Up for sale is a world-class, meticulously matched pair of two pieces (2 Pcs) of vintage original Mullard ECC88 vacuum tubes. Renowned worldwide in high-end audio setups for their classic British warmth, pristine midrange fluidity, and incredibly holographic soundstage development, these valves represent premium European tube engineering at its finest.
This tubes comes in New in White Box .These specimens proudly exhibit clean, iconic white Mullard Shield stamps alongside "BVA" and "MADE IN GREAT BRITAIN" factory markings. Featuring a structurally robust Grey Plate arrangement and an elegant Top Ring Getter config, they remain in immaculate physical and mechanical condition.
Testing & Verification: Both dual-triode valves have been thoroughly processed and measured on our laboratory-grade Amplitrex AT1000 analyzer under true factory parameters. Tested against standard factory baseline operational metrics for the ECC88 families Ip = 15.0 , Gm = 12500, these rare tubes display outstanding mutual conductance and high current emission balance, providing an exceptional option for premium line stages and phono preamplifiers.
| Sr. No. | Test Triode | Parameter Ip mAdc | Result Ip mAdc | Percentage Ip | Parameter Gm uMhos | Result Gm uMhos | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 1780095 | T1 | 15.0 | 13.0 | 87% | 12500 | 11380 | 91% |
| T2 | 15.0 | 12.0 | 80% | 12500 | 11200 | 90% | |
| 1780016 | T1 | 15.0 | 15.4 | 103% | 12500 | 11100 | 89% |
| T2 | 15.0 | 13.6 | 91% | 12500 | 11260 | 90% |
We are specialized suppliers of high-grade vintage vacuum tubes and valves, maintaining an industry lineage established back in the 1970s. With an extensive inventory of nearly 300,000 components, we serve high-end audiophiles and vintage equipment restoration collectors worldwide. Every tube is strictly evaluated using calibrated industrial testing instruments such as the Amplitrex AT1000 to guarantee absolute transparency.
Note: Custom duties and taxes are the responsibility of the buyer in their country.
NOS Audio Tubes — Mumbai, India