3rd Power HD 100 Manuale utente

USERS GUIDE
HLH SERIES
HD100
AMPLIFIER HEAD

1
Your 3RD POWER Amplifier is a professional musical instrument amplifier. The information
contained herein is current at the time of publication. However, specifications are subject to
change without prior notice.
PRECAUTIONS & WARNINGS
• READ THESE INSTRUCTIONS.
• KEEP THESE INSTRUCTIONS.
• HEED ALL WARNINGS.
• FOLLOW ALL INSTRUCTIONS.
• YOUR AMPLIFIER IS LOUD!
EXPOSURE TO HIGH SOUND VOLUMES MAY CAUSE PERMANENT HEARING DAMAGE !
Practice “safe listening.”
• No user serviceable parts inside. Refer service to qualified personnel. Always unplug AC
power before removing chassis.
• IF YOU INTEND ON OPERATING THIS EQUIPMENT OUTSIDE OF THE USA: Always insure
that unit is wired for proper voltage. Make certain all connections and grounding con-
forms with local standards. Make certain that you have obtained authorization to operate
prior to connecting to power supply.
• WARNING: Vacuum tube amplifiers generate heat. To insure proper ventilation always
make certain there is at least four inches (100mm) of space behind the rear of the ampli-
fier cabinet.
• Keep away from curtains or any flammable objects.
• WARNING: Do not block any ventilation openings on the rear or top of the amplifier. Do
not impede ventilation by placing objects on top of the amplifier which extend past the
rear edge of its cabinet.
• WARNING: Do not expose the amplifier to rain, moisture, dripping or splashing water. Do
not place objects filled with liquids on or nearby the amplifier.
• WARNING: Always make certain proper load is connected before operating the amplifier.
Failure to do so could pose a shock hazard and may result in damage to the amplifier.
• Do not expose amplifier to direct sunlight or extremely high temperatures.
• Always insure that amplifier is properly grounded. Always unplug AC power cord before
changing fuse or any tubes. When replacing fuse, use only same type and rating.
• Avoid direct contact with heated tubes. Keep amplifier away from children.
• Be sure to connect to an AC power supply that meets the power supply specifications
listed on the rear of the unit. Remove the power plug from the AC mains socket if the unit
is to be stored for an extended period of time. If there is any danger of lightning occurring
nearby, remove the power plug from the wall socket in advance.
• To avoid damaging your speakers and other music equipment, turn off the power of all
related equipment before making the connections.
• Do not use excessive force in handling control buttons, switches and controls. Do not
use solvents such as benzene or paint thinner to clean the unit. Wipe off the exterior with
soft cloth.

2
™
Thank you for choosing 3RD
POWER as an integral compo-
nent of your musical journey.
Music is a thrilling blend of
tone, attitude and technique.
When the right combination
occurs, magic happens and it’s
experienced by everyone.
I’ve had the extraordinary
privilege of performing music for 30 years on stage and in the studio.
As the principal visionary of the company, every product we design re-
flects my energy, attitude and life experiences.
Each amplifier we create is designed to help you tell your musical story
- IN 3D!!!
Rock on!
- James Scott
MOVING FORWARD... IN 3D

3
Special Features:
• Hand-built and hand-wired in the USA
• Single Channel All-Tube design
• 100 watt, EL34 Power Amp section
• Mid Voicing Switch, Preamp Gain, Master Volume, Solo Volume,
Treble, Middle, Bass, and Presence controls
• Variable Line Output on back panel
• Series Insert/Effects Loop for external effects units
• Foot-switchable Lead Clean Boost (power amp boost)
Dimensions & Weights:
Subject to change anytime. Please measure your amp carefully if a Cus-
tom Case is being made. These measurements do not include handle
and rubber feet.
Dimensions (WxHxD): 29 x 10.75 x 8.375 in.
Weight: 41 lb.

4
Preparing to Operate your HD100
Make certain that all connections are made prior to operating your
HD100 including power cable, speaker cable and cabinet, instrument
cable and instrument. Make certain that all tubes are installed.
Power Switch (1)
The POWER switch, when placed in the UP position, provides AC wall
power to the amplifier.
Standby Switch (2)
The STANDBY switch, when placed in the UP position, puts the am-
plifier in ‘standby mode’ allowing the tubes to warm up. When this
switch is place in the DOWN position, the tube circuitry is fully func-
tional.
Presence Control (3)
The PRESENCE control allows you to adjust the character or ‘for-
wardness’ of your sound. Low settings create ‘darker’ tones, whereas
higher settings create a ‘brilliant’ or crisp sound.
Bass Control (4)
The BASS control allows you to adjust the depth of your lower fre-
quencies. The BASS circuitry has been optimized to provide deep, rich
low frequencies while retaining outstanding agility and note definition.
1 2 3 4
Front Panel:

5
Mid Control (5)
The MID control allows you to adjust the character of the middle fre-
quency range. The MID circuitry has been optimized to deliver a wide
range of mid frequency character so your tone cuts through the mix
without sounding harsh.
Treble Control (6)
The TREBLE control allows you to adjust the character of the higher
frequency range. The TREBLE circuitry has been optimized to deliver
excellent high frequency character while retaining a smooth tempera-
ment.
Lead Volume Control (7)
The LEAD VOLUME control allows you to increase the overall output
level without changing your tone or distortion character. When made
operational via foot-switch (separately available) this control is additive
to the MASTER VOLUME control and allows you to ‘step out’ for so-
los without missing a note.
Master Volume Control (8)
The MASTER VOLUME control allows you to set the loudness of
your amplifier. The MASTER circuitry has been optimized to deliver
incredibly linear response from your amplifier. Even at low setting,
your tone is rich, wide and full of punch. Raising this control simply
increases the volume without changing the tonal character of your
sound.
5 6 7 8
Front Panel:

6
Preamp Control (9)
The PREAMP control allows you to adjust the temperament and over-
all character of the distortion sound. The PREAMP circuitry has been
optimized to provide superior versatility allowing you to achieve the
superior classic rock, americana and modern metal sounds, as well as
the highly coveted ‘brown’ sound.
Mid Voicing Switch (10)
The MID VOICING switch allows you to set the tonal center and
character of the middle frequency range. In the SMOOTH position,
the tone controls deliver the exact EQ points of a classic British tube
amplifier from the late ’60’s. In the BOLD position, the tone controls
deliver an articulated middle frequency response with tighter lows pro-
viding a finished/mastered or ‘fader up’ sound quality that is ideal for
modern guitarists and soloists wether on stage or in the studio.
Input Jack (11)
The INPUT jack is where you connect the output of your guitar signal
path.
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10 11
Front Panel:

7
AC Input (12)
The AC INPUT socket (TYPE IEC Grounded) is a required connec-
tion for operating your HD100 at 117V (standard USA household elec-
trical power).
Mains Fuse (13)
The MAINS FUSE requires a 4 AMP fast-acting fuse. This fuse pro-
tects your amplifier from voltage peaks from your power outlet.
H.T. Fuse (14)
The H.T. FUSE requires a 1 AMP slow-blow fuse. The H.T. FUSE
usually blows if your power amp tubes are bad to protect the circuit
from being damaged.
SAFETY NOTES:
1) Always plug your amp into a properly grounded 3 prong AC out-
let.
2) Never plug your amp into an ungrounded outlet.
3) Never remove or break off the 3rd prong safety ground pin from
the power cord.
4) Never use a damaged or ungrounded power cord.
5) Always use the proper value and type fuse according to the rear-
panel markings.
12 13 14
Back Panel:

8
16-OHM Discreet Speaker Output (15)
The 16-OHM DISCREET SPEAKER OUTPUT is provided for con-
necting your amplifier to standard 16 OHM speaker cabinets.
(2) 8-OHM Discreet Speaker Output (16)
The two (2) 8-OHM DISCREET SPEAKER OUTPUTs are provided
for connecting your amplifier to single 8-OHM speaker cabinet or for
connecting two (2) 16-OHM speaker cabinets in parallel.
(2) 4-OHM Discreet Speaker Output (17)
The two (2) 4-OHM DISCREET SPEAKER OUTPUTs are provided
for connecting your amplifier to single 4-OHM speaker cabinet or for
connecting two (2) 8-OHM speaker cabinets in parallel.
Never operate your amplifier without a connected speaker cabinet. This
will damage your tubes or transformers - or both.
Always operate your amplifier with the proper impedance output that
matches your cabinets(s).
In all cases, always use a good quality heavy gauge speaker cable (not a
shielded instrument cable) to connect your HD100 to the speaker cabi-
net(s).
151617
Back Panel:

9
Preamp Out (19)/ Poweramp In (18) Jacks
The PREAMP OUT and POWERAMP IN jacks are available to insert
professional line-level effects devices. This type of effects loop is best
described as a ‘hard insert’ or ‘break’ type of loop. PREAMP OUT
connects to the input of your effects device. POWERAMP IN connects
to the output of your effects device.
When connected to a professional line-level effects device, the amplifier
breaks the connection between the preamp and poweramp. Signal levels
and mix of the DRY/WET signals are controlled by the effects device.
Take care to optimize your gain structure in order to retain a high-
quality, low-noise signal. When not connected, there is no break inter-
nal to the amplifier allowing the amplifier to operate as designed.
This type of insert effects-loop is the best type for retaining the purity
of the amplifier performance as there are no buffers or level matching
circuitry to color your sound. The trade off is acknowledged to be less
versatile in certain circumstances. However, the purity of the sound
quality is the overriding requirement.
1819
Back Panel:
Indice
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