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Warranty 

We warrant this product to be free from defects of materials and workmanship for a period of 

one (1) year from the date of purchase. We will remedy any defect identified within this period 

by repairing or replacing the product at our option. It will be your responsibility to pay for 

shipping the product to us, and if the product is determined to be defective, our responsibility 

to pay for shipping the product back to you. 

LIMITATIONS AND EXCLUSIONS. This warranty, and any other express or implied warranty, 

does not apply to any product which has been improperly installed, subjected to usage for 

which the product was not designed, misused or abused, damaged during shipping, or which 

has been altered or modified in any way. This warranty is extended to the original purchaser 

only. THIS EXPRESS, LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, 

EXPRESS OR IMPLIED, TO THE EXTENT ALLOWED UNDER APPLICABLE STATE LAW. IN NO 

EVENT SHALL IRON AGE AUDIOWORKS BE LIABLE FOR ANY SPECIAL, INCIDENTAL, OR 

CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THIS PRODUCT.  

If you suspect a defect in this product, please contact us to discuss the problem (it is possible 
that a suspected defect could be quickly remedied or due to improper usage).  

Contact us with any issues, to say hi, or share the music you’ve made. We love this gear and 

want you to love it too. 

 

[email protected]

 

 

©2019 by IronAgeAudioworks

Summary of Contents for QPP

Page 1: ...User s Manual Mic Preamp QPP 2019 by IronAgeAudioworks ...

Page 2: ...Any ventilation openings in the case need to remain open Don t use this around anything that s hot such as a radiator or space heater Don t defeat the ground pin on the plug or use a ground lift device that does Don t use a cut or damaged power cord and keep the cord from getting pinched or stepped on Don t service the box unless you re a qualified technician Power The unit is powered by an intern...

Page 3: ...stom wound Cinemag output transformer and an infinitely variable T pad attenuator A bank of 20 dB pad phase mute and 48V phantom power switches round out the feature set As with all Iron Age products the QPP uses the M2 discrete operational amplifier designed and built in house by us Block Diagram Through the IAA Custom Shop we also offer a variety of input transformers output transformers op amps...

Page 4: ...t fully clockwise The PAD button engages a 20 dB pad with a characteristic impedance of approximately 2300 ohms The 48 button provides phantom power to the microphone through the XLR connector The MUTE button turns the mic pre signal to the transformer off The PHASE button inverts the signal being set to the primary side of the output transformer inverting the phase of the output signal by 180 deg...

Page 5: ...LR jack on the rear panel of the unit Each mic pre output is a nominal 4 dBu transformer balanced line output using a Cinemag output transformer via a XLR jack on the rear panel Chassis The Iron Age QPP uses a standard 19 1RU The unit is powered by an IEC power cord and an internal bipolar power supply 2019 by IronAgeAudioworks 4 ...

Page 6: ...l 26 dBu Input Impedance 2300 Ohms transformer balanced Output Impedance 75 Ohms transformer balanced Frequency Response 0 1 0 75 dB 20Hz 20kHz Actual Measured Noise 107 dBA typical THD 15 dBu output 0 002 typical Crosstalk any channel Better than 90 dB Power Consumption 100 mA max 2019 by IronAgeAudioworks 5 ...

Page 7: ...r which the product was not designed misused or abused damaged during shipping or which has been altered or modified in any way This warranty is extended to the original purchaser only THIS EXPRESS LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED TO THE EXTENT ALLOWED UNDER APPLICABLE STATE LAW IN NO EVENT SHALL IRON AGE AUDIOWORKS BE LIABLE FOR ANY SPECIAL INCIDENTAL OR CONS...

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