GE NOS NIB BLACK PLATE 5692 PERFECT BALANCED MATCHED PAIR
Perfect Matched Pair
with Triangular Black Plates and Solid-Disk Getter Rings
ACTUAL PICTURES & TEST MEASUREMENTS OF THE TUBES YOU WILL RECEIVE
Superior TRIANGULAR-BLACK-PLATE designed for critical industrial applications where 10,000 hour life, close triode section balance, rigid construction and stability are required.
- Cary 805M amps
- Cary 300 SEI
- Mastersound 845 monoblock 2008
- Audio Note M2 preamp
- Aesthetix
10,000 hour low noise Matching Platinum Pair for a 6SN7 CLASS PREAMP
ACTUAL PICTURES OF THE TUBES YOU WILL RECEIVE
Rarely do you see such a fine NOS tube pair with Perfect Specifications:
Tube # 1: 9.6mA/9.0mA and 3,000/3,000 GM 115%/115% = >100%)
Tube # 2: 8.8mA/9.2mA and 3,000/3,000 GM 115%/115% = >100%)
9.0mA and 2.600 GM (2.60mA/V) = 100%
Great USA tube soon to be extinct in NOS!
Made specifically for audio in the late 1960's and early 1970's