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Nobsound 8-Pin Dual Bias Current Probes Tester Meter for EL34 KT88 6L6 6V6 6550 Vacuum Tube Amp Amplifier (2*Meter + 2*CT1-C, Cathode Current)
✅ In stock
F
Grade
Analysis Confidence
28%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Dec 6, 2025 9:42 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 📉No lower price has surfaced in the past twelve months, making this one of the standout deals in recent memory.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
16/20
Momentum
4/10
📝 Product Overview
Product Details
✓High-Precision Bias Current Measurement: Ensure optimal performance and longevity of your power tubes with our dual current meters, designed to accurately measure cathode current for EL34, KT88, 6L6, 6V6, and more.
✓Compatibility with Multiple Tube Models: Our tester is compatible with a wide range of power tubes, including 5881, 6550, KT66, KT100, KT120, and 7027, making it a versatile tool for various vacuum tube amplifiers.
✓Safe Low-Voltage Operation: Safeguard your amplifier and tubes by measuring bias current at the low-voltage side, reducing the risk of damage and ensuring a safe testing environment.
✓Durable and High-Quality Construction: Crafted with high conductivity copper, ceramic sockets, and gold pins, our tester guarantees solid quality and reliable performance for all your vacuum tube testing needs.
✓Easy-to-Use Guide and Comprehensive Package: Included is a detailed guide on how to use the tester for accurate bias measurements. Package contains 2 meters and 2 CT1-C cathode current probes, providing everything you need for precise and balanced tube testing.
⚙️ Specifications
Brand
Douk Audio
Power Source
Corded Electric
Style
Modern
Color
Gold
Item Weight
0.34 kg
Measurement Type
Cathode Current Meter
Manufacturer
Nobsound
Package Dimensions
7.6 x 4.72 x 3.03 inches
ASIN
B0777F8DBK
Item model number
GFJ479_New
Customer Reviews
3.9