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9 polar patternst.bone Retro Tube II

Multi-Pattern Tube Condenser Microphone

The Retro Tube II is a 9-pattern tube condenser microphone with switchable pad and filter, in a bottle-style housing.

The capsule measures 35mm O.D. and is presumably a K67 type.

The pattern control switch offers 9 polar patterns: Omni, Cardioid, Figure 8, with six intermediate steps. Pattern is selected via a stepped rotary control on the power supply. The mic’s sensitivity changes across patterns.

Two microswitches on the body of the microphone selectively enable a -10dB pad and high-pass filter.

The Retro Tube II ships with a vintage-style power supply, elastic shockmount (with metal frame), foam windscreen, velvet-lined wooden storage case for the microphone, and a large locking flightcase.

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Pickup Patterns Pads & Filters
Omnidirectional (2.8 mV/Pa; 20 - 20,000 Hz)
Cardioid (3.6 mV/Pa; 20 - 20,000 Hz)
Bidirectional (4.4 mV/Pa; 20 - 20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Capsule diameter: 35mm
75 Ohms (Low) Max SPL: 160 dB
Self-noise: 18.7 dB(A)
Weight Length Max Diameter Interface(s)
1084g (38.24oz) 207mm (8.15'') n/a
  • 3-pin XLR male (1)
Power Specifications
  • Includes tube power supply

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