ORPHEUS Three User manual

ORPHEUS THREE
USER MANUAL

ORPHEUS THREE 1
INTRODUCTION
CONTENTS
•Introduction................................................2
•Front panel description...............................3
•Rear panel description - Mono....................4
•Rear panel description - Stereo..................5
•Connections - Mono...................................6
•Connections - Stereo .................................7
•Operations.................................................8
UNPACKING
First check and identify the contents of your Or-
pheus Three package, as listed below :
•Orphe us Three power amplifier
•Power cord
•Orphe us Three user manual
•Warranty registration card
If any item should be damaged or missing, please
inform your supplier without delay.
Keep the packing materials, you may need it to
transport the unit in the future.
READ THIS BEFORE OPERATING YOUR UNIT
•Please read this manual carefully, to assure
proper operation and the best possible perfor-
ma nc e.
•Switch off the unit before connecting or dis-
connecting any input or output wire.
•Do not touch the inner pins of rear-panel
connectors, electrostatic discharge may cause
permanent damage to the unit.
•Choose the installation location for the unit ca-
refully. Avoid placing it in direct sunlight or
close to a source of heat. Avoid also locations
subject to vibration and excessive dust, heat,
cold or moisture.
•To reduce the risk of fire or electric shock, do
not expose the unit to rain or moisture.
•Do not use force when operating switches,
knobs and other controls.
•Do not open the chassis or attempt to make
repairs by yourself, as this may result in da-
mage to the unit or electrical shock. If a foreign
object should get into the unit, contact your
local dealer.
•When planning not to use the unit for a long
period of time, it is advisable to disconnect the
power plug from the wall outlet.
•The power switch does not disconnect the
complete unit from the main line.
•To prevent lightning da mage, disconnect the
power plug when there is an electrical storm.
•When moving the unit, be sure to first discon-
nect the power plug and all wires connected
from the unit to other equipment.
•When disconnecting the power plug from the
wall outlet, always pull directly on the plug, ne-
ver pull the cord itself.
•Do not attempt to clean this unit with water or
chemical solvents, as this may damage the
unit or the finish. Use a clean, dry cloth.
•Keep this manual in a safe place for future re-
ference.
ORPHEUS THREE 1
FRONT PANEL
1
1. MAIN POWER INDICATOR
Lights red when the unit is switched on and
operating.
Blinks red during the self-test procedure
(approximately 2 seconds) after switching on
the unit.
Indicator light is off when the unit is switched
off.

ORPHEUS THREE 1
1 2 4 53
1. INPUT SELECTOR SWITCH
Press the switch either to the left to select the
unbalanced input or to the right to select the
balanced input.
2. INPUT
Balanced and unbalanced input connectors.
3. OUTPUT
Dual output connectors in parallel.
4. INPUT VOLTAGE SELECTOR &
FUSE RECEPTACLE
The input voltage selector switch configures
the unit to the line voltage of the country where
it is used.
The main fuse is located in the fuse recepta-
cle. If it has to be changed, replace it by a T5A
slow-blow fuse.
5. POWER SUPPLY & POWER SWITCH
Power cord connection and main power
switch.
REAR PANEL - MONO
ORPHEUS THREE 1
2 3 6 7
6. INPUT VOLTAGE SELECTOR &
FUSE RECEPTACLE
The input voltage selector switch configures
the unit to the line voltage of the country where
it is used.
The main fuse is located in the fuse recepta-
cle. If it has to be changed, replace it by a T5A
slow-blow fuse.
7. POWER SUPPLY & POWER SWITCH
Power cord connection and main power
switch.
4. OUTPUT RIGHT
Right channel output connectors.
5. OUTPUT LEFT
Left channel output connectors.
1. UNBALANCED INPUT
Unbalanced input connectors.
2. INPUT SELECTOR SWITCH
Press the switch either to the left to select the
unbalanced input or to the right to select the
balanced input.
3. BALANCED INPUT
Balanced input connectors.
1 54
REAR PANEL - STEREO

ORPHEUS THREE 1
CONNECTIONS - MONO
Input for one balanced
or unbalanced channel,
e.g. right or left channel
from preamplifier
Dual output, e.g. right or
left channel to loud-
speaker single or bi-
wired
ORPHEUS THREE 1
CONNECTIONS - STEREO
Balanced input,
e.g. right and left
channel from
preamplifier
Output right,
e.g. right
channel to
loudspeaker
Unbalanced in-
put, e.g. right and
left channel from
preamplifier
R L
R : right channel
L : left channel
R L
Output left,
e.g. left
channel to
loudspeaker
R L

ORPHEUS THREE 1
OPERATIONS/ SPECIFICATIONS
TECHNICAL DATA - ORPHEUS THREE M
Max Power :150 W RMS
Sensitivity : 1 V RMS for an 8Ωload
Voltage gain
+ 39.70 or + 32.00 dB @ 16Ωload
+ 34.40 or + 30.70 dB @ 8Ωload
+ 27.10 or + 28.70 dB @ 4Ωload
+ 17.20 or + 24.70 dB @ 2Ωload
Measure reference : 1W in an 8Ωload = 0dBr
THD+N @ 0dBr : 0.007%
THD+N @ -30dBr : 0.070%
THD+N @ -60dBr : 1.700%
Dynamic range : 95dB
Signal/noise ratio : 95dB
Residual noise: 46µV RMS (A-weighted)
Measure reference : 30W in a 4Ωload = 0 dBr
THD+N @ 0dB : 0.006%
THD+N @ -30dBr : 0.016%
THD+N @ -60dBr : 0.350%
Dynamic range : 109dB
Signal/noise ratio : 109dB
Residual noise: 38µV RMS (A-weighted)
Idle Power from main: 27 W RMS
Max Power from main: 350 W RMS
© Orpheus Laboratories Sàrl - 2002
May 2002 - rev. 1
QUICK GUIDE
CONNECTION
Connect the input cable from the preamplifier first,
followed by the output cable to the loudspeakers,
and finally the power cord.
INPUT FORMAT
Select either the unbalanced input on RCA
connector or the balanced input on XLR connec-
tor by flipping the switch left or right respectively.
POWER ON
Flip the main power switch at the back of the unit
from 0 to I.
The main power indicator on the front panel will
light red and then green when ready for operation.
TECHNICAL DATA - ORPHEUS THREE S
Max Power :40 W RMS
Sensitivity : 550 mV RMS @ 40 W output @ 8Ω
Voltage gain
+ 39.50 or + 31.90 dB @ 16Ωload
+ 34.40 or + 30.70 dB @ 8Ωload
+ 27.30 or + 28.70 dB @ 4Ωload
+ 17.40 or + 24.80 dB @ 2Ωload
Measure reference : 1W in an 8Ωload = 0dBr
THD+N @ 0dBr : 0.029%
THD+N @ -30dBr : 0.110%
THD+N @ -60dBr : 2.700%
Dynamic range : 91dB
Signal/noise ratio : 91dB
Residual noise: 80µV RMS (A-weighted)
Measure reference : 30W in a 4Ωload = 0 dBr
THD+N @ 0dB : 0.006%
THD+N @ -30dBr : 0.066%
THD+N @ -60dBr : 0.570%
Dynamic range : 105dB
Signal/noise ratio : 105dB
Residual noise: 62µV RMS (A-weighted)
Idle Power from main: 15 W RMS
Max Power from main: 350 W RMS
ORPHEUS THREE 1
OPERATIONS
DEALER/DISTRIBUTOR
© Orpheus Laboratories Sàrl - 2004
March 2004 - rev. 2
COMMENTS
Constructive feedback is always welcome.
Please feel free to forward us your comments at
the address listed below or to your local dealer or
distributor.
TECHNOLOGY & DESIGN
The unit has been entirely manufactured and as-
sembled in Switzerland; conceived by ANAGRAM
Technologies SA and designed by Chiarini De-
sign.
IMPORTANT NOTICE
Orphe us Laboratories Sàrl reserve the right to
make changes to their products or discontinue
any product or service without notice. Adequate
operating safeguards must be used to mini mize
hazards. Reproduction of user manual information
is permissible only if it is without alteration and is
accompanied by all relevant conditions, limitations
and notices. Source must be clearly identified
when reproducing user manual information.
ADDRESS
ORPHEUS Laboratories Sàrl
ZI le Trési 6A
1028 Préverenges
Switzerland
[phone] phone
[phone] fax
[e-mail]
www.orpheuslab.com