Tuners

Magnum Dynalab
Tuners
MD-108
MD-102
MD-100
MD-90

Triode Series
MD-106T
MD-102T
MD-100T
MD-90T

Reciver / Integrated
MD-208
MD-308

FM Signal Amplifer
205

Antennae
ST-2
SR-100

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MD-108 Reference FM Tuner

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MSRP $6600

The MD-108 serves as the reference tuner for numerous audio reviewers and consumers alike.  Simply put, if you're considering the MD-108 you'll never have to worry about looking elsewhere again.  Magnum Dynalab has put everything they know about tuners into this piece.  It's designed and constructed with the music lover in mind, the MD-108 is a hybrid tuner utilizing a truly new ANALOG R.F. section with precise MAGIC EYE tube tuning and a separate audio stage developed to exacting standards, utilizing two 12 AX 7 tubes in the audio switching stage.

Advanced Features:

  • Quad MATRIX EYE Tube Tuning
  • Three Ultra-Sensitive Bandwidth Settings
  • Low Noise Dual gate MOSFETS
  • Custom "Potted" Torroidal Transformer
  • Five Stage Tuning Front End
  • Two Antenna Inputs
  • Hand Matched Resonators
  • Auto Blend RF circuit 

A precision tuning pot ensure optimum resolution from the five stage varactor front end. With three ultra-sensitive bandwidth setting and enhanced selectivity, you are ensured the best possible signal from any of the four antenna inputs (two analog, two digital), each selected from the front panel. An exclusive muting circuit eliminates unwanted inter-station noise (auto blend circuit). To verify performance, the MD 108 employs two accurately calibrated taut band analog meters to indicate multipath and signal strength. In unison with these meters, a unique quad MATRIX EYE tube for centre tuning means there is little guess work in optimizing FM reception. Low noise dual-gate MOSFET transistors and hand matched resonators mated to double-sided, plated circuit boards provide peak performance. The logic circuit which controls the tuner operation uses C-MOS technology, which has very high noise immunity making external transients of little impact. The logic circuit is controlled by gold plated momentary switches. With the switches always in a uniform position, the MD 108 maintains a clean, aesthetically pleasing appearance.

Not to be outdone by the specially designed front end, a separate CLASS A audio stage was designed. Using components and technology, worthy of the signal being received from the front end, the audio stage, using two 12 AX 7 tubes in the final stage and a discrete amplification system is designed to capture the ambiance of the music. The BALANCED circuit using a pair of bi-polar low noise transistors are cross coupled to ensure a precise BALANCED signal to match your other higher performance components. The Magnum Dynalab MD 108 establishes the new benchmark by which all other tuners will be judged.

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Usable Sensitivity-Mono 0.7 uV 9.0 dBf
50 dB quieting-Mono 2.0 uV 9.9 dBf
50 dB quieting-Stereo 2.3 uV20.0 dBf
Capture Ratio 1.5 dB
Image Rejection 125.0 dB
Signal to Noise Ratio 80.0 dB
Alternate Channel Attenuation - WIDE 46.0 dB
Alternate Channel Attenuation - NARROW 60.0 dB
Alternate Channel Attenuation - SUPER NARROW 80.0 dB
Adjacent Channel Attenuation - WIDE 3.0 dB
Adjacent Channel Attenuation - NARROW 21.0 dB
Adjacent Channel Attenuation - SUPER NARROW 48.0 dB
THD - Mono 0.10%
THD - Stereo 0.10%
Stereo Separation 50.0 dB
AM suppression 70.0 dB
SCA rejection 80.0 dB
I.F. Rejection 125.0 dB
19 Khz and 38 Khz component rejection 75.0 dB
Audio frequency response (=/- 1dB) 15 Hz - 17 Khz
Balanced Audio Output 2.2 V
Line Audio Output 1.0 V
Line power (must be specified) 120, 220, 230, 240 Vac
Dimensions (inches HWD) 5 x 19 x 16
Dimensions (cm HWD) 12.8 x 48.3 x 40.7
Weight (lbs/Kg) 40/17.7
Power Consumption (Typ./Max) 50 W / 100