4CX1000A

4CX1000A has no equivalent designation confirmed by the archive. Completed sales put the typical price at $99.10 per tube.

What 4CX1000A Sells For
MeasurePer tube
Median$99.10
Typical range (25th–75th) $64.10 – $413.76
Most sales (10th–90th) $39.15 – $800.00
Extremes incl. outliers $39.15 – $800.00
Completed sales18
By Brand
BrandMedianRangeSales
Eimac$108.57 $69.01 – $514.058
By Condition
ConditionMedianSales
NOS$657.024
used$83.5010

Per-tube prices from completed sales, 2026-06-25 to 2026-09-14. Matched pairs and quads are divided out. See the price index for how these move over time.

Datasheets

Original manufacturer datasheets for 4CX1000A, hosted by Frank Philipse's Electron Tube Data sheets.

ManufacturerDesignationDatasheet
Eimac 4CX1000A PDF (475 KB)
In the Archive

Documents held here and used to write this page.

1 further designation appears alongside 4CX1000A in the literature but below the evidence threshold used here, so it is not listed as equivalent.