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triode preamp tube, such as 12AX7, 12AY7, 12AU7, 12AT7, 12AZ7, 12DW7, 12BH7,
ECC83, ECC82, ECC81 and more. You can try any of the above tube types in any
combination—remember, experimentation is the name of the game!
THD Electronics Contact Information
THD Electronics, Ltd.
3510 6th Avenue W
Seattle, WA 98119 - 1513
Phone: 206.781.5500
Fax: 206.781.5508
info@thdelectronics.com
http://www.thdelectronics.com
THD BIVALVE-30 INSTRUCTION MANUAL
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