ALLNIC AUDIO HPA-5000 XL Owner's Manual - Page 6

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INITIAL POWER-ON

Once you have your HPA-5000 in place and all connections

have been made to your source, you are ready to turn on the

power for your HPA-5000. Before you power up the HPA-

5000, though, be sure you have:

•

removed ALL the cushion materials from inside the tube

chimneys.

•

turned the volume control of the HPA-5000 down to zero

by rotating the single knob on the front of the HPA-5000

counterclockwise until it stops.

• checked that all your connections are snug

To turn on the HPA-5000, press in the button switch on the

right of the front panel. Pressing the power button again will

power down the HPA-5000 (See Figure 2). Above the

headphone jack is a light that indicates that the jack is "live".

The light illuminates at power on.

OPERATION

Operation is straight-forward. Volume is controlled by the

volume knob and inputs are selected with the input button,

as explained above.

When you are finished listening, first turn off your HPA-5000

by pressing the power switch on the right hand side of the

unit's front panel; then turn off your sources.

In the case of any failure, please contact Allnic Audio USA

for assistance.

TUBES

The HPA-5000 uses the following tubes (See Figure 4):

• Four (4) x NOS 7233 triode

• Two (2) x NOS E180CC double triode

• Two (2) x NOS 6AN8 triode-pentode

All consequences of changing or attempting to change tubes

are borne by the user unless by express agreement

between the owner and Allnic Audio USA. Allnic Audio and

Allnic Audio USA are not liable in any way whatsoever for

any injury or loss incurred by the user or for damage to the

HPA-5000, any of its parts, or tubes or replacement tubes

resulting from the user changing or attempting to change

tubes.

TUBE BIAS

Tube bias is monitored by viewing the meter for each of the

right and left channels, located on the top of the chassis (See

Figure 4). Bias is correct if the meter's needle is in the center

section of the meter, between the green and red sections. Tube

biasing, if required, is performed by using a small screwdriver to

rotate the yellow bias screw directly above the relevant meter

so that the meter needle is in the center section of the meter,

between the green and red sections.

SPECIFICATIONS FOR THE ALLNIC AUDIO HPA-5000

HEADPHONE AMPLIFIER

Inputs:

Headphone Output:

Frequency Response:

Voltage Gain:

Optimum Headphone

Impedance:

Output Wattage:

Maximum Input

Voltage:

THD

(Total Harmonic

Distortion):

S/N Ratio:

Power Consumption:

Tubes:

Two (2) pairs unbalanced (RCA)

One (1) one-quarter inch (1/4")

20Hz ~ 20KHz (±0.3db)

+28dB

Thirty (30) to fifty (50) ohms

Five (5) watts

Five (5) volts RMS

Less than 0.03% (1KHz, Output 1V)

-68db (CCIR, 1KHz)

70 Watts

6AN8 – New Old Stock – first gain

stage – no equivalents

E180CC - New Old Stock -

Second gain stage - approximately

electrically (not sonically) equivalent:

CV8431, 7062, 5965, 12AV7, 6414,

6829

7233 – New Old Stock – no equivalents