Type 26AN


Type 26AN
Type 26AN, Insert-voltage
Preamplifier with an integrated 7-pin LEMO connector. Configured to permit use of the insert-voltage technique for determining the open-circuit sensitivity of a microphone. A ¼" to ½" adapter, GR0010, is included, so that it can also be used with G.R.A.S. ½" microphones. Cable not included.
Specifications Type 26AN
Specifications Types 26A+ Series, 26TC and 26HG
Frequency range:
2 Hz - 200 kHz (±0.2 dB)
Input impedance:
0.4 pF, 20 G Ohm
0.4 pF, 40 G Ohm (26HG)
Output impedance:
(typical) 55 Ohm
Output connector:
4/7-pin LEMO male
Power supply, Single:
28 V, 0.7 mA to 120 V, 2.5 mA
and Dual:
±14 V, 0.7 mA to ±60 V, 2.5 mA
Noise: A-weighted and:
< 2.5 µV (typically 1.8 µV) rms
< 2.3 µV (typically 1.5 µV) rms (26HG)
linear (20 Hz - 20 kHz):
< 6 µV (typically 3.5 µV) rms
< 5.7 µV (typically 3.2 µV) rms (26HG)
Gain:
–0.25 dB (typical)
Operating temperature:
–30 °C to + 70 °C
Storage temperature:
–40 °C to + 85 °C
Dimensions and weight 26AA, 26AC, 26AL, 26HG and 26TC (ex. cable):
diameter: 6.35 mm (¼")
length: 43 mm
weight: 8 g
Dimensions and weight 26AB and 26AN:
diameter: 12 mm (0.47")
length: 67.6 mm
weight: 22 g
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