Heritage Audio DMA73 Preamp

Heritage Audio DMA73 - A Premier Dual Mono/Stereo Microphone Preamplifier

The Heritage Audio DMA73 is a top-tier dual mono/stereo microphone preamplifier, epitomizing authenticity, construction quality, and sound excellence. It's a true dual 3-stage 73-style mic preamp in a 1 rack unit, meticulously crafted to meet the demands of modern producers, engineers, and musicians without sacrificing the vintage sound character.

Key Features:

• Authentic 73-Style Preamp: Faithfully replicates the 3-stage all Class A 73 preamp, employing discrete circuitry and vintage-style components.
• Custom Components: Features custom styroflex and tantalum capacitors, ensuring high fidelity and authenticity in sound reproduction.
• Handcrafted Quality: Completely hand-made and hand-wired in Madrid, Spain, using traditional through-hole components, mirroring 70s-style craftsmanship.
• Exclusive Carnhill Transformers: Utilizes Carnhill input and output transformers, hand wound exclusively for Heritage Audio, ensuring unparalleled vintage character.
• Versatile Inputs: Offers microphone, line, and DI input options, with the DI circuit featuring an all discrete Class A JFET design for optimal direct recording of instruments.
• Modern Functionality: While maintaining vintage authenticity, it includes modern features for a wide range of applications, including reamping capabilities.

Specifications:

• Microphone Input Impedance: HI=1200 Ω minimum, LO=300 Ω minimum
• Line Input Impedance: 10 kΩ, Carnhill transformer balanced
• DI Input Impedance: >2 MΩ, unbalanced
• Output Impedance: <75 Ω, Carnhill transformer balanced
• Maximum Output: >+26 dBm into 600 Ω
• THD: <0.025% at 1 kHz, <0.05% at 100 Hz
• Frequency Response: 20 Hz (+0.3 dB) to 20 kHz (-0.2 dB)
• Maximum Gain: >80 dB
• Noise: <-100 dBm
• Power Consumption: 88 mA per rail @±16 V DC

The Heritage Audio DMA73 is not just a microphone preamp; it's a testament to classic engineering and sound quality. Ideal for studios and audio professionals who demand the iconic 73 preamp sound with modern versatility.