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Related Manuals for Edax Audio Labs VTP-100
Summary of Contents for Edax Audio Labs VTP-100
- Page 1 Audio labs OPERATING MANUAL OPERATING MANUAL Vacuum Tube Microphone Vacuum Tube Microphone Preamplifier Preamplifier PEAK PEAK HOLD HOLD (Re-AmpTube) LINE Vacuum Tube Microphone Vacuum Tube Microphone Audio labs Preamplifier Preamplifier WWW.EDAXAUDIO.COM...
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Page 2: Safety And Operating Precautions
Do not use a damaged or excessively worn cord to connect this unit to AC power. CHECK LINE VOLTAGE SETTING The VTP-100 has been set from the factory to operate at the voltage required for your part of the world. However, it's important to double-check this in order to ensure no damage will come to the unit if power is applied while the setting is incorrect. -
Page 3: Introduction
+4dB line input levels to guitar levels. The VTP-100's unique design yields a preamplifer that offers a huge dynamic range. It's ruler-flat frequency amazing response -0.75 dB 5Hz to 20KHz makes it the ideal preamplifier for such demanding applications as the live recording of classic music amongst others. -
Page 4: Table Of Contents
........................REAR PANEL ......................... PREAMPLIFIER OPERATION ....................8.1 Turning the power ON......................8.2 Setting the gain........................8.3 Using the VTP-100 as a DI-BOX..................8.4 Using the VTP-100 as a Re-Amp-Tube................REPLACING THE TUBES ....................... SPECIFICATIONS ........................REGISTRATION and WARRANTY .................. -
Page 5: Features
FEATURES * Pure class A Tube design with 4 cell parallel triodes. * Fully balanced transformerless mic input and outputs. * High headroom +32dB. * Discrete output stage headphone amplifier. * Hi-Z Reamp-Tube output with variable trim. * High precision active balanced output circuit. * High impedance instrument input Vacuum Tube Direct-Box * 11 position sealed rotary gain switch 4dB steps * 11 position sealed rotary passive 12dB/Oct HP Filter (20-250Hz). -
Page 6: Installation
Stereo (two channel) 19 inch rack mount kit If the VTP-100 is mounted in a mobile rack or road case, it is important that the rear of the chassis is supported to prevent possible damage from mechanical shock and vibration. -
Page 7: Front Panel
FRONT PANEL PEAK PEAK HOLD HOLD (Re-AmpTube) LINE Vacuum Tube Microphone Vacuum Tube Microphone Audio labs Preamplifier Preamplifier GAIN Mic/Line: An 11 position rotary switch that controls the gain of the discrete input stage Ovl led: The Red Led iluminate when the input level exceeds the maximum XLR input level which is 3 dB below the overload point. -
Page 8: Rear Panel
REAR PANEL CONTROL V T P - 10 0 HEADPHONE HEADPHONE VOLTAGE SELECTOR VOLTAGE SELECTOR XLR:BALANCED XLR:BALANCED AMPLIFIER AMPLIFIER MIC/LINE INPUT MIC/LINE INPUT VA C U U M T U B E M I C R O P H O N E VA C U U M T U B E M I C R O P H O N E P U S H P R E A M P L I F I E R... -
Page 9: Preamplifier Operation
Pad in -20d (Re-Amp Tube) in this mode all the function are active, the trimer adjustement control is designed to mimic Hi-Z guitar levels. The VTP-100 in this mode convert +4dB line level outputs to guitar hi impedance level, to can connecting to guitar input amplifiers, The Re-Amp Tube mode pass the audio signal thru a Class - A tube amplifierthis is very usefull to increase the 2°harmonic content response. -
Page 10: Replacing The Tubes
All vacuum tubes have a limited life due to reduced electron emission from the oxide coating on the cathode and/or a buildup of impurity gases is the bulb. Due to the hi quality of the tubes in the VTP-100 the life is estimated to be several years. -
Page 11: Specifications
SPECIFICATIONS Input Impedance(microphone): 2k2 ohm,nominal. Input Impedance(direct input):1Mohms (Instrument). Maximum input level:+23dBu into 10Kohms. Maximum input level(DI-BOX):+10dBu. Maximum output level:+32dBu into 10Kohms. Output impedance:47ohms x 2. Frequency Response: -1.0dB 20Hz and 20kHz with 10Kohm load. Noise: EIN than -125dBu with 150 ohm input load, unweighted. Distortion: THD+N less than 0.02%, +35dB gain Meter: Line input VU/PPM and VU/PPM output level and PPM Hold. -
Page 12: Registration And Warranty
(1) year from the date of purchase. Edax Audio Labs sole obligation under this warranty shall be to provide, without charge, parts and labor necessary to remedy defects, if any, which appear within one (1) year from the date of purchase.
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