Linear Tube Audio microZOTL MZ3 Röhrenverstärker

Zum Verkauf steht aus erster Hand ein MZ3 Röhrenvorverstärker von Linear Tube Audio samt dazugehörigem linearen Netzteil LPS+ Linear Power Supply. Verkaufsgrund: Auflösung meiner aktuellen Anlage

Optisch sowie technisch in einwandfreiem Zustand, Originalverpackung und Zubehör alles vorhanden.

Es handelt sich um ein Original-Modell von 2020 (also ohne neueste Lautstärkeregelung und mit silbernem Apple TV Remote).

Auf Wunsch von mir wurden vom Hersteller zwei 12AU7 Röhren statt 12AT7 in der Eingangsstufe eingesetzt.

Bezahlung in Bargeld bei Abholung oder bei Postversand vorzugsweise per PayPal.

https://www.lineartubeaudio.com/products/microzotl-mz3

Inputs: 3 Stereo single ended RCA high quality connectors using sealed, silver contact relay control for a short signal path

Outputs: Headphone ¼” Phone jack, Dual preamp RCA outputs single ended, Stereo speaker binding posts

Amplifier class: Push-pull Class A, no feedback

Sensitivity: 0.6V RMS [full output]

Output impedance: (measured @ 0.5A, 60 Hz) 2 ohms for headphone and speaker outputs, 50 ohms for preamplifier outputs

Input impedance: 50k

Volume Control: Stepped attenuator constructed of 1025 steps of 50 ohms, with 100 positions selected to provide very fine resolution at the lowest volumes and a logarithmic control for higher volumes . Low noise, precision 1% Vishay Dale resistors and hermetically sealed silver contact relays are used for precise, isolated analog signal attenuation

Balance Control: 100% channel isolation using stored differences of volume values. Maximum balance differential is 16 steps

Power Supply: Linear supply user-switchable between 110/120 and 220/240 (100V linear supply available for Japan). Uses dual banks of organic poly ultra low ESR capacitors (4 times MZ2) for over 100KuF of output choke isolated storage. Oversize transformer secured with aluminum and brass mountings (no steel). Regulation is performed using low noise Belleson super regulators. Current transformer controls output protection circuit

Power Supply Output: 12VDC 3 amp

Power Supply Umbilical Cable: premium low noise shielded cable with silver contact, spring loaded premium XLR connectors

Hum and noise: minimum 60mV RMS or 90dB below full output (20Hz-20kHz)

Power consumption from ac power source: approx. 50W

Power output: with 4-ohm load: 1W, 1% THD, with 14-ohm load: 0.5W, 1% THD

Channel separation: (4-ohm loads) 46dB, 100Hz-10kHz, (14-ohm loads): 54 dB, 100Hz-10kHz

Frequency response full power: (4-ohm load) +0, -1dB 10Hz-20kHz, (14-ohm load): +0, -1dB 5Hz-50kHz,

Voltage gain: (4-ohm load): 10.3dB, (14-ohm load): 12.4dB

Front Panel Control: Functions include volume, input select, headphone/speaker output select, and amplifier power on-off.

Remote Control: All functions, including Mute and the configuration menu, are available from the remote, except power on-off and headphone/speaker output selection. Uses an Apple TV remote. The remote is registered to unit to limit control from unintended remotes. The Right-Left buttons can be configured as balance controls.

Auto-save Features: Volume level per input is automatically saved and the unit powers on using the stored volume levels. Balance and all other configuration menu selections are all saved as a global level across all inputs.

Display Controls: 16 levels of brightness and on-off selectable 7 second timeout

Home Theater Mode: an input can be selected from configuration menu to set one of the inputs to a high volume level fixed input to allow surround sound device control the volume level

Size:

Amplifier: 10” wide, 4.75” tall, 8.5” deep

Linear power supply: 8" wide, 7.5" deep (with connectors), 3.85" tall

Net weight: Amplifier Unit 6 lbs. 15 oz. (3.15 kg.) Power Supply 5 lbs. 3 oz. (2.45 kg.) Shipping weight: 17 lbs. (7.7 kg.)

Tube complement: 2 premium hand selected 12AT7 input tubes, and two premium hand selected 12SN7 output tubes.