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I am selling my collection of headphone amps.
THIS ONE IS MODIFIED WITH A TUBE PROTECTOR ON THE TOP
This amp costs aud$490 landed from Massdrop so this is a bargain esp as it has a built in DAC that can be used just as a DAC (it has a pre amplifier analogue out 3.5mm jack on the back which is the output for the DAC ). This Grace Design DAC is highly reviewed and costs AUD$120 (incl delivery) from Massdrop.
When Cavalli Audio was selling this amplifier it cost close to USD$1000 without a DAC.
Please contact for postage costs / courier options
From Massdrop:
The Massdrop CTH + SDAC DAC/amp brings two of the communitys favorite designers together in one affordable, easy-to-use package. It features the Massdrop x Alex Cavalli Tube Hybrid Amp (or CTH), built from the ground up by the founder of Cavalli Audioa legend in the world of headphone amps. For the DAC section, it uses the Massdrop x Grace Design Standard DAC (or SDAC), a collaboration with a company long known for its incredibly accurate, transparent studio gear. The result is an all-in-one unit that measures objectively well and works with a variety of driver types and impedances, including all previous Massdrop over-ear headphones.
DAC SectionMassdrop x Grace DesignDAC chip: AKM AK4452Audio formats: Up to 24 bit/96 kHzFrequency response, 20Hz20 kHz: +/-0.02 dBTHD+N at 20 Hz -0.15 dBFS: 0.0013%THD+N at 100 Hz, -0.15 dBFS: 0.0013%THD+N at 10 kHz, -0.15 dBFS: 0.0024%IMD CCIF, -6.03 dBFS, 19/20kHz, 24/96k: 0.0005%IMD SMPTE -6 dBFS, 24/96k: 0.0015%Noise, A-weighted: -105 dBuDynamic range, A-weighted: >114 dBLinearity, -90 dBFS: -0.07 dBCrosstalk at 1 kHz, -10 dBFS (3.5mm jack): -102 dBSum of jitter components at 11,025 Hz, -1 dBFS: -133 dBMaximum output: 2.15VRMSUSB controller: XMOS XU208-128-TQ64Input: USB microOutput: 3.5mm TRSPower: USB Class 1 (no drivers required for Windows, Mac, or Linux)Amp SectionMassdrop x Alex CavalliFrequency response: 20 Hz20 kHz, -0.2 dBMaximum power, 50 ohms: 1W Rms per channelOutput impedance: < 0.5 ohm at 1 kHzTHD: < 0.008%, 20 Hz20 kHz 1 VrmsTHD: 0.0014% at 1 kHz, 1 Vrms with 50R loadIMD: 0.002% CCIF 1 VrmsSNR: -97 dB, 20 Hz20 kHz (1 Vrms into 45 ohms)Crosstalk: -85 dv at 1 kHzTopology: Capacitor-coupled tube hybrid using 6922 tube, single-endedGain: 8x (12 dB)Input: RCAOutput: 4-pin XLR, in (6.3 mm) TRS headphone jacksProtection: Delayed start with muting relay and DC offset detectionPower supply: Wall wart with 28V DC 1.25APower consumption: Maximum 35W (28V, 1.25A), ~9W idlePhysicalChassis material: Anodized aluminumDimensions: 8.3 x 9.1 x 2.2 in (21 x 23 x 5.7 cm)6922 dual-triode vacuum tubePower supplyCloth storage bag
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Category: Electronics:Home Audio Stereos, Components:Amplifiers and Preamps
Location: Sydney, NSW