (K-03)

Luxman K-03 documents

Repair service manual

Need a copy of the service manual or schematics?
Download the Luxman K-03 service manual (PDF).

Luxman K-03 value and price guide

What's your Luxman K-03 worth in 2022? Here are some recently sold items with prices.

Item Title Date Price
Luxman Luxman k 03 k 04 k 05 Bulbs Luxman K 03 K 04 K 05 Bulbs Lamps 12/2021 $12
no pictureSee all sold items on eBay for more prices01/2022-.--

Luxman K-03 forum

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