MP599 Microphone preamplifier for the '500' Lunchbox - Kit

Price: 319,00€ (382,80€ VAT inc.)

333,47 USD 273,41 GBP

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

Add a XT500 extender?

Add a 501 Case?

Assembled? (4 weeks delay)

Quantity

Product ID MP599

Description
Specs
Docs
Media
 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 Lunchbox^TM 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, ...),
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.

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.

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

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

lunchbox

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

Media

Sound Skulptor MP573, MP512, MP566, MP599 Preamp shootout for bass guitar

Recording classical guitar

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 orchestr...

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