zapco STUDIO 100 Manuale utente
STUDIO
Owner’s Manual
Studio Series
Power Amplifier
A.R.P.A. OF AMERICA CORP.
MADE IN MODESTO, CA U.S.A.
Contents
Introduction What Is The Studio 100? 2
Features Studio 100 Key Features 3
Unpacking Unpacking The Studio 100 4
Installation Mounting Guidelines 4
Wiring Power Wiring 5
Signal Wiring 6
Warnings System Precautions 7
Specifications Performance Parameters 8
Help Technical Assistance 9
Curves Power Vs. Distortion 10
Manufacturing How This Product Is Built 11
1
What Is The Studio 100?
Thank you for purchasing a ZAPCO product! This product has
been hand-crafted in the USA with the attention to detail and
quality that has made ZAPCO a legend in the car audio
industry. You can be sure that you have purchased one of the
highest quality car stereo components available anywhere in
the world today.
The Studio 100 is a stereo/two-channel amplifier that is
conservatively rated at 100 watts. It can produce 50 watts per
channel into a four ohm load and 80 watts per channel into a 2
ohm load. The Studio 100 combines a very efficient MOSFET
switching power supply with high current, fully symmetrical
BIPOLAR output devices to achieve unyieldingly accurate
audio performance.
The protection circuits in the Studio 100 simply shut down the
power supply, rather than altering the audio signal or reducing
the power. The amplifier is protected for any conceivable
problem, including over-voltage, speaker shorts, overheating
and reverse polarity.
2
Studio 100 Key Features
•100% symmetrical circuitry for low THD, TIM and IMD.
•Low global feedback.
•Can drive highly reactive loads.
•Gold plated power, RCA and speaker connectors.
•Separate LED’s for power and protection.
•Short circuit, high temperature, reverse voltage, DC offset
and over-voltage protection.
•Load stability down to two ohms.
•Precision 1% resistors used throughout.
•Low radiated noise for clean AM/FM reception.
•Quality ZAPCO construction.
•Designed and manufactured in the U.S.A.
3
Unpacking the Studio 100
Included in your Studio 100 packing box you will find the
warranty registration card. Please fill it out and return it to the
factory.
If for any reason your Studio 100 must be returned to the
factory, we suggest you retain the original packing box for safe
transportation. We also suggest that you record the serial
number of your Studio 100 in the space below for your
permanent records.
Serial number: _____________ Purchase date: ___________
Mounting Guidelines
Mounting the Studio 100 is easy. Keep in mind the following
guidelines:
•The amplifier may be mounted in any direction, on wood,
metal or carpet. The metal case of the amplifier my be
grounded or left isolated.
•The amplifier requires adequate ventilation. Position the
amplifier with sufficient surrounding area for proper cooling.
•Keep the amplifier out of the engine compartment and
other locations that may cause excessive heat or moisture.
4
Power Wiring Guidelines
Amplifier Power Endplate
1. Connect the 12V “POS” terminal (FUSED +12VDC) to the
battery with 10 gauge (or heavier) wire.
2. Fuse the wire within 18” of the battery with a 30 amp fuse
or circuit breaker. Although the amplifier is already fused,
a short between the amplifier and the battery could cause
a fire. See the section titled “Warnings”.
3. Connect the “NEG” terminal to the vehicle chassis with the
shortest possible 10 gauge wire. Do not make this
connection directly to the battery. Do not use seat or seat
belt bolts for grounding. Do not share this connection with
other equipment. A “single point” ground for high current
connections will degrade the system’s performance.
Inadequate power supply connections will result in
REDUCED POWER OUTPUT.
4. Connect the “TURN ON” terminal to the radio’s “amp turn
on” or in some cases “power antenna” lead. This
connection requires very little current and may be
connected with a light gauge wire such as #22. Applying
12 volts to this terminal turns the amplifier on.
5
Signal Wiring Guidelines
Control Endplate
Input Connection:
Connect the right and left input signals to the corresponding
RCA input jacks on the end of the Studio 100. Keep these
wires close to each other and far away from power and
speaker wires. When using in bridged mono mode, put the
input mode switch in the “MONO” position.
Input Sensitivity:
The input sensitivity or “gain” is user adjustable and can be set
anywhere between .230 volts (230 millivolts) and 2.3 volts. If
you are unsure of your head unit’s maximum undistorted output
level, set these controls to their minimum (quietest) position
and then turn the head unit’s volume knob up until you can
start to hear audible distortion and reduce the volume until the
distortion goes away. At this volume setting, gradually
increase the amplifier’s sensitivity until you can start to hear
distortion from the amplifier. Then reduce the sensitivity until it
goes away. Using this method, the head unit’s volume should
reach approximately 3/4 of its maximum or more before
distortion is heard in the system.
Speaker Connections:
Connect the speaker wiring to the terminals as they are
labeled. The minimum impedance or “ohm load” for each
individual channel is two ohms. When bridging the front and
rear channel into a mono configuration, the minimum
impedance is four ohms. 6
Warnings
ZAPCO highly recommends that a system protection device
(i.e., fuse or circuit breaker) be placed within 18” of the battery.
Although ZAPCO products have adequate internal protection, it
is possible that power wiring could become pinched between
the component and the battery - potentially resulting in a fire.
The system protection device should be placed where it can be
accessed easily and all wiring should be routed safely and
correctly according to the following guidelines:
•Do not run wiring close to hot or spinning objects.
•Always use wire grommets when routing wire through the
firewall or any other metal panels.
•Make sure that the potential for pinched wiring is avoided
by routing all wires away from moving hinges and seats.
This also includes brake, gas and clutch pedals, hood and
trunk hinges, etc.
Caution:
Continuous exposure to excessive sound pressure levels may
cause permanent hearing loss. ZAPCO strongly advises that
you use common sense when setting volume levels.
7
Specifications
Output Power 50 watts/ch @ 4Ω, 20Hz-20kHz
80 watts/ch @ 2Ω, 20Hz-20kHz
T.H.D. + Noise <.05%, 20Hz-20kHz @ 50 watts/ch, 4Ω
<.1%, 20Hz-20kHz @ 80 watts/ch, 2Ω
S/N Ratio >100dB
Dynamic Headroom 1.5dB @ 2 ohm load
Separation >75dB
Damping Factor >300 @ 4 ohms
Input Type Fully isolated RCA
Input Sensitivity 230mV - 2.3 Volts, variable
Maximum Input Level 3.5 Volts R.M.S.
Input Impedance 47K ohms
Power Requirements 25 Amperes max. @ 2 ohms
Fuse Rating Internal, ATO 25 Amperes
Minimum Load 2 ohms stereo - 4 ohms mono
Idle Current .8 Amperes
Dimensions 10 1/4”L x 5 7/8”W x 2 1/4”H
8
Technical Assistance
Should you experience a problem with your Studio 100, please
contact the dealer that sold you this product. If your dealer is
unable to solve your problem, you may contact the factory
service department directly.
Phone: (209) 577-4268 Monday - Friday 8am-5pm Pacific time
Fax: (209) 577-8548
If you need to return this product for repair, please call the
factory for a return authorization number. We will ask you for
information which will include your name, return shipping
address, daytime phone number, model and serial number,
and a detailed description of your problem. A photocopy of
your original purchase receipt is necessary to determine
warranty status and should also be included. Once we issue
you a return authorization number, please write it in a highly
visible area on the package. Zapco will not accept any
packages that do not have a valid return authorization number
clearly marked on the outside of the package.
Send all repairs to:
A.R.P.A. of America Corp.
Attn: Service Department
413 S. Riverside Drive, Suite D
Modesto, CA 95354
9
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