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Heritage Audio HA73 Junior 500 Series Microphone Preamp

Load up your 500 Series rack with the '73 Junior, Heritage Audio's 1073-inspired mic preamp and DI. No EQ needed here -- just tons of Class A character! Rate and review this product
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Heritage Audio HA73 Jr Mic Pre
$899.00
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Heritage Audio HA73 Jr Microphone Preamp

The Heritage Audio HA73 Junior is a true 1073-style mic preamp in a single 500 series slot with some added features that will cover all the recording needs for engineers and musicians that don't find the need to track with EQ.

Employing only discrete circuitry and conventional components, the '73 Junior is a faithful 3 stage all class A 1073 preamp. Styroflex and tantalum capacitors have been used throughout. No corners were cut.

A useful all discrete class A hi pass filter has been added, essential for recording everything with the exception of probably kick drum and and bass.

The Line mode allows for re-amping of prerecorded tracks and it's perfect for adding some class A color to lifeless recordings.

The smart switched DI (automatically switches from MIC to DI mode when inserting a MONO 1/4" jack) is an all discrete class A JFET circuit ahead of the MIC transformer, so all the juice is there. Since its introduction in 2013, it has become a classic DI for bass.

Finally, special care has been taken with power handling, implementing internal +24v slow turn on regulation (about 20 seconds to reach full voltage). This makes your 500 series enclosure's power supply healthier and makes the '73JR independent of the rest of the slots.

zZounds is an authorized dealer of Heritage Audio products.
- Microphone input impedance: HI, 1200 Ohm minimum, LO, 300 Ohm minimum. Higher gain positions gradually have greater impedances, optimum for lo gain ribbon mics. Input is transformer balanced and floating.
- Line input impedance: 10K Ohms bridging, transformer balanced and floating.
- DI input impedance: Greater than 2 Megohms, unbalanced.
- Output impedance: Less than 75 Ohms, transformer balanced and floating, to drive a load of 600 ohms (factory terminated).
- Maximum output: Greater than +26dBu into 600 ohms.
- THD: Less than 0.025% at 1 Khz, less than 0.05% at 100Hz.
- Frequency response: 20Hz ( +0.3dB ) to 20Khz (-0.2dB)
- Maximum gain: Slightly greater than 80dB
- Noise: Less than -100dBu.
- Power consumption: 88 mA per rail @+-16VDC.
Weight, Dimensions, and Manufacturer Part Numbers
Shipping Weight: 3 lbs
Shipping Dimensions: 11 x 8 x 4 in
Manufacturer Part Number (MPN): ha73jr
Customer Reviews
Our extended 45-Day 100% Satisfaction Guarantee applies on this product Buy it, and if it isn't just right for you, return it!
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Need it now but short of cash? All we need is the first payment up front and the rest in easy monthly payments!

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We approve everyone, with very few exceptions, as long as we can verify your identity.
No interest. Ever.
It's just as if you paid the whole amount up front!
No paperwork. Nothing to track.
No application to mail or fax, no bills to pay. We automatically charge the payments to your credit card.

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Need it now but short of cash? All we need is the first payment up front and the rest in easy monthly payments!

Fast approval.
We approve everyone, with very few exceptions, as long as we can verify your identity.
No interest. Ever.
It's just as if you paid the whole amount up front!
No paperwork. Nothing to track.
No application to mail or fax, no bills to pay. We automatically charge the payments to your credit card.

We'll wait on your money so you don't have to wait for your gear!

When you checkout, just click the Play as you Pay checkbox to indicate which installment plan you wish to use.

close [x]
no minimum

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Why fight traffic and pushy salesmen when we'll bring your gear straight to your home, free of charge?

zZounds free shipping is really free!
No hidden charges or hassles on returns.
Fast, reliable delivery
We have warehouses on both coasts, so most shipments arrive in 3 days or less.
We don't collect sales tax. Bonus!
Only NJ residents pay tax during checkout.
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