TB1
The TB1 is a high quality condenser pressure gradient microphone with an hand
selected 6072 “Dual Triode” tube for that sought after classic warm sound. It is
a large diaphragm Cardiod only mic. The TB1 uses a 3 um capsule for thick
warm natural reproduction of the vocal range. Features extremely low noise
and wide dynamic range.
The TB1’s polar response is very linear over a wide incidence angle. Signals com-
ing from the side and rear are reproduced accurately and without any coloration.
The microphone capsule is immune to typical interference and outside contami-
nation. The microphone is supplied with a power supply, dedicated 7pin XLR
cable, and heavy duty road case, & AC cord.
TB1 SPECIFICATIONS
Type: Single Large Diaphragm Vacuum Tube
Condenser Microphone
Sensitivity: 25mV/Pa (-32db re 0dB=1V/Pa).
Max. Output: 500mV rms (@1000Hz,<1% THD).
Max. SPL: 120 dB SPL(@1000Hz,<1% THD).
Noise Level: 16 dB-A.
S/N ratio: 78 dB
Power requirement: DJ-8 Power Unit.
Current: 200V 1mA, 6.3V 150mA.
Accessories: Mic Clip clamp, Power Supply, Power Cable,
Mic Cable (7 Pin, 5m) and an Aluminum
Carrying Case.
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B3
The B3 is a high quality true condensor pressure gradient microphone with
an FET impedance converter. It is a large diaphragm microphone with three
selectable polar patterns, Cardiod, Omni, and Figure Eight. The B3 uses a 3 um
capsule for natural reproduction of the vocal range. The B3 uses a transformer-
less circuit, that features extremely low noise and wide dynamic range.
The B3’s polar response is very linear over a wide incidence angle. Signals
coming from the side and rear are reproduced accurately and without any col-
oration. The microphone capsule is immune to typical interference and outside
contamination.
B3 SPECIFICATIONS
Sensitivity: 14/16/18mV/Pa
(Omni/Cardioid/Figure 8)
(-37/-36/-35dB @1000Hz)
Polar pattern: Cardioid, Omni, Figure 8.
Max. Output: 2.5V rms @1000Hz,<1% THD.
Max. SPL: 137 dB SPL (Cardioid) @1000Hz,<1% THD.
Noise Level: 14 dB-A (Cardioid).
S/N ratio: 80 dB.
Impedance: <50 OHMs
Power requirement: 48V +/-4V.
Current: 2.5mA.
Accessories: Mic Clip clamp, Foam Windscreen
10dB pad and low cut (high pass) filter are included on back of unit
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