Groove tube gt 66 manual

The GT66 is a large-diaphragm tube condenser, with a fixed Cardioid polar pattern. It used a subminiature GTM tube, which we believe was a pentode, wired as a triode in a Class A circuit. The capsule is Groove Tubes’ exclusive 32mm disk resonator design, in a single-sided implementation (the rear diaphragm was not sputtered). The output circuit uses a custom . Pair Groove Tubes GT-KTC Made In China Brand New. Operationally Tested And Matched By Angela Instruments. We bought many cases of these from Groove Tubes. These are from the same batch of tubes Groove Tubes matched, graded and packaged. Each tube of the pairs we ship will measures the same mA plate www.doorway.rug: manual. The Groove Tubes GT66 valve mic with its PSM1 power supply. Photo: Mark Ewing The GT66 is a chunky microphone with a matt nickel finish — it weighs about g and measures 47mm in diameter and mm in length. The side-firing condenser capsule contains a inch evaporated-gold diaphragm which is just three microns thick.

Users reviews. most recent most useful. FP User. Groove Tubes GT Published on 10/31/08 at This has everything except the multi-pattern. It even has a great shock mount. I didn't like that it doesn't come with a hard case. Price paid: $ 2, . #4. The tool inserts a 1 Ohm resistor between the cathode of the tube and ground. Pull the tube, plug in the tool, plug in the tube. Connect your meter (set to DCV, mV scale), and power up the amp. The voltage shown is the cathode current of the tube (eg. 35mV = 35ma cathode current.). The GT is a multipattern tube condenser — essentially, a multipattern version of the GT Cardioid tube condenser. It was for several years the flagship microphone in the Groove Tubes line. The GT uses components familiar to the GT product line: a 32mm, center-terminated true condenser capsule with Aspen Pittman’s disk resonator.

If present, unscrew flushing tubes (66) and remove o-rings (67) and nozzles (68 + 69). Inspect the seal to ensure it does not twist in the groove, and. Get the best deals on Groove Tubes Vintage NOS Tubes when you shop the largest online selection at www.doorway.ru Free shipping on many items | Browse your. Buy Groove Tubes® GT-ECCS Select - Preamp Tube from Walmart Canada. Shop for more Additional Auto Replacement Parts available online at www.doorway.ru