KT88-STR TAD Premium Matched

RT89
Variants Description Stock Price Quantity
RT891 single (1 selected tube) on_Stock € 54,90
RT892 Pair (2 matched tubes) on_Stock € 109,80
RT894 Quartet (4 matched tubes) on_Stock € 219,60
RT896 Sextet (6 gematchte Röhren) on_Stock € 329,40
RT898 Octet (8 matched tubes) on_Stock € 439,20

(incl. Tax excl. shipping)

KT88-STR TAD Premium Matched


Our Favourite Tube in the KT88 / 6550 Class

The latest version of our TAD KT88-STR is built in the style of the early British MOV KT88. It has the same big and heavy glass envelope and beautifully polished metal base. Its wonderful tone and great appearance make this tube the most attractive choice for high-end audio applications and powerful bass guitar amps.
It offers a vivid and three-dimensional tone, pleasingly warm, detailed and with subtle highs. A very musical reaction, with great sound and finest details in mids and top-end; a linear and harmonious overall response with a very natural tone, make the TAD KT88-STR our favorite tube in the KT88 and 6550A class.

Q: When does a power tube become a Premium Selected power tube?
A: All power tubes labeled Premium Selected have passed the following tests:
- Plate Current (PC) and Amplification (TC)
- Low Noise Test
- Microphonic Test
- Sonic Tests
- Shock Tests
- Listening Tests
- Shorts & Leakage Tests

Premium RT-Matching of Power Tubes
Our Premium Matching is an exact matching of power tubes with identical Plate Current (PC) and Transconductance (TC).

TAD Premium Selected tubes are guaranteed for a period of 6 months (according to terms of warranties) for the quality criteria mentioned above.

RohS Compliant
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Eric MILLOT (5/5)

Following the purchase of these Tubes TAD KT88 STR, and after thirty hours I am filled by listening to these tubes.
My PP-UL Amplifier is homemade, and after listening to EH KT88 EH KT90 and JJ KT88.
I have to admit that these TAD Tubes are really hard-hitting in a HIFI listening.
Thanks to TubeAmpDoctor for making me discover these KT88, and thanks to Stefan for these technical advices.
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