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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
Jul. 2005
2004 Product of the Year
by Roy Gregory
by Chris Binns
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by Scot Markwell
Sept. 2003
by Scot Markwell
Apr. 2004
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:
Shipment procedure:
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).