LA Audio P-845 User manual

READ THIS MANUAL CAREFULLY BEFORE YOU USE THIS
VACUUM TUBE AMPLIFIER KEEP IT FOR FUTURE USE.
MONO POWER AMPLIFIER
P
-
845
L A
Audio
LA AUDIO ELECTRONIC CO LTD.,
9F 1 NO 37 HSI TSARNG ROAD TAIPEI TAIWAN
WWW laaudio com tw
TEL [phone] FAX [phone]
-.
...
:+ - - :+ - -
L A
Audio
INSTRUCTION

.1 POWER 230V 115V 50Hz 60Hz
OUTPUT POWER W
3 FREQUENCY RESPONSE Hz Hz
4 SIGNAL TO NOISE RATIO 85dB
5 OUTPUT IMPEDANCE 0 4 8
6 TOTAL HARMONIC DISTORTION 1 5 1KHz
7 CONSUMED POWER W
8 VACUUM TUBE 6SL7 1 6SN7 1 300B 1 845 1
9 DIMENSIONS W D H CM 21
WEIGHT 17Kg
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. ： Ω-- Ω-- Ω
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2
K
35
20 28
190
30 47
≤
10
12
1 POWER SWITCH
2 INDICATOR
.
.
VACUUM TUBE POSITION
A POWER TRANSFORMER
B
C
V1 6SL7
V2 6SN7
V3 300B
V4 845
:
:
:
：
:
:
OUTPUT TRANSFORMER
CONDENSER
:
REAR PANEL
1 AC POWER INPUT JACK
2 CHANNEL OUTPUT TERMINAL
.
.
1
2
3
AC115V 60Hz
AC230V 50Hz
/
/
SPEAKER
SPECIFICATIONS
POWER
LA Audio
R A34329
IN 84 0ΩΩ Ω
CONNECTION
WARNING
To prevent fire or shock hazards Do not expose the unit to rain or
moisture
,
.
To avoid electrical shock, Do not open the case. Refer to certificated
professional only. For your safety, please pay attention to the marks of
safety and the advise of preventing electricity.
Advice of LA-AUDIO
This machine is designed based on original circuit of vacuum tube, and
all of compounds were designed based on the requirement of the high-
voltageas well.The modification is not allowed for any reason, we will not
accept any modified machine for the warranty.
Before operating the machine, please check the voltage whether conforms
to your demands. Please select your needed voltage for 230V or 115V. Plug
the electron tube to the specified outlet according to following drawing
number.Connect the loudspeaker and the output terminal of the machine
and the signal cord at the same time. Then turn on the machine, if there is
any anomalism occurred while the machine is operating, (EX: smoking,
peculiar smell and vacuum…. etc) please turn off the power and contact
your dealer or our company immediately.to
Operating Instruction
CONTROLS
FRONT PANEL
3 RCA SIGNAL TERMINAL.
SPEAKER
PRE
B
A
V1
V2
V3
V4
C
Mono Power Amplifier P-845
Mono Power Amplifier P 845-
AC115V 60Hz
AC230V 50Hz
/
/
SPEAKER
R A34329
IN 84 0ΩΩ Ω
Mono Power Amplifier P 845-