What is 6P6S Vacuum Tube?
The 6P6S tube is a robust power beam tetrode, originating from Soviet-era production, widely acclaimed for its use in audio output stages and guitar amplifiers. Historically, it served as a reliable workhorse in various electronic devices, offering stable and consistent performance. Its sturdy construction contributed to its longevity and widespread adoption in a range of applications.
Functionally, the 6P6S tube is a direct equivalent to the popular 6V6GT, making it a highly sought-after alternative for vintage amplifier restorations and new builds. When exploring the 6P6S tube datasheet, enthusiasts and technicians will find detailed specifications that highlight its suitability for single-ended or push-pull configurations, delivering a warm and characteristic tone. While discussions about the “best year for Russian 6P6S-E tube” often arise among collectors, the core characteristics and performance remain consistent across its production lifespan.
Typical uses for the 6P6S tube extend beyond audio, although its presence in classic guitar amplifiers like those from Fender and Marshall (where 6V6GTs were prevalent) is particularly notable. Its ability to provide clean headroom and articulate breakup has cemented its place in the hearts of musicians and audiophiles alike. The enduring popularity of the 6P6S tube underscores its quality and versatility in the world of vacuum tube electronics.
What Are the Popular Equivalents of the 6P6S Tube?
How does 6P6S compare to 6V6GT?
The 6P6S is the Soviet equivalent of the 6V6GT beam tetrode, sharing the same octal pinout and similar electrical characteristics, making it a dependable substitute in audio amplifiers and radio equipment.
What Are the Pinouts of the 6P6S Tube?
The 6P6S is a robust power beam tetrode, widely recognized for its use in audio output stages and guitar amplifiers. Understanding its pinout is essential for correct circuit integration, ensuring stable and optimal performance. This tube typically uses an Octal (UX8) socket, common for many power tubes.
- Pin 1 (NC): No Connection
- Pin 2 (K): Cathode
- Pin 3 (G1): Control Grid
- Pin 4 (P): Plate (Anode)
- Pin 5 (G2): Screen Grid
- Pin 6 (NC): No Connection
- Pin 7 (H): Heater
- Pin 8 (H): Heater
What Is the Datasheet for the 6P6S Tube?
The 6P6S is a Soviet-era beam power tetrode designed as a direct equivalent of the 6V6GT. It features a rugged octal (UX8) base and is well-regarded for its warm tone and reliable performance in audio amplification.
| Parameter | Value |
| Type | Beam power tetrode (octal base) |
| Heater Voltage (Uf) | 6.3 V |
| Heater Current (If) | 0.45 A |
| Maximum Plate Voltage (Ua) | ~350 V |
| Maximum Screen Voltage (Ug2) | ~285 V |
| Plate Dissipation (Pa) | 12–14 W |
| Transconductance (S) | ~3.75 mA/V |
| Typical Output Power | ~4.5 W SE, ~12–14 W PP in Class AB |
| Base / Socket | Octal (UX8) |
| Equivalent Tubes | 6V6GT, 6V6, 6П6С (Russian notation) |
| Applications | Guitar amplifiers, hi-fi systems, radios, vintage electronics |
What is the Average Price of the 6P6S Tube?
The average market price for the 6P6S tube varies depending on its condition and origin. This robust 6P6S vacuum tube is highly sought after for its performance, influencing its price. You can often find detailed 6P6S tube datasheet information from various online tube dealers. While discussions about the “best year for Russian 6P6S-E tube” often arise among collectors, the pricing generally reflects condition and availability.
Based on current online listings (eBay, audiophile shops, and specialized tube dealers), here are the typical price ranges:
- NOS (New Old Stock) 6P6S Tube: $20 – $45 USD per tube
- Used 6P6S Tube: $10 – $30 USD per tube (depending on remaining life and matched sets)
Which Factories Produced the 6P6S Tube?
The 6P6S tube, a Soviet equivalent of the 6V6, was widely manufactured for audio and radio equipment across multiple plants:
- Svetlana — St. Petersburg, Russia
- Reflector — Saratov, Russia
- Ulyanovsk Mechanical Plant — Ulyanovsk, Russia
What Are the Best 6P6S Tubes?
Reflector, is considered the most popular and reputable manufacturer of the 6P6S tube.