darTZeel NHB-108 model two power amplifier
Specifications
Description: Solid state, dual mono power amplifier. Inputs: 1 pair balanced (XLR), 1 pair single-ended (RCA), 1 pair darTZeel BNC Zeel. Output: 1 pair WBT gold-plated copper binding posts. Nominal output power: 150Wpc into 8 ohms (21.76dBW), 225Wpc into 4 ohms (20.5dBW). Input impedance: Balanced >30k ohms; RCA >30k ohms, 5Hz–100kHz; BNC Zeel 50 ohms, 1Hz–1MHz. Output impedance: <0.33 ohms from 20Hz–20kHz (measured into 8 ohms). Gain: 26dB into 8 ohms. Frequency response: .8Hz– 600kHz, +0/–3dB. Rise time: <0.8µs. Slew rate: >88V/µs, peak-peak. DC output voltage: ±50mV. THD+N: <1% from 7Hz–77kHz within the output dynamic range. Temporal distortion: None, regardless of level and load. Crosstalk: <–90dB for 20Hz–20kHz. S/N ratio: >112dB(A) at nominal power. Power consumption: 50W @ idle, 900W @ maximum power.
Dimensions: 17.32" (440mm) W × 6.7" (170mm) H × 13.78" (350mm) D. Total depth with handles: 16.4" (415mm). Net weight: 66.14lb (30 kg).
Finish: Gold aluminum front, red heatsink fins, glass top.
Serial number of unit reviewed: TZ-UN1082.047B. Designed and built in Switzerland.
Price: $53,000. Approximate number of US dealers: 14. Warranty: 1 year parts and labor.
Manufacturer: darTZeel Audio SA, 2 chemin Louis-Hubert, 1213 Petit-Lancy, Geneva CH-1213, Switzerland. Web: dartzeel.com/en. US distributor: Jonathan Tinn, Blue Light Audio, 4160 SW Greenleaf Dr., Portland, OR 97221. Tel: (503) 868-0500. Web: bluelightaudio.com
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Associated Equipment
Digital sources: dCS Rossini SACD/CD transport, Rossini DAC, and Rossini Clock; Synology 5-bay 1019+ NAS, Roon Nucleus+ music server, Small Green Computer Sonore opticalModules (2) and Deluxe opticalModule, Uptone Audio EtherRegen with AfterDark Giesemann Emperor Double Crown Master Clock, Linksys routers (2), and Arris modem, all powered by HDPlex 300 four-component linear power supplies (3) and HDPlex 200 LPS; Apple 2017 iPad Pro and 2017 Macbook Pro laptop with 2.8GHz Intel i7, SSD, 16GB RAM.
Preamplifiers: Dan D'Agostino Momentum HD, darTZeel NHB-18NS.
Power amplifiers: Dan D'Agostino Progression M550 monoblocks.
Loudspeakers: Wilson Audio Specialties Alexia 2 with Acoustic Diodes.
Cables: Digital: Nordost Odin 1, Odin 2, and Valhalla 2 (USB); Frey 2 (USB adapter); Wireworld Platinum Starlight Cat8 (Ethernet), OM1 62.5/125 multimode duplex fiberoptic cables. Interconnect: Nordost Odin 2. Speaker: Nordost Odin 2. AC: Nordost Odin 2, AudioQuest Dragon and Dragon HC. Umbilical cords for HDPlex LPSs and NAS: Ghent Audio Canare and copper.
Accessories: Grand Prix Monza 8-shelf double rack and amp stands, 1.5" Formula platform, Apex footers; Symposium Ultra Platform; Nordost QB8, QX4 (2), QK1 and QV2 AC power accessories, QKore 1, 3, and 6 with QKore Wires, Titanium and Bronze Sort Kones, Sort Lifts; AudioQuest Niagara 7000 and Niagara 5000 power conditioners, NRG Edison outlets, JitterBugs; Tweek Geek Dark Matter Stealth power conditioner with High Fidelity and Furutech options; Wilson Audio Pedestals; A/V RoomService EVP Equipment Vibration Protectors; Resolution Acoustics, Stillpoints Clouds, and Aperture 1 and 2 acoustic treatments; HRS DPX-14545 Damping Plates; Stein Music Blue Suns, Blue Diamonds, and Quantum Organizer; Bybee Room Neutralizers; Absolare.
Room: 20' L × 16' W × 9' H.—Jason Victor Serinus