Is it works with nfj & fx audio tube 03 preamplifier

It's a great direct replacement for the 6J1 tube. Definitely improves sound quality

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Matched Pair (2 Tubes) JAN 5654W Fully-Tested Vacuum Tubes 6J1 / 5654 /6AK5/ EF95 / 6AK5 Tube Replacement

Matched Pair (2 Tubes) JAN 5654W Fully-Tested Vacuum Tubes 6J1 / 5654 /6AK5/ EF95 / 6AK5 Tube Replacement

Product ID: 109787670

Details

Brand
Riverstone
Colour
multicolour
Manufacturer
Material
Glass
Maximum Pressure
7 Bars
Net Quantity
2.0 Count

🎯Matched within 3% for plate current & Gm

🔊Low-noise, high-fidelity audio upgrade

🛡️Military-grade ruggedized reliability

€ 141.81

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Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎵 Elevate your sound with vintage precision — don’t let your amp settle for less!

NOS LEVEL PERFORMANCE - Tested to exceed 4500 micro-mho Gm and 6.6 mA plate current for vintage tube purity.
PRECISION MATCHED PAIR - Guaranteed within 3% for plate current and mutual conductance for flawless audio consistency.
LOW NOISE AUDIO UPGRADE - Designed as a superior replacement for 6AK5/EF95 tubes, delivering crystal-clear sound.
MILITARY GRADE DURABILITY - The 'W' designation ensures ruggedized tubes with enhanced quality control and reliability.
2 YEAR CONFIDENCE WARRANTY - Backed by Riverstone Audio’s no-nonsense warranty for peace of mind and long-term use.

This matched pair of JAN 5654W vacuum tubes offers audiophile-grade, low-noise performance with military-grade durability. Each tube is precision tested and matched within 3% for plate current and mutual conductance, guaranteeing NOS-level sound quality and reliability. Ideal as a direct replacement for 6J1, 6AK5, and EF95 tubes, these tubes come with a 2-year warranty and are trusted by professionals seeking authentic vintage audio upgrades.

Specifications

ASIN	B01BFJDTW0
Best Sellers Rank	#8,448 in Musical Instruments ( See Top 100 in Musical Instruments ) #24 in Amplifier Accessories
Brand Name	Riverstone Audio
Colour	multicolour
Country of Publication	USA
Customer Reviews	4.8 4.8 out of 5 stars (1,875)
Item Type Name	vacuum tube
Manufacturer	Riverstone_Audio
Manufacturer Warranty Description	no warranty available
Material Type	Glass
Maximum Pressure	7 Bars
Nominal Wall Thickness	1.3 mm
UPC	763769918220
Unit Count	2.0 Count

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€ 141.81

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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