SKU:9298065453

Matched Pair General Electric GE 12BH7 12BH7A Vacuum Tubes 12AU7 Substitute For Tube Rolling Copper Support Rods

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Regular price $40.00 USD
Regular price $80.00 USD Sale price $40.00 USD
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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19

Description

Matched Pair General Electric GE 12BH7 12BH7A Vacuum Tubes 12AU7 Substitute For Tube Rolling Copper Support RodsThis matched pair of GE 12BH7AA dual triodes was tested on our Maxi Preamp II for shorts, gas, noise and gain. There were no shorts, noise or gas and they tested as follows: Tube One: Gain (Mu (): 15. 6 15. 7 (16 is new nominal) Tube Two: Gain (Mu (): 16. 2 15. 4 These take a little more current than 12AU7s, so please be sure your device has some juice to spare. These tubes have copper support rods, six additional cooling holes per plate and

It measured an almost-perfectly-balanced 78/76 where minimum (65%) is 62/62

These tubes have great bass and sparkling highs and Mann's voice is warm and clear as a bell

It has a nifty

Sonotone-LABELED PC88 / 4DL4 tube tested to spec on our Paul Hart-calibrated TV7/U

These three GE 6AF4 tubes tested to spec on our Paul Hart-calibrated TV7/U

These tubes have 8Y2 D3L3 and 8Y3 D0C3 date/provenance codes

1941 in fulfillment of a US government contract for which WE had insufficient capacity and had to subcontract out

This lot of four new old stock

a flared base

new in box GE 6AG5 tubes tested to spec on our Paul Hart-calibrated TV7/U

61 and 66 where minimum (65%) is 45

new in box GE 11BQ11 tubes tested to spec in our TV7/U

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Exchange/Return Notes
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