Summit Audio TPA-200B Manual de Usario

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Summit Audio Model TPA-200B
Dual Tube Preamplifier
Operating Manual
IMPORTANT!: CAREFULLY READ THE ENTIRE INSTRUCTION MANUAL
BEFORE HOOKUP OR OPERATION OF THE TPA-200B.
WARNING!: HIGH VOLTAGE. THIS UNIT CONTAINS NO USER SERVICEABLE
PARTS. SERVICING SHOULD ONLY BE DONE BY QUALIFIED SERVICE
PERSONNEL OR FACTORY. DO NOT OPERATE THE TPA-200B WITH THE
COVERS REMOVED.
Summit Audio
1183 Baltic Suite A
Gardnerville, NV 89410
Copyright 1992, 1997, 2003 Summit Audio Inc. ALL RIGHTS RESERVED. Printed in
the U.S.A.
Product Introduction
The Summit Audio TPA-200B uses vacuum tube and solid state
technologies to produce the warm sound associated with tubes with the
reliability provided by solid state devices. The TPA-200B is designed to
work in a number of different applications with the different types of inputs:
a microphone input, line level input, and a front panel Hi-Z input. Input
connections are made by using three pin balanced XLR jacks, balanced TRS
¼” jacks, and the front panel unbalanced ¼” jack.
Features include:
Easy operation
Controllable sound, continuously variable from “clean” to “overdrive”
Jensen input transformers
Line level balanced input
Mic level balanced input
Phantom power
Front panel Hi-Z input
990 balanced output stage
Overload and overdrive indicators
Polarity reversal
-15dB and –25dB pads
Hand crafted in the USA
Having found this manual, carefully unpack the TPA-200B and it’s power cord. Save the
carton and packing material should it be needed for future shipping. Before powering the
unit, read this manual. Please observe the cautions for HIGH VOLTAGE. Proceed by
doing the following:
1. Set the line voltage switch to the proper position
2. Determine the proper fuse size by referring to the specifications
3. Check for pilot illumination when powered up.
THE CONTROLS
1. LINE/MIC: Selects between the balanced XLR mic input and the balanced ¼” TRS
line input on the back of the TPA-200B.
2. PAD: Switches the pad between off, -15dB and –25dB if the output gain of the
microphone or line input has too much gain and is overdriving the input of
the TPA-200B.
3. PHASE
REVERSE: This switches the polarity or phase on the microphone input and line input
from normal to 180 degrees out of phase.
4. INPUT
GAIN: This completely variable potentiometer changes the input gain for the
TPA-200B. Use in conjunction with the output gain to get the desired
amount of tube saturation in the signal. Turning the output gain down and
the input gain up increases the amount of tube distortion.
5. OUTPUT
GAIN: This completely variable potentiometer changes the output gain for the
TPA-200B. Use in conjunction with the input gain to get the desired
amount of tube saturation in the signal. Turning the output gain up and the
input gain down decreases the amount of tube and will give you the
cleanest possible sound.
6. OL/OD
INDICATORS: .These LEDs will light to indicate overdrive (OD, amber light) when the
tube is working at it’s optimum level and overload (OL, red light) when
the tube is being distorted.
7. HI-Z INPUT: This is an unbalanced, high impedance input for musical instruments such
as guitar, bass, and keyboards. (Try plugging in an electric guitar, turning
the output gain low and the input gain high to get a great tube distortion.)
8. PHANTOM
POWER: Switches on +48V phantom power for BOTH microphone inputs for use
with condenser microphones.
9. POWER: Switches the TPA-200B on and off, indicated by the red light above the
phantom power switch.

Especificaciones del producto

Marca: Summit Audio
Categoría: receptor
Modelo: TPA-200B

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