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side-address large-diaphragm dual-diaphragm tube alctron multipattern condenser
Specifications and Reviews
Mods for the HSGT-2B
- Advanced Audio Microphones
Dave’s mods to the HST-2b (and rebadged equivalents such as the Nady TCM-1050) include a tube swap (discard the 12AX7, install 12AT7 or 6072a/12AY7), a transformer swap (e.g. the Cinemag CM-2461 provides 12dB more headroom and 3dB more gain than the stock unit), and a Peluso CEK-367 capsule, plus circuitry changes. - Marik
Marik pioneered the modification of the HSGT-2B (and rebadged equivalents such as the Nady TCM1050), posting about the mods to various online audio forums. Marik’s suite of mods includes upgrading tubes and electronics to higher-quality parts, upgrading transformers to Cinemag/Lundahl or Marik’s own custom-wound tube mic transformers, and redesigning the circuit for optimum tube/transformer match.
Related Microphones
Ningbo Alctron Electronics Co., Ltd. HSGT-2B
Multi-Pattern Condenser Tube Microphone
Description
The HSGT-2B is a large-diaphragm, multipattern tube mic, made in China by Alctron and sold under a variety of familiar brand names.
The specs claim the tube is a selected 6072/12AT7, but is more commonly a 12AX7 which has different characteristics and is arguably a poor fit for the mic’s schematic — leading to the common and easy mod of replacing the tube (assuming it’s socketed) with a true 6072/12AY7.
The mic ships with a power supply, 7-pin cable, spider shockmount, foam windscreen, and an aluminum road case.
The Ningbo Alctron Electronics Co., Ltd. HSGT-2B is also known as: HST-2B, HSGT2B.
| Pickup Patterns | Pads & Filters |
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| Diaphragm size | Impedance | Max SPL |
|---|---|---|
| 25mm (0.98'') | 200 Ohms (Low (50-1000 Ohms)) | 134 dB |
| Weight | Length | Max Diameter | Interface(s) |
|---|---|---|---|
| 800g (28.22oz) | 180mm (7.09'') | 60mm (2.36'') |
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| Power Specifications |
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