Cary Audio CAD-211FE

Cary Audio CAD-211FE is a pair of reference monoblock tube amplifiers delivering powerful performance and captivating musicality

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The CAD-211FE Valve MonoBlock Power Amplifier represents Cary Audio’s primary product which the company developed as their most potent monoblock amplifier. The amplifier exists as a high-end product which delivers exceptional power while its creators designed every technical detail of its components.

Monoblock amplifiers provide better sound reproduction and speaker control abilities than standard power amplifiers because they operate as dedicated units which amplify one audio channel. The system produces superior bass control because it uses dedicated power to drive bass through its single channel which delivers complete power to one speaker. The complete separation between the two channels also helps to almost completely eliminate cross-channel interference, creating a wider, clearer, and more three-dimensional soundstage compared to conventional amplifiers, where both channels share a common power source and circuitry.

CAD-211FE (Black):


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The independent design of a monoblock amplifier provides multiple benefits which include better upgrade options and compatibility with various speaker and preamp systems, while each power supply block ensures music playback stability during high volume performance. The distribution of heat across the blocks enables components to maintain dependable function throughout an extended duration. Monoblock amplifiers become the best choice for high-end audio enthusiasts who want to experience supreme sound quality because they deliver better performance than standard power amplifiers which cost less and occupy less space.

The Cary Audio CAD-211FE amplifier operates in its Class A mode to produce 70W of power which results in a natural and smooth musical performance. The amplifier automatically switches its operation to Class A/B mode when users demand additional power which enables the device to use 110W while its maximum capacity reaches 150W in Class B. The amplifier uses this combined system to produce high-quality audio because it satisfies the power requirements of loudspeaker systems.

The amplifier is constructed according to Cary Audio’s dedication to excellent “build quality” standards. The amplifier employs hand-wired point-to-point connections instead of traditional PCB circuit boards which enhance its ability to withstand high-temperature conditions that tube amplifiers produce. The chassis system has been built to handle the weight of its transformer system while its front panel features anodized aluminum which comes in silver and black to create an appearance that combines luxury with strength.

The amplifier uses 845 power tubes which are famous in the industry and provides 4 8 and 16 Ohm output terminals that simplify speaker connection with high-end audio equipment. Users can precisely adjust bias settings with the front panel’s knobs and meter which enables them to achieve optimal recording results. The power switch and large transformers are located on top, while the connections are logically arranged with both standard RCA and balanced XLR inputs, suitable for various audio systems.

The CAD-211FE contains an amplifier circuit that features a complex design but maintains an organized structure. The signal path begins at the 6SL7 tube which functions as a Class A preamplifier and continues through the 6CA7 tube which serves as a current source before reaching the 300B driver which sends the signal to the two 845 output tubes. The interstage transformer has a flat frequency response design which guarantees that all signals maintain their original quality until they reach the speakers. The three automatic operating modes Class A and Class A/B and Class B work together to improve efficiency while helping the amplifier produce clear sound at low power situations and maintain sufficient power to handle music with sudden loud sections.

Cary Audio has installed the CAD-211FE with high-grade Mundorf SilverGold capacitors which represent one of its key features. These capacitors use a polypropylene dielectric which they combine with a metal layer that contains 99% silver and 1% gold and this combination achieves exceptional detail reproduction and clarity and durability according to hi-end audio professionals. The new electrolytic capacitors provide long-lasting performance because they maintain their capacity throughout their operational life.

The CAD-211FE conducted its listening test together with a Cary Audio SLP-05 preamp and a Cary Audio DMC-600 CD player and Kaiser Chiara CH3 speakers. The system used Nordost Valhalla 2 cables throughout while the AudioQuest Niagara 5000 filter managed the power supply. The system establishes optimal conditions for the amplifier to demonstrate its complete power and musical performance.

The CAD-211FE establishes its ability to generate an expansive yet emotionally deep soundstage from its initial sound tracks. The piano keys in Debussy’s Clair de Lune produce smooth sound transitions which show underlining musical details and dynamic range to create a concert hall experience for listeners who want to hear actual piano performance. The amplifier in Chris Jones’ No Sanctuary Here demonstrates its capacity through its ability to produce deep bass sounds which maintain the special characteristics of the British singer’s husky voice.

Dave Brubeck’s Take Five brings jazz to life through its active saxophone and its soft but determined drums which build a spatial environment that keeps each instrument distinct while creating musical unity. The CAD-211FE delivers its maximum power through Pink Floyd’s The Wall which produces an overwhelming sound of electric guitar and drums which fills the entire listening space. The system generates strong sound output which remains under control and does not produce any harsh audio effects.

The CAD-211FE maintains the typical Class A tube amplifier sound through its smooth sound profile yet delivers high energy output with precise audio control during peak demands. The CAD-211FE functions as the perfect core component for high-end audio systems because it combines custom point-to-point construction with premium Mundorf SilverGold parts and 150W maximum power output. Music listeners who want to experience high-quality audio production should use this device which provides them with smooth sounds and strong sound performance.

Cary Audio CAD-211FE

List of equivalent replacement bulbs

12AX7/ ECC83/ 7025 6V6 6BM8/ ECL82 5AR4/ GZ34/ GZ37
5751 7591A/ 7868 12DW7/ 7274 5Y3/ 5Z3
EL34/ 6CA7 12AU7/ ECC82/ CV4003 12BH7 5U4
6L6/ 5881/ KT66 12AT7/ ECC81/ CV4024 6SN7 2A3/ 6A3/ 300B
6550/ KT88/ KT90 6DJ8/ 6922/ECC88 6SL7 211/ 242/ 845
EL84/ 6BQ5/ 7189 6CG7/ 6FQ7 7199

The tubes in the same section are equivalent and interchangeable; tubes in sections containing only one type are not currently available as replacements.

Cary Audio CAD-211FE Specifications

Circuit Design Class A, Class A/B, Class B, fully balanced design
Output Power 150W (Class B)

110W (Class A/B)

70W (Class A)

Inputs RCA (Single-Ended), XLR (Balanced)
Input Sensitivity 2V for maximum output
Input Impedance 100k Ohms (RCA unbalanced)

200k Ohms (XLR balanced)

Noise and Hum >80 dB below rated output
Frequency Response 20 Hz – 20 kHz (+ 0,5 dB)
Tube Complement 1 x 6CA7 (Current Source Tube)

1 x 6SL7 (Input Tube)

2 x 300B (Driver Stage Tubes)

2 x 845 (Output Tubes)

Power Transformer 1 x EI Laminate, 200% Duty Cycle
Output Transformer 1 x EI Laminate, Air Gap, 200% Duty Cycle
Resistors 1% Metal Film
Capacitors Mundorf SilverGold
Power Supply Capacitors 4 x 1500µF @ 450VDC
Power Cord 3 chân, tháo rời
Power Supply 117/234 VAC @ 50/60 Hz
Power Consumption 280W (Operating)
76W (Standby)
Warm-up Time 5 minutes
Burn-in Time 100 hours of listening
Finish Jaguar Anthracite black chassis, silver or black aluminum faceplate
Weight 40,8 kg
Dimensions (H x W x D) 25,4 x 31,1 x 61,0 cm