USA CUSTOMERS:

ALL USA ONLINE ORDERS ON HOLD. CONTACT US VIA OUR CONTACT FORM TO MAKE AN ORDER.

NOTE: Your order may attract import duties / tariffs outside our control. Also, the suspension of the de minimis expemption on products under US$800, will result in additional costs and delays. Shipping times may also be unpredictable due to unprecendented processing challenges faced by customs. Brad's Guitar Garage will not be liable for any additional costs incurred. These additional costs must be paid by you, the customer upon importing. There's no further relaible information at this point, but we'll try to find out more as the situation develops.

Get your Blues Junior roadworthy with a PCB upgrade.
The hottest and highest energy area of your amplifier requires top quality material and design to last.
Full installation & testing video tutorial here:

Specifications:

• Genuine Belton Micalex sockets
• 2oz copper (double sided for trace and clearance optimisation)
• Through plated holes
• 1.6mm thick TG 150-160 FR4 substrate
• Improved heater traces for lower hum (double sided PCB)
• Cathode current sense resistors - 1W, 1Ω 5% flameproof (Yageo FMP100JR-52-1R)
• Test points provided for monitoring cathode current (1mV = 1mA)
• Heater balance resistors - 100Ω 1/2w fusible non-flammabe (Vishay NFR25H0001000JA500)
• Flyback diodes for output protection if accidentally run without a load (Rectron R3000F)
• Isolation slots between pads to prevent arcing

BEFORE PURCHASING, PLEASE NOTE:

• These PCB's are to be installed by qualified experienced technicians only.
• Dangerous, potentially lethal voltages may be present. Do not attempt to disassemble amplifier unless qualified and experienced.
• No support can be offered other than the required documentation and connector map.
• It is likely that the existing set of EL84's may be damaged and defective due to issues experienced with the factory PCB. It is advised to factor in a new matched set or at least testing of the existing valves before attempting to replace the PCB.
• Other components in the amplifier may have sustained damage due to issues experienced with the factory PCB. Ensure proper and adequate testing of the entire unit before and after replacement of the PCB.
• DO NOT UNDER ANY CIRCUMSTANCES REPLACE ANY FUSES WITH A HIGHER CURRNET RATING IN YOUR EQUIPMENT!
• The cost, appearance, finish and design of these PCBs are subject to change without notice due to component and manufacturer availability, supply chain issues, design improvements etc.

Fender Musical Instruments Corporation (FMIC) has no involvement or association with this product or it's development. This product was entirely independently developed by Brad's Guitar Garage. "Fender" & "Pro Junior" are trademarks of Fender Musical Instruments Corporation.