ALLNIC AUDIO H-3000V User manual

ALLNIC AUDIO
H-3000VPHONO STAGE
OWNER’S MANUAL

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ALLNIC AUDIO
H-3000V PHONO STAGE
Thank you for purchasing this Allnic Audio H-3000VPhono Stage. We are
certain your trust in Allnic Audio and Hammertone Audio, as well as your
appreciation for the sound of this high-quality device, will be rewarded by
its excellent operation for years to come.
Please read this entire manual before you connect the H-3000Vto the
other components of your system and the wall outlet.
252 Magic Drive, Kelowna, British Columbia, Canada V1V 1N2
Direct Telephone: [phone]; Fax: [phone];
Cell: [phone]
email: [e-mail]
Website: www.hammertoneaudio.com
** Information and specifications for the Allnic Audio product
described in this manual are subject to change without notice.

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TABLE OF CONTENTS:
___________________________________________________________________
INTRODUCING THE H-3000VPHONO STAGE 4
___________________________________________________________________
WHAT’S IN THE BOX? 5
___________________________________________________________________
SAFETY 6
___________________________________________________________________
CLEANING
Chassis
Connectors 6
___________________________________________________________________
INITIAL SET-UP
Location, Location, Location
Power Connection
Inputs
Outputs
Moving Coil (MC) Transformer Controls
Impedance Control
A Note On Phase 6
___________________________________________________________________
INITIAL POWER ON 8
___________________________________________________________________
OPERATION 8
___________________________________________________________________
TUBES 9
___________________________________________________________________
SPECIFICATIONS 9
___________________________________________________________________
WARRANTY 10
___________________________________________________________________
TABLES AND FIGURES 10
Please read about SAFETY before you attempt to use the H-3000V- we care
about our customers and the equipment, and we want you to enjoy this
product for a long time!

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INTRODUCING THE H-3000VPHONO STAGE
The H-3000Vis a special version of Allnic Audio’s top of
the line phono stage model. Like all Allnic Audio
products, it uses Permalloy (iron and nickel alloy) for its
transformer cores. Allnic is grateful to Mr. G.W. Elmen
of Western Electric for inventing Permalloy for
transformer core use, and in so doing, providing an
enormous service to recorded music listeners
everywhere.
The H-3000Vhas the following features:
LATEST UPGRADED OUTPUT TRANSFORMERS:
The H-3000Vis equipped with the latest
production, larger output transformers (available
on all H-3000s produced after September 1, 2010
and otherwise available as an upgrade for the H-
3000 from Hammertone Audio).
LCR TYPE PRE-RIAA AND RIAA EQUALIZATION:
RIAA equalization is a specification for the correct
playback of vinyl records, established by the
Recording Industry Association of America. The
purpose of the equalization is to permit longer
playback times and improve sound quality. Before
the establishment of the RIAA equalization
standard, different production companies utilized
different equalization curves.
Vinyl record production equalization is a form of
establishing a flat frequency response for the
playback of recorded music. The necessity for this
equalization process arises from mechanical
difficulties inherent in record production. In order
to prevent the cutting needle from over-cutting into
the next record groove in the bass, as a record is
cut, some bass frequencies are attenuated. In the
treble region, in order for high frequency sounds
not to be masked by the noise inherent in moving a
stylus over and through a modulated vinyl surface,
some treble frequencies are boosted. With the
application of the correct filtering techniques on
playback, the result is a flat frequency response
with better signal to noise ratios.
The H-3000Vis equipped with newly developed
Allnic “Multi-Curve” LCR units (one for each channel)
which have four (4) Turn-overs (frequency options)
and four (4) Roll-offs (gain reductions in dB). These
new units provide for the reproduction of various
recording curves (both for bass attenuation and
treble boost) used by different companies prior to the
establishment of the RIAA standard. There are 4 Turn-
over options, at: 250Hz, 400Hz, 500Hz RIAA and 700Hz.
There are 4 Roll-off options (at 10KHz): -5dB, -11dB, -
13.7dB RIAA and -16dB (See Figure 7).
There are four de-emphasis methods for equalization to
that can be applied at playback:
A. Active filters (Negative feedback types):
Different quantities of negative feedback are applied,
with deeper feedback to the high frequencies and
shallower to the low frequencies. The benefits of this
method are improved signal to noise ratios, low cost and
consistent operation. Some of the shortfalls are looser
bass reproduction and, possibly, a pinched and
compressed high frequency playback due to excess
feedback ratios.
B. Passive filters (CR type):
The frequencies are filtered to fit the RIAA specification by
varying the amount of attenuation at different frequencies
through a complex capacitor-resistor network. This
technique results in no voltage overload, purer
reproduction (because there is no feedback), and more
accurate RIAA compensation. However, there are problems
because the system provides no gain, and insertion loss and
impedance matching issues arise.
C. Hybrid filters (use of both CR and negative feedback
types):
In this method, both types of filters applied separately; an
active filter is applied to the low frequencies and a passive
filter to the high frequencies. Unfortunately, both the
advantages and disadvantages of each of these two types

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of filters, already discussed, affect the playback
system at the same time.
D. LCR filters, which are used in the H-3000V:
Two pieces of a linear reactor (a kind of choke coil)
comprise the main part of these filters, assisted by precise
CR filters, in order to lower impedances and insertion loss.
In vacuum tube circuits, active and passive filters
usually are operated on one hundred plus kilo ohms of
impedance. An LCR equalization filter's impedance is a
constant 600 ohms.
Furthermore, an LCR equalization filter's series
resistance is less than 13 ohms (as a comparative, some
famous ones are 31 ohms). The lower the impedance,
the more dynamic is the sound reproduction, with
better bass response and speed.
But LCR equalization units have drawbacks as well.
These drawbacks are high cost and the difficulty of
impedance matching; the latter has been the primary
hindrance to the commercialization of this superb
method in the construction of phono stage amplifiers.
However, Allnic Audio manufactures high quality LCR
equalization units and has developed a 600 ohms
impedance matching method.
In addition, the H-3000V features:
The H-3000VPhono Stage is all transformer
coupled.
No negative feedback design with only two gain
stages
For superior signal to noise ratios, the H-3000Vis
equipped with pure vacuum tube, high speed,
automatic voltage regulation for each channel and
a power supply unit separate from the phono
stage itself.
High quality MC Step-up Transformers with
Permalloy cores are used for the H-3000V’s dual
MC inputs.
New vacuum tube damping technology – Allnic
Audio’s patented "Absorb GEL tube damper"
technology prevents harmful vibrations from
reaching the signal / gain tubes and, therefore,
prevents micro-phonic noise propagation in the tubes.
The Allnic Audio Absorb Gel damper technology
effectively solves a problem that plagues most tube
amplification systems. Provided other tube
components do not introduce micro-phonic noise into
your system, with the Absorb Gel damping system, you
will enjoy a degree of transparent sound that will
surprise and please you.
Pure Class A operation
Pure balanced operation
As are all Allnic Audio products, the H-3000Vis fully RoHS
(EU Reduction of Hazardous Substances regulation)
compliant in construction and materials
WHAT’S IN THE BOX?
Please check that the shipping box contains the following:
One (1) Allnic H-3000Vphono stage – in natural
aluminum or black, depending on your order
specification
One (1) Power Supply for H-1500 II/H-3000 series –
in natural aluminum or black, depending on your
order specification
One (1) 5AR4 tube
One (1) power umbilical cord
One (1) IEC type power cord
One (1) Owner’s Manual
Note:
1) The H-3000Vphono preamplifier unit ships with
the tubes installed. BEFORE!!! connecting the H-
3000V to the wall outlet, please open the
chimneys and remove the shipping O rings from
the tubes.
2) The power supply ships with the 5AR4 packed
separately. BEFORE!!! connecting the power
supply unit to the wall outlet, remove the power
supply cover and insert the 5AR4 in the socket.
3) The H-3000Vpower supply will work with most IEC
type aftermarket power cords. Of course, only you
can determine the power cord that works most
synergistically with the H-3000Vin your system.
4) Be sure the H-3000Vpower supply unit is labeled
for the AC voltage of your location. If it is not,
please contact Hammertone Audio.

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We advise that you keep the boxes and other packing
materials that your H-3000Vcame in. It will be useful if
you sell your H-3000Vor in the unlikely event you need
to ship it or the power supply for service.
SAFETY!!
BEFORE!!! connecting the power supply unit to
the wall outlet, remove the power supply
cover and insert the 5AR4 in the socket.
BEFORE!!! connecting the H-3000V to the wall
outlet, please open the chimneys and remove
the shipping O rings from the tubes; they are
installed only to protect the tubes during
shipping. The tube chimneys should contain
nothing except the tubes.
Disconnect the power cord by pulling the plug,
not the cable.
Do not attempt any repairs. Do not remove the
units’ chassis covers without specific
authorization from Hammertone Audio.
Keep the power cords away from heat sources
Keep the units away from liquids – do not allow
any liquid to enter the interior of the units.
When the units are moved from a cold to a warm
environment, allow sufficient time for any
condensation to evaporate in both units before
plugging the power supply unit into an AC
connection.
Do not attempt any repairs.
Do not remove the units’ chassis covers without
specific authorization from Hammertone Audio.
See the notes on “Location, Location, Location”.
CLEANING
A. Chassis
Use only a soft, lint-free cloth dampened slightly with
water only (NO cleaning fluids!) to clean the faceplate and
chassis of the H-3000Vand its power supply.
B. Connectors
You may use any good quality contact cleaner
recommended for such applications to clean the contacts
from time to time, as you deem appropriate.
INITIAL SET-UP
A. LOCATION, LOCATION, LOCATION
Like all audio products using tubes, the Allnic Audio H-3000Vand
its power supply need to be placed on a solid stand in a location
that provides good air circulation around both the phono stage
and the power supply.
DO NOT cover the top of the H-3000Vphono stage
or the ventilation slots in the top of the power
supply chassis.
DO NOT drop the units! For those who may want to
place the H-3000Vor its power supply on some kind of
after-market isolation feet or similar devices, dropping
one side of either of the H-3000Vunits, or the whole of
either unit, is not a good thing to do.
DO NOT place the units near a strong light or heat.
DO NOT place anything heavy on the units.
DO NOT allow rubber or vinyl materials to rest on either
units’ chassis for long periods of time. This could
discolour the metal.
DO place the units on a shelf or stand that is stable and
not subject to vibration or sudden shock.
DO consider using a high quality power cord and inter-
connects, for both inputs and outputs. The H-3000Vis a
highly sensitive piece of electronic designed for
neutrality and will output what you put into it.
DO try to place the H-3000Vand its power supply
away from major sources of RFI and EMI; though
well shielded, the H-3000Vunits will function best
away from large power transformers and other
sources of such interference.
B. POWER CONNECTIONS
The H-3000Vpower supply uses a standard three prong
male IEC connection for AC input. You need to use a power
cord with a female three prong IEC connector at one end.
The H-3000Vpower supply connects to the phono stage
itself using the supplied umbilical cable. Connect the units
to each other using the umbilical cable with the
appropriate screw-on connections to the receptacle
labeled “DC Source Input” on the rear of the phono stage
and the connection terminal labeled “DC Source Output”
on the left side of the rear of the power supply (Please
refer to Figures 1 and 2).

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The H-3000Vpower supply you have purchased is set
internally for AC 110/120 volt – 60 HZ operation. There
is no way to change this to another AC setting without
return of the unit to the factory for re-wiring, at the
owner’s cost, including transport both directions.
C. INPUTS
There are two (2) sets of two (2) pairs of single-ended (RCA)
inputs. These two pairs are located in the middle of the rear
of the phono stage (See Figure 1) and labeled “input” in the
middle above them. Each channel pair of inputs is aligned
vertically, with the left channel input at the top and the right
channel input on the bottom. The two left hand pairs of
inputs (facing the back of the phono stage) have an “MC”
label above the two left channel connectors; these are the
two input pairs for a moving coil cartridge. The right hand
pair of inputs has an “MM” label above the left channel
connectors; these are the two input pairs for a moving
magnet cartridge. Each pair of moving coil and moving
magnet connections has a number label between the left and
right channel input connections.
In each case, for both MC and MM connections, the left hand
vertically aligned pair of connections (again, facing the back
of the unit) corresponds to input 1 for the selector knob on
the front panel of the phono stage , while the right hand
vertically aligned pair is input 2.
Between the two sets of MC and MM input connections is
a screw type ground connection pin.
When you are facing the front of the H-3000V, the two pairs
of MC connections are on the right/centre of the unit, with
the two MM connections immediately to their left on the
other side of the ground connection.
The H-3000V has been designed and manufactured to work
most synergistically with Allnic Audio preamplifiers, pre-
phono stages and equalization products.
D. OUTPUTS
The H-3000V is equipped with one pair of unbalanced or
“single-ended” (RCA) outputs and one pair of true balanced
(XLR) output connections. The left channel output
connections are labeled “left output” and are just to the left
of the DC Source Input. The right channel output connections
are labeled “right output” and are on the far left hand side of the
rear of the phono stage unit (See Figure 1). In each pair, the
balanced (XLR) connection is labeled “1”, and the unbalanced
(RCA) connection is labeled “2”.
Above each pair of outputs, comprised of one single-
-ended (RCA) connection and one balanced (XLR)
connection, is a switch for selecting either the balanced or
the single-ended connector. The switches are labeled
“unbalanced output”. Moving the unbalanced output
switches to the right (facing the rear of the unity) sets the
outputs to their respective unbalanced (RCA) connector.
Of course, the opposite position in each case sets the
switches for the balanced connectors. Be sure to have
both switches set for the connection you are using. You
may have both balanced and unbalanced outputs
connected at the same time without introducing hum
PROVIDED you have the output switches set to unbalanced
output.
E. Moving Coil (MC) Transformer Controls
On the top of each channel’s MC transformer on the
centre rear of the chassis deck of the phono stage unit,
there is a rotating control. Turn the control knobs to select
from four (+22, +26, +28, +32dB) gain factors. The four
control positions are labeled as both gain and the turn
ratio of the MC transformer; for example, the lowest gain
position of +22dB automatically corresponds to a turn
ratio of x13 (see Figure 3). You should use identical
settings for both transformers to avoid channel imbalance.
NOTE:
Please mute your H-3000V, and/or reduce your
preamplifier’s volume control, during transformer gain
adjustments. Be aware if you are increasing gain, that you
may hit an uncomfortably loud volume level.
F. IMPEDANCE CONTROL
The Impedance control is located at the rear of the top
plate of the H-3000Vchassis (see Figure 6). It has four
positions, 10, 20, 30 and 47 KΩ (thousand ohms). Use the
impedance control to match the H-3000 to the impedance
of your cartridges. For MM cartridges always set the
control at 47 KΩ. Vary the impedance settings to match
your MC cartridges. By experimenting with the impedance
settings and the transformer controls together, you can
obtain optimum performance from your MC cartridges.

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You will need to experiment to find the “sweet spot”
combination for each MC cartridge because even the
cables from your cartridge to the tonearm, your
internal tonearm cable, and your phono cable will all
affect impedance level. We suggest starting with the
specifications from your cartridge and using the
impedance level closest to that. Please refer to Table
one to see the possible combinations for MC cartridges
and the resulting operating impedances and gain.
In the Specifications section, you will read that the MC
input impedance for the H-3000V is up to 470 ohms.
This value represents the internal impedance of the
cartridge itself and is at the very extreme of what
would normally be expected for the internal impedance
of an MC cartridge.
G. PHONO EQUALIZATION CONTROLS
The H-3000V’s phono equalization curve controls, of which
there are two pairs, one for each channel, are on top of the
transformers located just in front of the Moving Coil
transformer controls (See Figure 6). Use the rotary knobs to
set the equalization for each record. The RIAA standard,
which is used for most records, is a Turn-over of 500 Hz and
Roll-off of -13.7 dB; this standard is indicated for each control
knob (See Figure 7). Be sure to set the controls identically for
both channels. A selection of some of the more common
possible non-RIAA settings are found in Table 2 of this
Manual.
H. A NOTE ON PHASE
Phase issues generally will result in lack of bass and/or
focus of the stereo image. You may need to reverse
connections on your cartridge if you are having phase
issues. As is usual in these circumstances, some trial and
error experimentation may be required to find the
correct position. The process is simplified for you with the
H-3000V, as it has a phase control switch on the front
panel of the phono stage unit.
INITIAL POWER-ON
Once you have your H-3000Vin place, you have installed
the5AR4 rectifier in the power supply unit and replaced the
top of the unit, and all connections have been made to your
turntable and preamplifier, you are ready to turn on the power
for your H-3000V.Before you power up the H-3000V, though, be
sure you have:
removed the shipping O rings from the tubes.
selected the output connections that you want to use, single
ended (RCA) or balanced (XLR), on the two switches on the
back of the phono stage
turned the volume down or muted your preamplifier
pressed the button switch on the left hand side of the front
panel of the phono stage, labeled “muting” below and
having button in and out icons for operate and mute,
respectively, to the in/down “mute” position (see Figure 3)
pressed the button switch on the right hand side of the front
panel of the phono stage to the appropriate phase position,
either “normal” (pressed in) or “inverted” (out position). We
suggest starting with “normal”.
rotated the knob labeled “input selector” to the appropriate
input, corresponding to the input you will use initially (See
Figure 4), either MC1 or MC2, or MM1 or MM2
if you are using a moving coil cartridge, set the MC
transformer controls on the top of the chassis to the factor
that you will try initially
set the Phono Equalization controls for both channels for the
setting for the first record you will use
checked that all your connections are snug
To turn on the H-3000V, press in the button switch on the front
of the power supply marked with on and off icons (see Figure 4).
Of course, the off position is the reverse, pressing the button
again so it is returned to the maximum raised position.
OPERATION
When the power supply is on, the light on its front panel
will illuminate and, if it is in the “operate” position, the
light above the muting switch on the front panel of the
Allnic Audio H-3000Vphono stage will illuminate after a
forty (40) second automatic protective “mute” period. The
light above the phase switch will illuminate as well, if the
switch is in the “normal” position at turn on.
To avoid surges to the speakers, it is best to switch between MM
or MC input, or between inputs 1 and 2 of either, only with the
H-3000Vin “mute” mode and with your preamplifier volume
down or otherwise muted.

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From this point on, operation is straight-forward. All
functions except for MC transformers’ gain selection and the
phono equalization controls are accessed from the front
panel. Of course, BE CAREFUL about differences in gain
between your sources. Generally, disc players and tuners will
have greater gain than phono stages. That means the volume
setting for listening to your turntable might be too high for
listening to CD’s.
When you are finished listening, turn off your power
amplifier(s); then turn off your preamplifier and then turn off
the H-3000Vlast by pressing the on-off switch on the front
panel of the power supply so it returns to the out position.
In the case of any failure, please contact Hammertone Audio
for assistance.
THE CURRENT METERS
These illuminated meters indicate the current supply to the
gain tubes in the H-3000V. They are indicators of failure or
damage to the function of the unit. There is one meter for
each channel. The needle should be between the two parallel
lines just left of centre on the meter face. Any failure of the
tubes or circuits in one or the other of the H-3000V’s
channels is indicated by the needle on the meter for the
respective channel moving out from between these two
parallel lines.
If the needle has moved to the left of the parallel
lines on a meter, it means that one or both the E810F
tubes for that channel is failing.
If the needle on either meter moves to the right of
the parallel lines, it means that one or the other of
the voltage regulator tubes (7233 or 6485) for that
channel is failing.
In the case of any failure indicated by a meter, please contact
Hammertone Audio for assistance.
TUBES
The H-3000Vuses the following tubes (please see Figure 6):
Four (4) x E810F
Two (2) x 7233
Two (2) x 6485
One (1) x 5AR4 (in, and the only tube in, the power
supply)
All consequences of changing or attempting to change tubes are
borne by the user unless by express agreement between the
owner and Hammertone Audio. Allnic Audio and Hammertone
Audio are not liable in any way whatsoever for any injury or loss
incurred by the user or for damage to the H-3000V, any of its
parts, or tubes or replacement tubes resulting from the user
changing or attempting to change tubes.
SPECIFICATIONS FOR THE ALLNIC AUDIO H-3000VPHONO
STAGE
Inputs: Moving Coil (MC) × two (2) pairs
unbalanced (RCA)
Moving Magnet (MM) x two (2)
pairs unbalanced (RCA)
Ground: One (1) x screw type terminal
Outputs: One (1) pair x unbalanced (RCA)
One (1) pair x balanced (XLR)
Frequency (RIAA): 20Hz ~ 20KHz (±0.5db)
30Hz ~ 15kHz (±0.3dB)
Voltage Gains: MM +40dB (1KHz)
MC +62, +66, +68, +72dB (1Khz)
Input Impedance: MC up to 470Ω (see “Impedance”
in the Initial Set-Up section, above)
MM 47kΩ
Maximum Input Voltage
(MM, non-clipping): 20Hz / 10mV
100Hz / 50mV
1KHz / 220mV
10KHz / 690mV
THD
(Total Harmonic
Distortion): Less than 0.3% (1KHz, Output 1V)
Output Impedance: 200Ω (Constant)
S/N Ratio: -85db (CCIR, 1KHz)
Power Consumption: 80W – 110/120 / 60Hz
Tubes: E810F × 4 (electrically equivalent to
7788) (gain stages, left and right

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Fuse: AC 2A, 250V
Dimensions:
- Phono Stage: 430mm (16.9 inches) x 350mm (13.8
inches) x 173mm (6.82 inches) (W x
D x H)
- Power supply: 170mm (6.7 inches) x 275mm (10.8
inches) x 118mm (4.65 inches) (W x
D x H)
Weight:
Phono Stage: 15.7 Kg (34.62 lbs) unpacked
Power supply: 8.1 Kg (18 lbs) unpacked
Both units in
original packing: 30 Kg (66 lbs)
channels)
7233 (no equivalent) × 2 (Voltage
Regulators)
6485 (similar to 6AH6, 6AH6WA,
6AH6S, CV2521) × 2 (Voltage
Regulators)
5AR4 X 1 (Rectifier, only tube in the
power supply)
WARRANTY
All Allnic Audio amplifier products are warranted against materials and manufacturing defects for parts, excluding tubes, and
labour for two (2) years from date of purchase. Tubes are warranted against materials and manufacturing defects for one (1) year
from date of purchase. The warranty is transferable for the balance of the original purchaser’s warranty period, provided, as
stated below, no unauthorized repairs or modifications have been performed on the product. Date of purchase is the date
indicated on the invoice for the product issued by Hammertone Audio.
For the warranty to be valid, a defective product must be returned to Hammertone Audio for service prior to any unauthorized
attempt to repair. Any repair work on an Allnic Audio product not specifically authorized by Hammertone Audio will void the
warranty on the product.
Table 1: Impedance Combination Table
MC Transformer Gain Control Settings
+22dB/x13
+26dB/x20
+28dB/x26
+32dB/x40
Impedance
Control Settings
10
59 Ω
25 Ω
15 Ω
6Ω
20
118 Ω
50 Ω
30 Ω
12 Ω
30
177 Ω
75 Ω
45 Ω
19 Ω
47
278 Ω
117 Ω
70 Ω
29 Ω

11
Table 2: Some Common Equalization Settings
RECORD LABEL
TURN-OVER
ROLL-OFF
HMV,EMI-ANGEL,
WESTMINSTER, EPIC, & COLUMBIA
500Hz
(Early versions 250Hz)
-16dB (Sometimes -13.7dB)
(Early versions 0dB)
DECCA
L'OISEAU-LYRE
500Hz
*Early ffrr 700Hz
-11dB
-11dB
ARGO, RCA (New Orthophonic), &
BRUNSWICK
(RIAA)
500Hz
-13.7dB
RCA (1949-51)
RCA (1951-52)
700Hz
500Hz
-13.7dB
-13.7dB
TELEFUNKEN & (German) DECCA
400Hz
-5dB
PHILIPS
400Hz
-5dB
MERCURY
400Hz
-11dB
MELODIYA, DG & ETERNA
500Hz
(Sometimes 250Hz)
-13.7dB
(Sometimes -11dB or -16dB)
NARTB
500Hz
-16dB
CAPITOL (1942)
400Hz
-11dB
 This chart is for general reference only and can be changed without prior-notice as more information becomes available.
 Values are rounded in accordance with Allnic measurements.
 This Table of Common Equalization Settings has been assembled thanks to kind guidance of MR. SUNGJUN PARK, the well-known
Korean conductor.

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Figure 1 – H-3000VRear Panel View
Figure 2 – H-3000VPower Supply Rear Panel View
Figure 3 – H-3000VChassis Top View -MC Transformer Controls

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Figure 4 – H-3000VFront Panel View
Figure 5 - H-3000VPower Supply Front Panel View

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Figure 6 – H-3000VTop View
Figure 7 – H-3000VPhono Equalization Units

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252 Magic Drive, Kelowna, British Columbia, Canada V1V 1N2
Direct Telephone: [phone]; Fax: [phone];
Cell: [phone]
email: [e-mail]
Website: www.hammertoneaudio.com