379_21926_2
Topthema: Die ewige Legende
Harwood Acoustics LS3/5A
Es gibt Lautsprecher und dann gibt es noch die LS3/5A. Sie spaltet sowohl ihre Hörer, als auch die, die sie gar nicht kennen. Warum das so ist? Nun, dafür muss man sich vor allem anschauen und natürlich hören, was sie kann und nicht, was sie nicht kann.
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394_22246_2
Topthema: Revox STUDIOMASTER M500
Das einzigartige Audio System
Mit der einfachsten Bedienung - weltweit. Patentiert von Revox.
HiFi Test 02/2023 urteilt: REFERENZKLASSE 1+
Kategorie: Profi- / Musiker-Equipment
Ausstattungsliste: Manley ABSOLUTE
Ausstattung & technische Daten
| Specification | |
| Type | HEADPHONE AMPLIFIER |
| Amplifier Topology | Triode Vacuum Tube Output Stage, Switchable Topology Single-Ended or Push-Pull |
| Vacuum Tubes | 2 x 12AX7 (ECC83), 4 x 6AQ5A (EL90) |
| Inputs | 2 x RCA (Input 1 & Preamp Output = Pass-Thru when amplifier is in Standby or Off) |
| Input Impedance | 50 kOhms (Pass-Thru= 300 kOhms) |
| Maximum Input Level | 7.7 VAC RMS (+20 dBu) |
| (Conditions: XLR output, PP mode, 16 Ohm load, VOLUME max, EQ out, 1kHz sine wave) | |
| Gain | Load 16 Ohm: 12 dB (Min FB), 3 dB (Max FB) |
| Load 62 Ohm: 17 dB (Min FB), 8 dB (Max FB) | |
| Load 200 Ohm: 22 dB (Min FB), 13 dB (Max FB) | |
| (Conditions: XLR output, PP mode, VOLUME Max, EQ out, 1kHz sine wave) | |
| Input Sensitivity | 600 mV AC RMS for an output of 100 mW |
| 1.9 VAC RMS for an output of 1W | |
| (Conditions: XLR output, PP mode, FB 12:00 o’clock, 16 Ohm load, 1kHz sine wave, VOLUME max, EQ out) | |
| Volume Control | Precision Stepped Relay Attenuator 0.5dB per step |
| 63dB total attenuation – Volume setting to minimum = MUTE | |
| Outputs (transformer coupled) | 1 pair RCA- Unbalanced (Preamp Output) |
| 1 x TRS ¼” JACK – Unbalanced | |
| 1 x 4 PIN XLR- Balanced | |
| XLR-pin outs | (Left Channel Pin 1= Signal (+), Pin 2= Signal (-), Right Channel Pin 3= Signal (+), Pin 4= Signal (-)) |
| Output Impedance | Switchable: Low 12-50 Ohm, Mid 50-200 Ohm, High 200-600 Ohms |
| Maximum Output Power | 1W into 12 Ohms BW 22Hz-22kHz |
| Variable Feedback Control (FB) | MIN 0dB |
| MAX 10dB | |
| (Conditions: BAL output, PP mode, 16 Ohm load, VOLUME max, EQ out) | |
| Signal to Noise Ratio | 83 dB (1kHz sine wave, 100mW output, BW 22Hz-22kHz) |
| (Conditions: BAL output, PP mode, FB 12:00 o’clock, 16 Ohm load, VOLUME max, EQ out) | |
| Noise Floor | -80 dBu BW 22Hz-22kHz |
| -85 dBu A-Weighted | |
| (Conditions: BAL output, PP mode, FB 12:00 o’clock, 16 Ohm load, VOLUME MAX, EQ out) | |
| Channel Crosstalk | -71 dB (1kHz sine wave, 100mW output, BW 22Hz-22kHz) Left Channel |
| -72 dB (1kHz sine wave, 100mW output, BW 22Hz-22kHz) Right Channel | |
| (Conditions: BAL output, PP mode, FB 12:00 o’clock, 16 Ohm load, EQ out) | |
| Balance Control Channel attenuation | Left Channel= 72dB (1kHz sine wave, 100mW output, BW 22Hz-22kHz) |
| Right Channel= 72dB (1kHz tone, 100mW output, BW 22Hz-22kHz) | |
| (Conditions: BAL output, PP mode, FB Min, 16 Ohm load, EQ out) | |
| Frequency Response | Push-Pull= Flat 10Hz – 20 kHz (-1dB @ 40 kHz) |
| Single-Ended= 20Hz – 20 kHz (-0.5dB @ 10Hz, -1dB @ 50 kHz) | |
| (Conditions: BAL output, 100mW output, FB @ 12:00 o’clock, 16 Ohm load, EQ out) | |
| Distortion | Push-Pull= 0.16% THD+N (BW 20Hz-22kHz) |
| Single-Ended= 1.0% THD+N (BW 20Hz-22kHz) | |
| (Conditions: BAL output, PP mode, 1 kHz sine, 100mW output, FB @ 12:00 o’clock, 16 Ohm load, EQ out) | |
| Unit Dimensions | 11.5 x 5.5 x 8.2” (LxWxH) |
| Unit Weight | 12 lbs |
