Luxman sq 507 x owners manual

Page 1

m *sa 5©7x

SOUD STATE STEREO INTEGRATED AMP. OPERATION MANUAL

Page 2

THANK YOU FOR YOUR PATRONAGE ONTO LUXMAN SOSO7X

The SQSO7X is the newest transistorized premain amplifier
with full advantages yielded by the very circuitry the-
oretically regarded as the best one under exhaustive study
of LUX's engineering and designing.

The SQSO7X is specially designed as an upgraded model of
SQSOSX based on the styling of the renowned 30507
with the similar circuitry to that of SOSOSX. The 50507
has the output 50W x 50W (8 ohm both channels driven)
against 30W x 30W of SQSOSX.

Main amplifier section integrates full stage direct coupling
circuit without output condensers by adoption of dual
power supply system
dampling factor and power character even to the extreme

in order to procure sufficient

low end frequency. The output stage with pure comple-
mentary system completely eliminates cross-over distortion.
The fore-stage adopts 2-stage differential amplifiers which
ensure very stable performance eliminating the unpleasant
shock-noise at switching the mains power.

equipped with 3-stage direct
Combination of

Preamplifier section is
coupling circuit at equalizer
PNP-NPN-PNP transistors
power utilization ensures the maximum linearity The
PHONO terminals are designed to have the withstand input

voltage 300mV iKHz in view of dynamic range of various

Stage.
inherently superior in mains

programme sources. The silicon transistors of ultra low
noise figure are adopted against noise characteristics

throughout whole stages.

MAIN AMPLIFIER
RMS POWER

THD

INTER MODULATION
DISTORTION

POWER BANDWIDTH
FREQUENCY
RESPONSE

INPUT CONNECTOR

DAMPING FACTOR

RESIDUAL NOISE

PRE AMPLIFIER

FREQUENCY
RESPONSE

THD

INPUT SENSITIVITY

INPUT IMPEDANCE

S/N RATIO

PERMISSIBLE INPUT
VOLTAGE IMaxJ
TONE CONTROL

FILTER

BASS BOOST:
OTHERS
TRANSISTORS, ETC.

ANNEXED
CONTROLS

POWER
CONSUMPTION
DIMENSIONS

WEIGHT

50/50 watts (an both channels driven)
60/60 watts (89 one channel driven)
less than 0.04% (89., 50W)
less than 0.04% (80., 50W)

5H2 -- 50,000Hz, -3dB, 0.04%
10Hz »- 60,000Hz, less than -1dB

SENSITIVITY: 560mv,
IMPEDANCE: 50Kfl
40(89), BOIlS-fl)

less than 1mV

10 - 50,000Hz. -1dB (aux-4)

less than 0.05% (auxil, 1KHz, 1v)
phone-1, phone-2: 2mv

aux-1: more than 90mv.

aux-2, aux-3: 90mv

phOnO'I: 30K/50K/100Kn (selectable)
phone-2: SOKI'Z

aux-1: 50KB, aux-2, aux-3: 200KB.
phone-1, phone-2: better than 63dB
aux-1, aux-2, aux-3: better than 80dB
phono: 300mV,

LUX TYPE NF
selection

Bass: defeat, 150, 300, GOOHz '
Treble: defeat, 6K, 3K, 1.5KHZ

Bass cut: 70H: (-SdB/oct.)

Treble cut: SKHz (~6dB/oct.)

100Hz I6dB/oct.)

turnover frequency

SILICON TRANSISTORS I33), DIODES
l2) VARISTERS (4)

Attenuator I-18dB), speakers Mitch
(main/remote)

Tape monitor (2 sets), pre/main amp
separator, headphone jack, etc.

200 watts (maximum output, 89, both
channels driven)

160mm (S-5/16")H, 450mm (17-3/4")W,
268mm (10-9/16")D

'II kgs (22 Lbs)