Ayre Acoustics Stereo Amplifier V 5XE User Manual

Ayre V-5xe  
Owner’s Manual  
Power Amplifier  
 
Table of  
Contents  
Welcome to  
Ayre . . . . . . . . . . . . . . . . . . . . . . . 2  
Installation . . . . . . . . . . . . . . . . . . . . 3  
Operation. . . . . . . . . . . . . . . . . . . . . 6  
Specifications . . . . . . . . . . . . . . . . . . . 9  
Trouble . . . . . . . . . . . . . . . . . . . . . 10  
Warranty . . . . . . . . . . . . . . . . . . . . 13  
Notes . . . . . . . . . . . . . . . . . . . . . . 16  
Connections and  
Controls and  
Numbers and  
In Case of  
Statement of  
A Place for  
 
Welcome to  
Ayre  
Your Ayre V-5xe offers a significant advance in the  
musical performance of high-fidelity equipment.  
The warmth and immediacy of a live performance  
are apparent from the first listening. The  
combination of superb resolution and a natural,  
relaxed quality will draw you into the music, time  
and time again.  
This level of performance has been implemented  
using the highest level of workmanship and  
materials. You can be assured that the Ayre V-5xe  
will provide you a lifetime of musical enjoyment.  
To our North American customers, please be  
sure to mail your warranty registration card and  
photocopy of your original sales receipt within 30  
days in order to extend the warranty to five  
years.  
2
 
Connections and  
Installation  
The Ayre V-5xe is easy to connect and use. The  
following guidelines will ensure that the installation  
goes smoothly.  
Location  
Do not stack the Ayre V-5xe  
directly with other components,  
as this may restrict the air  
flow or induce hum into the  
audio circuitry.  
A good location for your power amplifier is on the  
floor between your loudspeakers, or in an  
open-backed cabinet, or on a shelf. The Ayre V-5xe  
produces a moderate amount of heat during  
operation. Be sure to provide at least three inches  
(75 mm) of air space above the amplifier.  
It is important to maintain an adequate  
supply of air flow to avoid overheating  
the amplifier.  
Inputs  
The Ayre V-5xe can be driven either by a  
preamplifier or directly from a line-level source  
(e.g., a tuner or CD player) that has a level control.  
There are two sets of input connectors on the rear  
3
 
panel of the Ayre V-5xe. The RCA connectors  
accept signals from unbalanced sources, while the  
XLR connectors are for balanced sources. A small  
toggle switch near the input connectors selects  
either the balanced or unbalanced inputs.  
When you have a choice, a balanced connection  
will offer slightly higher sound quality than an  
unbalanced connection.  
Note that the input selector switch for one channel  
will be in the “up” position, while the other  
channel’s input selector switch will be in the  
“down” position.  
Only one set of inputs (balanced or  
unbalanced) may be connected at a  
time.  
Pass-Through Outputs  
The pass-through output  
connector is wired in parallel  
with the input connector.  
Each channel features a pass-through output,  
supplied via an XLR connector. This allows  
multiple channels to be driven with a single source  
and is especially useful for subwoofers, passive bi- or  
tri-amplification, or distributed sound systems.  
Simply use a balanced cable to connect the  
pass-through output of one channel to the XLR  
input of another channel on the same amplifier, or of  
another amplifier with true balanced inputs.  
The pass-through output does  
not convert unbalanced sources  
to a true balanced signal.  
If you wish to drive an unbalanced amplifier from  
the pass-through outputs, you will need to use  
XLR-to-RCA adapters at the pass-through outputs.  
These are available from your Ayre dealer.  
4
 
¡Attention! — Balanced Outputs  
Do Not Connect Output Terminals to Ground  
V-5 Power Amplifier S.N.  
Unbal  
Input Sel  
Pass-Through  
Output  
Trigger In/Out  
Bal  
Fuse  
-
+
Fuse  
Volts  
50/60 Hertz  
700  
W
Max  
Fuse  
+
-
Fuse  
Pass-Through  
Output  
Bal  
Input Sel  
Unbal  
Boulder, Colorado USA  
A y r e  
Loudspeaker Outputs  
The heavy-duty output  
terminals of the Ayre V-5xe  
work best with speaker cables  
using spade lugs.  
The Ayre V-5xe drives the loudspeakers with  
balanced outputs. Since none of the output  
terminals are grounded, connecting any of them to  
ground may result in damage to the amplifier.  
Do not connect the loudspeaker  
outputs to any speaker switch-box,  
accessory, or test equipment that has a  
common ground connection.  
AC Power  
The V-5xe may be plugged directly into an  
unswitched wall outlet. Although proprietary RFI  
(radio-frequency interference) filtering is built into  
the amplifier, in some situations an AC power-line  
filter (such as those offered by Ayre) may provide  
additional sonic benefits.  
5
 
Controls and  
Operation  
The Ayre V-5xe has a front panel control for normal  
stand-alone operation. The amplifier may also be  
controlled via a “trigger” input in a home-theater.  
Power Switches  
The master power switch on  
the rear panel also  
incorporates a circuit breaker  
that acts as a resettable fuse.  
There are two power switches on the Ayre V-5xe.  
The master power switch on the rear panel is  
normally intended to be left on at all times. The  
front-panel switch selects between the “Standby”  
and “Operate” modes.  
When the master power switch is first turned on,  
the front panel indicator light will glow red for  
approximately one second. During this time, the  
unit is in “Warm-Up” mode and the front-panel  
switch is inoperable.  
Red = Warm-Up  
Green = Standby  
Blue = Operate  
After the circuitry has stabilized, the indicator light  
will change to green, indicating that the unit is in  
“Standby” mode and is ready for operation. When  
the listener presses the front-panel switch, the unit  
is in “Operate” mode and the indicator light glows  
blue.  
6
 
In the green “Standby” mode the output stage is  
turned off, while the input circuitry remains  
powered. This allows the unit to warm up quickly  
for optimal sonic performance, while reducing the  
power consumption from 120 watts to 20 watts.  
Trigger Input  
Use a 1/8" mini-phone plug  
with a positive voltage of  
between +5 and +12 VDC  
at the tip to operate the trigger  
input.  
A trigger input is provided on the rear panel of the  
V-5xe to allow for remote switching between the  
green “Standby” and blue “Operate” modes. The  
two trigger input jacks are wired in parallel. Either  
jack can act as an input or a pass-through output to  
allow for “daisy-chaining” of multiple devices.  
The unit is shipped from the factory in the  
level-sensitive mode, which is compatible with most  
equipment. During level-sensitive operation,  
applying a voltage to the trigger input will turn the  
amplifier to the “Operate” mode. When the applied  
voltage drops to zero, the unit reverts to “Standby.  
7
 
Some equipment instead utilizes pulses as a trigger  
signal. The V-5xe can also accommodate these units.  
To change trigger modes, turn the rear panel switch  
“Off” for about 30 seconds to discharge the internal  
voltages. Then press and hold the front panel switch  
while turning the rear panel switch “On”. The status  
LED will rapidly flash red (about 10 Hz) to indicate  
that the pulse-sensitive mode has been selected.  
Repeating this procedure will revert the unit back  
to the level-sensitive mode, as indicated by the  
status LED slowly flashing red (about 1 Hz).  
In the pulse-sensitive mode, a positive-going pulse  
edge will toggle the amplifier between the  
“Standby” and “Operate” states, duplicating the  
action of the front-panel switch.  
When using the trigger input, the front panel  
switch is still operative. However, operating the  
unit with the front panel switch may put the unit  
out of “sync” with the control device. If this  
should occur, simply press the front panel switch  
again to restore “sync”.  
Break-In  
100 to 500 hours of music  
played through the system will  
ensure full break-in.  
Due to the manufacturing processes used for the  
printed circuit boards, wires, and capacitors, a  
break-in period is necessary for the amplifier to  
reach its full performance potential.  
8
 
Numbers and  
Specifications  
Power Output  
150 watts per channel continuous into 8 ohms  
300 watts per channel continuous into 4 ohms  
Input Impedance  
100 k– unbalanced inputs  
200 k– balanced inputs (100 kper phase)  
XLR Input Polarity  
Pin 1 = Ground  
Pin 2 = Non-inverting (Positive)  
Pin 3 = Inverting (Negative)  
Gain  
Frequency Response  
Power Consumption  
26 dB  
DC - 200 kHz  
20 watts in standby mode  
120 watts in operating mode, no signal  
Dimensions  
Weight  
17-¼" W x 16" D x 7-¾" H  
44 cm x 41 cm x 20 cm  
55 pounds  
25 kg  
9
 
In Case of  
Trouble  
The Ayre V-5xe provides comprehensive protection  
for both the amplifier and your loudspeakers,  
including faults that may occur in your source  
components.  
Overheating  
Sensors located on each audio  
module will shut the amplifier  
off if the heatsink temperature  
reaches 175° F (80° C).  
If the unit is operated at high playback levels with  
insufficient ventilation, the internal temperature  
may become too high, triggering the thermal  
protection circuitry. In this case, the amplifier will  
shut down, the front panel status LED will display  
both the red and green elements simultaneously,  
and the front panel switch will be inoperative.  
If overheating occurs, be sure  
to correct the cause before  
continuing to use the  
amplifier.  
Once the unit has cooled, the red LED element will  
go out, leaving the unit in the green “Standby”  
condition. To restore the unit to the blue “Operate”  
mode, simply press the front panel button.  
10  
 
Rail Fuses  
Indicator LEDs on the rear of  
the unit will glow red when  
one of the fuses fails. Please  
refer fuse replacement to a  
qualified service technician.  
Internal fuses on the power supply rails of each  
channel protect the loudspeakers from excessive  
current, as well as the amplifier from short-circuits.  
There are two rail fuses per channel. If either one of  
the rail fuses fail, that channel will fail to operate.  
The front panel LED will typically continue to  
glow blue if both fuses in one channel fail, while it  
change to red if only one of the fuses fails.  
Therefore the front panel LED is not a reliable  
indicator of blown rail fuses. Instead refer to the  
fuse status LEDs on the rear panel of the  
amplifier.  
Do not remove the amplifier cover.  
Hazardous voltages may exist inside  
the unit.  
Use of rail fuses other than a 5 x 20  
mm fast-acting 10 ampere unit may  
damage the unit and void the  
warranty.  
AC Line Voltage  
If the AC line voltage drops below 80% of normal  
(brown-out), the unit will revert to the red  
“Warm-Up” mode with the outputs muted. After  
the voltage returns to normal, the initial warm-up  
cycle will begin again and the unit will then revert  
to the green “Standby” mode. Press the front panel  
button to return the unit to the blue “Operate”  
mode.  
11  
 
DC Offset  
The Ayre V-5xe incorporates a circuit to detect the  
presence of DC at the output terminals. In this  
situation, the amplifier reverts to the red  
“Warm-Up” mode, and power is immediately  
removed from the output stage.  
After correcting the suspected fault condition, a  
press of the front panel button is required to return  
the unit to the green “Standby” condition. A second  
press of the button will restore the unit to the blue  
“Operate” mode. If the fault is still present when the  
front panel switch is pressed the second time, the  
unit will immediately revert to the red “Warm-Up”  
mode.  
12  
 
Statement of  
Warranty  
North American Warranty  
Your Ayre V-5xe amplifier is warranted against  
defects in workmanship and materials for a period of  
ninety days from the date of original purchase. This  
ninety-day coverage is automatic upon acceptance of  
delivery and no registration is required.  
Additionally you have the option, at no cost, to  
extend the warranty for a period of five years from  
the date of purchase by returning the completed  
Warranty Registration Card and a photocopy of  
your original purchase receipt in the enclosed  
postage-paid envelope to Ayre within thirty days of  
product delivery. This optional warranty is only  
available within the thirty-day registration period.  
North American Warranty Statement  
1. If any defects are found in the materials or  
workmanship of this Ayre product within the  
warranty period, the unit will be repaired or  
replaced by Ayre Acoustics, Inc. (Ayre) or its  
authorized agent.  
13  
 
2. Purchaser must return the product, packed in the  
original shipping carton, freight prepaid to:  
Ayre Acoustics, Inc.  
2300-B Central Avenue  
Boulder, Colorado 80301  
or to Ayre’s authorized agent. The product must be  
accompanied by a written description of the defect  
and a photocopy of your original purchase receipt.  
Ayre will not be responsible for any shipping  
damage and strongly recommends the purchase of  
shipping insurance.  
3. Ayre reserves the right to inspect any product  
that is the subject of any warranty claim prior to  
repairing or replacing it. Final determination of  
warranty coverage lies solely with Ayre.  
Out-of-warranty claims will be billed for labor,  
materials, return freight, and insurance as required.  
Any product for which a warranty claim is accepted  
will be returned to the purchaser and the cost of  
shipping and insurance will be factory prepaid  
within the boundaries of the USA. Units to be  
shipped outside of the USA will be shipped freight  
collect only.  
4. Ayre strives to manufacture the finest possible  
equipment, and therefore reserves the right to make  
improvements on its products, without necessarily  
assuming any obligation to retrofit such changes  
upon its previously manufactured models.  
5. The above warranty is the sole warranty given by  
Ayre, and is in lieu of all other warranties. All  
14  
 
implied warranties, including warranties of  
merchantability or fitness for any particular purpose  
shall be strictly limited to the duration of the above  
warranty. Ayre shall have no further obligation of  
any kind, whether express or implied. Further, Ayre  
shall in no event be obligated for any incidental or  
consequential damages as a result of any defect or  
any warranty claim, whether express or implied.  
6. Ayre does not authorize any third party,  
including any dealer or sales representative, to  
assume any liability of Ayre or make any warranty  
for Ayre. The unit must not have been altered or  
improperly serviced. The serial number on the unit  
must not have been altered or removed.  
7. This warranty is transferable to subsequent  
purchasers within the original warranty period.  
International Warranty  
Warranty terms outside of North America may vary.  
Please contact the authorized Ayre distributor in  
your country of purchase for the terms of warranty  
and also the service itself.  
15  
 
A Place for  
Notes  
Serial Number:  
________________________________________  
Purchase Date:  
Dealer:  
________________________________________  
________________________________________  
________________________________________  
Salesperson:  
16  
Rev. 1.2  
 
 
Ayre Acoustics, Inc.  
2300-B Central Avenue  
Boulder, Colorado 80301  
+1-303-442-7300  
 

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