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Home » Preamplifiers
MP599 Microphone preamplifier for the '500' Lunchbox - Kit

MP599 Microphone preamplifier for the '500' Lunchbox - Kit

Price: 279,00€ (334,80€ Inc. Tax)

The MP 599 is based on one SK99 discrete Op-Amp, one Lundahl input transformer and one Lundahl output transformer.

Quantity:
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+
  Product ID MP599
  Updated
18/03/2018
  •    Description
  •    Options
  •    Specs
  •    Docs
  •    Reviews

MP599


The MP 5.99 is based on one SK99 discrete Op-Amp, one Lundahl input transformer and one Lundahl output transformer.

Because of the high performance, mu-metal core Lundahl transformers, the MP 5.99 features the warmth of the iron but it is also an extremely transparent mic pre that will capture all sound sources with extreme finesse.

The MP 5.99 is great on all transient rich sources like acoustic and percussive instruments. It will shine in close or distant miking applications.

Just install it in your API* compatible LunchboxTM rack and start recording.

Highlights

  • SK99 low noise, wide bandwith Discrete Op-Amp (DOA) pinout compatible with the API* 2520
  • Lundahl transformers on input and output
  • 66 dB of gain
  • Dual track gain potentiometer for precise gain setting, even in high gains
  • Variable output pad
  • DC servo eliminates linking capacitors.
  • Fet DI input, relay switched, the signal passes through the input transformer
  • Signal/Clip LED monitors signal with full wave rectifier
  • All low level signals switched by relays
  • Golden contacts on relays and switches
  • Nicely damped quality conductive plastic potentiometer
  • 1% metal film resistors
  • High grade 105°C low ESR electrolytic capacitors
  • High grade double sided PCB with plated holes
  • Available assembled or as a full kit (everything included)

What's in the kit?

Absolutely everything!

  • Passive components (resistors, capacitors),
  • 2 Lundahl transformers
  • Active components (diodes, transistors, LED, ...),
  • SK99 DOA kit,
  • Front panel elements (switches, potentiometers, knobs),
  • Connectors, relay,
  • PCB's,
  • Front panel and side panel,
  • All hardware

You bring the solder (use good quality solder, 1mm diameter max) and the Lunchbox.

Difficulty level

The MP599 kit is an easy build. The DOA is a little more difficult because of the components density.

lunchbox

Product Options

XT500 Extender

The XT500 option is a cable extension that allows you to test and setup the module outside the lunchbox while connected.
You get a discount when you puchase it as a Kit option.

Go to the XT500 page

501 Case

The 501 case option is a standalone, single slot lunchbox with PSU.
The XT500 Extender is not needed with the 501.

You get a discount when you puchase it as a Kit option.

Go to the 501 page

Assembled Product

If you prefer not to DIY, choose an Assembled product.
It comes fully assembled, ready to use.


Technical specifications

Measure Conditions Value
Iddle supply current No input signal

V+ : +51 mA
V- : -47 mA

Input impedance f=1kHz
1.4 kΩ
Maximum input level   +22 dBu
Maximum output level before clip f=1kHz +26 dBu
Minimum gain   -15 dB
Maximum gain   +66 dB
EIN Zin=0Ω
Bandwidth=0-30kHz
-129 dBu
Frequency response Gain=+40dB
Deviation < 1dB
10 Hz - 70 kHz
THD f=1kHz
Gain=+40dB
< 0.007%
DI input impedance   > 1 MΩ
DI gain range   -33 dB to +45 dB
DI max input level   +15 dBu

 

Documents


  Go to Products technical documentation

  User manual

 
1 Product Reviews - Average rating 5 / 5 (Show All)

Click to review this product

Does things other preamps do and then some more

Frans Stummer - 16/04/2019

How do you evaluate a preamp? I would sort them between the two extremes of "having no sound at all" and having "a lot of sound". The MP 5.99 has not that much of an own sound. That in itself it neither good nor bad, it just tells what it CAN do versus what it can not. For example, softening a sound or pushing it to overdrive with a gradual slope into creamy, buttery overtones.. it does NOT. The MP 5.99 keeps the input sounding muscular and quick, if it's not a mic on a cottonball, see? Let's have a look at the other end of the "preamp-color-chart", a completely 'transparent' preamp, transformerless on input and output, superfast slew rate, super high bandwidth, etc. etc.: these, albeit toutet as desirable, or "true" or "hifi" or whatever lipstick you want to put on them.. are (at least in my world) close to useless without a tape machine. Why? Because they work well on signals that are already close to perfect sounding and at a good distance. Like an orchestra. Put these type of preamp on a snare close mic i...

Click to review this product

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