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Rolls PB23 Phantom Power Adapter  

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SKU 
#428708000000000
Top Rated

Overview

  • Phantom power for mics operating at 48V DC
  • 100kHz switching power supply for no audio noise
  • Output pull down resistors let it work with any mixer
Description & Specs
  • MSRP:
    $50.00
  • Your Savings:
    - $0.01
  • Your Price:
    $4999

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If you need phantom juice, this is the way to go.

The Rolls PB23 Phantom Power Adapter is designed for 48V DC phantom-powered mics. It uses a 100kHz switching power supply so there is no audio noise generated. Output pull down resistors make the PB23 adapter compatible with any mixer. Also has 2 DC jacks so several components can use one Rolls PB23 adapter.

Features

  • Phantom power for mics operating at 48V DC
  • 100kHz switching power supply for no audio noise
  • Output pull down resistors let it work with any mixer

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Customer Reviews
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Review Snapshot®

by PowerReviews
RollsPB23 Phantom Power Adapter
 
4.5

(based on 4 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

Reviewed by 4 customers

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Displaying reviews 1-4

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(4 of 4 customers found this review helpful)

 
5.0

Simple, reliable and affordable

By Mikey the Mars

from New York City area

Comments about Rolls PB23 Phantom Power Adapter:

I use this unit to provide phantom power to a high end Crown headset mic. I chose it primarily because Rolls has a reputation for building tough equipment and it's also one of the smallest (ergo most portable) and least expensive stand-alone phantom power units on the market (choices here are limited, given most mid and upper end PA boards already provide phantom support). In use, it's been reliable and whisper quiet, even at the 48v setting (it can be set to either 12 or 48 volts). It consequently allows the condensor unit of the headset to provide an extremely clean and clear output. Our sound man says the gain on my line blows away that of the Shure 58's the other band members are using. Yes, an on/off switch would be a nice addition, but for my application that would be somewhat superfluous (the belt pack for my Crown aleady has an on/off switch, so I can avoid "pops" by keeping it off when plugging or unplugging it from the Rolls). And adding a power switch to the Rolls would likely ad more potential noise to the circuit (as well as additional cost). Note that the Rolls uses an external "wall wart" power supply (supplying 14-18v DC). While that may seem to be an annoyance (something else to misplace/lose), it's actually a slick little design approach - keeping the step-down transformer circuit away from the audio line helps keep the unit quiet. That approach is actually used in some very high end audiophile line preamps for precisely that reason.

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(2 of 2 customers found this review helpful)

 
5.0

Works great and last

By bgplayer

from Upstate NY

Comments about Rolls PB23 Phantom Power Adapter:

This adapter has provided phantom power for the single condenser mic our bluegrass band uses. 50+ shows per year for the last 6-7 years. It always works, and I've never had a backup because I trust it will always be ready to go.

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5.0

Good simple, for very small applications

By aaotigers

from Seattle, Wa

Comments about Rolls PB23 Phantom Power Adapter:

No features to it really, but in home studio use for single input mics, it's dependable, no noise and gets the job done. really needs an on/off switch, but that would be another circuit that could add noise.

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(0 of 4 customers found this review helpful)

 
3.0

Rolls PB23 Phantom Power Adapter

By PlainOldMusician

from Piscatway, NJ

Comments about Rolls PB23 Phantom Power Adapter:

Cheaply made, overall, in every way. It does do, what it says it'll do... but for how long, I'll find out I guess. Not thrilled with this purchase; would have been less diturbed at about half what I paid, maybe. If you don't need a phantom power stand alone unit, use what you've got already, in my opinion.

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