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This manual is a high-quality reprint of the original 1973 RCA Receiving Tube Manual (Technical Series RC-30). It serves as a comprehensive reference for various receiving tubes, including types not found in earlier editions like RC-19. The manual spans 760 pages and includes detailed information, specifications, and illustrations for a wide range of tubes.
Key tube types covered include: 6CA7/EL34, 5AR4/GZ34, 6DJ8, 6DN7, 6LF6, 6KG6A/EL509, 6550, 7189, 7591, and 7868, among others. It also features sections on picture tubes and industrial receiving tubes, making it an invaluable resource for enthusiasts, technicians, and collectors working with vintagi electrònica.
Imatge del producte
This image displays the front cover of the RCA Receiving Tube Manual, Technical Series RC-30. The cover features the RCA logo in red, with the title 'Receiving Tube Manual' in white text on a black background. A detailed illustration of a vacuum tube is prominently featured on the right side. The bottom section of the cover is red, stating 'Including Picture Tubes and Industrial Receiving Tubes' and 'RC-30'.
Com utilitzar aquest manual
The RCA Receiving Tube Manual RC-30 is organized to provide quick and easy access to tube data. To effectively utilize this resource:
- Tube Index: Begin by consulting the comprehensive index, typically found at the front or back of the manual, to locate specific tube types by their designation (e.g., 6SN7, 12AX7).
- Data Sheets: Each tube type has a dedicated data sheet providing electrical characteristics, typical operating conditions, base diagrams, and sometimes characteristic curves. Pay close attention to voltage, corrent i potències nominals.
- Notes d'aplicació: Some sections may include application notes or typical circuit diagrams, offering insights into how specific tubes are commonly used in electronic circuits.
- Comprensió de la terminologia: Familiarize yourself with standard vacuum tube terminology and abbreviations used throughout the manual for accurate interpretation of data.
Understanding Tube Data
This section guides you through interpreting the technical data presented for each receiving tube:
- Característiques elèctriques: These tables list critical parameters such as filament voltage and current, plate voltage, screen voltage, transconductance (gm), plate resistance (rp), and amplification factor (mu). These values define the tube's performance.
- Typical Operating Conditions: This provides recommended voltage and current settings for common applications (e.g., Class A amplifier, oscillator). Adhering to these conditions ensures optimal performance and longevity.
- Base Diagrams: Essential for proper wiring, these diagrams illustrate the pinout of the tube base, indicating the function of each pin (e.g., plate, grid, cathode, filament).
- Characteristic Curves: Where provided, these graphs (e.g., plate current vs. plate voltage for various grid voltages) offer a visual representation of the tube's behavior under different operating conditions.
Always cross-reference data with the specific application to ensure compatibility and safe operation.
Applying Manual Information for Tube Maintenance
While this manual is a reference, its data is crucial for maintaining and servicing tube-based equipment:
- Tube Substitution: Use the detailed specifications to identify suitable replacement tubes when an exact match is unavailable. Compare electrical characteristics, pinouts, and physical dimensions carefully.
- Ajust de biaix: The manual's typical operating conditions provide target bias points for amplifiers, crucial for setting up and maintaining tube circuits for optimal sound or performance.
- Selecció de components: Understanding tube characteristics helps in selecting appropriate passive components (resistors, capacitors) in associated circuitry to ensure the tube operates within its safe limits.
- Esperança de vida: While not explicitly stated for each tube, operating tubes within their specified limits, as detailed in the manual, is key to maximizing their operational lifespan.
Troubleshooting with the Manual
The RC-30 manual is an essential tool for diagnosing issues in tube circuits:
- Voltage Comprovacions: Compare measured voltages at tube pins (plate, grid, cathode) against the typical operating conditions listed in the manual. Significant deviations can indicate a faulty tube or component.
- Mesures actuals: Use the manual's data to verify expected current draws. Incorrect current can point to issues like shorted tubes or incorrect biasing.
- Verificació de pinout: Incorrect wiring is a common issue. The base diagrams are critical for verifying that tubes are correctly inserted and wired into their sockets.
- Identifying Tube Types: If a tube's markings are faded, the manual's images and physical dimensions can help identify the tube type, allowing access to its specifications for troubleshooting.
Especificacions
| Atribut | Detall |
|---|---|
| Editor | ANTIQUE ELECTRONIC SUPPLY |
| Data de publicació | 1 de gener de 1973 |
| Llengua | Anglès |
| Longitud d'impressió | 760 pàgines |
| ISBN-10 | 9995135582 |
| ISBN-13 | 978-9995135584 |
| Pes de l'article | 1.2 lliures |
| Dimensions | 0.75 x 5.75 x 8.25 polzades |
Garantia i Suport
As this product is a reprint of a historical technical manual, it does not typically come with a manufacturer's warranty for the content itself. Any issues regarding the physical quality of the reprint (e.g., binding, print clarity) should be directed to the retailer or publisher from whom it was purchased.
For support related to the content or specific tube applications, it is recommended to consult forums, communities, or experts specializing in vintage electronics and vacuum tubes, as the original authors or publishers may no longer provide direct technical support for this historical document.
Publisher Contact (for physical product inquiries): ANTIQUE ELECTRONIC SUPPLY
