Knob Chickenhead Raised, black

The high-quality TTEL84/6BQ5 tube with 12 watts of power is perfect for guitar, bass, and audio amplifiers. Inspired by classic NOS EL84 models, this tube is manufactured using modern production methods to ensure consistent high quality.

It offers an ideal combination of sound and reliability and is a direct replacement for all EL84 or 6BQ5 tubes.

Electrical Specifications

• Type: Pentode
• Base: Noval (B9A)
• Heater Voltage: 6.3 V (min 5.8 V / max 7.7 V)
• Heater Current: approx. 0.76 A
• Anode Dissipation: 12 W
• Screen Grid Dissipation: 2 W

Operating Conditions

• Anode Voltage (Va): max. 300 V
• Screen Grid Voltage (Vg2): max. 300 V
• Grid Bias Voltage (Vg1): -7.3 V (typical for Class-A operation)
• Anode Current (Ia): 48 mA (at -7.3 V grid bias)
• Screen Grid Current (Ig2): 5 mA

Characteristic Curves

• Amplification Factor (μ): approx. 20
• Internal Resistance (Ra): approx. 38 kΩ
• Transconductance (S): 11 mA/V

Usage Notes

• Operating Temperature: Should be operated in a well-ventilated enclosure to prevent overheating.
• Interchangeability: EL84 can be replaced by the Russian 6П14П or American 7189, taking into account different specifications.

Drill Ø: 12 mm
Rated voltage: 250 VAC
Rated current: 10 A (VDE), 16 A (UL/CSA)

• Type: Aluminum Electrolytic Capacitors
• Capacitance: 22 µF
• Voltage Rating: 450 V
• Tolerance: +/- 20%
• Operating Temperature Range: - 40°C / + 85 °C
• Dimensions: Ø 16 mm x 30 mm
• Termination Style: axial

Width ca. 135 cm
Price per linear meter.
Actual shades may vary.
We ship the tolex as one piece if you order more than 1 meter.

Material:
80% PVC Film
20% Poly-Cotton Fibre

REACH compliant

Please note !
when you order more than 1 m and select Deutsche Post / DHL Parcel (Not DHL Express)
we need to cut the width of the tolex to ca. 115 cm. Otherwise it is not
possible to ship the tolex with DHL because the parcel length would
exceed the maximum parcel length.

• Type: Metalized Polyester Film Capacitors (PET)
• Voltage Rating: 630 VDC / 220 VAC
• Tolerance: +/- 10%
• Operating Temperature Range: - 55°C / + 100 °C
• Termination Style: axial

• Type: Aluminum Electrolytic Capacitors
• Capacitance: 47 µF
• Voltage Rating: 500 V
• Tolerance: +/- 20%
• Operating Temperature Range: - 40°C / + 85 °C
• Dimensions: Ø 21 mm x 37 mm
• Termination Style: axial

Grillcloth Sample
Size ca. 9 x 9 cm
Material: 100% treated paper
Actual shades may vary.