Description: introduced in the late '50s, the 7581 was a super 6l6, designed for high voltage amps and even harmon kardon oem back thenthe upped ratings of 7581a series in 1960 handled even more plate wattage at 35w, 500v plate voltage, and 450v screen voltage this dual disc philips 7581a is a high quality low noise premium long life power tube, w/ a balanced stage and thick tonal bodyrevered warmth, moist mid band, and smooth comfy bass, w/ a great low-register response and rich harmonic distortionthe double solid-foil discs which capture an incredible amount of resolve, often described as a 'fat tone' w/ extended highsthe philips ecg brand is known for its top sonic echelon sound reproduction, quality metallurgy, thick top flashing, and long life full mutual gm conductance test, strong nos: 100 % gm (65 % min good)our higher power 250v mutual gm test simulates a real circuit w/ filtered dc + important life test pass (key longetivity indicator) + impeccable leak / short / gas check+ all tubes undergo a complimentary refurbish and deoxit process ~ one of a kind quality control give several sessions or up to 100+ hours w/ your specific amps voltage to settle / break-inships well packed worldwide w/ free economy postage! ~ authentic vintage hifidelity audio / power / preamp / mic tube curation by caliacoustics ~see our official web site for new arrivals + reserve/request options + pinched waist collectibles+ true-nos sealed box rarities + special edition limited runs
Price: 175 USD
Location: Leander, Texas
End Time: 2024-11-04T00:12:25.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 14 Days
Refund will be given as: Money Back
Brand: Philips
Type: Preamp Tubes
Custom Bundle: No
Model: 6L6GC 6L6 EL37 KT66 6L6GB 7581a 7027
MPN: 6L6GC 6L6 EL37 KT66 6L6GB 7581a 7027
Country/Region of Manufacture: United States
Modified Item: No
