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> Classifieds > > > Electro Harmonix 6H30Pi EB Gold Pin Cryo Certified Matched Pair

FOR SALE: Electro Harmonix 6H30Pi EB Gold Pin Cryo Certified Matched Pair

Item #649371566
Info: Electro Harmonix 6H30Pi EB Gold Pin Cryo Certified Matched Pair

Asking Price:
AUD $80.00
Payment method: Cash, Paypal, Money Order
Shipping weight: 0.50 (kg) Calculate Shipping
Condition: 10 - Mint (?)
Date Posted: Aug 06, 17 10:45pm (PST)
Edited: Aug 11, 17 2:46pm
About Seller: 035pop
Willagee, WA
Australia
[other classified ads]
Product Brand: electro harmonix
Product Model: 6H30Pi
Feedback Received: 1  See details
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Description

The Electro Harmonix 6H30Pi presented here is the super linear-military, dual triode version. The EH Gold Pin 6H30Pi's are warmer sounding than the Sovtek version. These EB series tubes have a typically 5,000 - 10,000 hours life. Mostly used as preamp tube in high end preamplifiers (eg. Audio Research)

Have been checked for noise and microphonics after a 24hour burn-in process.

Cryoset Deep Cryogenic Treatment:

The process makes a permanent change and the benefits do not deteriorate over time or upon return to operating temperature, it changes the whole way the vacuum tube performs. The major benefit has been a dramatic improvement in dynamic range,micro detail with an increase in speed. Bass response has been clearer with a reduction in micro phonics. The proprietary Cryoset treatment process utilizes a computer controlled, cryogenic chamber to very gradually reduce the temperature of the tubes to 300 degrees below zero (Fahrenheit) and holding them there for a minimum of 24 hours. After the extended dwell at this cryogenic temperature, the vacuum tubes are then very slowly brought up to ambient temperature over the next 24 hours and stabilized. The process is a "dry" one that utilizes liquid nitrogen as a cryogen that is flashed into the chamber. The tubes are never exposed to the actual liquid. All these processes are microprocessor controlled under strict and verifiable conditions.

Postage for Australia $15



Includes:

2 matched 6H30Pi Cryoset certified tubes.



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