Cantata C50 Amplier
Getting Started Guide
www.resolutionaudio.com +1.415.553.4100
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Safety Information
CAUTION
RISK OF ELECTRICAL SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK,
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
DO NOT REMOVE COVER.
NO USER-SERVICEABLE PARTS INSIDE.
eral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may
be of sucient magnitude to constitute a risk of electric shock to
persons.
e exclamation point within an equilateral triangle is intended to
alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the
product.
• Check that the operating voltage of your unit is identical to that of your local power supply.
• Replace fuses only with identically rated fuses.
• To reduce risk of electrical shock, keep the unit dry and grounded. Do not operate the unit near water.
• If the unit causes RF interference with another product, move one unit or both until the interference is eliminated. If the interference cannot be suciently reduced, cease operation and consult Resolution Audio.
• Clean the chassis, faceplate, and controls with a so cloth lightly moistened with mild detergent solution.
Do not use any type of abrasive pad, scouring powder, or solvent such as alcohol or benzine.
e lightning ash with an arrowhead symbol, within an equilat-
• Do not discard the original box and packing materials. When shipping the unit to another location or for
repair work, repack in original material.
• Do not aempt to service this product. All servicing should be referred to qualied service personnel.
• Do not install the unit in a location near heat sources such as radiators or heat ducts, or in a place subject to
mechanical vibration or shock.
Warranty Information
Resolution Audio warrants the Cantata C50 Amplier against faulty workmanship or defective materials for
a period of three (3) years from date of shipment, with the exception of transport mechanisms. Transport
mechanisms are covered for one (1) year. If a defect occurs within this period, Resolution Audio will repair,
replace, or issue a credit for the product at our discretion. Prior to return, authorization is required. All merchandise must be returned in the original packing material with all accessories. If a product is recalled and it is
not returned within 90 days, the warranty is void. is warranty is not transferable. Resolution Audio assumes
no responsibility for defects resulting from misuse, neglect, improper installation, unauthorized repair, alteration, inadequate packing, or accident. No other obligations expressed or implied shall be assumed by Resolution Audio.
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Unpacking
Aer unpacking your Cantata C50 Amplier, inspect it for any shipping damage and contact us immediately if
any is found. Do not plug the unit into any outlet if you discover any shipping damage.
Please keep all packing materials for future transport of your amplier, and please do not detach the foam from
the inside of the shipping crate. e crate is designed for easy reuse should it be needed and is well-tested to ensure the safety of the device. Shipping the unit in anything other than its original crate may result in damage that
is not covered by warranty. If you require a replacement crate or other packing materials, please contact Resolution Audio.
In addition to the unit itself, the following items are also included: mains power cord, Cantata Link cable, remote control, and (2) AAA baeries for the remote control. To install the baeries in the remote control, open
the cover on the back of the remote, insert the baeries in the orientation shown inside the compartment, and
replace the cover.
Installation
1. Turn o any associated components prior to connecting the Cantata C50 Amplier. is minimizes the
chance of momentary electrical surges disturbing your system.
2. Set the power switch on the rear of the unit to the OFF position, aach the power cord and connect it to your
electrical outlet. (e OFF position is selected when the “O” symbol on the switch is depressed.)
3. Connect the analog outputs of your source device to your C50 amplier via RCA or XLR interconnects.
4. Connect your speakers to the respective outputs on the rear of the amplier.
5. If you are using the Cantata Music Center, we recommend linking the two devices with the supplied cable.
6. Turn on the rest of your system. It is a good habit to turn the amplier on last, and o rst, to prevent surges
and transients from reaching your loudspeakers.
7. Turn on the main power switch on the rear panel of the Cantata C50 Amplier. (e ON position is selected
when the “I” symbol on the switch is depressed.) e unit will begin in low-power standby mode. Press the
standby buon on either the front panel or the remote control. e unit will take a few seconds to initialize.
Volume level is factory-set to a low level (30), then restores to the previous volume level on exiting standby.
8. Change the input of the amplier to match the desired source (A, B, C, D). If your source device is playing
music and all connections are correct, you should hear music. If not, check connections, power, and input
selections again.
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Front Panel
Multipurpose Display
Standby – Toggles the player between normal operation and standby.
In standby, the unit enters a low-power mode while retaining volume and input seings.
Mute – Mutes playback, and blinks the current source and volume level. Pressing again will resume
playback at the previous volume seing.
Volume Up / Down – Pressing these buons increases or decreases the volume level by one step.
Holding these buons will rapidly increase or decrease the volume seing.
Inputs – Chooses from the 4 analog inputs labeled A, B, C, D.
Multi-purpose Display – Displays current input source label leer and volume level. Blinking
indicates the unit is currently in “Mute” mode.
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S/PDIFCDAnalog
0,1,2…9
S/PDIF
Analog
0,1,2…9
S/PDIF
Analog
0,1,2…9
S/PDIF
Analog
0,1,2…9
Analog
S/PDIF
Analog
Analog
0,1,2…9
Remote Control
In addition to the controls found on the front of the Cantata C50 Amplier, the remote control
also contains the following functions:
Display Brightness – Cycles between bright, normal, dim, and o.
In the “o” mode, any other key press will set the brightness to normal
for several seconds, then return to o automatically.
Analog – Cycles between the 4 dierent input channels (A, B, C, D)
For selection of analog inputs on Cantata Series ampliers only.
e functions below apply only to the Cantata Music Center and have
no function on the C50 Amplier.
0,1,2…9
Eject – Ejects a CD from the transport.
Numbers 0-9 – Accesses tracks by number. (CD playback only)
Scan Forward / Back – Moves playback forward or backward.
(CD Only)
Stop – Stops playback. (CD Only)
Pause – Pauses playback. Pressing Pause or Play will resume playback.
(CD Only)
Play - Begins or resumes playback. (CD Only)
Repeat - Cycles between O4Repeat Disc4Repeat Track.
(CD Only)
Switches the unit to USB playback mode.
Switches the unit to UPnP (network storage) playback mode.
S/PDIFCD Analog
r e s o l u t i o n
Switches to playback via the Resolution Audio “Pont Neuf”.
Switches the unit to CD playback.
CD
Switches from any other playback mode to S/PDIF inputs. Pressing
S/PDIF
repeatedly will cycle between AES4Toslink4Coax inputs.
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Rear Panel
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C DD C
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A B
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160 W 100-120 VAC50-60 Hz
1 2 3
4
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B A
Power Connections and Controls
Power Switch – When o, power is completely disconnected from the player.
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Fuse – Replace only with time-lag fuse, IEC 60127 Type 3
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Rating – 100-120 VAC use 1.6 A, for 200-240 VAC use 800 mA
Mains power – Connect to mains using IEC power cord.
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Voltage Indication – Be certain the Cantata C50 Amplier has been congured for your local mains voltage.
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Communications
Cantata Link – Links Cantata series products allowing communications between the units. Use only the
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cable supplied with Cantata series products for this connection.
Analog Inputs
RCA – Connect to unbalanced source. 10 Vrms maximum, 10 kOhm input impedance.
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XLR – XLR female connector, pin 2 non-inverting, pin 3 inverting
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Connect to balanced source. 20 Vrms maximum, 20 kOhm input impedance (10 kOhm per phase).
Analog Outputs
Speaker Output, Right, 4mm Banana
8
Speaker Output, Left, 4mm Banana
9
Observe polarity (red +, blue –). Connect the center (yellow) jack to loudspeaker ground if available.
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Cantata Link
e Cantata Link is a cable which connects the Cantata Music Center and Cantata C50 Amplier together
activating several exclusive integration features between the two devices. When using the devices together, we
strongly recommend that the Cantata Link cable be used.
Note: Use only the supplied cable to connect the devices together. If a replacement cable is required, or a
dierent length is needed, please contact your dealer or Resolution Audio.
With the cable in place, the following features are activated:
1. Centralized remote control functions – e Music Center takes over the task of handling remote control com-
mands, allowing the C50 to be placed out of sight if desired.
2. Mute – Mutes speaker-level outputs in the amplier.
3. Display Brightness – Changes display brightness on both devices.
4. Music Center Input – If you have the Cantata Music Center aached to the C50, choosing a dierent music
source on the Music Center can automatically switch the C50 to the input being used for the Music Center. (See
Music Center Input below.)
5. e Cantata Music Center bypasses its internal volume control, seing its output to maximum. Volume
control is handled exclusively by the C50 when the Cantata Link is detected. While changes in volume level are
displayed on both devices, only the output level of the amplier is changed. Note that if the Cantata Link cable is
not present, the remote control will aect volume level in both units.
IMPORTANT NOTE: Use of the Cantata Link will set the Cantata Music Center output to full volume and
shi speaker volume control to the C50 amplier. If you have an additional amplier connected to the Music
Center, this will result in full-volume output being sent to the other amplier.
Music Center Input
To make use of the automatic source-switching function, the amplier must be congured for the input connected to the Music Center. When input sources on the Music Center are selected, the amplier will switch to
the dedicated input automatically.
To set the Music Center Input, press and hold the respective input buon on the front of the amplier for 5 seconds. e source leer on the display converts to upper case indicating that this is now the Music Center Input.
is seing may be changed to a dierent input at any time.
is seing is saved when the unit is placed in standby mode.
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Thermal Protection
If the amplier temperature gets too high, the amplier will activate thermal protection which consists of the following:
1. e output will be muted allowing the circuitry to begin cooling. Releasing mute is prohibited.
2. e display will blink “Hot” to indicate protection has been triggered.
3. Apart from placing the unit into standby mode and dimming the display, no other actions are permied until the unit
has cooled.
Once the amplier has cooled suciently, it will automatically resume operation in a muted state at the previous volume
level. Normal operation may be resumed by exiting mute.
If the unit consistently overheats, consider relocating the unit for beer air circulation or to a cooler environment.
Specications
Dimensions: 43 x 22 x 5 cm (net) / 54 x 33 x 22 cm (shipping)
Weight: 5.5 kg (net) / 12 kg (shipping)
Power Requirements: Precongured at factory
100-120 / 200-240 VAC, 50-60 Hz
Power Consumption: 160 Was maximum active mode, < 1 Wa standby mode
Inputs:
Balanced: 2 pairs, XLR
Single-Ended: 2 pairs, RCA
Outputs:
Speaker: 1 pair, 4mm bananna
Red – positive (+)
Blue – negative (–)
Yellow – ground (if available on loudspeaker)
Power Output: 50 Was into 8 Ohms
Maximum Gain: +26.5 dB at volume level 100
Analog Aenuation: 0.5 dB steps from -30 dB to maximum
1.0 dB steps from -70 dB to -31 dB
www.resolutionaudio.com +1.415.553.4100
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