ModWright LS36.5DM balanced tube linestage preamp is based around a pair of 6H30 valves with balanced topology and external power.
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The Modwright LS 36.5 DM takes the performance of the LS 36.5 to the next level by adding the PS 36.5 dual-mono, all-tube external power supply. This PS 36.5 features a complete dual-mono topology, including dual tube rectifiers and tube voltage regulation circuitry.
Other features include true balanced inputs and outputs, refinements in power supply design, voltage regulation, and driver circuit design all serve to raise the bar. Refinements in grounding, transformer coupling and shielding also yield a 2 x lower noise floor than its predecessor!
LS 36.5 DM Features
One set of XLR inputs
Four sets of RCA inputs
Two sets of RCA Main Outputs
One set of RCA Tape Outputs
One set of XLR balanced outputs
Front Panel controls include: Power, Input Select and Mute, Phase (also on remote), HT/BP
(Home Theater Bypass) and volume control (also on remote)
Custom MWI remote control for volume, phase and mute
Tube complement: (2) 6H30 Russian Super Tubes, (1) 5AR4 rectifier
Tube rectified power supply
Input Impedance: 50Kohm
Output Impedance: 110ohm
Frequency Response 20Hz - 100Khz +/-1dB
Noise Level: -125dB
Choke loaded power supply
Discrete Constant Current Sourced B+ regulators
Gain Stage: Pure Class A, cathode bias 'Mu'* gain/buffer stage with zero feedback
Power sequence: Mute delay turn on sequence with soft start for improved tube life
Volume Control: remote control Alps motorized volume control
Dimensions: 17-1/2"W x 12-1/2"D x 4-3/4"H
Weight: 27 lbs. (30 lbs. shipped)