Luxman l 31 brochure

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ULTIMATE HIGH FIDELITY STEREO COMPONENT MODEL L-31

BHMIIRDU 31]

SOLID STATE'STERED INTEGRATED AMPLIFIER

A NEW LUXMAN AMPLIFIER GIVING OPTIMUM
PERFORMANCE AT A MINIMUM COST

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The L-3I was desrgned to seek the best cost per-
lormance and to attam srmplrcrty yet retarnrng

the necessary features for true Hi-Fr from the view-

pornt of practical use alter an exhaustrve revrew or
current amplrlrers m terms of both crrcurt and
tuncti0n

CIRCUIT

The bastc power amplrlrer sectron employs
complete drrect-coupled D C output amplrlrer
crrcurtry Wrth drllerentral drrvmg utrlmng 4 4
dual rarl power supply to ensure a large damprng
lactor down to the ultra low lrequencv range for
drrvrng the loudspeakers ettrcrentlv

The Output stage consrsts at by now mandatory
pure complementary clrcurt wuh combrnatuon of
PNP and NPN trans-storst Thus crossover drstor
tron rs kept extremely low, whrle hujt relrahrlrty

rs realrzed by means 01 T03 transrstors wrth good
heatdrssmatron. At the same trme the transrstors
of hrgh cut-off frequency at the duvet-stages
suppress drstortron rn the treble range The brggest
problem rn the pre-amplrfrer sect-on Ices In no-se.
whrch was solved by u5tng ultra low norse transrs-
tors and resrstors rn add-tron to low leakaqe elecA
trolytrc capacrtors

The eouahzer stage rs composed by 2 stage drrect
coupled flmleIlet ol PNP and NPN tranSIstors,
wh-ch ensures excellent lmear-ty and sulfrcuent
phono overload voltaqe ol 150an (1 KHz, RMS.
phonol

Independent tOne-control of the well-known
LUX excluswe NF type as provrded for both trth
and IF" channels, wh05e mechamcal centre pornt
otters u trur- llat lrequr-ncy response

The overall harmonrc drstortron at the pre and
mam-amplrlrer rs no more than 005" and IN!
dustortron .5 also no more than 0 I . Whule the
SN HIIIO at PHONO exteetls 64(18

The annexed accessorres rmperotavo lor dolly use
are provrded such as tape monrtor Crrcull, DIN
tar)" connector, speaker selector, etc

STYLING

Mr-trculous care rs pared to the vrsual appearance
and desrgn to weld an Image of hrgh class aud-o
component. An alummrum extruded front panel
at quht gold rs housed I" the massrve wooden case
I" perfect harmony wrth metal and moulded
knobs. whereas an attractrve escutcheon as placed
at the tone control and lever swrtches Needless to
say the result 01 human anH'IPCrlng :5 taken rnto
account and all the controls are arranged fer the
easlest operation

1-1.1CHOME,SHINSENRI-NISHIMACHI,TOYONAKAVSHIIDSAKA,JAPAN. PHONE

SID-V'JLI'V SOII'I t-l SAl'( Ir I.p{ Alt} '1

Mu-n'. SIN'H h lDWI; HI

Hr'tntn'wlr'rr Lure IPH()NEI

L_.

r__

Buss LrVv-l Lu-rtrol
lUASSl

7' ll :Vlv.

|rvt'.vr' 5r lr't IleI Saw '-

rTHlHlé

Fl l t l I"'[I

Volume Control WOLUMEI

- Mode Sew-(tar Smtrn

Loudness Sw-tch lLUUDNESSJ
mun Cut Ftllur IHIOH an:
L Low Lot Fun-r rLUW (2U I l

Tatrr- Mtzrntgr SWtt h IMONI HIIHI

I..tr- CIVHI'ILQ tt'rr tfiONNEL' I OH]

Earth Turnmnul G'VD

AUX I TNVVYIIJI

SPECIFICATIONS
RMS Output Powier

Total Harmonrc Distortion:

L

3- TLINE H Irr'hrHJ

PHUNO T-rrrrmm

Mu" lttrr Trrrrturldl

HE C 0U T varrtmal

Al lX 'J Turmrntrr

Speaker Iermmal lMorn)

Spuai .91 Tenn-rm! lFet'MNrl

Mans Curt

38W138W l851,Iroth channels drrven)
no more than 0 05% (81! 38W)

Rated I.M.:

Power Bandwrdth:
Frequency Response:
Input Sonsrtrvrty

Input Impedance

S/N Ratro:

Flesrdual Noise.

Tone Control

DamprngflF actor:

Trangstors 8r Diodes:
Power Consumptron
Etmnsrons:

weight:

no more than OIn 183138WI

IO

PHONO fairy
AUXI 150"!

mono 50m!

SOKHz l , 3dB less than 0 1%)
IS BOKHzl ldBl

TUNER ISOmV
AUX? 130mV

TUNER mme than BOKI:

AUX It 7 more thtln 60K

PHONO mom than 64:18
AUX It 2 mrrretlmr183dB

87d},

MONITOR more than 60K£2

TUNER more than 83dB
MONITOR more than 83dB

LUX lype NF tone Control
Hugh Cut 7KH2 6dBl0Ct

more than 90 (Bin

Low Cut 70H! 6d8roct

Tape Mommr simmn, Toma Control, Mode Selector Swnch,
Volum» Control, Speaker Selector SWItch, DIN Connector

TRANSISTORSINLrDlODVESl8) ZENER oroossm. LEDlll

I 70W (81!, max output, both channel dr-venl

rsowmsxx, ULr.1r:dl

440mm lI73r8) W x 160mm (6-5'16) H x 225mm (8 7(8"l 0

Net 7Kgs HS 4 lbs)

Gross 8K5 (I7 6 lbs I

Specalrcntrons and appearance desagn subloct to poss-blo change wathout notlce

LUX CORPORATION, JAPAN

067834 2222

CABLE LUXELECT OSAKA TFLEX

Prs'rtetl rn Japan

J63694