CRITICAL QUAD
CRITICAL QUAD
CRITICAL QUAD
CRITICAL QUAD
CRITICAL QUAD
CRITICAL QUAD
CRITICAL QUAD
CRITICAL QUAD
CRITICAL QUAD
CRITICAL QUAD
CRITICAL QUAD

PURE ANALOG

QUAD ANALOG AUDIO RECORDING PREAMPLIFIER

DIGITALLY CONTROLLED RELAY BASED GAIN CHANGER 

Critical Quad with incredible detail, high bandwidth, simple operation and cleverly programmed controls.

 

If Instrument input is selected, phantom power will not turn on. When select Instrument input, if phantom power turned on, phantom power will turn off automatically. When the phantom power is turned on, channel is muted automatically at 250 milliseconds so pop noise is eliminated.

4 x Balanced XLR Input

2 x Unbalanced Hi-Z Instrument Input (For Ch A and Ch B)

5Hz - 400Khz BandWidth

66dB Gain Stage

Digitally Controlled Relay Based Gain Changer

2dB Per Step Encoder Control With Illumination (First Stage Blue 30dB, Second Stage Red 60dB)

Total Recall Controls

Phantom Power Protection On Input And Output Stage.

Switch Mode Power Supply (100-260 Volt AC Input)

Cnc Machined Surface

Anodized Aluminium Alloy Case

Laser Printed Layout

Hand Crafted

Price:  $2400

Blind Test is Comparing With Five Different Brands. Direct listen or Download tracks and please your brand ranking send by an e-mail to us for survey. We will send to you which track are which brand.

Recording Equipment:

Yamaha CX 3 Disklavier Piano

Two match pair Neumann U87 Condenser Microphone

Aurora(n)24 Thunderbolt AD/DA

Five Different Preamps (Same Gain Value)

Recording Sample Rate 176.4 kHz (Converted 44.1 kHz for Web)

CRITICAL QUAD