Tube Preamp Comparison With Art Pro Mpa Sound on Sound

The new ART ProMPA II is the next generation in affordable loftier operation microphone preamp technology. Each microphone input circuit, with selectable 48v phantom power, features variable input impedance which can radically vary the overall performance of whatsoever high quality dynamic or ribbon microphone. The ProMPA Ii can be configured for dual mono or stereo operation with selectable mid/side mic support, summing the side by side channel, to decode left/right signals.

The ProMPA Ii tin operate at either a low or high plate voltage on the two integrated paw-selected 12AX7 tubes for wider variation of preamp tone and performance. Large dorsum-lit analog VU output meters display output levels while multi-colored LED arrays bear witness tube gain.

Housed in a standard 2u infinite rack-mountable steel chassis, with CNC routed black anodized aluminum confront panel, the ProMPA II is designed to deliver years of reliable operation in the studio, product facility, or on the road for alive sound reinforcement.

Features
• Variable Input Impedance For Flexible Microphone Voicing (150 Ohms To 2400 Ohms)
• Selectable Plate Voltage
• Large VU Meters
• Backlit Office Switches
• Discrete Class-A Input Microphone Preamplifier
• Low Noise at Lower Proceeds Settings
• Extremely Low Total Harmonic Distortion (THD)
• Wide Frequency Response
• Additional Forepart Mounted Instrument Input Jack
• Supports Mid/Side Miking Technique
• Operates at +4dbm/-10dbv Output
• Selectable Stereo/Dual Operation of Output Controls
• Automatic Instrument Input Pick

Specifications
CMRR: > 90dB
Dynamic Range: > 110dB ("A" weighted)
Equivalent Input Racket: -129dBu (XLR, "A" weighted)
Frequency Response: 15Hz to 48kHz (+0, -1dB) @ normal plate voltage 15Hz to 120kHz (+0, -1dB) @ loftier plate voltage
Input Impedance: 150-3000 Ohms adaptable (XLR), > 800K Ohms (Instrument)
Maximum Gain: 75dB
Maximum Input Level: +19dBu (cannon)
Maximum Musical instrument Input: +17dBu
Maximum Output Level: +27dBu (XLR)
Output Impedance: < 47 Ohms (XLR)
Meter Calibration: 0 VU = +4dBu outupt (+4dB mode) / 0 VU = -10dBV output (-10dB mode) z
High Laissez passer Filter: Single pole, x-200 Hz adjustable
Ability Requirements: The states - 105 to 125 VAC / threescore Hz Export units configured for land of destination
Total Harmonic Distortion: < 0.005% (typical)
Dimensions: 8.75"D x nineteen.0"W x iii.50" H (222mm ten 482mm x 88mm)
Weight: x.5 lbs (4.5 kg)

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Protect your investment with the Long & McQuade Performance Warranty

A warranty can be a very important factor when making a buying decision. Because repairs can be very expensive in terms of parts and labour costs, manufacturers unremarkably simply provide one year limited warranties that mostly only cover items that malfunction due to a manufacturer'due south defect. With an important buy such as a musical
instrument or slice of studio gear, however, many people want to have the peace of listen in knowing that their investment volition be protected should the production no longer exist performing at 100%.

Because of this, Long & McQuade provides our customers with a FREE one-year Performance Warranty on nigh of our products. The Long & McQuade Functioning Warranty supplements the manufacturer'south warranty to ensure that our customers receive consummate "no hassle" warranty coverage within their kickoff yr.

How does the Long & McQuade Performance Warranty differ from most manufacturers' warranties?

• Performance Guarantee: Normal vesture and tear is covered, and so your product will be performing as well equally the solar day you purchased it for the unabridged duration of the coverage. Band and Orchestral Operation Warranty does not include replacing pads or cleaning for woodwind instruments, unless deemed necessary by our repair staff. Ultrasonic cleaning for brass instruments will be provided if deemed necessary by our repair staff, but is not routinely offered under the Functioning Warranty.
• Product Replacement: If your product cannot exist fixed or costs besides much to set, we will supersede it with the equivalent model for no additional charge. If this is not possible, a full refund volition exist provided.
• No Lemon Policy: Your product will be replaced should the same problem occur multiple times.
• Convenient: Easy drib off and selection upwardly of the production at any Long & McQuade location.
• Guitar Setup: Guitars purchased at Long & McQuade come with 1 gratis setup, to be redeemed inside one year for new guitars and ninety days for used guitars.
• Loaners Bachelor: A loaner production may be given while the production is being repaired.
• Power Surge Protection: Your product is covered even if damaged from a power surge.
• Accompaniment Coverage: Any peripheral devices or accessories that come with your product (i.east. foot pedal, case) are likewise covered.
• Commercial Use Coverage: Music and recording professionals who purchase gear for "heavy-use" commercial purposes will still be covered.

Long & McQuade reserves the right to restrict the purchase of additional years of Performance Warranty. Used products come with a 3-month Long & McQuade Performance Warranty. Some products (i.e. computers, software, cymbals and other items) are covered just by the manufacturer's warranty. Consumables (i.e. strings, reeds, drum sticks, batteries, tubes, cross faders) are excluded as they are designed to exist replaced. Cosmetic Harm, Accidental Damage, or problems caused by Humidity or Temperature Issues are non covered. Speakers damaged by overpowering are mostly non covered. Our coverage does non provide compensation for loss of utilize. As of June 2018 the Performance Warranty is no longer transferable. The warranty is only valid in Canada.

Purchasing additional years of coverage

Some manufacturers provide warranties for longer than 1 year; however, these are usually limited warranties that do not provide the same coverage as the Long & McQuade Performance Warranty. Customers interested in more complete and user-friendly (just not necessarily longer) coverage are still able to purchase boosted years of the Operation Warranty.

If you are interested in receiving this coverage for longer than i yr, you take the option of purchasing boosted years of the Performance Warranty. The pricing is as follows:

• NEW products: 4% of the current new selling price to double the warranty from 1 twelvemonth to two years. iv% for each boosted year.
• USED products: four% of the current new selling cost to increase the warranty from 3 months to 1 twelvemonth. 4% for each additional year. Pricing for used electronic products is 4% of the original new selling price.
• GUITARS: iv% of the current new selling price to double the warranty from 1 twelvemonth to 2 years. 4% for each additional yr. $45 maximum. An boosted free setup is not included with boosted purchased years of Performance Warranty.
• Band and ORCHESTRAL instruments: $forty flat rate upwards to $ii,000 of current new selling cost to double the warranty from 1 year to 2 years.
• BRASS and STRINGS: 2% of the current new selling price higher up $2,000.
• WOODWINDS: 4% of the current new selling cost above $2,000.

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Source: https://www.long-mcquade.com/8751/Pro-Audio---Recording/Mic-Preamps---DI-Boxes/ART-Pro-Audio/Pro-MPA-II-Two-Channel-Studio-Mic-Preamp.htm

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