Ampeg_SVT-DI_Users_Guide.pdf

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User’s Guide
SVTDI
Vacuum Tube Direct Injection
Introducton to the Ampeg SVTDI:
The harmonically rich sound and legendary performance of
AMPEG products are redefined in the SVTDI. This Vacuum Tube Direct
Injection device delivers unsurpassed quality, reliability and tonal flexi-
bility in a compact, rock-solid package with exceptionally high cosmet-
ic appeal. The SVTDI is easy to operate and is well suited for live per-
formances or for use in the recording studio. Acoustic and electric
instruments will benefit from use of the SVTDI.
The SVTDI Vacuum Tube Direct Injection can take an unbalanced
line level signal (bass, guitar, keyboard, etc.) and convert it into a bal-
anced signal which can be sent through a long snake to that mixing
board so far from the stage -
without degradation of the signal!
The
SVTDI offers direct or tube-buffered 1/4”
and
XLR output connections,
and has a switchable 6dB input attenuator to handle “hot” signals.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOIS-
TURE. TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT
REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
PRECAUCION
RIESGO DE CORRIENTAZO
NO ABRA
PRECAUCION: PARA REDUCIR EL RIESGO DE INCENDIOS O DESCARGAS
ELECTRICAS, NO PERMITA QUE ESTE APARATO QUEDE EXPUESTO A LA
LLUVIA O LA HUMEDAD. PARA DISMINUOIR EL RIESGO DE CORRIENTAZO.
NO ABRA LA CUBIERTA. NO HAY PIEZAS ADENTRO QUE EL USARIO PUEDO
REPARAR DEJE TODO MANTENIMIENTO A LOS TECHNICOS CALIFICADOS.
ATTENTION
RISQUE D'ELECTROCUTION
NE PAS OUVRIR
ATTENTION: PROTÉGEZ CET APPAREIL DE LA PLUIE ET DE L'HUMIDITÉ
AFIN D'ÉVITER TOUT RISQUE D'INCENDIE OU D'ÉLECTROCUTION. POUR
REDUIRE D'ELECTROCUTION NE PAS ENLEVER LE COUVERCLE. AUCUNE
PIECE INTERNE N'EST REPRABLE PAR L'UTILISATEUR. POUR TOUTE
REPARATION, S'ADRESSER A UN TECHNICIEN QUALIFIE.
IMPORTANT SAFETY INSTRUCTIONS
•
READ, FOLLOW, HEED, AND KEEP ALL INSTRUCTIONS AND WARNINGS.
•
DO NOT OPERATE NEAR ANY HEAT SOURCE AND DO NOT BLOCK ANY VENTILATION OPENINGS ON THIS APPARATUS. FOR
•
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•
•
•
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•
•
•
PROPER OPERATION, THIS UNIT REQUIRES 3” (75mm) OF WELL VENTILATED SPACE AROUND HEATSINKS AND OTHER AIR
FLOW PROVISIONS IN THE CABINET.
DO NOT USE THIS APPARATUS NEAR SPLASHING, FALLING, SPRAYING, OR STANDING LIQUIDS.
CLEAN ONLY WITH LINT-FREE DAMP CLOTH AND DO NOT USE CLEANING AGENTS.
ONLY CONNECT POWER CORD TO A POLARIZED, SAFETY GROUNDED OUTLET WIRED TO CURRENT ELECTRICAL CODES AND
COMPATIBLE WITH VOLTAGE, POWER, AND FREQUENCY REQUIREMENTS STATED ON THE REAR PANEL OF THE APPARATUS.
PROTECT THE POWER CORD FROM DAMAGE DUE TO BEING WALKED ON, PINCHED, OR STRAINED.
UNPLUG THE APPARATUS DURING LIGHTNING STORMS OR WHEN UNUSED FOR LONG PERIODS OF TIME.
ONLY USE ATTACHMENTS, ACCESSORIES, STANDS, OR BRACKETS SPECIFIED BY THE MANUFACTURER FOR
SAFE OPERATION AND TO AVOID INJURY.
WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
SERVICE MUST BE PERFORMED BY QUALIFIED PERSONNEL.
OUR AMPLIFIERS ARE CAPABLE OF PRODUCING HIGH SOUND PRESSURE LEVELS. CONTINUED EXPOSURE TO HIGH SOUND
PRESSURE LEVELS CAN CAUSE PERMANENT HEARING IMPAIRMENT OR LOSS. USER CAUTION IS ADVISED AND EAR PRO-
TECTION IS RECOMMENDED IF UNIT IS OPERATED AT HIGH VOLUME.
EXPLANATION OF GRAPHICAL SYMBOLS:
EXPLICACION DE SIMBOLOS GRAFICOS:
EXPLICATION DES SYMBÔLES GRAPHIQUES:
"DANGEROUS VOLTAGE"
"IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL"
=
“VOLTAJE PELIGROSO”
"DANGER HAUTE TENSION"
=
“ES NECESARIO QUE EL USUARIO SE REFIERA AL MANUAL DE INSTRUCCIONES.”
"REFERREZ-VOUS AU MANUAL D'UTILISATION"
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SVTDI
Vacuum Tube Direct Injection
Features:
•
PAD SWITCH:
Attenuates the input signal to accomodate “hot” pickups
•
DIRECT/TUBE SWITCHES:
Separate switches for the Thru and Balanced
Output jacks - giving you the choice of tube buffered or direct signals at
either output jack
•
GROUND LIFT SWITCH:
(Balanced Output jack) Allows you to eliminate
hum caused by virtually any situation - whether performing live, or work-
ing in the studio
•
TRANSFORMER BALANCED OUTPUT:
The high quality, shielded XLR
connector uses an electronic transformer to provide the ultimate balanced
output signal
•
AMPEG QUALITY AND COSMETICS:
Lets the world know you mean business
The Front Panel . . . . . . . . . . . . . . . . . . . . . . . . .4
The Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . .5
Important Information About Tubes
And Tube Products . . . . . . . . . . . . . . . . . . . . . .6-7
System Block Diagram . . . . . . . . . . . . . . . . . . . .7
Declaration Of Conformity
#35, Effective 01-01-2001
Manufacturer’s Name:
Production Facility:
Production Facility:
Shipping Facility:
Office Facility:
Product Type:
SLM Electronics
1901 Congressional Drive, St. Louis, MO 63146, USA
700 Hwy 202 W, Yellville, AR 72687, USA
1400 Ferguson Ave., St. Louis, MO 63133, USA
1400 Ferguson Ave., St. Louis, MO 63133, USA
Audio Amplifier
Complies with the following Standards:
Safety:
EN60065, E60065, C22.2, UL6500 and/or UL813
EMC:
Directive 89/336/EEC, EN55103, EN55013, EN61000,
and/or FCC 47CFR 15B clA
Supplementary information provided by:
SLM Electronics - R & D Engineering
1901 Congressional Drive, St Louis, MO 63146, USA
Tel.: 314-569-0141, Fax: 314-569-0175
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SVTDI
Vacuum Tube Direct Injection
The Front Panel:
DIRECT
TUBE
DIRECT
TUBE
BALANCED
OUTPUT
INPUT
THRU
0dB
-6dB
GND
LIFT
1 2 3
4
5 6
7
1. INPUT:
Connect your line level signal here by means of a shielded
signal cable terminated with a male 1/4” connector.
2. DIRECT/TUBE:
This switch, when depressed, routes the input signal
through the SVTDI’s tube stages before sending it to the Thru jack (#4).
With this switch in the out position, the input signal is sent directly to the
Thru jack, bypassing the buffer tube.
3. 0dB/-6dB:
This switch, when depressed, attenuates the input signal
by 6dB to compensate for active electronics or other “hot” input signals.
With this switch in the out position, the input signal is at its full strength.
4. THRU:
Use this jack to connect the output signal to its destination by
means of a shielded signal cable terminated with a male 1/4” connector.
5. DIRECT/TUBE:
This switch, when depressed, routes the input signal
through the SVTDI’s tube stages before sending it to the Balanced Output
jack (#7). With this switch in the out position, the input signal is sent
directly to the Balanced Output jack, bypassing the buffer tube.
6. GND/LIFT:
This switch, when depressed, lifts the signal ground at the
Balanced Output jack (#7). This is helpful to eliminate hum in the output
signal caused by ground loops. With this switch in the out position, the
Balanced Output signal ground remains intact.
7. BALANCED OUTPUT:
Use this jack to connect the output signal to its
destination by means of a shielded signal cable terminated with a male
XLR connector.
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SVTDI
Vacuum Tube Direct Injection
The Rear Panel:
8
9 10
8. AC LINE IN:
Insert the AC power cord firmly into this socket. The
grounded power cord should only be plugged into a grounded power
outlet that meets all applicable electrical codes and is compatible with
the voltage, power and frequency requirements stated on the rear panel.
Do not attempt to defeat the safety ground connection!
9. POWER:Use
this switch to turn the unit on (top of the switch
depressed) and off (bottom of the switch depressed).
10. FUSE:
This unit employs an external AC line fuse to help protect it
from damages due to overload conditions. If the fuse fails, replace it
ONLY with the same size and type fuse. If the fuse fails repeatedly, dis-
continue use of the unit and contact your Ampeg Dealer or Authorized
Ampeg Service Center for service information.
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