• Cinemag Input Transformer
• Edcor Output Transformer
• 80dB Gain
• D.I. Input (active, unbalanced)
• Phantom Power
• Phase Switch
• Output Attenuator
• XLR Microphone Input
• TRS Line Output (balanced)

Mic Section
Max Microphone Input Level: +1dBu
Input Impedance: 200Ω
Pad: None
Gain (no pad): +13dB to +80dB
Equivalent Input Noise (noise floor): -105dBu

THD+N (@ +4dBu output):

•.10% @ +9 dBu
•.12% @ +35 dBu
•.13% @ +45 dBu
•.16% @ +60 dBu
•.85% @ +76 dBu

Bandwidth (1kHz, 150Ω source, unweighted): 10Hz to 30kHz

D.I. Section
Max D.I. Input Level: +18dBu
Input Impedance: 1.1MΩ
Pad: None
Gain: Up to +25dB of gain
Equivalent Input Noise (noise floor): -100dBu

THD+N (@ +4dBu output):

•.021% @ +10 dBu
•.016% @ +20 dBu

Bandwidth (1kHz, 600Ω unbalanced source, unweighted): 10Hz to 30kHz

Output Section
Max Output Level: +28dBu
Output Impedance: 600Ω

Power Supply
• 24VAC, 500mA External Supply

Product Weight
• 3.2 lbs

Product Dimensions
• 9.5” x 6.5” x 1.75”

Shipping Weight
• 5.5 lbs

Shipping Dimensions
• 13” x 11” x 5”

Product Specs

Brand New (New)
Black Lion Audio
B173 500 Series Preamp
500 Series, Microphone Preamps

About The Seller

Westlake Pro
Joined Sep 2015
Universal City, CA, United States


Accepted Payment Methods

Shipping Policy

Available for local pickup from Universal City, CA, United States

Ships from Universal City, CA, United States to:

Continental U.S.

I will ship with tracking to the continental United States. Alaska, Hawaii, and international shipments may incur additional charges.

Tax Policies

This shop collects taxes in the following regions:

Location Tax Rate
California, US 9.5%
Tax is calculated automatically in checkout for the following U.S. states:
*State sales tax is required in this region. Learn More

Return Policy

Return Window

This product can be returned within 30 days of receipt.

General Terms

Items must be returned in original, as-shipped condition with all original packaging and no signs of use. Buyer assumes responsibility for all return shipping costs unless the item was not received as described.


Buyer receives a full refund in their original payment method less any shipping costs.

Special Conditions

New items may be returned with original packaging, a 15% restocking fee may apply. No returns on software. Used gear is guaranteed to be as described. There are no returns on used gear, unless gear arrives DOA.

Accepted Payment Methods

Credit Card
Reverb Bucks

As low as $53/month

Westlake Pro

Universal City, CA, United States
Joined: Sep 2015

Seller Achievements

Black Lion Audio B173 500 Series Preamp
+ Free Shipping