True Systems pT2-500D Precision Dynamic Preamp

B&H # TRPT2500D MFR # PT2-500D
True Systems pT2-500D Precision Dynamic Preamp


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The pT2-500D Precision Dynamic Preamp from True Systems is 500 series style module that is optimized for dynamic and ribbon microphones, and also produces high-quality results with self-powered tube microphones. Although similar to the pT2-500 Preamp, it provides more gain (76 dB) and higher input impedance, along with a low-frequency adjust control. The LO-F Adjust control is a 6-position switch that provides nuanced low-frequency contouring that can be particularly effective with vocals and bass DI applications. A discrete FET DI with In and Thru connections completes the package.

API 500 series module format
Detented, continuous gain control and dual gain ranges for 76 dB maximum gain, easy recall of gain settings, and easy gain setting over wide gain ranges
High input impedance for clarity and accuracy with ribbon and dynamic microphones
Low-Frequency Adjust control for nuanced low-frequency contouring, high definition of vocals and bass without boosting high midrange, and elimination of low-frequency mud
Real DI with In and Thru jacks for easy hookup to amps for simultaneous DI and amp'd tracking or live sound, and to other DIs or effects for simultaneous tracking or live sound
Totally balanced topology for insensitivity to ground noise/loops, insensitivity to EMI (both external and from adjacent modules/power supplies), and reduced distortion
Rail-to-rail design for higher internal headroom, higher maximum input level without pad, and higher output level without transformer and excessive power supply current
0.1% precision resistors for enhanced common mode and output signal balance performance and unit-to-unit sonic consistency
Steel enclosure for protection from EMI, RFI, ESD, and handling contamination/damage
4-level signal meter
Maximum Output 29 dBu (0.001% THD)
THD + N 0.0006% (26 dBu, Gain = 40 dB)
Maximum Input 20.5 dBu (no pad) (28 dBu, output at minimum gain)
Frequency Response 1.5 Hz to 550 kHz (-3 dB), Gain = 40 dB
Noise -133 dBu E.I.N. (Rs = 50 Ω)
Slew Rate >50 V/uS
CMRR 85 dB (CMV = 10 dBu, 30 Hz to 20 kHz)
Frequency Adjustment Range Low Frequency: 40, 80, 160, 280, and 400 Hz (-3 dB, 6 dB/oct)
Gain Range Low: Preamp: 7.5 to 59 dB
Low, DI: -9.5 to 42 dB
High: Preamp: 24.5 to 76 dB
High, DI: 7.5 to 59 dB
Input Impedance Preamp: 10 kΩ
DI: 2.5 MΩ
Power Consumption ±16 VDC, 65 mA
Dimensions (W x H x D) 1.50 x 5.25 x 6.05" (3.81 x 13.34 x 15.37 cm)
Weight 1.4 lb (0.63 kg)
True Systems pT2-500D Precision Dynamic Preamp
  • Limited 1-Year Warranty
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