Sold as a set of 4
A KT88 tube that is in a league of it's own. This KT88 tube is available in factory-matched quartets. It's construction features include black plates, black metal base, and gold pins.
The EAT KT88 has a designed maximum anode dissipation rating of 35W and is recommended for use in the output stage of an a.f. amplifier. Two valves in class AB1 give a continuous output of up to 100W. The KT88 is also suitable for use as a series valve in stabilized power supply. It's construction features include black plates, black metal base, and gold pins.
Valve Type: *KT88 DIAMOND*
Size including socket: 5.2 × 12.5 cm / 2 × 4.9 inch
by Ken Kessler
2004 Product of the Year
by Roy Gregory
by Chris Binns
by Scot Markwell
by Scot Markwell
EAT will replace the tubes providing the following conditions for all customers:
1. The tubes have a warranty of 12 months or 2000 hours of use starting with the date of purchase. The purchase data must be written and stamped by the distributor/dealer within 21 days after purchase (registration).
2. In the event of failure of the tubes, EAT or distributors/dealers will do replacement within valid warranty claims. The tubes must be returned with the original box and warranty certificate (date of purchase stamp-registration & complete return form) and prepaid shipment, otherwise warranty will be void.
3. Warranty is voided due to improper handling:
measured on a cold unscreened valve
Class AB 1, Cathode Bias, Ultra – Linear Connection (40% Tapping Points)
*It is essential to use two separate cathode bias resistors. I.M.D. intermodulation distortion measured using two input signals at 50 and 6000 Hz (ratio of amplitudes 4:1)
Class AB 1, Cathode Bias, Triode connection
*I.M.D. intermodulation distortion measured using two input signals at 50 and 6000 Hz (ration of amplitudes 4:1).