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Coda 01 - page 1
TECHNOLOGIES INC. ADDRESS 8 4 1 2 3 12 15 14 13 11 SAFETY PRECAUTIONS INST ALLA TION CONNECTIONS INTRODUCTION DET AILED INST ALLA TION DESIGN PHILOSOPHY TECHNICAL DA T A CARE and HANDLING W ARRANTY W ARRANTY REGISTRA TION OPERA TION MANUAL FET PREAMPLIFIER 01 ...
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Coda 01 - page 2
! CAUTION CAUTION W ARNING W ARNING ! SERVICING TO QUALIFIED SERVICE CAUTION : TO PREVENT ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE, REFER PERSONNEL. THIS SYMBOL IS INTENDED TO ALERT YOU OF THE PRESENCE OF IMPORTANT OPERATING AND MAINTENANCE INSTRUCTIONS IN THE LITERATURE ACCOMPANYING THE UNIT. THIS SYMBOL IS TO ALERT YO ...
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Coda 01 - page 3
This preamplifier is a precision device, designed in an effort to provide the listener with unmatched sound quality, design, and construction. In order to operate your preamplifier properly and to realize all of the capabilities of the FET PREAMPLIFIER 01, we recommend that you read this entire manual carefully. 2 INTRODUCTION ...
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Coda 01 - page 4
AC LINE INPUT (SEE BOTTOM) GROUND LEFT PHONO / LINE RIGHT RIGHT RIGHT RIGHT RIGHT RIGHT RIGHT RIGHT LEFT LEFT LEFT LEFT LEFT LEFT LEFT LEFT RIGHT COMPACT DISC TUNER VIDEO IN RECORD ONE OUT IN RECORD TWO OUT OUTPUT LEFT RIGHT BALANCED OUTPUT RECORDER TWO The first section of the installation instructions for the FET PREAMPLIFIER 01 is a diagram of t ...
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Coda 01 - page 5
Ω Ω Ω Ω Ω Ω Ω Ω 22 22 47 47 100 100 1000 1000 1000 PF 1000 PF 200 PF 200 PF 100 PF 100 PF 50 PF 50 PF ON ON I. Set up and Installation 1. If the phono stage has been incorporated in the preamplifier it will be necessary to set the gain as well as the loading for each channel prior to installing the unit. With the unit unplugged, rem ...
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Coda 01 - page 6
3. The balanced outputs are equipped with switchable phasing due to differences in the USA/EUROPEAN standards. The default setting is EUROPEAN, but may be switched according to the following diagram. Note : These switches may also be used for selecting absolute phase . XLR BOARD XLR BOARD 4. Position the FET PREAMPLIFIER 01 in the space which you h ...
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Coda 01 - page 7
AC LINE INPUT (SEE BOTTOM) GROUND LEFT PHONO / LINE RIGHT RIGHT RIGHT RIGHT RIGHT RIGHT RIGHT RIGHT LEFT LEFT LEFT LEFT LEFT LEFT LEFT LEFT RIGHT COMPACT DISC TUNER VIDEO IN RECORD ONE OUT IN RECORD TWO OUT OUTPUT LEFT RIGHT BALANCED OUTPUT 8 7 6 DET AILED INST ALLA TION 4 6 54 5 3 2 1 II. Source-Output, and Power Connections The input and output c ...
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Coda 01 - page 8
III. Front Panel Control Functions 1. The INPUT SELECTOR control selects the source which will be presented to the unbalanced OUTPUTS and BALANCED OUTPUTS. 2. The RECORD SELECTOR control selects the source which will be presented to both of the record outputs. Because of the independent controls, one source may be monitored while a second, differen ...
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Coda 01 - page 9
8 DESIGN PHILOSOPHY I. Design Philosophy and Approach The circuitry utilized in your FET PREAMPLIFIER 01 is the result of an advanced and complete design process combining innovation and proven fundamentals. This process avoids both the limitations of total adherence to convention and the flaws resulting from inappropriate application of clever cir ...
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Coda 01 - page 10
balanced inputs on many power amplifiers. The most commonly acknowledged advantage of this is rejection of stray noise pickup, but improvements in distortion and bandwidth may occur also. While many manufacturers intentionally omit recording buffers on the grounds of signal path simplification, the potential advantages of their use were worth an in ...
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Coda 01 - page 11
II. Parts' Quality 1. Finishes - All exterior and interior metal parts are anodized. While paint may be more impact resistant, the anodized surface is more resistant to solvents and prevents corrosion. Moreover, the anodized parts' appearance can be enhanced by either graining or bead-blasting the surface. 2. Circuit Boards - Circuit boar ...
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Coda 01 - page 12
HIGH LEVEL Frequency Response: DC to -3dB @ 200kHz Distortion: <.01 percent from 10Hz to 40kHz @ 6 Volts peak into 600 Ohms or higher, shunted by 1000pF or less . Gain: 14dB unbalanced 20dB balanced Maximum Output: 12 Volts peak Noise: >100dB referenced to 1 Volt output Input Impedance: 20k Ohms Output Impedance: 15 Ohms non-reactive unbalanc ...
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Coda 01 - page 13
CARE and HANDLING 12 The interior of the unit requires no special care, due to the use of sealed controls and gold plating on contacts. If it becomes necessary to clean the exterior, a simple dusting may be all that is required. If a cleaner is necessary, any dilute commercial ammonia based product will be appropriate. NEVER use any abrasive rags, ...
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Coda 01 - page 14
13 W ARRANTY I. Warranty- Any failure of the FET PREAMPLIFIER 01 to operate or to meet specifications, applicable at time of manufacture, due to a manufacturing defect or component failure, will be corrected by Coda Technologies, Inc. without charge for parts, or labor for a period of ten years from date of original purchase. Coda Technologies, Inc ...
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Coda 01 - page 15
W ARRANTY REGISTRA TION MODEL DESIGNATION: __________________________________ SERIAL NUMBER: ______________________________________ DATE OF PURCHASE: PLACE OF PURCHASE Dealer:___________________________________________ Address:__________________________________________ City:_____________________ State:____ Zip:__________ Phone:_____________________ ...
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Coda 01 - page 16
MODEL DESIGNATION: __________________________________ SERIAL NUMBER: ______________________________________ DATE OF PURCHASE: PLACE OF PURCHASE Dealer:___________________________________________ Address:__________________________________________ City:_____________________ State:____ Zip:__________ Phone:____________________________________________ ...
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Coda 01 - page 17
ADDRESS Coda Technologies, Inc. 9941 Horn Road Suite A Sacramento, CA 95827 USA Phone: (916) 363-4653 Fax: (916) 363-4627 15 ...
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