Description: Rare tested Amperex Bugle Boy 12AX7 / ECC83 Treble Clef tube. 17mm plates with the D getter combination. MC6 Delta 8L series Long Plate tube of the highest quality. Widely considered one of the best 12AX7/ECC83 tubes ever made and highly sought after. Hickok 6000a tested 87% NOS tube with closely balanced triodes (90.7 mu & 90.4 mu) exactly as expected in a select tube. One of the best sounding tubes for guitar and HiFi amps. Got this from tube collector estate sale. Very nice printing. Hickok and Digital Maxi-preamp 2 tested. Tested per user manual procedures on recently calibrated Hickok 6000A. Passed all tests: Filament Continuity Test: Passed Shorts Test: Passed Quality Test: Passed Mutual Conductance Test: 1100 & 1075 /1250 (minimum NOS) Gas (Grid Current) Test: Passed Life Test: Passed Confirmed Transconductance and tested Gain (MU) and side balance on Maxi-Preamp 2 tester. Also tested in THD bi value amp at operating voltage for performance and sound. Very musical low noise tube. I recommend all vintage tube pins to be cleaned before usage for best performance Will combine shipping.
Price: 147.99 USD
Location: Utica, Michigan
End Time: 2025-01-20T19:33:17.000Z
Shipping Cost: N/A USD
Product Images
Item Specifics
All returns accepted: ReturnsNotAccepted
Brand: Amperex
Type: Vacuum Tube
Model: ECC83 / 12AX7
