Bourns Potentiometer GTR 250k log Solid Shaft

Bourns PDA24 Potentiometer, SRT-Type (Standard Rotational Torque), smooth torque
This specialty potentiometer is commonly used in guitar and bass amplifiers. However, it is also suitable for use in electric guitars and basses. This product is designed with the features most widely requested by amplifier designers.

• Mounting: Panel
• Shaft Type: round, straight
• Terminal: Solder Terminal
• Power Rating:
  • Log: 250 mW (1/4W)
  • Lin: 500 mW (1/2 W)
• Max. Operation Voltage:
  • Log: 250 V
  • Lin: 500 V
• Standard Resistance Tolerance: 15%
• Operating Temperature: - 10 C bis +70 C
• Diameter Shaft:    6,35 mm
• LengthShaft: 19 mm
• Rotational Torque: Standard, 20 to 40 g-cm

Mallory Type 150 is a general purpose capacitor for use in blocking, bypass, decoupling, smoothing and some timing applications.

• Epoxy end fill meets UL94V-0
• Non inductively wound
• Flame retardant outer wrap meets UL510
• Non polar

Specifications:

• Operating Tempeature Range: –55 ºC to +125 ºC (derate linearly to 50% rated voltage at 125 ºC)
• Dielectric Withstand Voltage: .6 x rated voltage for 2 s @ +25 ºC ±5 ºC
• Dissipation Factor (DF): tgd x 10–4 at +25 ºC ±5 ºC
• Insulation Resistance: 10,000 MO x µF, 30,000 MO Min.
• Self Inductance: 1 nH max. per 1 mm lead and body length
• Life Test: 1000 hrs @ 85 ºC 1.25 x Vn
• Damp Heat Test: 95% RH @ +45 ºC for 21 days
• Soldering: 260 ºC ±5 ºC for 10 s ±1 s
• Long Term Storage Stability: ?C/C = ±3% after 2 years

TT Selection: V1 - Low Noise
This tube is selected for sensitive input stages (V1)

Sweet and warm sounding preamp tube with high gain. We recommend this tube for guitar/bass amps.

Files:

• Datasheet

2 tubes, matched as pair

EL34 II has fuller low mids and low end but does not lose headroom in the high end. Stronger than regular JJ EL34 but not as aggressive as the JJ E34L.

Typical Characteristics

• Ua = 250 V
• Ug3 = 0 V
• Ug2 = 265 V
• Ug1 = -13,5 V
• Ia = 100 mA
• Ig2 = 14,9 mA
• S = 11 mA/V
• Ri = 15 kΩ
• μg2/g1 = 11

Limiting Values

• Ua0 = 2000 V
• Ua = 800 V
• Wa(max) = 25 W
• Ug20 = 800 V
• Ug2 = 450 V
• Wg2(max) = 8 W
• Ik = 150 mA
• Uk/f = 100 V
• Rk/f = 20 kΩ

Files:

• Datasheet

HiWatt Style Output Transformer, Dropin-Replacement

• Primary: 3.8 kOhm
• Secondary: 4,8 and 16 Ohm
• Power: 75 Watt
• Made in Europe

Files:

• Datasheet

• Resistance: 25k Ohm
• Power: 0,25 W
• Max Voltage: 250 V
• Grid 12,5/10 mm
• Ø: 15,0 mm
• h: 7,0 mm

• Type: Aluminum Electrolytic Capacitors
• Capacitance: 100 µF
• Voltage Rating: 100 V
• Tolerance: +/- 20%
• Operating Temperature Range: - 40°C / + 85 °C
• Dimensions: Ø 10 mm x 30 mm
• Termination Style: axial

• Type: Cancap
• Capacitance: 50 + 50 µF
• Voltage Rating: 500 V
• Tolerance: -10 % / +30 %
• Operating Temperature Range: - 25°C / + 70 °C
• Dimensions: Ø 35,5 mm x 51,4 mm
• Termination Style: radial, solder-lugs

• Type: Cancap
• Capacitance: 32 + 32 µF
• Voltage Rating: 500 V
• Tolerance: -10 % / +30 %
• Operating Temperature Range: - 25°C / + 70 °C
• Dimensions: Ø 35,5 mm x 51,4 mm
• Termination Style: radial, solder-lugs